1 /*
2  * Copyright 2014 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  */
23 
24 #include <drm/drm_edid.h>
25 #include <drm/drm_fourcc.h>
26 #include <drm/drm_modeset_helper.h>
27 #include <drm/drm_modeset_helper_vtables.h>
28 #include <drm/drm_vblank.h>
29 
30 #include "amdgpu.h"
31 #include "amdgpu_pm.h"
32 #include "amdgpu_i2c.h"
33 #include "vid.h"
34 #include "atom.h"
35 #include "amdgpu_atombios.h"
36 #include "atombios_crtc.h"
37 #include "atombios_encoders.h"
38 #include "amdgpu_pll.h"
39 #include "amdgpu_connectors.h"
40 #include "amdgpu_display.h"
41 #include "dce_v11_0.h"
42 
43 #include "dce/dce_11_0_d.h"
44 #include "dce/dce_11_0_sh_mask.h"
45 #include "dce/dce_11_0_enum.h"
46 #include "oss/oss_3_0_d.h"
47 #include "oss/oss_3_0_sh_mask.h"
48 #include "gmc/gmc_8_1_d.h"
49 #include "gmc/gmc_8_1_sh_mask.h"
50 
51 #include "ivsrcid/ivsrcid_vislands30.h"
52 
53 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev);
54 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev);
55 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev, int hpd);
56 
57 static const u32 crtc_offsets[] =
58 {
59 	CRTC0_REGISTER_OFFSET,
60 	CRTC1_REGISTER_OFFSET,
61 	CRTC2_REGISTER_OFFSET,
62 	CRTC3_REGISTER_OFFSET,
63 	CRTC4_REGISTER_OFFSET,
64 	CRTC5_REGISTER_OFFSET,
65 	CRTC6_REGISTER_OFFSET
66 };
67 
68 static const u32 hpd_offsets[] =
69 {
70 	HPD0_REGISTER_OFFSET,
71 	HPD1_REGISTER_OFFSET,
72 	HPD2_REGISTER_OFFSET,
73 	HPD3_REGISTER_OFFSET,
74 	HPD4_REGISTER_OFFSET,
75 	HPD5_REGISTER_OFFSET
76 };
77 
78 static const uint32_t dig_offsets[] = {
79 	DIG0_REGISTER_OFFSET,
80 	DIG1_REGISTER_OFFSET,
81 	DIG2_REGISTER_OFFSET,
82 	DIG3_REGISTER_OFFSET,
83 	DIG4_REGISTER_OFFSET,
84 	DIG5_REGISTER_OFFSET,
85 	DIG6_REGISTER_OFFSET,
86 	DIG7_REGISTER_OFFSET,
87 	DIG8_REGISTER_OFFSET
88 };
89 
90 static const struct {
91 	uint32_t        reg;
92 	uint32_t        vblank;
93 	uint32_t        vline;
94 	uint32_t        hpd;
95 
96 } interrupt_status_offsets[] = { {
97 	.reg = mmDISP_INTERRUPT_STATUS,
98 	.vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
99 	.vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
100 	.hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
101 }, {
102 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
103 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
104 	.vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
105 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
106 }, {
107 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
108 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
109 	.vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
110 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
111 }, {
112 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
113 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
114 	.vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
115 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
116 }, {
117 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
118 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
119 	.vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
120 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
121 }, {
122 	.reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
123 	.vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
124 	.vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
125 	.hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
126 } };
127 
128 static const u32 cz_golden_settings_a11[] =
129 {
130 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
131 	mmFBC_MISC, 0x1f311fff, 0x14300000,
132 };
133 
134 static const u32 cz_mgcg_cgcg_init[] =
135 {
136 	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
137 	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
138 };
139 
140 static const u32 stoney_golden_settings_a11[] =
141 {
142 	mmCRTC_DOUBLE_BUFFER_CONTROL, 0x00010101, 0x00010000,
143 	mmFBC_MISC, 0x1f311fff, 0x14302000,
144 };
145 
146 static const u32 polaris11_golden_settings_a11[] =
147 {
148 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
149 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
150 	mmFBC_DEBUG1, 0xffffffff, 0x00000008,
151 	mmFBC_MISC, 0x9f313fff, 0x14302008,
152 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
153 };
154 
155 static const u32 polaris10_golden_settings_a11[] =
156 {
157 	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
158 	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
159 	mmFBC_MISC, 0x9f313fff, 0x14302008,
160 	mmHDMI_CONTROL, 0x313f031f, 0x00000011,
161 };
162 
dce_v11_0_init_golden_registers(struct amdgpu_device * adev)163 static void dce_v11_0_init_golden_registers(struct amdgpu_device *adev)
164 {
165 	switch (adev->asic_type) {
166 	case CHIP_CARRIZO:
167 		amdgpu_device_program_register_sequence(adev,
168 							cz_mgcg_cgcg_init,
169 							ARRAY_SIZE(cz_mgcg_cgcg_init));
170 		amdgpu_device_program_register_sequence(adev,
171 							cz_golden_settings_a11,
172 							ARRAY_SIZE(cz_golden_settings_a11));
173 		break;
174 	case CHIP_STONEY:
175 		amdgpu_device_program_register_sequence(adev,
176 							stoney_golden_settings_a11,
177 							ARRAY_SIZE(stoney_golden_settings_a11));
178 		break;
179 	case CHIP_POLARIS11:
180 	case CHIP_POLARIS12:
181 		amdgpu_device_program_register_sequence(adev,
182 							polaris11_golden_settings_a11,
183 							ARRAY_SIZE(polaris11_golden_settings_a11));
184 		break;
185 	case CHIP_POLARIS10:
186 	case CHIP_VEGAM:
187 		amdgpu_device_program_register_sequence(adev,
188 							polaris10_golden_settings_a11,
189 							ARRAY_SIZE(polaris10_golden_settings_a11));
190 		break;
191 	default:
192 		break;
193 	}
194 }
195 
dce_v11_0_audio_endpt_rreg(struct amdgpu_device * adev,u32 block_offset,u32 reg)196 static u32 dce_v11_0_audio_endpt_rreg(struct amdgpu_device *adev,
197 				     u32 block_offset, u32 reg)
198 {
199 	unsigned long flags;
200 	u32 r;
201 
202 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
203 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
204 	r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
205 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
206 
207 	return r;
208 }
209 
dce_v11_0_audio_endpt_wreg(struct amdgpu_device * adev,u32 block_offset,u32 reg,u32 v)210 static void dce_v11_0_audio_endpt_wreg(struct amdgpu_device *adev,
211 				      u32 block_offset, u32 reg, u32 v)
212 {
213 	unsigned long flags;
214 
215 	spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
216 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
217 	WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
218 	spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
219 }
220 
dce_v11_0_vblank_get_counter(struct amdgpu_device * adev,int crtc)221 static u32 dce_v11_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
222 {
223 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc)
224 		return 0;
225 	else
226 		return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
227 }
228 
dce_v11_0_pageflip_interrupt_init(struct amdgpu_device * adev)229 static void dce_v11_0_pageflip_interrupt_init(struct amdgpu_device *adev)
230 {
231 	unsigned i;
232 
233 	/* Enable pflip interrupts */
234 	for (i = 0; i < adev->mode_info.num_crtc; i++)
235 		amdgpu_irq_get(adev, &adev->pageflip_irq, i);
236 }
237 
dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device * adev)238 static void dce_v11_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
239 {
240 	unsigned i;
241 
242 	/* Disable pflip interrupts */
243 	for (i = 0; i < adev->mode_info.num_crtc; i++)
244 		amdgpu_irq_put(adev, &adev->pageflip_irq, i);
245 }
246 
247 /**
248  * dce_v11_0_page_flip - pageflip callback.
249  *
250  * @adev: amdgpu_device pointer
251  * @crtc_id: crtc to cleanup pageflip on
252  * @crtc_base: new address of the crtc (GPU MC address)
253  * @async: asynchronous flip
254  *
255  * Triggers the actual pageflip by updating the primary
256  * surface base address.
257  */
dce_v11_0_page_flip(struct amdgpu_device * adev,int crtc_id,u64 crtc_base,bool async)258 static void dce_v11_0_page_flip(struct amdgpu_device *adev,
259 				int crtc_id, u64 crtc_base, bool async)
260 {
261 	struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
262 	struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
263 	u32 tmp;
264 
265 	/* flip immediate for async, default is vsync */
266 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
267 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
268 			    GRPH_SURFACE_UPDATE_IMMEDIATE_EN, async ? 1 : 0);
269 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
270 	/* update pitch */
271 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
272 	       fb->pitches[0] / fb->format->cpp[0]);
273 	/* update the scanout addresses */
274 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
275 	       upper_32_bits(crtc_base));
276 	/* writing to the low address triggers the update */
277 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
278 	       lower_32_bits(crtc_base));
279 	/* post the write */
280 	RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
281 }
282 
dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device * adev,int crtc,u32 * vbl,u32 * position)283 static int dce_v11_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
284 					u32 *vbl, u32 *position)
285 {
286 	if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
287 		return -EINVAL;
288 
289 	*vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
290 	*position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
291 
292 	return 0;
293 }
294 
295 /**
296  * dce_v11_0_hpd_sense - hpd sense callback.
297  *
298  * @adev: amdgpu_device pointer
299  * @hpd: hpd (hotplug detect) pin
300  *
301  * Checks if a digital monitor is connected (evergreen+).
302  * Returns true if connected, false if not connected.
303  */
dce_v11_0_hpd_sense(struct amdgpu_device * adev,enum amdgpu_hpd_id hpd)304 static bool dce_v11_0_hpd_sense(struct amdgpu_device *adev,
305 			       enum amdgpu_hpd_id hpd)
306 {
307 	bool connected = false;
308 
309 	if (hpd >= adev->mode_info.num_hpd)
310 		return connected;
311 
312 	if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) &
313 	    DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK)
314 		connected = true;
315 
316 	return connected;
317 }
318 
319 /**
320  * dce_v11_0_hpd_set_polarity - hpd set polarity callback.
321  *
322  * @adev: amdgpu_device pointer
323  * @hpd: hpd (hotplug detect) pin
324  *
325  * Set the polarity of the hpd pin (evergreen+).
326  */
dce_v11_0_hpd_set_polarity(struct amdgpu_device * adev,enum amdgpu_hpd_id hpd)327 static void dce_v11_0_hpd_set_polarity(struct amdgpu_device *adev,
328 				      enum amdgpu_hpd_id hpd)
329 {
330 	u32 tmp;
331 	bool connected = dce_v11_0_hpd_sense(adev, hpd);
332 
333 	if (hpd >= adev->mode_info.num_hpd)
334 		return;
335 
336 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
337 	if (connected)
338 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0);
339 	else
340 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1);
341 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
342 }
343 
344 /**
345  * dce_v11_0_hpd_init - hpd setup callback.
346  *
347  * @adev: amdgpu_device pointer
348  *
349  * Setup the hpd pins used by the card (evergreen+).
350  * Enable the pin, set the polarity, and enable the hpd interrupts.
351  */
dce_v11_0_hpd_init(struct amdgpu_device * adev)352 static void dce_v11_0_hpd_init(struct amdgpu_device *adev)
353 {
354 	struct drm_device *dev = adev_to_drm(adev);
355 	struct drm_connector *connector;
356 	struct drm_connector_list_iter iter;
357 	u32 tmp;
358 
359 	drm_connector_list_iter_begin(dev, &iter);
360 	drm_for_each_connector_iter(connector, &iter) {
361 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
362 
363 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
364 			continue;
365 
366 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
367 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
368 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
369 			 * aux dp channel on imac and help (but not completely fix)
370 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
371 			 * also avoid interrupt storms during dpms.
372 			 */
373 			tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
374 			tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
375 			WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
376 			continue;
377 		}
378 
379 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
380 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1);
381 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
382 
383 		tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]);
384 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
385 				    DC_HPD_CONNECT_INT_DELAY,
386 				    AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS);
387 		tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL,
388 				    DC_HPD_DISCONNECT_INT_DELAY,
389 				    AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS);
390 		WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
391 
392 		dce_v11_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
393 		dce_v11_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
394 		amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
395 	}
396 	drm_connector_list_iter_end(&iter);
397 }
398 
399 /**
400  * dce_v11_0_hpd_fini - hpd tear down callback.
401  *
402  * @adev: amdgpu_device pointer
403  *
404  * Tear down the hpd pins used by the card (evergreen+).
405  * Disable the hpd interrupts.
406  */
dce_v11_0_hpd_fini(struct amdgpu_device * adev)407 static void dce_v11_0_hpd_fini(struct amdgpu_device *adev)
408 {
409 	struct drm_device *dev = adev_to_drm(adev);
410 	struct drm_connector *connector;
411 	struct drm_connector_list_iter iter;
412 	u32 tmp;
413 
414 	drm_connector_list_iter_begin(dev, &iter);
415 	drm_for_each_connector_iter(connector, &iter) {
416 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
417 
418 		if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
419 			continue;
420 
421 		tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
422 		tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0);
423 		WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
424 
425 		amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
426 	}
427 	drm_connector_list_iter_end(&iter);
428 }
429 
dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device * adev)430 static u32 dce_v11_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
431 {
432 	return mmDC_GPIO_HPD_A;
433 }
434 
dce_v11_0_is_display_hung(struct amdgpu_device * adev)435 static bool dce_v11_0_is_display_hung(struct amdgpu_device *adev)
436 {
437 	u32 crtc_hung = 0;
438 	u32 crtc_status[6];
439 	u32 i, j, tmp;
440 
441 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
442 		tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
443 		if (REG_GET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN)) {
444 			crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
445 			crtc_hung |= (1 << i);
446 		}
447 	}
448 
449 	for (j = 0; j < 10; j++) {
450 		for (i = 0; i < adev->mode_info.num_crtc; i++) {
451 			if (crtc_hung & (1 << i)) {
452 				tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
453 				if (tmp != crtc_status[i])
454 					crtc_hung &= ~(1 << i);
455 			}
456 		}
457 		if (crtc_hung == 0)
458 			return false;
459 		udelay(100);
460 	}
461 
462 	return true;
463 }
464 
dce_v11_0_set_vga_render_state(struct amdgpu_device * adev,bool render)465 static void dce_v11_0_set_vga_render_state(struct amdgpu_device *adev,
466 					   bool render)
467 {
468 	u32 tmp;
469 
470 	/* Lockout access through VGA aperture*/
471 	tmp = RREG32(mmVGA_HDP_CONTROL);
472 	if (render)
473 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
474 	else
475 		tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
476 	WREG32(mmVGA_HDP_CONTROL, tmp);
477 
478 	/* disable VGA render */
479 	tmp = RREG32(mmVGA_RENDER_CONTROL);
480 	if (render)
481 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
482 	else
483 		tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
484 	WREG32(mmVGA_RENDER_CONTROL, tmp);
485 }
486 
dce_v11_0_get_num_crtc(struct amdgpu_device * adev)487 static int dce_v11_0_get_num_crtc (struct amdgpu_device *adev)
488 {
489 	int num_crtc = 0;
490 
491 	switch (adev->asic_type) {
492 	case CHIP_CARRIZO:
493 		num_crtc = 3;
494 		break;
495 	case CHIP_STONEY:
496 		num_crtc = 2;
497 		break;
498 	case CHIP_POLARIS10:
499 	case CHIP_VEGAM:
500 		num_crtc = 6;
501 		break;
502 	case CHIP_POLARIS11:
503 	case CHIP_POLARIS12:
504 		num_crtc = 5;
505 		break;
506 	default:
507 		num_crtc = 0;
508 	}
509 	return num_crtc;
510 }
511 
dce_v11_0_disable_dce(struct amdgpu_device * adev)512 void dce_v11_0_disable_dce(struct amdgpu_device *adev)
513 {
514 	/*Disable VGA render and enabled crtc, if has DCE engine*/
515 	if (amdgpu_atombios_has_dce_engine_info(adev)) {
516 		u32 tmp;
517 		int crtc_enabled, i;
518 
519 		dce_v11_0_set_vga_render_state(adev, false);
520 
521 		/*Disable crtc*/
522 		for (i = 0; i < dce_v11_0_get_num_crtc(adev); i++) {
523 			crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
524 									 CRTC_CONTROL, CRTC_MASTER_EN);
525 			if (crtc_enabled) {
526 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
527 				tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
528 				tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
529 				WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
530 				WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
531 			}
532 		}
533 	}
534 }
535 
dce_v11_0_program_fmt(struct drm_encoder * encoder)536 static void dce_v11_0_program_fmt(struct drm_encoder *encoder)
537 {
538 	struct drm_device *dev = encoder->dev;
539 	struct amdgpu_device *adev = drm_to_adev(dev);
540 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
541 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
542 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
543 	int bpc = 0;
544 	u32 tmp = 0;
545 	enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
546 
547 	if (connector) {
548 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
549 		bpc = amdgpu_connector_get_monitor_bpc(connector);
550 		dither = amdgpu_connector->dither;
551 	}
552 
553 	/* LVDS/eDP FMT is set up by atom */
554 	if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
555 		return;
556 
557 	/* not needed for analog */
558 	if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
559 	    (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
560 		return;
561 
562 	if (bpc == 0)
563 		return;
564 
565 	switch (bpc) {
566 	case 6:
567 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
568 			/* XXX sort out optimal dither settings */
569 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
570 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
571 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
572 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 0);
573 		} else {
574 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
575 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 0);
576 		}
577 		break;
578 	case 8:
579 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
580 			/* XXX sort out optimal dither settings */
581 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
582 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
583 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
584 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
585 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 1);
586 		} else {
587 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
588 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 1);
589 		}
590 		break;
591 	case 10:
592 		if (dither == AMDGPU_FMT_DITHER_ENABLE) {
593 			/* XXX sort out optimal dither settings */
594 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_FRAME_RANDOM_ENABLE, 1);
595 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_HIGHPASS_RANDOM_ENABLE, 1);
596 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_RGB_RANDOM_ENABLE, 1);
597 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_EN, 1);
598 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_SPATIAL_DITHER_DEPTH, 2);
599 		} else {
600 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_EN, 1);
601 			tmp = REG_SET_FIELD(tmp, FMT_BIT_DEPTH_CONTROL, FMT_TRUNCATE_DEPTH, 2);
602 		}
603 		break;
604 	default:
605 		/* not needed */
606 		break;
607 	}
608 
609 	WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
610 }
611 
612 
613 /* display watermark setup */
614 /**
615  * dce_v11_0_line_buffer_adjust - Set up the line buffer
616  *
617  * @adev: amdgpu_device pointer
618  * @amdgpu_crtc: the selected display controller
619  * @mode: the current display mode on the selected display
620  * controller
621  *
622  * Setup up the line buffer allocation for
623  * the selected display controller (CIK).
624  * Returns the line buffer size in pixels.
625  */
dce_v11_0_line_buffer_adjust(struct amdgpu_device * adev,struct amdgpu_crtc * amdgpu_crtc,struct drm_display_mode * mode)626 static u32 dce_v11_0_line_buffer_adjust(struct amdgpu_device *adev,
627 				       struct amdgpu_crtc *amdgpu_crtc,
628 				       struct drm_display_mode *mode)
629 {
630 	u32 tmp, buffer_alloc, i, mem_cfg;
631 	u32 pipe_offset = amdgpu_crtc->crtc_id;
632 	/*
633 	 * Line Buffer Setup
634 	 * There are 6 line buffers, one for each display controllers.
635 	 * There are 3 partitions per LB. Select the number of partitions
636 	 * to enable based on the display width.  For display widths larger
637 	 * than 4096, you need use to use 2 display controllers and combine
638 	 * them using the stereo blender.
639 	 */
640 	if (amdgpu_crtc->base.enabled && mode) {
641 		if (mode->crtc_hdisplay < 1920) {
642 			mem_cfg = 1;
643 			buffer_alloc = 2;
644 		} else if (mode->crtc_hdisplay < 2560) {
645 			mem_cfg = 2;
646 			buffer_alloc = 2;
647 		} else if (mode->crtc_hdisplay < 4096) {
648 			mem_cfg = 0;
649 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
650 		} else {
651 			DRM_DEBUG_KMS("Mode too big for LB!\n");
652 			mem_cfg = 0;
653 			buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
654 		}
655 	} else {
656 		mem_cfg = 1;
657 		buffer_alloc = 0;
658 	}
659 
660 	tmp = RREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset);
661 	tmp = REG_SET_FIELD(tmp, LB_MEMORY_CTRL, LB_MEMORY_CONFIG, mem_cfg);
662 	WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset, tmp);
663 
664 	tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
665 	tmp = REG_SET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATED, buffer_alloc);
666 	WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset, tmp);
667 
668 	for (i = 0; i < adev->usec_timeout; i++) {
669 		tmp = RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset);
670 		if (REG_GET_FIELD(tmp, PIPE0_DMIF_BUFFER_CONTROL, DMIF_BUFFERS_ALLOCATION_COMPLETED))
671 			break;
672 		udelay(1);
673 	}
674 
675 	if (amdgpu_crtc->base.enabled && mode) {
676 		switch (mem_cfg) {
677 		case 0:
678 		default:
679 			return 4096 * 2;
680 		case 1:
681 			return 1920 * 2;
682 		case 2:
683 			return 2560 * 2;
684 		}
685 	}
686 
687 	/* controller not enabled, so no lb used */
688 	return 0;
689 }
690 
691 /**
692  * cik_get_number_of_dram_channels - get the number of dram channels
693  *
694  * @adev: amdgpu_device pointer
695  *
696  * Look up the number of video ram channels (CIK).
697  * Used for display watermark bandwidth calculations
698  * Returns the number of dram channels
699  */
cik_get_number_of_dram_channels(struct amdgpu_device * adev)700 static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
701 {
702 	u32 tmp = RREG32(mmMC_SHARED_CHMAP);
703 
704 	switch (REG_GET_FIELD(tmp, MC_SHARED_CHMAP, NOOFCHAN)) {
705 	case 0:
706 	default:
707 		return 1;
708 	case 1:
709 		return 2;
710 	case 2:
711 		return 4;
712 	case 3:
713 		return 8;
714 	case 4:
715 		return 3;
716 	case 5:
717 		return 6;
718 	case 6:
719 		return 10;
720 	case 7:
721 		return 12;
722 	case 8:
723 		return 16;
724 	}
725 }
726 
727 struct dce10_wm_params {
728 	u32 dram_channels; /* number of dram channels */
729 	u32 yclk;          /* bandwidth per dram data pin in kHz */
730 	u32 sclk;          /* engine clock in kHz */
731 	u32 disp_clk;      /* display clock in kHz */
732 	u32 src_width;     /* viewport width */
733 	u32 active_time;   /* active display time in ns */
734 	u32 blank_time;    /* blank time in ns */
735 	bool interlaced;    /* mode is interlaced */
736 	fixed20_12 vsc;    /* vertical scale ratio */
737 	u32 num_heads;     /* number of active crtcs */
738 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
739 	u32 lb_size;       /* line buffer allocated to pipe */
740 	u32 vtaps;         /* vertical scaler taps */
741 };
742 
743 /**
744  * dce_v11_0_dram_bandwidth - get the dram bandwidth
745  *
746  * @wm: watermark calculation data
747  *
748  * Calculate the raw dram bandwidth (CIK).
749  * Used for display watermark bandwidth calculations
750  * Returns the dram bandwidth in MBytes/s
751  */
dce_v11_0_dram_bandwidth(struct dce10_wm_params * wm)752 static u32 dce_v11_0_dram_bandwidth(struct dce10_wm_params *wm)
753 {
754 	/* Calculate raw DRAM Bandwidth */
755 	fixed20_12 dram_efficiency; /* 0.7 */
756 	fixed20_12 yclk, dram_channels, bandwidth;
757 	fixed20_12 a;
758 
759 	a.full = dfixed_const(1000);
760 	yclk.full = dfixed_const(wm->yclk);
761 	yclk.full = dfixed_div(yclk, a);
762 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
763 	a.full = dfixed_const(10);
764 	dram_efficiency.full = dfixed_const(7);
765 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
766 	bandwidth.full = dfixed_mul(dram_channels, yclk);
767 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
768 
769 	return dfixed_trunc(bandwidth);
770 }
771 
772 /**
773  * dce_v11_0_dram_bandwidth_for_display - get the dram bandwidth for display
774  *
775  * @wm: watermark calculation data
776  *
777  * Calculate the dram bandwidth used for display (CIK).
778  * Used for display watermark bandwidth calculations
779  * Returns the dram bandwidth for display in MBytes/s
780  */
dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params * wm)781 static u32 dce_v11_0_dram_bandwidth_for_display(struct dce10_wm_params *wm)
782 {
783 	/* Calculate DRAM Bandwidth and the part allocated to display. */
784 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
785 	fixed20_12 yclk, dram_channels, bandwidth;
786 	fixed20_12 a;
787 
788 	a.full = dfixed_const(1000);
789 	yclk.full = dfixed_const(wm->yclk);
790 	yclk.full = dfixed_div(yclk, a);
791 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
792 	a.full = dfixed_const(10);
793 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
794 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
795 	bandwidth.full = dfixed_mul(dram_channels, yclk);
796 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
797 
798 	return dfixed_trunc(bandwidth);
799 }
800 
801 /**
802  * dce_v11_0_data_return_bandwidth - get the data return bandwidth
803  *
804  * @wm: watermark calculation data
805  *
806  * Calculate the data return bandwidth used for display (CIK).
807  * Used for display watermark bandwidth calculations
808  * Returns the data return bandwidth in MBytes/s
809  */
dce_v11_0_data_return_bandwidth(struct dce10_wm_params * wm)810 static u32 dce_v11_0_data_return_bandwidth(struct dce10_wm_params *wm)
811 {
812 	/* Calculate the display Data return Bandwidth */
813 	fixed20_12 return_efficiency; /* 0.8 */
814 	fixed20_12 sclk, bandwidth;
815 	fixed20_12 a;
816 
817 	a.full = dfixed_const(1000);
818 	sclk.full = dfixed_const(wm->sclk);
819 	sclk.full = dfixed_div(sclk, a);
820 	a.full = dfixed_const(10);
821 	return_efficiency.full = dfixed_const(8);
822 	return_efficiency.full = dfixed_div(return_efficiency, a);
823 	a.full = dfixed_const(32);
824 	bandwidth.full = dfixed_mul(a, sclk);
825 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
826 
827 	return dfixed_trunc(bandwidth);
828 }
829 
830 /**
831  * dce_v11_0_dmif_request_bandwidth - get the dmif bandwidth
832  *
833  * @wm: watermark calculation data
834  *
835  * Calculate the dmif bandwidth used for display (CIK).
836  * Used for display watermark bandwidth calculations
837  * Returns the dmif bandwidth in MBytes/s
838  */
dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params * wm)839 static u32 dce_v11_0_dmif_request_bandwidth(struct dce10_wm_params *wm)
840 {
841 	/* Calculate the DMIF Request Bandwidth */
842 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
843 	fixed20_12 disp_clk, bandwidth;
844 	fixed20_12 a, b;
845 
846 	a.full = dfixed_const(1000);
847 	disp_clk.full = dfixed_const(wm->disp_clk);
848 	disp_clk.full = dfixed_div(disp_clk, a);
849 	a.full = dfixed_const(32);
850 	b.full = dfixed_mul(a, disp_clk);
851 
852 	a.full = dfixed_const(10);
853 	disp_clk_request_efficiency.full = dfixed_const(8);
854 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
855 
856 	bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
857 
858 	return dfixed_trunc(bandwidth);
859 }
860 
861 /**
862  * dce_v11_0_available_bandwidth - get the min available bandwidth
863  *
864  * @wm: watermark calculation data
865  *
866  * Calculate the min available bandwidth used for display (CIK).
867  * Used for display watermark bandwidth calculations
868  * Returns the min available bandwidth in MBytes/s
869  */
dce_v11_0_available_bandwidth(struct dce10_wm_params * wm)870 static u32 dce_v11_0_available_bandwidth(struct dce10_wm_params *wm)
871 {
872 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
873 	u32 dram_bandwidth = dce_v11_0_dram_bandwidth(wm);
874 	u32 data_return_bandwidth = dce_v11_0_data_return_bandwidth(wm);
875 	u32 dmif_req_bandwidth = dce_v11_0_dmif_request_bandwidth(wm);
876 
877 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
878 }
879 
880 /**
881  * dce_v11_0_average_bandwidth - get the average available bandwidth
882  *
883  * @wm: watermark calculation data
884  *
885  * Calculate the average available bandwidth used for display (CIK).
886  * Used for display watermark bandwidth calculations
887  * Returns the average available bandwidth in MBytes/s
888  */
dce_v11_0_average_bandwidth(struct dce10_wm_params * wm)889 static u32 dce_v11_0_average_bandwidth(struct dce10_wm_params *wm)
890 {
891 	/* Calculate the display mode Average Bandwidth
892 	 * DisplayMode should contain the source and destination dimensions,
893 	 * timing, etc.
894 	 */
895 	fixed20_12 bpp;
896 	fixed20_12 line_time;
897 	fixed20_12 src_width;
898 	fixed20_12 bandwidth;
899 	fixed20_12 a;
900 
901 	a.full = dfixed_const(1000);
902 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
903 	line_time.full = dfixed_div(line_time, a);
904 	bpp.full = dfixed_const(wm->bytes_per_pixel);
905 	src_width.full = dfixed_const(wm->src_width);
906 	bandwidth.full = dfixed_mul(src_width, bpp);
907 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
908 	bandwidth.full = dfixed_div(bandwidth, line_time);
909 
910 	return dfixed_trunc(bandwidth);
911 }
912 
913 /**
914  * dce_v11_0_latency_watermark - get the latency watermark
915  *
916  * @wm: watermark calculation data
917  *
918  * Calculate the latency watermark (CIK).
919  * Used for display watermark bandwidth calculations
920  * Returns the latency watermark in ns
921  */
dce_v11_0_latency_watermark(struct dce10_wm_params * wm)922 static u32 dce_v11_0_latency_watermark(struct dce10_wm_params *wm)
923 {
924 	/* First calculate the latency in ns */
925 	u32 mc_latency = 2000; /* 2000 ns. */
926 	u32 available_bandwidth = dce_v11_0_available_bandwidth(wm);
927 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
928 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
929 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
930 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
931 		(wm->num_heads * cursor_line_pair_return_time);
932 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
933 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
934 	u32 tmp, dmif_size = 12288;
935 	fixed20_12 a, b, c;
936 
937 	if (wm->num_heads == 0)
938 		return 0;
939 
940 	a.full = dfixed_const(2);
941 	b.full = dfixed_const(1);
942 	if ((wm->vsc.full > a.full) ||
943 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
944 	    (wm->vtaps >= 5) ||
945 	    ((wm->vsc.full >= a.full) && wm->interlaced))
946 		max_src_lines_per_dst_line = 4;
947 	else
948 		max_src_lines_per_dst_line = 2;
949 
950 	a.full = dfixed_const(available_bandwidth);
951 	b.full = dfixed_const(wm->num_heads);
952 	a.full = dfixed_div(a, b);
953 	tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
954 	tmp = min(dfixed_trunc(a), tmp);
955 
956 	lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
957 
958 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
959 	b.full = dfixed_const(1000);
960 	c.full = dfixed_const(lb_fill_bw);
961 	b.full = dfixed_div(c, b);
962 	a.full = dfixed_div(a, b);
963 	line_fill_time = dfixed_trunc(a);
964 
965 	if (line_fill_time < wm->active_time)
966 		return latency;
967 	else
968 		return latency + (line_fill_time - wm->active_time);
969 
970 }
971 
972 /**
973  * dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display - check
974  * average and available dram bandwidth
975  *
976  * @wm: watermark calculation data
977  *
978  * Check if the display average bandwidth fits in the display
979  * dram bandwidth (CIK).
980  * Used for display watermark bandwidth calculations
981  * Returns true if the display fits, false if not.
982  */
dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params * wm)983 static bool dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce10_wm_params *wm)
984 {
985 	if (dce_v11_0_average_bandwidth(wm) <=
986 	    (dce_v11_0_dram_bandwidth_for_display(wm) / wm->num_heads))
987 		return true;
988 	else
989 		return false;
990 }
991 
992 /**
993  * dce_v11_0_average_bandwidth_vs_available_bandwidth - check
994  * average and available bandwidth
995  *
996  * @wm: watermark calculation data
997  *
998  * Check if the display average bandwidth fits in the display
999  * available bandwidth (CIK).
1000  * Used for display watermark bandwidth calculations
1001  * Returns true if the display fits, false if not.
1002  */
dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params * wm)1003 static bool dce_v11_0_average_bandwidth_vs_available_bandwidth(struct dce10_wm_params *wm)
1004 {
1005 	if (dce_v11_0_average_bandwidth(wm) <=
1006 	    (dce_v11_0_available_bandwidth(wm) / wm->num_heads))
1007 		return true;
1008 	else
1009 		return false;
1010 }
1011 
1012 /**
1013  * dce_v11_0_check_latency_hiding - check latency hiding
1014  *
1015  * @wm: watermark calculation data
1016  *
1017  * Check latency hiding (CIK).
1018  * Used for display watermark bandwidth calculations
1019  * Returns true if the display fits, false if not.
1020  */
dce_v11_0_check_latency_hiding(struct dce10_wm_params * wm)1021 static bool dce_v11_0_check_latency_hiding(struct dce10_wm_params *wm)
1022 {
1023 	u32 lb_partitions = wm->lb_size / wm->src_width;
1024 	u32 line_time = wm->active_time + wm->blank_time;
1025 	u32 latency_tolerant_lines;
1026 	u32 latency_hiding;
1027 	fixed20_12 a;
1028 
1029 	a.full = dfixed_const(1);
1030 	if (wm->vsc.full > a.full)
1031 		latency_tolerant_lines = 1;
1032 	else {
1033 		if (lb_partitions <= (wm->vtaps + 1))
1034 			latency_tolerant_lines = 1;
1035 		else
1036 			latency_tolerant_lines = 2;
1037 	}
1038 
1039 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
1040 
1041 	if (dce_v11_0_latency_watermark(wm) <= latency_hiding)
1042 		return true;
1043 	else
1044 		return false;
1045 }
1046 
1047 /**
1048  * dce_v11_0_program_watermarks - program display watermarks
1049  *
1050  * @adev: amdgpu_device pointer
1051  * @amdgpu_crtc: the selected display controller
1052  * @lb_size: line buffer size
1053  * @num_heads: number of display controllers in use
1054  *
1055  * Calculate and program the display watermarks for the
1056  * selected display controller (CIK).
1057  */
dce_v11_0_program_watermarks(struct amdgpu_device * adev,struct amdgpu_crtc * amdgpu_crtc,u32 lb_size,u32 num_heads)1058 static void dce_v11_0_program_watermarks(struct amdgpu_device *adev,
1059 					struct amdgpu_crtc *amdgpu_crtc,
1060 					u32 lb_size, u32 num_heads)
1061 {
1062 	struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
1063 	struct dce10_wm_params wm_low, wm_high;
1064 	u32 active_time;
1065 	u32 line_time = 0;
1066 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
1067 	u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
1068 
1069 	if (amdgpu_crtc->base.enabled && num_heads && mode) {
1070 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
1071 					    (u32)mode->clock);
1072 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
1073 					  (u32)mode->clock);
1074 		line_time = min_t(u32, line_time, 65535);
1075 
1076 		/* watermark for high clocks */
1077 		if (adev->pm.dpm_enabled) {
1078 			wm_high.yclk =
1079 				amdgpu_dpm_get_mclk(adev, false) * 10;
1080 			wm_high.sclk =
1081 				amdgpu_dpm_get_sclk(adev, false) * 10;
1082 		} else {
1083 			wm_high.yclk = adev->pm.current_mclk * 10;
1084 			wm_high.sclk = adev->pm.current_sclk * 10;
1085 		}
1086 
1087 		wm_high.disp_clk = mode->clock;
1088 		wm_high.src_width = mode->crtc_hdisplay;
1089 		wm_high.active_time = active_time;
1090 		wm_high.blank_time = line_time - wm_high.active_time;
1091 		wm_high.interlaced = false;
1092 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1093 			wm_high.interlaced = true;
1094 		wm_high.vsc = amdgpu_crtc->vsc;
1095 		wm_high.vtaps = 1;
1096 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1097 			wm_high.vtaps = 2;
1098 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1099 		wm_high.lb_size = lb_size;
1100 		wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1101 		wm_high.num_heads = num_heads;
1102 
1103 		/* set for high clocks */
1104 		latency_watermark_a = min_t(u32, dce_v11_0_latency_watermark(&wm_high), 65535);
1105 
1106 		/* possibly force display priority to high */
1107 		/* should really do this at mode validation time... */
1108 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1109 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1110 		    !dce_v11_0_check_latency_hiding(&wm_high) ||
1111 		    (adev->mode_info.disp_priority == 2)) {
1112 			DRM_DEBUG_KMS("force priority to high\n");
1113 		}
1114 
1115 		/* watermark for low clocks */
1116 		if (adev->pm.dpm_enabled) {
1117 			wm_low.yclk =
1118 				amdgpu_dpm_get_mclk(adev, true) * 10;
1119 			wm_low.sclk =
1120 				amdgpu_dpm_get_sclk(adev, true) * 10;
1121 		} else {
1122 			wm_low.yclk = adev->pm.current_mclk * 10;
1123 			wm_low.sclk = adev->pm.current_sclk * 10;
1124 		}
1125 
1126 		wm_low.disp_clk = mode->clock;
1127 		wm_low.src_width = mode->crtc_hdisplay;
1128 		wm_low.active_time = active_time;
1129 		wm_low.blank_time = line_time - wm_low.active_time;
1130 		wm_low.interlaced = false;
1131 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1132 			wm_low.interlaced = true;
1133 		wm_low.vsc = amdgpu_crtc->vsc;
1134 		wm_low.vtaps = 1;
1135 		if (amdgpu_crtc->rmx_type != RMX_OFF)
1136 			wm_low.vtaps = 2;
1137 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1138 		wm_low.lb_size = lb_size;
1139 		wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1140 		wm_low.num_heads = num_heads;
1141 
1142 		/* set for low clocks */
1143 		latency_watermark_b = min_t(u32, dce_v11_0_latency_watermark(&wm_low), 65535);
1144 
1145 		/* possibly force display priority to high */
1146 		/* should really do this at mode validation time... */
1147 		if (!dce_v11_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1148 		    !dce_v11_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1149 		    !dce_v11_0_check_latency_hiding(&wm_low) ||
1150 		    (adev->mode_info.disp_priority == 2)) {
1151 			DRM_DEBUG_KMS("force priority to high\n");
1152 		}
1153 		lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1154 	}
1155 
1156 	/* select wm A */
1157 	wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1158 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 1);
1159 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1160 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1161 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_a);
1162 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1163 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1164 	/* select wm B */
1165 	tmp = REG_SET_FIELD(wm_mask, DPG_WATERMARK_MASK_CONTROL, URGENCY_WATERMARK_MASK, 2);
1166 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1167 	tmp = RREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset);
1168 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_LOW_WATERMARK, latency_watermark_b);
1169 	tmp = REG_SET_FIELD(tmp, DPG_PIPE_URGENCY_CONTROL, URGENCY_HIGH_WATERMARK, line_time);
1170 	WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1171 	/* restore original selection */
1172 	WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1173 
1174 	/* save values for DPM */
1175 	amdgpu_crtc->line_time = line_time;
1176 	amdgpu_crtc->wm_high = latency_watermark_a;
1177 	amdgpu_crtc->wm_low = latency_watermark_b;
1178 	/* Save number of lines the linebuffer leads before the scanout */
1179 	amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1180 }
1181 
1182 /**
1183  * dce_v11_0_bandwidth_update - program display watermarks
1184  *
1185  * @adev: amdgpu_device pointer
1186  *
1187  * Calculate and program the display watermarks and line
1188  * buffer allocation (CIK).
1189  */
dce_v11_0_bandwidth_update(struct amdgpu_device * adev)1190 static void dce_v11_0_bandwidth_update(struct amdgpu_device *adev)
1191 {
1192 	struct drm_display_mode *mode = NULL;
1193 	u32 num_heads = 0, lb_size;
1194 	int i;
1195 
1196 	amdgpu_display_update_priority(adev);
1197 
1198 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1199 		if (adev->mode_info.crtcs[i]->base.enabled)
1200 			num_heads++;
1201 	}
1202 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
1203 		mode = &adev->mode_info.crtcs[i]->base.mode;
1204 		lb_size = dce_v11_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1205 		dce_v11_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1206 					    lb_size, num_heads);
1207 	}
1208 }
1209 
dce_v11_0_audio_get_connected_pins(struct amdgpu_device * adev)1210 static void dce_v11_0_audio_get_connected_pins(struct amdgpu_device *adev)
1211 {
1212 	int i;
1213 	u32 offset, tmp;
1214 
1215 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1216 		offset = adev->mode_info.audio.pin[i].offset;
1217 		tmp = RREG32_AUDIO_ENDPT(offset,
1218 					 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1219 		if (((tmp &
1220 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1221 		AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1222 			adev->mode_info.audio.pin[i].connected = false;
1223 		else
1224 			adev->mode_info.audio.pin[i].connected = true;
1225 	}
1226 }
1227 
dce_v11_0_audio_get_pin(struct amdgpu_device * adev)1228 static struct amdgpu_audio_pin *dce_v11_0_audio_get_pin(struct amdgpu_device *adev)
1229 {
1230 	int i;
1231 
1232 	dce_v11_0_audio_get_connected_pins(adev);
1233 
1234 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1235 		if (adev->mode_info.audio.pin[i].connected)
1236 			return &adev->mode_info.audio.pin[i];
1237 	}
1238 	DRM_ERROR("No connected audio pins found!\n");
1239 	return NULL;
1240 }
1241 
dce_v11_0_afmt_audio_select_pin(struct drm_encoder * encoder)1242 static void dce_v11_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1243 {
1244 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1245 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1246 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1247 	u32 tmp;
1248 
1249 	if (!dig || !dig->afmt || !dig->afmt->pin)
1250 		return;
1251 
1252 	tmp = RREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset);
1253 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_SRC_CONTROL, AFMT_AUDIO_SRC_SELECT, dig->afmt->pin->id);
1254 	WREG32(mmAFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, tmp);
1255 }
1256 
dce_v11_0_audio_write_latency_fields(struct drm_encoder * encoder,struct drm_display_mode * mode)1257 static void dce_v11_0_audio_write_latency_fields(struct drm_encoder *encoder,
1258 						struct drm_display_mode *mode)
1259 {
1260 	struct drm_device *dev = encoder->dev;
1261 	struct amdgpu_device *adev = drm_to_adev(dev);
1262 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1263 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1264 	struct drm_connector *connector;
1265 	struct drm_connector_list_iter iter;
1266 	struct amdgpu_connector *amdgpu_connector = NULL;
1267 	u32 tmp;
1268 	int interlace = 0;
1269 
1270 	if (!dig || !dig->afmt || !dig->afmt->pin)
1271 		return;
1272 
1273 	drm_connector_list_iter_begin(dev, &iter);
1274 	drm_for_each_connector_iter(connector, &iter) {
1275 		if (connector->encoder == encoder) {
1276 			amdgpu_connector = to_amdgpu_connector(connector);
1277 			break;
1278 		}
1279 	}
1280 	drm_connector_list_iter_end(&iter);
1281 
1282 	if (!amdgpu_connector) {
1283 		DRM_ERROR("Couldn't find encoder's connector\n");
1284 		return;
1285 	}
1286 
1287 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1288 		interlace = 1;
1289 	if (connector->latency_present[interlace]) {
1290 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1291 				    VIDEO_LIPSYNC, connector->video_latency[interlace]);
1292 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1293 				    AUDIO_LIPSYNC, connector->audio_latency[interlace]);
1294 	} else {
1295 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1296 				    VIDEO_LIPSYNC, 0);
1297 		tmp = REG_SET_FIELD(0, AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC,
1298 				    AUDIO_LIPSYNC, 0);
1299 	}
1300 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1301 			   ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1302 }
1303 
dce_v11_0_audio_write_speaker_allocation(struct drm_encoder * encoder)1304 static void dce_v11_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1305 {
1306 	struct drm_device *dev = encoder->dev;
1307 	struct amdgpu_device *adev = drm_to_adev(dev);
1308 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1309 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1310 	struct drm_connector *connector;
1311 	struct drm_connector_list_iter iter;
1312 	struct amdgpu_connector *amdgpu_connector = NULL;
1313 	u32 tmp;
1314 	u8 *sadb = NULL;
1315 	int sad_count;
1316 
1317 	if (!dig || !dig->afmt || !dig->afmt->pin)
1318 		return;
1319 
1320 	drm_connector_list_iter_begin(dev, &iter);
1321 	drm_for_each_connector_iter(connector, &iter) {
1322 		if (connector->encoder == encoder) {
1323 			amdgpu_connector = to_amdgpu_connector(connector);
1324 			break;
1325 		}
1326 	}
1327 	drm_connector_list_iter_end(&iter);
1328 
1329 	if (!amdgpu_connector) {
1330 		DRM_ERROR("Couldn't find encoder's connector\n");
1331 		return;
1332 	}
1333 
1334 	sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1335 	if (sad_count < 0) {
1336 		DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1337 		sad_count = 0;
1338 	}
1339 
1340 	/* program the speaker allocation */
1341 	tmp = RREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1342 				 ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1343 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1344 			    DP_CONNECTION, 0);
1345 	/* set HDMI mode */
1346 	tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1347 			    HDMI_CONNECTION, 1);
1348 	if (sad_count)
1349 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1350 				    SPEAKER_ALLOCATION, sadb[0]);
1351 	else
1352 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER,
1353 				    SPEAKER_ALLOCATION, 5); /* stereo */
1354 	WREG32_AUDIO_ENDPT(dig->afmt->pin->offset,
1355 			   ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1356 
1357 	kfree(sadb);
1358 }
1359 
dce_v11_0_audio_write_sad_regs(struct drm_encoder * encoder)1360 static void dce_v11_0_audio_write_sad_regs(struct drm_encoder *encoder)
1361 {
1362 	struct drm_device *dev = encoder->dev;
1363 	struct amdgpu_device *adev = drm_to_adev(dev);
1364 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1365 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1366 	struct drm_connector *connector;
1367 	struct drm_connector_list_iter iter;
1368 	struct amdgpu_connector *amdgpu_connector = NULL;
1369 	struct cea_sad *sads;
1370 	int i, sad_count;
1371 
1372 	static const u16 eld_reg_to_type[][2] = {
1373 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1374 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1375 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1376 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1377 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1378 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1379 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1380 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1381 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1382 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1383 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1384 		{ ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1385 	};
1386 
1387 	if (!dig || !dig->afmt || !dig->afmt->pin)
1388 		return;
1389 
1390 	drm_connector_list_iter_begin(dev, &iter);
1391 	drm_for_each_connector_iter(connector, &iter) {
1392 		if (connector->encoder == encoder) {
1393 			amdgpu_connector = to_amdgpu_connector(connector);
1394 			break;
1395 		}
1396 	}
1397 	drm_connector_list_iter_end(&iter);
1398 
1399 	if (!amdgpu_connector) {
1400 		DRM_ERROR("Couldn't find encoder's connector\n");
1401 		return;
1402 	}
1403 
1404 	sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1405 	if (sad_count < 0)
1406 		DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1407 	if (sad_count <= 0)
1408 		return;
1409 	BUG_ON(!sads);
1410 
1411 	for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1412 		u32 tmp = 0;
1413 		u8 stereo_freqs = 0;
1414 		int max_channels = -1;
1415 		int j;
1416 
1417 		for (j = 0; j < sad_count; j++) {
1418 			struct cea_sad *sad = &sads[j];
1419 
1420 			if (sad->format == eld_reg_to_type[i][1]) {
1421 				if (sad->channels > max_channels) {
1422 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1423 							    MAX_CHANNELS, sad->channels);
1424 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1425 							    DESCRIPTOR_BYTE_2, sad->byte2);
1426 					tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1427 							    SUPPORTED_FREQUENCIES, sad->freq);
1428 					max_channels = sad->channels;
1429 				}
1430 
1431 				if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1432 					stereo_freqs |= sad->freq;
1433 				else
1434 					break;
1435 			}
1436 		}
1437 
1438 		tmp = REG_SET_FIELD(tmp, AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0,
1439 				    SUPPORTED_FREQUENCIES_STEREO, stereo_freqs);
1440 		WREG32_AUDIO_ENDPT(dig->afmt->pin->offset, eld_reg_to_type[i][0], tmp);
1441 	}
1442 
1443 	kfree(sads);
1444 }
1445 
dce_v11_0_audio_enable(struct amdgpu_device * adev,struct amdgpu_audio_pin * pin,bool enable)1446 static void dce_v11_0_audio_enable(struct amdgpu_device *adev,
1447 				  struct amdgpu_audio_pin *pin,
1448 				  bool enable)
1449 {
1450 	if (!pin)
1451 		return;
1452 
1453 	WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1454 			   enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1455 }
1456 
1457 static const u32 pin_offsets[] =
1458 {
1459 	AUD0_REGISTER_OFFSET,
1460 	AUD1_REGISTER_OFFSET,
1461 	AUD2_REGISTER_OFFSET,
1462 	AUD3_REGISTER_OFFSET,
1463 	AUD4_REGISTER_OFFSET,
1464 	AUD5_REGISTER_OFFSET,
1465 	AUD6_REGISTER_OFFSET,
1466 	AUD7_REGISTER_OFFSET,
1467 };
1468 
dce_v11_0_audio_init(struct amdgpu_device * adev)1469 static int dce_v11_0_audio_init(struct amdgpu_device *adev)
1470 {
1471 	int i;
1472 
1473 	if (!amdgpu_audio)
1474 		return 0;
1475 
1476 	adev->mode_info.audio.enabled = true;
1477 
1478 	switch (adev->asic_type) {
1479 	case CHIP_CARRIZO:
1480 	case CHIP_STONEY:
1481 		adev->mode_info.audio.num_pins = 7;
1482 		break;
1483 	case CHIP_POLARIS10:
1484 	case CHIP_VEGAM:
1485 		adev->mode_info.audio.num_pins = 8;
1486 		break;
1487 	case CHIP_POLARIS11:
1488 	case CHIP_POLARIS12:
1489 		adev->mode_info.audio.num_pins = 6;
1490 		break;
1491 	default:
1492 		return -EINVAL;
1493 	}
1494 
1495 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1496 		adev->mode_info.audio.pin[i].channels = -1;
1497 		adev->mode_info.audio.pin[i].rate = -1;
1498 		adev->mode_info.audio.pin[i].bits_per_sample = -1;
1499 		adev->mode_info.audio.pin[i].status_bits = 0;
1500 		adev->mode_info.audio.pin[i].category_code = 0;
1501 		adev->mode_info.audio.pin[i].connected = false;
1502 		adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1503 		adev->mode_info.audio.pin[i].id = i;
1504 		/* disable audio.  it will be set up later */
1505 		/* XXX remove once we switch to ip funcs */
1506 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1507 	}
1508 
1509 	return 0;
1510 }
1511 
dce_v11_0_audio_fini(struct amdgpu_device * adev)1512 static void dce_v11_0_audio_fini(struct amdgpu_device *adev)
1513 {
1514 	int i;
1515 
1516 	if (!amdgpu_audio)
1517 		return;
1518 
1519 	if (!adev->mode_info.audio.enabled)
1520 		return;
1521 
1522 	for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1523 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1524 
1525 	adev->mode_info.audio.enabled = false;
1526 }
1527 
1528 /*
1529  * update the N and CTS parameters for a given pixel clock rate
1530  */
dce_v11_0_afmt_update_ACR(struct drm_encoder * encoder,uint32_t clock)1531 static void dce_v11_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1532 {
1533 	struct drm_device *dev = encoder->dev;
1534 	struct amdgpu_device *adev = drm_to_adev(dev);
1535 	struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1536 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1537 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1538 	u32 tmp;
1539 
1540 	tmp = RREG32(mmHDMI_ACR_32_0 + dig->afmt->offset);
1541 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_0, HDMI_ACR_CTS_32, acr.cts_32khz);
1542 	WREG32(mmHDMI_ACR_32_0 + dig->afmt->offset, tmp);
1543 	tmp = RREG32(mmHDMI_ACR_32_1 + dig->afmt->offset);
1544 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_32_1, HDMI_ACR_N_32, acr.n_32khz);
1545 	WREG32(mmHDMI_ACR_32_1 + dig->afmt->offset, tmp);
1546 
1547 	tmp = RREG32(mmHDMI_ACR_44_0 + dig->afmt->offset);
1548 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_0, HDMI_ACR_CTS_44, acr.cts_44_1khz);
1549 	WREG32(mmHDMI_ACR_44_0 + dig->afmt->offset, tmp);
1550 	tmp = RREG32(mmHDMI_ACR_44_1 + dig->afmt->offset);
1551 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_44_1, HDMI_ACR_N_44, acr.n_44_1khz);
1552 	WREG32(mmHDMI_ACR_44_1 + dig->afmt->offset, tmp);
1553 
1554 	tmp = RREG32(mmHDMI_ACR_48_0 + dig->afmt->offset);
1555 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_0, HDMI_ACR_CTS_48, acr.cts_48khz);
1556 	WREG32(mmHDMI_ACR_48_0 + dig->afmt->offset, tmp);
1557 	tmp = RREG32(mmHDMI_ACR_48_1 + dig->afmt->offset);
1558 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_48_1, HDMI_ACR_N_48, acr.n_48khz);
1559 	WREG32(mmHDMI_ACR_48_1 + dig->afmt->offset, tmp);
1560 
1561 }
1562 
1563 /*
1564  * build a HDMI Video Info Frame
1565  */
dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder * encoder,void * buffer,size_t size)1566 static void dce_v11_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1567 					       void *buffer, size_t size)
1568 {
1569 	struct drm_device *dev = encoder->dev;
1570 	struct amdgpu_device *adev = drm_to_adev(dev);
1571 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1572 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1573 	uint8_t *frame = buffer + 3;
1574 	uint8_t *header = buffer;
1575 
1576 	WREG32(mmAFMT_AVI_INFO0 + dig->afmt->offset,
1577 		frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1578 	WREG32(mmAFMT_AVI_INFO1 + dig->afmt->offset,
1579 		frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1580 	WREG32(mmAFMT_AVI_INFO2 + dig->afmt->offset,
1581 		frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1582 	WREG32(mmAFMT_AVI_INFO3 + dig->afmt->offset,
1583 		frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1584 }
1585 
dce_v11_0_audio_set_dto(struct drm_encoder * encoder,u32 clock)1586 static void dce_v11_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1587 {
1588 	struct drm_device *dev = encoder->dev;
1589 	struct amdgpu_device *adev = drm_to_adev(dev);
1590 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1591 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1592 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1593 	u32 dto_phase = 24 * 1000;
1594 	u32 dto_modulo = clock;
1595 	u32 tmp;
1596 
1597 	if (!dig || !dig->afmt)
1598 		return;
1599 
1600 	/* XXX two dtos; generally use dto0 for hdmi */
1601 	/* Express [24MHz / target pixel clock] as an exact rational
1602 	 * number (coefficient of two integer numbers.  DCCG_AUDIO_DTOx_PHASE
1603 	 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1604 	 */
1605 	tmp = RREG32(mmDCCG_AUDIO_DTO_SOURCE);
1606 	tmp = REG_SET_FIELD(tmp, DCCG_AUDIO_DTO_SOURCE, DCCG_AUDIO_DTO0_SOURCE_SEL,
1607 			    amdgpu_crtc->crtc_id);
1608 	WREG32(mmDCCG_AUDIO_DTO_SOURCE, tmp);
1609 	WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1610 	WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1611 }
1612 
1613 /*
1614  * update the info frames with the data from the current display mode
1615  */
dce_v11_0_afmt_setmode(struct drm_encoder * encoder,struct drm_display_mode * mode)1616 static void dce_v11_0_afmt_setmode(struct drm_encoder *encoder,
1617 				  struct drm_display_mode *mode)
1618 {
1619 	struct drm_device *dev = encoder->dev;
1620 	struct amdgpu_device *adev = drm_to_adev(dev);
1621 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1622 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1623 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1624 	u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1625 	struct hdmi_avi_infoframe frame;
1626 	ssize_t err;
1627 	u32 tmp;
1628 	int bpc = 8;
1629 
1630 	if (!dig || !dig->afmt)
1631 		return;
1632 
1633 	/* Silent, r600_hdmi_enable will raise WARN for us */
1634 	if (!dig->afmt->enabled)
1635 		return;
1636 
1637 	/* hdmi deep color mode general control packets setup, if bpc > 8 */
1638 	if (encoder->crtc) {
1639 		struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1640 		bpc = amdgpu_crtc->bpc;
1641 	}
1642 
1643 	/* disable audio prior to setting up hw */
1644 	dig->afmt->pin = dce_v11_0_audio_get_pin(adev);
1645 	dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1646 
1647 	dce_v11_0_audio_set_dto(encoder, mode->clock);
1648 
1649 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1650 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1);
1651 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp); /* send null packets when required */
1652 
1653 	WREG32(mmAFMT_AUDIO_CRC_CONTROL + dig->afmt->offset, 0x1000);
1654 
1655 	tmp = RREG32(mmHDMI_CONTROL + dig->afmt->offset);
1656 	switch (bpc) {
1657 	case 0:
1658 	case 6:
1659 	case 8:
1660 	case 16:
1661 	default:
1662 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 0);
1663 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 0);
1664 		DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1665 			  connector->name, bpc);
1666 		break;
1667 	case 10:
1668 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1669 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 1);
1670 		DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1671 			  connector->name);
1672 		break;
1673 	case 12:
1674 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_ENABLE, 1);
1675 		tmp = REG_SET_FIELD(tmp, HDMI_CONTROL, HDMI_DEEP_COLOR_DEPTH, 2);
1676 		DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1677 			  connector->name);
1678 		break;
1679 	}
1680 	WREG32(mmHDMI_CONTROL + dig->afmt->offset, tmp);
1681 
1682 	tmp = RREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset);
1683 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_NULL_SEND, 1); /* send null packets when required */
1684 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_SEND, 1); /* send general control packets */
1685 	tmp = REG_SET_FIELD(tmp, HDMI_VBI_PACKET_CONTROL, HDMI_GC_CONT, 1); /* send general control packets every frame */
1686 	WREG32(mmHDMI_VBI_PACKET_CONTROL + dig->afmt->offset, tmp);
1687 
1688 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1689 	/* enable audio info frames (frames won't be set until audio is enabled) */
1690 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_SEND, 1);
1691 	/* required for audio info values to be updated */
1692 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AUDIO_INFO_CONT, 1);
1693 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1694 
1695 	tmp = RREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset);
1696 	/* required for audio info values to be updated */
1697 	tmp = REG_SET_FIELD(tmp, AFMT_INFOFRAME_CONTROL0, AFMT_AUDIO_INFO_UPDATE, 1);
1698 	WREG32(mmAFMT_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1699 
1700 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1701 	/* anything other than 0 */
1702 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AUDIO_INFO_LINE, 2);
1703 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1704 
1705 	WREG32(mmHDMI_GC + dig->afmt->offset, 0); /* unset HDMI_GC_AVMUTE */
1706 
1707 	tmp = RREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1708 	/* set the default audio delay */
1709 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_DELAY_EN, 1);
1710 	/* should be suffient for all audio modes and small enough for all hblanks */
1711 	tmp = REG_SET_FIELD(tmp, HDMI_AUDIO_PACKET_CONTROL, HDMI_AUDIO_PACKETS_PER_LINE, 3);
1712 	WREG32(mmHDMI_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1713 
1714 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1715 	/* allow 60958 channel status fields to be updated */
1716 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_60958_CS_UPDATE, 1);
1717 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1718 
1719 	tmp = RREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset);
1720 	if (bpc > 8)
1721 		/* clear SW CTS value */
1722 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 0);
1723 	else
1724 		/* select SW CTS value */
1725 		tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_SOURCE, 1);
1726 	/* allow hw to sent ACR packets when required */
1727 	tmp = REG_SET_FIELD(tmp, HDMI_ACR_PACKET_CONTROL, HDMI_ACR_AUTO_SEND, 1);
1728 	WREG32(mmHDMI_ACR_PACKET_CONTROL + dig->afmt->offset, tmp);
1729 
1730 	dce_v11_0_afmt_update_ACR(encoder, mode->clock);
1731 
1732 	tmp = RREG32(mmAFMT_60958_0 + dig->afmt->offset);
1733 	tmp = REG_SET_FIELD(tmp, AFMT_60958_0, AFMT_60958_CS_CHANNEL_NUMBER_L, 1);
1734 	WREG32(mmAFMT_60958_0 + dig->afmt->offset, tmp);
1735 
1736 	tmp = RREG32(mmAFMT_60958_1 + dig->afmt->offset);
1737 	tmp = REG_SET_FIELD(tmp, AFMT_60958_1, AFMT_60958_CS_CHANNEL_NUMBER_R, 2);
1738 	WREG32(mmAFMT_60958_1 + dig->afmt->offset, tmp);
1739 
1740 	tmp = RREG32(mmAFMT_60958_2 + dig->afmt->offset);
1741 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_2, 3);
1742 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_3, 4);
1743 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_4, 5);
1744 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_5, 6);
1745 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_6, 7);
1746 	tmp = REG_SET_FIELD(tmp, AFMT_60958_2, AFMT_60958_CS_CHANNEL_NUMBER_7, 8);
1747 	WREG32(mmAFMT_60958_2 + dig->afmt->offset, tmp);
1748 
1749 	dce_v11_0_audio_write_speaker_allocation(encoder);
1750 
1751 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + dig->afmt->offset,
1752 	       (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1753 
1754 	dce_v11_0_afmt_audio_select_pin(encoder);
1755 	dce_v11_0_audio_write_sad_regs(encoder);
1756 	dce_v11_0_audio_write_latency_fields(encoder, mode);
1757 
1758 	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1759 	if (err < 0) {
1760 		DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1761 		return;
1762 	}
1763 
1764 	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1765 	if (err < 0) {
1766 		DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1767 		return;
1768 	}
1769 
1770 	dce_v11_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1771 
1772 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset);
1773 	/* enable AVI info frames */
1774 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_SEND, 1);
1775 	/* required for audio info values to be updated */
1776 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL0, HDMI_AVI_INFO_CONT, 1);
1777 	WREG32(mmHDMI_INFOFRAME_CONTROL0 + dig->afmt->offset, tmp);
1778 
1779 	tmp = RREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset);
1780 	tmp = REG_SET_FIELD(tmp, HDMI_INFOFRAME_CONTROL1, HDMI_AVI_INFO_LINE, 2);
1781 	WREG32(mmHDMI_INFOFRAME_CONTROL1 + dig->afmt->offset, tmp);
1782 
1783 	tmp = RREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset);
1784 	/* send audio packets */
1785 	tmp = REG_SET_FIELD(tmp, AFMT_AUDIO_PACKET_CONTROL, AFMT_AUDIO_SAMPLE_SEND, 1);
1786 	WREG32(mmAFMT_AUDIO_PACKET_CONTROL + dig->afmt->offset, tmp);
1787 
1788 	WREG32(mmAFMT_RAMP_CONTROL0 + dig->afmt->offset, 0x00FFFFFF);
1789 	WREG32(mmAFMT_RAMP_CONTROL1 + dig->afmt->offset, 0x007FFFFF);
1790 	WREG32(mmAFMT_RAMP_CONTROL2 + dig->afmt->offset, 0x00000001);
1791 	WREG32(mmAFMT_RAMP_CONTROL3 + dig->afmt->offset, 0x00000001);
1792 
1793 	/* enable audio after to setting up hw */
1794 	dce_v11_0_audio_enable(adev, dig->afmt->pin, true);
1795 }
1796 
dce_v11_0_afmt_enable(struct drm_encoder * encoder,bool enable)1797 static void dce_v11_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1798 {
1799 	struct drm_device *dev = encoder->dev;
1800 	struct amdgpu_device *adev = drm_to_adev(dev);
1801 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1802 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1803 
1804 	if (!dig || !dig->afmt)
1805 		return;
1806 
1807 	/* Silent, r600_hdmi_enable will raise WARN for us */
1808 	if (enable && dig->afmt->enabled)
1809 		return;
1810 	if (!enable && !dig->afmt->enabled)
1811 		return;
1812 
1813 	if (!enable && dig->afmt->pin) {
1814 		dce_v11_0_audio_enable(adev, dig->afmt->pin, false);
1815 		dig->afmt->pin = NULL;
1816 	}
1817 
1818 	dig->afmt->enabled = enable;
1819 
1820 	DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1821 		  enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1822 }
1823 
dce_v11_0_afmt_init(struct amdgpu_device * adev)1824 static int dce_v11_0_afmt_init(struct amdgpu_device *adev)
1825 {
1826 	int i;
1827 
1828 	for (i = 0; i < adev->mode_info.num_dig; i++)
1829 		adev->mode_info.afmt[i] = NULL;
1830 
1831 	/* DCE11 has audio blocks tied to DIG encoders */
1832 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1833 		adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1834 		if (adev->mode_info.afmt[i]) {
1835 			adev->mode_info.afmt[i]->offset = dig_offsets[i];
1836 			adev->mode_info.afmt[i]->id = i;
1837 		} else {
1838 			int j;
1839 			for (j = 0; j < i; j++) {
1840 				kfree(adev->mode_info.afmt[j]);
1841 				adev->mode_info.afmt[j] = NULL;
1842 			}
1843 			return -ENOMEM;
1844 		}
1845 	}
1846 	return 0;
1847 }
1848 
dce_v11_0_afmt_fini(struct amdgpu_device * adev)1849 static void dce_v11_0_afmt_fini(struct amdgpu_device *adev)
1850 {
1851 	int i;
1852 
1853 	for (i = 0; i < adev->mode_info.num_dig; i++) {
1854 		kfree(adev->mode_info.afmt[i]);
1855 		adev->mode_info.afmt[i] = NULL;
1856 	}
1857 }
1858 
1859 static const u32 vga_control_regs[6] =
1860 {
1861 	mmD1VGA_CONTROL,
1862 	mmD2VGA_CONTROL,
1863 	mmD3VGA_CONTROL,
1864 	mmD4VGA_CONTROL,
1865 	mmD5VGA_CONTROL,
1866 	mmD6VGA_CONTROL,
1867 };
1868 
dce_v11_0_vga_enable(struct drm_crtc * crtc,bool enable)1869 static void dce_v11_0_vga_enable(struct drm_crtc *crtc, bool enable)
1870 {
1871 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1872 	struct drm_device *dev = crtc->dev;
1873 	struct amdgpu_device *adev = drm_to_adev(dev);
1874 	u32 vga_control;
1875 
1876 	vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1877 	if (enable)
1878 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1879 	else
1880 		WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1881 }
1882 
dce_v11_0_grph_enable(struct drm_crtc * crtc,bool enable)1883 static void dce_v11_0_grph_enable(struct drm_crtc *crtc, bool enable)
1884 {
1885 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1886 	struct drm_device *dev = crtc->dev;
1887 	struct amdgpu_device *adev = drm_to_adev(dev);
1888 
1889 	if (enable)
1890 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1891 	else
1892 		WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1893 }
1894 
dce_v11_0_crtc_do_set_base(struct drm_crtc * crtc,struct drm_framebuffer * fb,int x,int y,int atomic)1895 static int dce_v11_0_crtc_do_set_base(struct drm_crtc *crtc,
1896 				     struct drm_framebuffer *fb,
1897 				     int x, int y, int atomic)
1898 {
1899 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1900 	struct drm_device *dev = crtc->dev;
1901 	struct amdgpu_device *adev = drm_to_adev(dev);
1902 	struct drm_framebuffer *target_fb;
1903 	struct drm_gem_object *obj;
1904 	struct amdgpu_bo *abo;
1905 	uint64_t fb_location, tiling_flags;
1906 	uint32_t fb_format, fb_pitch_pixels;
1907 	u32 fb_swap = REG_SET_FIELD(0, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP, ENDIAN_NONE);
1908 	u32 pipe_config;
1909 	u32 tmp, viewport_w, viewport_h;
1910 	int r;
1911 	bool bypass_lut = false;
1912 
1913 	/* no fb bound */
1914 	if (!atomic && !crtc->primary->fb) {
1915 		DRM_DEBUG_KMS("No FB bound\n");
1916 		return 0;
1917 	}
1918 
1919 	if (atomic)
1920 		target_fb = fb;
1921 	else
1922 		target_fb = crtc->primary->fb;
1923 
1924 	/* If atomic, assume fb object is pinned & idle & fenced and
1925 	 * just update base pointers
1926 	 */
1927 	obj = target_fb->obj[0];
1928 	abo = gem_to_amdgpu_bo(obj);
1929 	r = amdgpu_bo_reserve(abo, false);
1930 	if (unlikely(r != 0))
1931 		return r;
1932 
1933 	if (!atomic) {
1934 		abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1935 		r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1936 		if (unlikely(r != 0)) {
1937 			amdgpu_bo_unreserve(abo);
1938 			return -EINVAL;
1939 		}
1940 	}
1941 	fb_location = amdgpu_bo_gpu_offset(abo);
1942 
1943 	amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1944 	amdgpu_bo_unreserve(abo);
1945 
1946 	pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1947 
1948 	switch (target_fb->format->format) {
1949 	case DRM_FORMAT_C8:
1950 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 0);
1951 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1952 		break;
1953 	case DRM_FORMAT_XRGB4444:
1954 	case DRM_FORMAT_ARGB4444:
1955 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1956 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 2);
1957 #ifdef __BIG_ENDIAN
1958 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1959 					ENDIAN_8IN16);
1960 #endif
1961 		break;
1962 	case DRM_FORMAT_XRGB1555:
1963 	case DRM_FORMAT_ARGB1555:
1964 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1965 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1966 #ifdef __BIG_ENDIAN
1967 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1968 					ENDIAN_8IN16);
1969 #endif
1970 		break;
1971 	case DRM_FORMAT_BGRX5551:
1972 	case DRM_FORMAT_BGRA5551:
1973 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1974 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 5);
1975 #ifdef __BIG_ENDIAN
1976 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1977 					ENDIAN_8IN16);
1978 #endif
1979 		break;
1980 	case DRM_FORMAT_RGB565:
1981 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 1);
1982 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
1983 #ifdef __BIG_ENDIAN
1984 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1985 					ENDIAN_8IN16);
1986 #endif
1987 		break;
1988 	case DRM_FORMAT_XRGB8888:
1989 	case DRM_FORMAT_ARGB8888:
1990 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
1991 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
1992 #ifdef __BIG_ENDIAN
1993 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
1994 					ENDIAN_8IN32);
1995 #endif
1996 		break;
1997 	case DRM_FORMAT_XRGB2101010:
1998 	case DRM_FORMAT_ARGB2101010:
1999 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2000 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 1);
2001 #ifdef __BIG_ENDIAN
2002 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2003 					ENDIAN_8IN32);
2004 #endif
2005 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2006 		bypass_lut = true;
2007 		break;
2008 	case DRM_FORMAT_BGRX1010102:
2009 	case DRM_FORMAT_BGRA1010102:
2010 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2011 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 4);
2012 #ifdef __BIG_ENDIAN
2013 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2014 					ENDIAN_8IN32);
2015 #endif
2016 		/* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
2017 		bypass_lut = true;
2018 		break;
2019 	case DRM_FORMAT_XBGR8888:
2020 	case DRM_FORMAT_ABGR8888:
2021 		fb_format = REG_SET_FIELD(0, GRPH_CONTROL, GRPH_DEPTH, 2);
2022 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_FORMAT, 0);
2023 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_RED_CROSSBAR, 2);
2024 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_BLUE_CROSSBAR, 2);
2025 #ifdef __BIG_ENDIAN
2026 		fb_swap = REG_SET_FIELD(fb_swap, GRPH_SWAP_CNTL, GRPH_ENDIAN_SWAP,
2027 					ENDIAN_8IN32);
2028 #endif
2029 		break;
2030 	default:
2031 		DRM_ERROR("Unsupported screen format %p4cc\n",
2032 			  &target_fb->format->format);
2033 		return -EINVAL;
2034 	}
2035 
2036 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
2037 		unsigned bankw, bankh, mtaspect, tile_split, num_banks;
2038 
2039 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2040 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2041 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2042 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2043 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2044 
2045 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_NUM_BANKS, num_banks);
2046 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2047 					  ARRAY_2D_TILED_THIN1);
2048 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_TILE_SPLIT,
2049 					  tile_split);
2050 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_WIDTH, bankw);
2051 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_BANK_HEIGHT, bankh);
2052 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MACRO_TILE_ASPECT,
2053 					  mtaspect);
2054 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_MICRO_TILE_MODE,
2055 					  ADDR_SURF_MICRO_TILING_DISPLAY);
2056 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
2057 		fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_ARRAY_MODE,
2058 					  ARRAY_1D_TILED_THIN1);
2059 	}
2060 
2061 	fb_format = REG_SET_FIELD(fb_format, GRPH_CONTROL, GRPH_PIPE_CONFIG,
2062 				  pipe_config);
2063 
2064 	dce_v11_0_vga_enable(crtc, false);
2065 
2066 	/* Make sure surface address is updated at vertical blank rather than
2067 	 * horizontal blank
2068 	 */
2069 	tmp = RREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset);
2070 	tmp = REG_SET_FIELD(tmp, GRPH_FLIP_CONTROL,
2071 			    GRPH_SURFACE_UPDATE_H_RETRACE_EN, 0);
2072 	WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2073 
2074 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2075 	       upper_32_bits(fb_location));
2076 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2077 	       upper_32_bits(fb_location));
2078 	WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2079 	       (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
2080 	WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2081 	       (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
2082 	WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
2083 	WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
2084 
2085 	/*
2086 	 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
2087 	 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
2088 	 * retain the full precision throughout the pipeline.
2089 	 */
2090 	tmp = RREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset);
2091 	if (bypass_lut)
2092 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 1);
2093 	else
2094 		tmp = REG_SET_FIELD(tmp, GRPH_LUT_10BIT_BYPASS, GRPH_LUT_10BIT_BYPASS_EN, 0);
2095 	WREG32(mmGRPH_LUT_10BIT_BYPASS + amdgpu_crtc->crtc_offset, tmp);
2096 
2097 	if (bypass_lut)
2098 		DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
2099 
2100 	WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
2101 	WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
2102 	WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
2103 	WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
2104 	WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
2105 	WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
2106 
2107 	fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
2108 	WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
2109 
2110 	dce_v11_0_grph_enable(crtc, true);
2111 
2112 	WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
2113 	       target_fb->height);
2114 
2115 	x &= ~3;
2116 	y &= ~1;
2117 	WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
2118 	       (x << 16) | y);
2119 	viewport_w = crtc->mode.hdisplay;
2120 	viewport_h = (crtc->mode.vdisplay + 1) & ~1;
2121 	WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
2122 	       (viewport_w << 16) | viewport_h);
2123 
2124 	/* set pageflip to happen anywhere in vblank interval */
2125 	WREG32(mmCRTC_MASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2126 
2127 	if (!atomic && fb && fb != crtc->primary->fb) {
2128 		abo = gem_to_amdgpu_bo(fb->obj[0]);
2129 		r = amdgpu_bo_reserve(abo, true);
2130 		if (unlikely(r != 0))
2131 			return r;
2132 		amdgpu_bo_unpin(abo);
2133 		amdgpu_bo_unreserve(abo);
2134 	}
2135 
2136 	/* Bytes per pixel may have changed */
2137 	dce_v11_0_bandwidth_update(adev);
2138 
2139 	return 0;
2140 }
2141 
dce_v11_0_set_interleave(struct drm_crtc * crtc,struct drm_display_mode * mode)2142 static void dce_v11_0_set_interleave(struct drm_crtc *crtc,
2143 				     struct drm_display_mode *mode)
2144 {
2145 	struct drm_device *dev = crtc->dev;
2146 	struct amdgpu_device *adev = drm_to_adev(dev);
2147 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2148 	u32 tmp;
2149 
2150 	tmp = RREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset);
2151 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2152 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 1);
2153 	else
2154 		tmp = REG_SET_FIELD(tmp, LB_DATA_FORMAT, INTERLEAVE_EN, 0);
2155 	WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, tmp);
2156 }
2157 
dce_v11_0_crtc_load_lut(struct drm_crtc * crtc)2158 static void dce_v11_0_crtc_load_lut(struct drm_crtc *crtc)
2159 {
2160 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2161 	struct drm_device *dev = crtc->dev;
2162 	struct amdgpu_device *adev = drm_to_adev(dev);
2163 	u16 *r, *g, *b;
2164 	int i;
2165 	u32 tmp;
2166 
2167 	DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2168 
2169 	tmp = RREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2170 	tmp = REG_SET_FIELD(tmp, INPUT_CSC_CONTROL, INPUT_CSC_GRPH_MODE, 0);
2171 	WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2172 
2173 	tmp = RREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset);
2174 	tmp = REG_SET_FIELD(tmp, PRESCALE_GRPH_CONTROL, GRPH_PRESCALE_BYPASS, 1);
2175 	WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2176 
2177 	tmp = RREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2178 	tmp = REG_SET_FIELD(tmp, INPUT_GAMMA_CONTROL, GRPH_INPUT_GAMMA_MODE, 0);
2179 	WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2180 
2181 	WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2182 
2183 	WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2184 	WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2185 	WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2186 
2187 	WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2188 	WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2189 	WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2190 
2191 	WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2192 	WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2193 
2194 	WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2195 	r = crtc->gamma_store;
2196 	g = r + crtc->gamma_size;
2197 	b = g + crtc->gamma_size;
2198 	for (i = 0; i < 256; i++) {
2199 		WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2200 		       ((*r++ & 0xffc0) << 14) |
2201 		       ((*g++ & 0xffc0) << 4) |
2202 		       (*b++ >> 6));
2203 	}
2204 
2205 	tmp = RREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2206 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, GRPH_DEGAMMA_MODE, 0);
2207 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR_DEGAMMA_MODE, 0);
2208 	tmp = REG_SET_FIELD(tmp, DEGAMMA_CONTROL, CURSOR2_DEGAMMA_MODE, 0);
2209 	WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2210 
2211 	tmp = RREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset);
2212 	tmp = REG_SET_FIELD(tmp, GAMUT_REMAP_CONTROL, GRPH_GAMUT_REMAP_MODE, 0);
2213 	WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2214 
2215 	tmp = RREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset);
2216 	tmp = REG_SET_FIELD(tmp, REGAMMA_CONTROL, GRPH_REGAMMA_MODE, 0);
2217 	WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2218 
2219 	tmp = RREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset);
2220 	tmp = REG_SET_FIELD(tmp, OUTPUT_CSC_CONTROL, OUTPUT_CSC_GRPH_MODE, 0);
2221 	WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2222 
2223 	/* XXX match this to the depth of the crtc fmt block, move to modeset? */
2224 	WREG32(mmDENORM_CONTROL + amdgpu_crtc->crtc_offset, 0);
2225 	/* XXX this only needs to be programmed once per crtc at startup,
2226 	 * not sure where the best place for it is
2227 	 */
2228 	tmp = RREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset);
2229 	tmp = REG_SET_FIELD(tmp, ALPHA_CONTROL, CURSOR_ALPHA_BLND_ENA, 1);
2230 	WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2231 }
2232 
dce_v11_0_pick_dig_encoder(struct drm_encoder * encoder)2233 static int dce_v11_0_pick_dig_encoder(struct drm_encoder *encoder)
2234 {
2235 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2236 	struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2237 
2238 	switch (amdgpu_encoder->encoder_id) {
2239 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2240 		if (dig->linkb)
2241 			return 1;
2242 		else
2243 			return 0;
2244 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2245 		if (dig->linkb)
2246 			return 3;
2247 		else
2248 			return 2;
2249 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2250 		if (dig->linkb)
2251 			return 5;
2252 		else
2253 			return 4;
2254 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2255 		return 6;
2256 	default:
2257 		DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2258 		return 0;
2259 	}
2260 }
2261 
2262 /**
2263  * dce_v11_0_pick_pll - Allocate a PPLL for use by the crtc.
2264  *
2265  * @crtc: drm crtc
2266  *
2267  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
2268  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
2269  * monitors a dedicated PPLL must be used.  If a particular board has
2270  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2271  * as there is no need to program the PLL itself.  If we are not able to
2272  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2273  * avoid messing up an existing monitor.
2274  *
2275  * Asic specific PLL information
2276  *
2277  * DCE 10.x
2278  * Tonga
2279  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2280  * CI
2281  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2282  *
2283  */
dce_v11_0_pick_pll(struct drm_crtc * crtc)2284 static u32 dce_v11_0_pick_pll(struct drm_crtc *crtc)
2285 {
2286 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2287 	struct drm_device *dev = crtc->dev;
2288 	struct amdgpu_device *adev = drm_to_adev(dev);
2289 	u32 pll_in_use;
2290 	int pll;
2291 
2292 	if ((adev->asic_type == CHIP_POLARIS10) ||
2293 	    (adev->asic_type == CHIP_POLARIS11) ||
2294 	    (adev->asic_type == CHIP_POLARIS12) ||
2295 	    (adev->asic_type == CHIP_VEGAM)) {
2296 		struct amdgpu_encoder *amdgpu_encoder =
2297 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2298 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2299 
2300 		if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2301 			return ATOM_DP_DTO;
2302 
2303 		switch (amdgpu_encoder->encoder_id) {
2304 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2305 			if (dig->linkb)
2306 				return ATOM_COMBOPHY_PLL1;
2307 			else
2308 				return ATOM_COMBOPHY_PLL0;
2309 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2310 			if (dig->linkb)
2311 				return ATOM_COMBOPHY_PLL3;
2312 			else
2313 				return ATOM_COMBOPHY_PLL2;
2314 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2315 			if (dig->linkb)
2316 				return ATOM_COMBOPHY_PLL5;
2317 			else
2318 				return ATOM_COMBOPHY_PLL4;
2319 		default:
2320 			DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2321 			return ATOM_PPLL_INVALID;
2322 		}
2323 	}
2324 
2325 	if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2326 		if (adev->clock.dp_extclk)
2327 			/* skip PPLL programming if using ext clock */
2328 			return ATOM_PPLL_INVALID;
2329 		else {
2330 			/* use the same PPLL for all DP monitors */
2331 			pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2332 			if (pll != ATOM_PPLL_INVALID)
2333 				return pll;
2334 		}
2335 	} else {
2336 		/* use the same PPLL for all monitors with the same clock */
2337 		pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2338 		if (pll != ATOM_PPLL_INVALID)
2339 			return pll;
2340 	}
2341 
2342 	/* XXX need to determine what plls are available on each DCE11 part */
2343 	pll_in_use = amdgpu_pll_get_use_mask(crtc);
2344 	if (adev->flags & AMD_IS_APU) {
2345 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2346 			return ATOM_PPLL1;
2347 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2348 			return ATOM_PPLL0;
2349 		DRM_ERROR("unable to allocate a PPLL\n");
2350 		return ATOM_PPLL_INVALID;
2351 	} else {
2352 		if (!(pll_in_use & (1 << ATOM_PPLL2)))
2353 			return ATOM_PPLL2;
2354 		if (!(pll_in_use & (1 << ATOM_PPLL1)))
2355 			return ATOM_PPLL1;
2356 		if (!(pll_in_use & (1 << ATOM_PPLL0)))
2357 			return ATOM_PPLL0;
2358 		DRM_ERROR("unable to allocate a PPLL\n");
2359 		return ATOM_PPLL_INVALID;
2360 	}
2361 	return ATOM_PPLL_INVALID;
2362 }
2363 
dce_v11_0_lock_cursor(struct drm_crtc * crtc,bool lock)2364 static void dce_v11_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2365 {
2366 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2367 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2368 	uint32_t cur_lock;
2369 
2370 	cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2371 	if (lock)
2372 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 1);
2373 	else
2374 		cur_lock = REG_SET_FIELD(cur_lock, CUR_UPDATE, CURSOR_UPDATE_LOCK, 0);
2375 	WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2376 }
2377 
dce_v11_0_hide_cursor(struct drm_crtc * crtc)2378 static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
2379 {
2380 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2381 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2382 	u32 tmp;
2383 
2384 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2385 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
2386 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2387 }
2388 
dce_v11_0_show_cursor(struct drm_crtc * crtc)2389 static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
2390 {
2391 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2392 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2393 	u32 tmp;
2394 
2395 	WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2396 	       upper_32_bits(amdgpu_crtc->cursor_addr));
2397 	WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2398 	       lower_32_bits(amdgpu_crtc->cursor_addr));
2399 
2400 	tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
2401 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
2402 	tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
2403 	WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
2404 }
2405 
dce_v11_0_cursor_move_locked(struct drm_crtc * crtc,int x,int y)2406 static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
2407 					int x, int y)
2408 {
2409 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2410 	struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2411 	int xorigin = 0, yorigin = 0;
2412 
2413 	amdgpu_crtc->cursor_x = x;
2414 	amdgpu_crtc->cursor_y = y;
2415 
2416 	/* avivo cursor are offset into the total surface */
2417 	x += crtc->x;
2418 	y += crtc->y;
2419 	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2420 
2421 	if (x < 0) {
2422 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2423 		x = 0;
2424 	}
2425 	if (y < 0) {
2426 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2427 		y = 0;
2428 	}
2429 
2430 	WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2431 	WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2432 	WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2433 	       ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2434 
2435 	return 0;
2436 }
2437 
dce_v11_0_crtc_cursor_move(struct drm_crtc * crtc,int x,int y)2438 static int dce_v11_0_crtc_cursor_move(struct drm_crtc *crtc,
2439 				      int x, int y)
2440 {
2441 	int ret;
2442 
2443 	dce_v11_0_lock_cursor(crtc, true);
2444 	ret = dce_v11_0_cursor_move_locked(crtc, x, y);
2445 	dce_v11_0_lock_cursor(crtc, false);
2446 
2447 	return ret;
2448 }
2449 
dce_v11_0_crtc_cursor_set2(struct drm_crtc * crtc,struct drm_file * file_priv,uint32_t handle,uint32_t width,uint32_t height,int32_t hot_x,int32_t hot_y)2450 static int dce_v11_0_crtc_cursor_set2(struct drm_crtc *crtc,
2451 				      struct drm_file *file_priv,
2452 				      uint32_t handle,
2453 				      uint32_t width,
2454 				      uint32_t height,
2455 				      int32_t hot_x,
2456 				      int32_t hot_y)
2457 {
2458 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2459 	struct drm_gem_object *obj;
2460 	struct amdgpu_bo *aobj;
2461 	int ret;
2462 
2463 	if (!handle) {
2464 		/* turn off cursor */
2465 		dce_v11_0_hide_cursor(crtc);
2466 		obj = NULL;
2467 		goto unpin;
2468 	}
2469 
2470 	if ((width > amdgpu_crtc->max_cursor_width) ||
2471 	    (height > amdgpu_crtc->max_cursor_height)) {
2472 		DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2473 		return -EINVAL;
2474 	}
2475 
2476 	obj = drm_gem_object_lookup(file_priv, handle);
2477 	if (!obj) {
2478 		DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2479 		return -ENOENT;
2480 	}
2481 
2482 	aobj = gem_to_amdgpu_bo(obj);
2483 	ret = amdgpu_bo_reserve(aobj, false);
2484 	if (ret != 0) {
2485 		drm_gem_object_put(obj);
2486 		return ret;
2487 	}
2488 
2489 	aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2490 	ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2491 	amdgpu_bo_unreserve(aobj);
2492 	if (ret) {
2493 		DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2494 		drm_gem_object_put(obj);
2495 		return ret;
2496 	}
2497 	amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2498 
2499 	dce_v11_0_lock_cursor(crtc, true);
2500 
2501 	if (width != amdgpu_crtc->cursor_width ||
2502 	    height != amdgpu_crtc->cursor_height ||
2503 	    hot_x != amdgpu_crtc->cursor_hot_x ||
2504 	    hot_y != amdgpu_crtc->cursor_hot_y) {
2505 		int x, y;
2506 
2507 		x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2508 		y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2509 
2510 		dce_v11_0_cursor_move_locked(crtc, x, y);
2511 
2512 		amdgpu_crtc->cursor_width = width;
2513 		amdgpu_crtc->cursor_height = height;
2514 		amdgpu_crtc->cursor_hot_x = hot_x;
2515 		amdgpu_crtc->cursor_hot_y = hot_y;
2516 	}
2517 
2518 	dce_v11_0_show_cursor(crtc);
2519 	dce_v11_0_lock_cursor(crtc, false);
2520 
2521 unpin:
2522 	if (amdgpu_crtc->cursor_bo) {
2523 		struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2524 		ret = amdgpu_bo_reserve(aobj, true);
2525 		if (likely(ret == 0)) {
2526 			amdgpu_bo_unpin(aobj);
2527 			amdgpu_bo_unreserve(aobj);
2528 		}
2529 		drm_gem_object_put(amdgpu_crtc->cursor_bo);
2530 	}
2531 
2532 	amdgpu_crtc->cursor_bo = obj;
2533 	return 0;
2534 }
2535 
dce_v11_0_cursor_reset(struct drm_crtc * crtc)2536 static void dce_v11_0_cursor_reset(struct drm_crtc *crtc)
2537 {
2538 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2539 
2540 	if (amdgpu_crtc->cursor_bo) {
2541 		dce_v11_0_lock_cursor(crtc, true);
2542 
2543 		dce_v11_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2544 					     amdgpu_crtc->cursor_y);
2545 
2546 		dce_v11_0_show_cursor(crtc);
2547 
2548 		dce_v11_0_lock_cursor(crtc, false);
2549 	}
2550 }
2551 
dce_v11_0_crtc_gamma_set(struct drm_crtc * crtc,u16 * red,u16 * green,u16 * blue,uint32_t size,struct drm_modeset_acquire_ctx * ctx)2552 static int dce_v11_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2553 				    u16 *blue, uint32_t size,
2554 				    struct drm_modeset_acquire_ctx *ctx)
2555 {
2556 	dce_v11_0_crtc_load_lut(crtc);
2557 
2558 	return 0;
2559 }
2560 
dce_v11_0_crtc_destroy(struct drm_crtc * crtc)2561 static void dce_v11_0_crtc_destroy(struct drm_crtc *crtc)
2562 {
2563 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2564 
2565 	drm_crtc_cleanup(crtc);
2566 	kfree(amdgpu_crtc);
2567 }
2568 
2569 static const struct drm_crtc_funcs dce_v11_0_crtc_funcs = {
2570 	.cursor_set2 = dce_v11_0_crtc_cursor_set2,
2571 	.cursor_move = dce_v11_0_crtc_cursor_move,
2572 	.gamma_set = dce_v11_0_crtc_gamma_set,
2573 	.set_config = amdgpu_display_crtc_set_config,
2574 	.destroy = dce_v11_0_crtc_destroy,
2575 	.page_flip_target = amdgpu_display_crtc_page_flip_target,
2576 	.get_vblank_counter = amdgpu_get_vblank_counter_kms,
2577 	.enable_vblank = amdgpu_enable_vblank_kms,
2578 	.disable_vblank = amdgpu_disable_vblank_kms,
2579 	.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2580 };
2581 
dce_v11_0_crtc_dpms(struct drm_crtc * crtc,int mode)2582 static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2583 {
2584 	struct drm_device *dev = crtc->dev;
2585 	struct amdgpu_device *adev = drm_to_adev(dev);
2586 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2587 	unsigned type;
2588 
2589 	switch (mode) {
2590 	case DRM_MODE_DPMS_ON:
2591 		amdgpu_crtc->enabled = true;
2592 		amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2593 		dce_v11_0_vga_enable(crtc, true);
2594 		amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2595 		dce_v11_0_vga_enable(crtc, false);
2596 		/* Make sure VBLANK and PFLIP interrupts are still enabled */
2597 		type = amdgpu_display_crtc_idx_to_irq_type(adev,
2598 						amdgpu_crtc->crtc_id);
2599 		amdgpu_irq_update(adev, &adev->crtc_irq, type);
2600 		amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2601 		drm_crtc_vblank_on(crtc);
2602 		dce_v11_0_crtc_load_lut(crtc);
2603 		break;
2604 	case DRM_MODE_DPMS_STANDBY:
2605 	case DRM_MODE_DPMS_SUSPEND:
2606 	case DRM_MODE_DPMS_OFF:
2607 		drm_crtc_vblank_off(crtc);
2608 		if (amdgpu_crtc->enabled) {
2609 			dce_v11_0_vga_enable(crtc, true);
2610 			amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2611 			dce_v11_0_vga_enable(crtc, false);
2612 		}
2613 		amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2614 		amdgpu_crtc->enabled = false;
2615 		break;
2616 	}
2617 	/* adjust pm to dpms */
2618 	amdgpu_dpm_compute_clocks(adev);
2619 }
2620 
dce_v11_0_crtc_prepare(struct drm_crtc * crtc)2621 static void dce_v11_0_crtc_prepare(struct drm_crtc *crtc)
2622 {
2623 	/* disable crtc pair power gating before programming */
2624 	amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2625 	amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2626 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2627 }
2628 
dce_v11_0_crtc_commit(struct drm_crtc * crtc)2629 static void dce_v11_0_crtc_commit(struct drm_crtc *crtc)
2630 {
2631 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2632 	amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2633 }
2634 
dce_v11_0_crtc_disable(struct drm_crtc * crtc)2635 static void dce_v11_0_crtc_disable(struct drm_crtc *crtc)
2636 {
2637 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2638 	struct drm_device *dev = crtc->dev;
2639 	struct amdgpu_device *adev = drm_to_adev(dev);
2640 	struct amdgpu_atom_ss ss;
2641 	int i;
2642 
2643 	dce_v11_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2644 	if (crtc->primary->fb) {
2645 		int r;
2646 		struct amdgpu_bo *abo;
2647 
2648 		abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2649 		r = amdgpu_bo_reserve(abo, true);
2650 		if (unlikely(r))
2651 			DRM_ERROR("failed to reserve abo before unpin\n");
2652 		else {
2653 			amdgpu_bo_unpin(abo);
2654 			amdgpu_bo_unreserve(abo);
2655 		}
2656 	}
2657 	/* disable the GRPH */
2658 	dce_v11_0_grph_enable(crtc, false);
2659 
2660 	amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2661 
2662 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2663 		if (adev->mode_info.crtcs[i] &&
2664 		    adev->mode_info.crtcs[i]->enabled &&
2665 		    i != amdgpu_crtc->crtc_id &&
2666 		    amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2667 			/* one other crtc is using this pll don't turn
2668 			 * off the pll
2669 			 */
2670 			goto done;
2671 		}
2672 	}
2673 
2674 	switch (amdgpu_crtc->pll_id) {
2675 	case ATOM_PPLL0:
2676 	case ATOM_PPLL1:
2677 	case ATOM_PPLL2:
2678 		/* disable the ppll */
2679 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2680 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2681 		break;
2682 	case ATOM_COMBOPHY_PLL0:
2683 	case ATOM_COMBOPHY_PLL1:
2684 	case ATOM_COMBOPHY_PLL2:
2685 	case ATOM_COMBOPHY_PLL3:
2686 	case ATOM_COMBOPHY_PLL4:
2687 	case ATOM_COMBOPHY_PLL5:
2688 		/* disable the ppll */
2689 		amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id,
2690 						 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2691 		break;
2692 	default:
2693 		break;
2694 	}
2695 done:
2696 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2697 	amdgpu_crtc->adjusted_clock = 0;
2698 	amdgpu_crtc->encoder = NULL;
2699 	amdgpu_crtc->connector = NULL;
2700 }
2701 
dce_v11_0_crtc_mode_set(struct drm_crtc * crtc,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode,int x,int y,struct drm_framebuffer * old_fb)2702 static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc,
2703 				  struct drm_display_mode *mode,
2704 				  struct drm_display_mode *adjusted_mode,
2705 				  int x, int y, struct drm_framebuffer *old_fb)
2706 {
2707 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2708 	struct drm_device *dev = crtc->dev;
2709 	struct amdgpu_device *adev = drm_to_adev(dev);
2710 
2711 	if (!amdgpu_crtc->adjusted_clock)
2712 		return -EINVAL;
2713 
2714 	if ((adev->asic_type == CHIP_POLARIS10) ||
2715 	    (adev->asic_type == CHIP_POLARIS11) ||
2716 	    (adev->asic_type == CHIP_POLARIS12) ||
2717 	    (adev->asic_type == CHIP_VEGAM)) {
2718 		struct amdgpu_encoder *amdgpu_encoder =
2719 			to_amdgpu_encoder(amdgpu_crtc->encoder);
2720 		int encoder_mode =
2721 			amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder);
2722 
2723 		/* SetPixelClock calculates the plls and ss values now */
2724 		amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id,
2725 						 amdgpu_crtc->pll_id,
2726 						 encoder_mode, amdgpu_encoder->encoder_id,
2727 						 adjusted_mode->clock, 0, 0, 0, 0,
2728 						 amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss);
2729 	} else {
2730 		amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2731 	}
2732 	amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2733 	dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2734 	amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2735 	amdgpu_atombios_crtc_scaler_setup(crtc);
2736 	dce_v11_0_cursor_reset(crtc);
2737 	/* update the hw version fpr dpm */
2738 	amdgpu_crtc->hw_mode = *adjusted_mode;
2739 
2740 	return 0;
2741 }
2742 
dce_v11_0_crtc_mode_fixup(struct drm_crtc * crtc,const struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)2743 static bool dce_v11_0_crtc_mode_fixup(struct drm_crtc *crtc,
2744 				     const struct drm_display_mode *mode,
2745 				     struct drm_display_mode *adjusted_mode)
2746 {
2747 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2748 	struct drm_device *dev = crtc->dev;
2749 	struct drm_encoder *encoder;
2750 
2751 	/* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2752 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2753 		if (encoder->crtc == crtc) {
2754 			amdgpu_crtc->encoder = encoder;
2755 			amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2756 			break;
2757 		}
2758 	}
2759 	if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2760 		amdgpu_crtc->encoder = NULL;
2761 		amdgpu_crtc->connector = NULL;
2762 		return false;
2763 	}
2764 	if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2765 		return false;
2766 	if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2767 		return false;
2768 	/* pick pll */
2769 	amdgpu_crtc->pll_id = dce_v11_0_pick_pll(crtc);
2770 	/* if we can't get a PPLL for a non-DP encoder, fail */
2771 	if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2772 	    !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2773 		return false;
2774 
2775 	return true;
2776 }
2777 
dce_v11_0_crtc_set_base(struct drm_crtc * crtc,int x,int y,struct drm_framebuffer * old_fb)2778 static int dce_v11_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2779 				  struct drm_framebuffer *old_fb)
2780 {
2781 	return dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2782 }
2783 
dce_v11_0_crtc_set_base_atomic(struct drm_crtc * crtc,struct drm_framebuffer * fb,int x,int y,enum mode_set_atomic state)2784 static int dce_v11_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2785 					 struct drm_framebuffer *fb,
2786 					 int x, int y, enum mode_set_atomic state)
2787 {
2788 	return dce_v11_0_crtc_do_set_base(crtc, fb, x, y, 1);
2789 }
2790 
2791 static const struct drm_crtc_helper_funcs dce_v11_0_crtc_helper_funcs = {
2792 	.dpms = dce_v11_0_crtc_dpms,
2793 	.mode_fixup = dce_v11_0_crtc_mode_fixup,
2794 	.mode_set = dce_v11_0_crtc_mode_set,
2795 	.mode_set_base = dce_v11_0_crtc_set_base,
2796 	.mode_set_base_atomic = dce_v11_0_crtc_set_base_atomic,
2797 	.prepare = dce_v11_0_crtc_prepare,
2798 	.commit = dce_v11_0_crtc_commit,
2799 	.disable = dce_v11_0_crtc_disable,
2800 	.get_scanout_position = amdgpu_crtc_get_scanout_position,
2801 };
2802 
dce_v11_0_crtc_init(struct amdgpu_device * adev,int index)2803 static int dce_v11_0_crtc_init(struct amdgpu_device *adev, int index)
2804 {
2805 	struct amdgpu_crtc *amdgpu_crtc;
2806 
2807 	amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2808 			      (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2809 	if (amdgpu_crtc == NULL)
2810 		return -ENOMEM;
2811 
2812 	drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v11_0_crtc_funcs);
2813 
2814 	drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2815 	amdgpu_crtc->crtc_id = index;
2816 	adev->mode_info.crtcs[index] = amdgpu_crtc;
2817 
2818 	amdgpu_crtc->max_cursor_width = 128;
2819 	amdgpu_crtc->max_cursor_height = 128;
2820 	adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2821 	adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2822 
2823 	switch (amdgpu_crtc->crtc_id) {
2824 	case 0:
2825 	default:
2826 		amdgpu_crtc->crtc_offset = CRTC0_REGISTER_OFFSET;
2827 		break;
2828 	case 1:
2829 		amdgpu_crtc->crtc_offset = CRTC1_REGISTER_OFFSET;
2830 		break;
2831 	case 2:
2832 		amdgpu_crtc->crtc_offset = CRTC2_REGISTER_OFFSET;
2833 		break;
2834 	case 3:
2835 		amdgpu_crtc->crtc_offset = CRTC3_REGISTER_OFFSET;
2836 		break;
2837 	case 4:
2838 		amdgpu_crtc->crtc_offset = CRTC4_REGISTER_OFFSET;
2839 		break;
2840 	case 5:
2841 		amdgpu_crtc->crtc_offset = CRTC5_REGISTER_OFFSET;
2842 		break;
2843 	}
2844 
2845 	amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2846 	amdgpu_crtc->adjusted_clock = 0;
2847 	amdgpu_crtc->encoder = NULL;
2848 	amdgpu_crtc->connector = NULL;
2849 	drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v11_0_crtc_helper_funcs);
2850 
2851 	return 0;
2852 }
2853 
dce_v11_0_early_init(void * handle)2854 static int dce_v11_0_early_init(void *handle)
2855 {
2856 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2857 
2858 	adev->audio_endpt_rreg = &dce_v11_0_audio_endpt_rreg;
2859 	adev->audio_endpt_wreg = &dce_v11_0_audio_endpt_wreg;
2860 
2861 	dce_v11_0_set_display_funcs(adev);
2862 
2863 	adev->mode_info.num_crtc = dce_v11_0_get_num_crtc(adev);
2864 
2865 	switch (adev->asic_type) {
2866 	case CHIP_CARRIZO:
2867 		adev->mode_info.num_hpd = 6;
2868 		adev->mode_info.num_dig = 9;
2869 		break;
2870 	case CHIP_STONEY:
2871 		adev->mode_info.num_hpd = 6;
2872 		adev->mode_info.num_dig = 9;
2873 		break;
2874 	case CHIP_POLARIS10:
2875 	case CHIP_VEGAM:
2876 		adev->mode_info.num_hpd = 6;
2877 		adev->mode_info.num_dig = 6;
2878 		break;
2879 	case CHIP_POLARIS11:
2880 	case CHIP_POLARIS12:
2881 		adev->mode_info.num_hpd = 5;
2882 		adev->mode_info.num_dig = 5;
2883 		break;
2884 	default:
2885 		/* FIXME: not supported yet */
2886 		return -EINVAL;
2887 	}
2888 
2889 	dce_v11_0_set_irq_funcs(adev);
2890 
2891 	return 0;
2892 }
2893 
dce_v11_0_sw_init(void * handle)2894 static int dce_v11_0_sw_init(void *handle)
2895 {
2896 	int r, i;
2897 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2898 
2899 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2900 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2901 		if (r)
2902 			return r;
2903 	}
2904 
2905 	for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP; i < 20; i += 2) {
2906 		r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2907 		if (r)
2908 			return r;
2909 	}
2910 
2911 	/* HPD hotplug */
2912 	r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
2913 	if (r)
2914 		return r;
2915 
2916 	adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2917 
2918 	adev_to_drm(adev)->mode_config.async_page_flip = true;
2919 
2920 	adev_to_drm(adev)->mode_config.max_width = 16384;
2921 	adev_to_drm(adev)->mode_config.max_height = 16384;
2922 
2923 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
2924 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2925 
2926 	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2927 
2928 	r = amdgpu_display_modeset_create_props(adev);
2929 	if (r)
2930 		return r;
2931 
2932 	adev_to_drm(adev)->mode_config.max_width = 16384;
2933 	adev_to_drm(adev)->mode_config.max_height = 16384;
2934 
2935 
2936 	/* allocate crtcs */
2937 	for (i = 0; i < adev->mode_info.num_crtc; i++) {
2938 		r = dce_v11_0_crtc_init(adev, i);
2939 		if (r)
2940 			return r;
2941 	}
2942 
2943 	if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2944 		amdgpu_display_print_display_setup(adev_to_drm(adev));
2945 	else
2946 		return -EINVAL;
2947 
2948 	/* setup afmt */
2949 	r = dce_v11_0_afmt_init(adev);
2950 	if (r)
2951 		return r;
2952 
2953 	r = dce_v11_0_audio_init(adev);
2954 	if (r)
2955 		return r;
2956 
2957 	/* Disable vblank IRQs aggressively for power-saving */
2958 	/* XXX: can this be enabled for DC? */
2959 	adev_to_drm(adev)->vblank_disable_immediate = true;
2960 
2961 	r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2962 	if (r)
2963 		return r;
2964 
2965 	INIT_DELAYED_WORK(&adev->hotplug_work,
2966 		  amdgpu_display_hotplug_work_func);
2967 
2968 	drm_kms_helper_poll_init(adev_to_drm(adev));
2969 
2970 	adev->mode_info.mode_config_initialized = true;
2971 	return 0;
2972 }
2973 
dce_v11_0_sw_fini(void * handle)2974 static int dce_v11_0_sw_fini(void *handle)
2975 {
2976 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2977 
2978 	drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2979 
2980 	drm_kms_helper_poll_fini(adev_to_drm(adev));
2981 
2982 	dce_v11_0_audio_fini(adev);
2983 
2984 	dce_v11_0_afmt_fini(adev);
2985 
2986 	drm_mode_config_cleanup(adev_to_drm(adev));
2987 	adev->mode_info.mode_config_initialized = false;
2988 
2989 	return 0;
2990 }
2991 
dce_v11_0_hw_init(void * handle)2992 static int dce_v11_0_hw_init(void *handle)
2993 {
2994 	int i;
2995 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2996 
2997 	dce_v11_0_init_golden_registers(adev);
2998 
2999 	/* disable vga render */
3000 	dce_v11_0_set_vga_render_state(adev, false);
3001 	/* init dig PHYs, disp eng pll */
3002 	amdgpu_atombios_crtc_powergate_init(adev);
3003 	amdgpu_atombios_encoder_init_dig(adev);
3004 	if ((adev->asic_type == CHIP_POLARIS10) ||
3005 	    (adev->asic_type == CHIP_POLARIS11) ||
3006 	    (adev->asic_type == CHIP_POLARIS12) ||
3007 	    (adev->asic_type == CHIP_VEGAM)) {
3008 		amdgpu_atombios_crtc_set_dce_clock(adev, adev->clock.default_dispclk,
3009 						   DCE_CLOCK_TYPE_DISPCLK, ATOM_GCK_DFS);
3010 		amdgpu_atombios_crtc_set_dce_clock(adev, 0,
3011 						   DCE_CLOCK_TYPE_DPREFCLK, ATOM_GCK_DFS);
3012 	} else {
3013 		amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
3014 	}
3015 
3016 	/* initialize hpd */
3017 	dce_v11_0_hpd_init(adev);
3018 
3019 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3020 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3021 	}
3022 
3023 	dce_v11_0_pageflip_interrupt_init(adev);
3024 
3025 	return 0;
3026 }
3027 
dce_v11_0_hw_fini(void * handle)3028 static int dce_v11_0_hw_fini(void *handle)
3029 {
3030 	int i;
3031 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3032 
3033 	dce_v11_0_hpd_fini(adev);
3034 
3035 	for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
3036 		dce_v11_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
3037 	}
3038 
3039 	dce_v11_0_pageflip_interrupt_fini(adev);
3040 
3041 	flush_delayed_work(&adev->hotplug_work);
3042 
3043 	return 0;
3044 }
3045 
dce_v11_0_suspend(void * handle)3046 static int dce_v11_0_suspend(void *handle)
3047 {
3048 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3049 	int r;
3050 
3051 	r = amdgpu_display_suspend_helper(adev);
3052 	if (r)
3053 		return r;
3054 
3055 	adev->mode_info.bl_level =
3056 		amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
3057 
3058 	return dce_v11_0_hw_fini(handle);
3059 }
3060 
dce_v11_0_resume(void * handle)3061 static int dce_v11_0_resume(void *handle)
3062 {
3063 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3064 	int ret;
3065 
3066 	amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
3067 							   adev->mode_info.bl_level);
3068 
3069 	ret = dce_v11_0_hw_init(handle);
3070 
3071 	/* turn on the BL */
3072 	if (adev->mode_info.bl_encoder) {
3073 		u8 bl_level = amdgpu_display_backlight_get_level(adev,
3074 								  adev->mode_info.bl_encoder);
3075 		amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
3076 						    bl_level);
3077 	}
3078 	if (ret)
3079 		return ret;
3080 
3081 	return amdgpu_display_resume_helper(adev);
3082 }
3083 
dce_v11_0_is_idle(void * handle)3084 static bool dce_v11_0_is_idle(void *handle)
3085 {
3086 	return true;
3087 }
3088 
dce_v11_0_wait_for_idle(void * handle)3089 static int dce_v11_0_wait_for_idle(void *handle)
3090 {
3091 	return 0;
3092 }
3093 
dce_v11_0_soft_reset(void * handle)3094 static int dce_v11_0_soft_reset(void *handle)
3095 {
3096 	u32 srbm_soft_reset = 0, tmp;
3097 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
3098 
3099 	if (dce_v11_0_is_display_hung(adev))
3100 		srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
3101 
3102 	if (srbm_soft_reset) {
3103 		tmp = RREG32(mmSRBM_SOFT_RESET);
3104 		tmp |= srbm_soft_reset;
3105 		dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3106 		WREG32(mmSRBM_SOFT_RESET, tmp);
3107 		tmp = RREG32(mmSRBM_SOFT_RESET);
3108 
3109 		udelay(50);
3110 
3111 		tmp &= ~srbm_soft_reset;
3112 		WREG32(mmSRBM_SOFT_RESET, tmp);
3113 		tmp = RREG32(mmSRBM_SOFT_RESET);
3114 
3115 		/* Wait a little for things to settle down */
3116 		udelay(50);
3117 	}
3118 	return 0;
3119 }
3120 
dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device * adev,int crtc,enum amdgpu_interrupt_state state)3121 static void dce_v11_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
3122 						     int crtc,
3123 						     enum amdgpu_interrupt_state state)
3124 {
3125 	u32 lb_interrupt_mask;
3126 
3127 	if (crtc >= adev->mode_info.num_crtc) {
3128 		DRM_DEBUG("invalid crtc %d\n", crtc);
3129 		return;
3130 	}
3131 
3132 	switch (state) {
3133 	case AMDGPU_IRQ_STATE_DISABLE:
3134 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3135 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3136 						  VBLANK_INTERRUPT_MASK, 0);
3137 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3138 		break;
3139 	case AMDGPU_IRQ_STATE_ENABLE:
3140 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3141 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3142 						  VBLANK_INTERRUPT_MASK, 1);
3143 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3144 		break;
3145 	default:
3146 		break;
3147 	}
3148 }
3149 
dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device * adev,int crtc,enum amdgpu_interrupt_state state)3150 static void dce_v11_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
3151 						    int crtc,
3152 						    enum amdgpu_interrupt_state state)
3153 {
3154 	u32 lb_interrupt_mask;
3155 
3156 	if (crtc >= adev->mode_info.num_crtc) {
3157 		DRM_DEBUG("invalid crtc %d\n", crtc);
3158 		return;
3159 	}
3160 
3161 	switch (state) {
3162 	case AMDGPU_IRQ_STATE_DISABLE:
3163 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3164 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3165 						  VLINE_INTERRUPT_MASK, 0);
3166 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3167 		break;
3168 	case AMDGPU_IRQ_STATE_ENABLE:
3169 		lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc]);
3170 		lb_interrupt_mask = REG_SET_FIELD(lb_interrupt_mask, LB_INTERRUPT_MASK,
3171 						  VLINE_INTERRUPT_MASK, 1);
3172 		WREG32(mmLB_INTERRUPT_MASK + crtc_offsets[crtc], lb_interrupt_mask);
3173 		break;
3174 	default:
3175 		break;
3176 	}
3177 }
3178 
dce_v11_0_set_hpd_irq_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned hpd,enum amdgpu_interrupt_state state)3179 static int dce_v11_0_set_hpd_irq_state(struct amdgpu_device *adev,
3180 					struct amdgpu_irq_src *source,
3181 					unsigned hpd,
3182 					enum amdgpu_interrupt_state state)
3183 {
3184 	u32 tmp;
3185 
3186 	if (hpd >= adev->mode_info.num_hpd) {
3187 		DRM_DEBUG("invalid hdp %d\n", hpd);
3188 		return 0;
3189 	}
3190 
3191 	switch (state) {
3192 	case AMDGPU_IRQ_STATE_DISABLE:
3193 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3194 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0);
3195 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3196 		break;
3197 	case AMDGPU_IRQ_STATE_ENABLE:
3198 		tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3199 		tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 1);
3200 		WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3201 		break;
3202 	default:
3203 		break;
3204 	}
3205 
3206 	return 0;
3207 }
3208 
dce_v11_0_set_crtc_irq_state(struct amdgpu_device * adev,struct amdgpu_irq_src * source,unsigned type,enum amdgpu_interrupt_state state)3209 static int dce_v11_0_set_crtc_irq_state(struct amdgpu_device *adev,
3210 					struct amdgpu_irq_src *source,
3211 					unsigned type,
3212 					enum amdgpu_interrupt_state state)
3213 {
3214 	switch (type) {
3215 	case AMDGPU_CRTC_IRQ_VBLANK1:
3216 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3217 		break;
3218 	case AMDGPU_CRTC_IRQ_VBLANK2:
3219 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3220 		break;
3221 	case AMDGPU_CRTC_IRQ_VBLANK3:
3222 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3223 		break;
3224 	case AMDGPU_CRTC_IRQ_VBLANK4:
3225 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3226 		break;
3227 	case AMDGPU_CRTC_IRQ_VBLANK5:
3228 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3229 		break;
3230 	case AMDGPU_CRTC_IRQ_VBLANK6:
3231 		dce_v11_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3232 		break;
3233 	case AMDGPU_CRTC_IRQ_VLINE1:
3234 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 0, state);
3235 		break;
3236 	case AMDGPU_CRTC_IRQ_VLINE2:
3237 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 1, state);
3238 		break;
3239 	case AMDGPU_CRTC_IRQ_VLINE3:
3240 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 2, state);
3241 		break;
3242 	case AMDGPU_CRTC_IRQ_VLINE4:
3243 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 3, state);
3244 		break;
3245 	case AMDGPU_CRTC_IRQ_VLINE5:
3246 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 4, state);
3247 		break;
3248 	 case AMDGPU_CRTC_IRQ_VLINE6:
3249 		dce_v11_0_set_crtc_vline_interrupt_state(adev, 5, state);
3250 		break;
3251 	default:
3252 		break;
3253 	}
3254 	return 0;
3255 }
3256 
dce_v11_0_set_pageflip_irq_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)3257 static int dce_v11_0_set_pageflip_irq_state(struct amdgpu_device *adev,
3258 					    struct amdgpu_irq_src *src,
3259 					    unsigned type,
3260 					    enum amdgpu_interrupt_state state)
3261 {
3262 	u32 reg;
3263 
3264 	if (type >= adev->mode_info.num_crtc) {
3265 		DRM_ERROR("invalid pageflip crtc %d\n", type);
3266 		return -EINVAL;
3267 	}
3268 
3269 	reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3270 	if (state == AMDGPU_IRQ_STATE_DISABLE)
3271 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3272 		       reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3273 	else
3274 		WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3275 		       reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3276 
3277 	return 0;
3278 }
3279 
dce_v11_0_pageflip_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3280 static int dce_v11_0_pageflip_irq(struct amdgpu_device *adev,
3281 				  struct amdgpu_irq_src *source,
3282 				  struct amdgpu_iv_entry *entry)
3283 {
3284 	unsigned long flags;
3285 	unsigned crtc_id;
3286 	struct amdgpu_crtc *amdgpu_crtc;
3287 	struct amdgpu_flip_work *works;
3288 
3289 	crtc_id = (entry->src_id - 8) >> 1;
3290 	amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3291 
3292 	if (crtc_id >= adev->mode_info.num_crtc) {
3293 		DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3294 		return -EINVAL;
3295 	}
3296 
3297 	if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3298 	    GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3299 		WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3300 		       GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3301 
3302 	/* IRQ could occur when in initial stage */
3303 	if(amdgpu_crtc == NULL)
3304 		return 0;
3305 
3306 	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3307 	works = amdgpu_crtc->pflip_works;
3308 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3309 		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3310 						 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3311 						 amdgpu_crtc->pflip_status,
3312 						 AMDGPU_FLIP_SUBMITTED);
3313 		spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3314 		return 0;
3315 	}
3316 
3317 	/* page flip completed. clean up */
3318 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3319 	amdgpu_crtc->pflip_works = NULL;
3320 
3321 	/* wakeup usersapce */
3322 	if(works->event)
3323 		drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3324 
3325 	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3326 
3327 	drm_crtc_vblank_put(&amdgpu_crtc->base);
3328 	schedule_work(&works->unpin_work);
3329 
3330 	return 0;
3331 }
3332 
dce_v11_0_hpd_int_ack(struct amdgpu_device * adev,int hpd)3333 static void dce_v11_0_hpd_int_ack(struct amdgpu_device *adev,
3334 				  int hpd)
3335 {
3336 	u32 tmp;
3337 
3338 	if (hpd >= adev->mode_info.num_hpd) {
3339 		DRM_DEBUG("invalid hdp %d\n", hpd);
3340 		return;
3341 	}
3342 
3343 	tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]);
3344 	tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_ACK, 1);
3345 	WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp);
3346 }
3347 
dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device * adev,int crtc)3348 static void dce_v11_0_crtc_vblank_int_ack(struct amdgpu_device *adev,
3349 					  int crtc)
3350 {
3351 	u32 tmp;
3352 
3353 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3354 		DRM_DEBUG("invalid crtc %d\n", crtc);
3355 		return;
3356 	}
3357 
3358 	tmp = RREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc]);
3359 	tmp = REG_SET_FIELD(tmp, LB_VBLANK_STATUS, VBLANK_ACK, 1);
3360 	WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], tmp);
3361 }
3362 
dce_v11_0_crtc_vline_int_ack(struct amdgpu_device * adev,int crtc)3363 static void dce_v11_0_crtc_vline_int_ack(struct amdgpu_device *adev,
3364 					 int crtc)
3365 {
3366 	u32 tmp;
3367 
3368 	if (crtc < 0 || crtc >= adev->mode_info.num_crtc) {
3369 		DRM_DEBUG("invalid crtc %d\n", crtc);
3370 		return;
3371 	}
3372 
3373 	tmp = RREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc]);
3374 	tmp = REG_SET_FIELD(tmp, LB_VLINE_STATUS, VLINE_ACK, 1);
3375 	WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], tmp);
3376 }
3377 
dce_v11_0_crtc_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3378 static int dce_v11_0_crtc_irq(struct amdgpu_device *adev,
3379 				struct amdgpu_irq_src *source,
3380 				struct amdgpu_iv_entry *entry)
3381 {
3382 	unsigned crtc = entry->src_id - 1;
3383 	uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3384 	unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3385 								    crtc);
3386 
3387 	switch (entry->src_data[0]) {
3388 	case 0: /* vblank */
3389 		if (disp_int & interrupt_status_offsets[crtc].vblank)
3390 			dce_v11_0_crtc_vblank_int_ack(adev, crtc);
3391 		else
3392 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3393 
3394 		if (amdgpu_irq_enabled(adev, source, irq_type)) {
3395 			drm_handle_vblank(adev_to_drm(adev), crtc);
3396 		}
3397 		DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3398 
3399 		break;
3400 	case 1: /* vline */
3401 		if (disp_int & interrupt_status_offsets[crtc].vline)
3402 			dce_v11_0_crtc_vline_int_ack(adev, crtc);
3403 		else
3404 			DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3405 
3406 		DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3407 
3408 		break;
3409 	default:
3410 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3411 		break;
3412 	}
3413 
3414 	return 0;
3415 }
3416 
dce_v11_0_hpd_irq(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)3417 static int dce_v11_0_hpd_irq(struct amdgpu_device *adev,
3418 			     struct amdgpu_irq_src *source,
3419 			     struct amdgpu_iv_entry *entry)
3420 {
3421 	uint32_t disp_int, mask;
3422 	unsigned hpd;
3423 
3424 	if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3425 		DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3426 		return 0;
3427 	}
3428 
3429 	hpd = entry->src_data[0];
3430 	disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3431 	mask = interrupt_status_offsets[hpd].hpd;
3432 
3433 	if (disp_int & mask) {
3434 		dce_v11_0_hpd_int_ack(adev, hpd);
3435 		schedule_delayed_work(&adev->hotplug_work, 0);
3436 		DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3437 	}
3438 
3439 	return 0;
3440 }
3441 
dce_v11_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)3442 static int dce_v11_0_set_clockgating_state(void *handle,
3443 					  enum amd_clockgating_state state)
3444 {
3445 	return 0;
3446 }
3447 
dce_v11_0_set_powergating_state(void * handle,enum amd_powergating_state state)3448 static int dce_v11_0_set_powergating_state(void *handle,
3449 					  enum amd_powergating_state state)
3450 {
3451 	return 0;
3452 }
3453 
3454 static const struct amd_ip_funcs dce_v11_0_ip_funcs = {
3455 	.name = "dce_v11_0",
3456 	.early_init = dce_v11_0_early_init,
3457 	.late_init = NULL,
3458 	.sw_init = dce_v11_0_sw_init,
3459 	.sw_fini = dce_v11_0_sw_fini,
3460 	.hw_init = dce_v11_0_hw_init,
3461 	.hw_fini = dce_v11_0_hw_fini,
3462 	.suspend = dce_v11_0_suspend,
3463 	.resume = dce_v11_0_resume,
3464 	.is_idle = dce_v11_0_is_idle,
3465 	.wait_for_idle = dce_v11_0_wait_for_idle,
3466 	.soft_reset = dce_v11_0_soft_reset,
3467 	.set_clockgating_state = dce_v11_0_set_clockgating_state,
3468 	.set_powergating_state = dce_v11_0_set_powergating_state,
3469 	.dump_ip_state = NULL,
3470 	.print_ip_state = NULL,
3471 };
3472 
3473 static void
dce_v11_0_encoder_mode_set(struct drm_encoder * encoder,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)3474 dce_v11_0_encoder_mode_set(struct drm_encoder *encoder,
3475 			  struct drm_display_mode *mode,
3476 			  struct drm_display_mode *adjusted_mode)
3477 {
3478 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3479 
3480 	amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3481 
3482 	/* need to call this here rather than in prepare() since we need some crtc info */
3483 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3484 
3485 	/* set scaler clears this on some chips */
3486 	dce_v11_0_set_interleave(encoder->crtc, mode);
3487 
3488 	if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3489 		dce_v11_0_afmt_enable(encoder, true);
3490 		dce_v11_0_afmt_setmode(encoder, adjusted_mode);
3491 	}
3492 }
3493 
dce_v11_0_encoder_prepare(struct drm_encoder * encoder)3494 static void dce_v11_0_encoder_prepare(struct drm_encoder *encoder)
3495 {
3496 	struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3497 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3498 	struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3499 
3500 	if ((amdgpu_encoder->active_device &
3501 	     (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3502 	    (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3503 	     ENCODER_OBJECT_ID_NONE)) {
3504 		struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3505 		if (dig) {
3506 			dig->dig_encoder = dce_v11_0_pick_dig_encoder(encoder);
3507 			if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3508 				dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3509 		}
3510 	}
3511 
3512 	amdgpu_atombios_scratch_regs_lock(adev, true);
3513 
3514 	if (connector) {
3515 		struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3516 
3517 		/* select the clock/data port if it uses a router */
3518 		if (amdgpu_connector->router.cd_valid)
3519 			amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3520 
3521 		/* turn eDP panel on for mode set */
3522 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3523 			amdgpu_atombios_encoder_set_edp_panel_power(connector,
3524 							     ATOM_TRANSMITTER_ACTION_POWER_ON);
3525 	}
3526 
3527 	/* this is needed for the pll/ss setup to work correctly in some cases */
3528 	amdgpu_atombios_encoder_set_crtc_source(encoder);
3529 	/* set up the FMT blocks */
3530 	dce_v11_0_program_fmt(encoder);
3531 }
3532 
dce_v11_0_encoder_commit(struct drm_encoder * encoder)3533 static void dce_v11_0_encoder_commit(struct drm_encoder *encoder)
3534 {
3535 	struct drm_device *dev = encoder->dev;
3536 	struct amdgpu_device *adev = drm_to_adev(dev);
3537 
3538 	/* need to call this here as we need the crtc set up */
3539 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3540 	amdgpu_atombios_scratch_regs_lock(adev, false);
3541 }
3542 
dce_v11_0_encoder_disable(struct drm_encoder * encoder)3543 static void dce_v11_0_encoder_disable(struct drm_encoder *encoder)
3544 {
3545 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3546 	struct amdgpu_encoder_atom_dig *dig;
3547 
3548 	amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3549 
3550 	if (amdgpu_atombios_encoder_is_digital(encoder)) {
3551 		if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3552 			dce_v11_0_afmt_enable(encoder, false);
3553 		dig = amdgpu_encoder->enc_priv;
3554 		dig->dig_encoder = -1;
3555 	}
3556 	amdgpu_encoder->active_device = 0;
3557 }
3558 
3559 /* these are handled by the primary encoders */
dce_v11_0_ext_prepare(struct drm_encoder * encoder)3560 static void dce_v11_0_ext_prepare(struct drm_encoder *encoder)
3561 {
3562 
3563 }
3564 
dce_v11_0_ext_commit(struct drm_encoder * encoder)3565 static void dce_v11_0_ext_commit(struct drm_encoder *encoder)
3566 {
3567 
3568 }
3569 
3570 static void
dce_v11_0_ext_mode_set(struct drm_encoder * encoder,struct drm_display_mode * mode,struct drm_display_mode * adjusted_mode)3571 dce_v11_0_ext_mode_set(struct drm_encoder *encoder,
3572 		      struct drm_display_mode *mode,
3573 		      struct drm_display_mode *adjusted_mode)
3574 {
3575 
3576 }
3577 
dce_v11_0_ext_disable(struct drm_encoder * encoder)3578 static void dce_v11_0_ext_disable(struct drm_encoder *encoder)
3579 {
3580 
3581 }
3582 
3583 static void
dce_v11_0_ext_dpms(struct drm_encoder * encoder,int mode)3584 dce_v11_0_ext_dpms(struct drm_encoder *encoder, int mode)
3585 {
3586 
3587 }
3588 
3589 static const struct drm_encoder_helper_funcs dce_v11_0_ext_helper_funcs = {
3590 	.dpms = dce_v11_0_ext_dpms,
3591 	.prepare = dce_v11_0_ext_prepare,
3592 	.mode_set = dce_v11_0_ext_mode_set,
3593 	.commit = dce_v11_0_ext_commit,
3594 	.disable = dce_v11_0_ext_disable,
3595 	/* no detect for TMDS/LVDS yet */
3596 };
3597 
3598 static const struct drm_encoder_helper_funcs dce_v11_0_dig_helper_funcs = {
3599 	.dpms = amdgpu_atombios_encoder_dpms,
3600 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3601 	.prepare = dce_v11_0_encoder_prepare,
3602 	.mode_set = dce_v11_0_encoder_mode_set,
3603 	.commit = dce_v11_0_encoder_commit,
3604 	.disable = dce_v11_0_encoder_disable,
3605 	.detect = amdgpu_atombios_encoder_dig_detect,
3606 };
3607 
3608 static const struct drm_encoder_helper_funcs dce_v11_0_dac_helper_funcs = {
3609 	.dpms = amdgpu_atombios_encoder_dpms,
3610 	.mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3611 	.prepare = dce_v11_0_encoder_prepare,
3612 	.mode_set = dce_v11_0_encoder_mode_set,
3613 	.commit = dce_v11_0_encoder_commit,
3614 	.detect = amdgpu_atombios_encoder_dac_detect,
3615 };
3616 
dce_v11_0_encoder_destroy(struct drm_encoder * encoder)3617 static void dce_v11_0_encoder_destroy(struct drm_encoder *encoder)
3618 {
3619 	struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3620 	if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3621 		amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3622 	kfree(amdgpu_encoder->enc_priv);
3623 	drm_encoder_cleanup(encoder);
3624 	kfree(amdgpu_encoder);
3625 }
3626 
3627 static const struct drm_encoder_funcs dce_v11_0_encoder_funcs = {
3628 	.destroy = dce_v11_0_encoder_destroy,
3629 };
3630 
dce_v11_0_encoder_add(struct amdgpu_device * adev,uint32_t encoder_enum,uint32_t supported_device,u16 caps)3631 static void dce_v11_0_encoder_add(struct amdgpu_device *adev,
3632 				 uint32_t encoder_enum,
3633 				 uint32_t supported_device,
3634 				 u16 caps)
3635 {
3636 	struct drm_device *dev = adev_to_drm(adev);
3637 	struct drm_encoder *encoder;
3638 	struct amdgpu_encoder *amdgpu_encoder;
3639 
3640 	/* see if we already added it */
3641 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3642 		amdgpu_encoder = to_amdgpu_encoder(encoder);
3643 		if (amdgpu_encoder->encoder_enum == encoder_enum) {
3644 			amdgpu_encoder->devices |= supported_device;
3645 			return;
3646 		}
3647 
3648 	}
3649 
3650 	/* add a new one */
3651 	amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3652 	if (!amdgpu_encoder)
3653 		return;
3654 
3655 	encoder = &amdgpu_encoder->base;
3656 	switch (adev->mode_info.num_crtc) {
3657 	case 1:
3658 		encoder->possible_crtcs = 0x1;
3659 		break;
3660 	case 2:
3661 	default:
3662 		encoder->possible_crtcs = 0x3;
3663 		break;
3664 	case 3:
3665 		encoder->possible_crtcs = 0x7;
3666 		break;
3667 	case 4:
3668 		encoder->possible_crtcs = 0xf;
3669 		break;
3670 	case 5:
3671 		encoder->possible_crtcs = 0x1f;
3672 		break;
3673 	case 6:
3674 		encoder->possible_crtcs = 0x3f;
3675 		break;
3676 	}
3677 
3678 	amdgpu_encoder->enc_priv = NULL;
3679 
3680 	amdgpu_encoder->encoder_enum = encoder_enum;
3681 	amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3682 	amdgpu_encoder->devices = supported_device;
3683 	amdgpu_encoder->rmx_type = RMX_OFF;
3684 	amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3685 	amdgpu_encoder->is_ext_encoder = false;
3686 	amdgpu_encoder->caps = caps;
3687 
3688 	switch (amdgpu_encoder->encoder_id) {
3689 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3690 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3691 		drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3692 				 DRM_MODE_ENCODER_DAC, NULL);
3693 		drm_encoder_helper_add(encoder, &dce_v11_0_dac_helper_funcs);
3694 		break;
3695 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3696 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3697 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3698 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3699 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3700 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3701 			amdgpu_encoder->rmx_type = RMX_FULL;
3702 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3703 					 DRM_MODE_ENCODER_LVDS, NULL);
3704 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3705 		} else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3706 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3707 					 DRM_MODE_ENCODER_DAC, NULL);
3708 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3709 		} else {
3710 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3711 					 DRM_MODE_ENCODER_TMDS, NULL);
3712 			amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3713 		}
3714 		drm_encoder_helper_add(encoder, &dce_v11_0_dig_helper_funcs);
3715 		break;
3716 	case ENCODER_OBJECT_ID_SI170B:
3717 	case ENCODER_OBJECT_ID_CH7303:
3718 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3719 	case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3720 	case ENCODER_OBJECT_ID_TITFP513:
3721 	case ENCODER_OBJECT_ID_VT1623:
3722 	case ENCODER_OBJECT_ID_HDMI_SI1930:
3723 	case ENCODER_OBJECT_ID_TRAVIS:
3724 	case ENCODER_OBJECT_ID_NUTMEG:
3725 		/* these are handled by the primary encoders */
3726 		amdgpu_encoder->is_ext_encoder = true;
3727 		if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3728 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3729 					 DRM_MODE_ENCODER_LVDS, NULL);
3730 		else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3731 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3732 					 DRM_MODE_ENCODER_DAC, NULL);
3733 		else
3734 			drm_encoder_init(dev, encoder, &dce_v11_0_encoder_funcs,
3735 					 DRM_MODE_ENCODER_TMDS, NULL);
3736 		drm_encoder_helper_add(encoder, &dce_v11_0_ext_helper_funcs);
3737 		break;
3738 	}
3739 }
3740 
3741 static const struct amdgpu_display_funcs dce_v11_0_display_funcs = {
3742 	.bandwidth_update = &dce_v11_0_bandwidth_update,
3743 	.vblank_get_counter = &dce_v11_0_vblank_get_counter,
3744 	.backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3745 	.backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3746 	.hpd_sense = &dce_v11_0_hpd_sense,
3747 	.hpd_set_polarity = &dce_v11_0_hpd_set_polarity,
3748 	.hpd_get_gpio_reg = &dce_v11_0_hpd_get_gpio_reg,
3749 	.page_flip = &dce_v11_0_page_flip,
3750 	.page_flip_get_scanoutpos = &dce_v11_0_crtc_get_scanoutpos,
3751 	.add_encoder = &dce_v11_0_encoder_add,
3752 	.add_connector = &amdgpu_connector_add,
3753 };
3754 
dce_v11_0_set_display_funcs(struct amdgpu_device * adev)3755 static void dce_v11_0_set_display_funcs(struct amdgpu_device *adev)
3756 {
3757 	adev->mode_info.funcs = &dce_v11_0_display_funcs;
3758 }
3759 
3760 static const struct amdgpu_irq_src_funcs dce_v11_0_crtc_irq_funcs = {
3761 	.set = dce_v11_0_set_crtc_irq_state,
3762 	.process = dce_v11_0_crtc_irq,
3763 };
3764 
3765 static const struct amdgpu_irq_src_funcs dce_v11_0_pageflip_irq_funcs = {
3766 	.set = dce_v11_0_set_pageflip_irq_state,
3767 	.process = dce_v11_0_pageflip_irq,
3768 };
3769 
3770 static const struct amdgpu_irq_src_funcs dce_v11_0_hpd_irq_funcs = {
3771 	.set = dce_v11_0_set_hpd_irq_state,
3772 	.process = dce_v11_0_hpd_irq,
3773 };
3774 
dce_v11_0_set_irq_funcs(struct amdgpu_device * adev)3775 static void dce_v11_0_set_irq_funcs(struct amdgpu_device *adev)
3776 {
3777 	if (adev->mode_info.num_crtc > 0)
3778 		adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3779 	else
3780 		adev->crtc_irq.num_types = 0;
3781 	adev->crtc_irq.funcs = &dce_v11_0_crtc_irq_funcs;
3782 
3783 	adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3784 	adev->pageflip_irq.funcs = &dce_v11_0_pageflip_irq_funcs;
3785 
3786 	adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3787 	adev->hpd_irq.funcs = &dce_v11_0_hpd_irq_funcs;
3788 }
3789 
3790 const struct amdgpu_ip_block_version dce_v11_0_ip_block =
3791 {
3792 	.type = AMD_IP_BLOCK_TYPE_DCE,
3793 	.major = 11,
3794 	.minor = 0,
3795 	.rev = 0,
3796 	.funcs = &dce_v11_0_ip_funcs,
3797 };
3798 
3799 const struct amdgpu_ip_block_version dce_v11_2_ip_block =
3800 {
3801 	.type = AMD_IP_BLOCK_TYPE_DCE,
3802 	.major = 11,
3803 	.minor = 2,
3804 	.rev = 0,
3805 	.funcs = &dce_v11_0_ip_funcs,
3806 };
3807