1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright 2023 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 
27 //#include "dml2_utils.h"
28 #include "display_mode_core.h"
29 #include "dml_display_rq_dlg_calc.h"
30 #include "dml2_internal_types.h"
31 #include "dml2_translation_helper.h"
32 #include "dml2_utils.h"
33 
dml2_util_copy_dml_timing(struct dml_timing_cfg_st * dml_timing_array,unsigned int dst_index,unsigned int src_index)34 void dml2_util_copy_dml_timing(struct dml_timing_cfg_st *dml_timing_array, unsigned int dst_index, unsigned int src_index)
35 {
36 	dml_timing_array->HTotal[dst_index] = dml_timing_array->HTotal[src_index];
37 	dml_timing_array->VTotal[dst_index] = dml_timing_array->VTotal[src_index];
38 	dml_timing_array->HBlankEnd[dst_index] = dml_timing_array->HBlankEnd[src_index];
39 	dml_timing_array->VBlankEnd[dst_index] = dml_timing_array->VBlankEnd[src_index];
40 	dml_timing_array->RefreshRate[dst_index] = dml_timing_array->RefreshRate[src_index];
41 	dml_timing_array->VFrontPorch[dst_index] = dml_timing_array->VFrontPorch[src_index];
42 	dml_timing_array->PixelClock[dst_index] = dml_timing_array->PixelClock[src_index];
43 	dml_timing_array->HActive[dst_index] = dml_timing_array->HActive[src_index];
44 	dml_timing_array->VActive[dst_index] = dml_timing_array->VActive[src_index];
45 	dml_timing_array->Interlace[dst_index] = dml_timing_array->Interlace[src_index];
46 	dml_timing_array->DRRDisplay[dst_index] = dml_timing_array->DRRDisplay[src_index];
47 	dml_timing_array->VBlankNom[dst_index] = dml_timing_array->VBlankNom[src_index];
48 }
49 
dml2_util_copy_dml_plane(struct dml_plane_cfg_st * dml_plane_array,unsigned int dst_index,unsigned int src_index)50 void dml2_util_copy_dml_plane(struct dml_plane_cfg_st *dml_plane_array, unsigned int dst_index, unsigned int src_index)
51 {
52 	dml_plane_array->GPUVMMinPageSizeKBytes[dst_index] = dml_plane_array->GPUVMMinPageSizeKBytes[src_index];
53 	dml_plane_array->ForceOneRowForFrame[dst_index] = dml_plane_array->ForceOneRowForFrame[src_index];
54 	dml_plane_array->PTEBufferModeOverrideEn[dst_index] = dml_plane_array->PTEBufferModeOverrideEn[src_index];
55 	dml_plane_array->PTEBufferMode[dst_index] = dml_plane_array->PTEBufferMode[src_index];
56 	dml_plane_array->ViewportWidth[dst_index] = dml_plane_array->ViewportWidth[src_index];
57 	dml_plane_array->ViewportHeight[dst_index] = dml_plane_array->ViewportHeight[src_index];
58 	dml_plane_array->ViewportWidthChroma[dst_index] = dml_plane_array->ViewportWidthChroma[src_index];
59 	dml_plane_array->ViewportHeightChroma[dst_index] = dml_plane_array->ViewportHeightChroma[src_index];
60 	dml_plane_array->ViewportXStart[dst_index] = dml_plane_array->ViewportXStart[src_index];
61 	dml_plane_array->ViewportXStartC[dst_index] = dml_plane_array->ViewportXStartC[src_index];
62 	dml_plane_array->ViewportYStart[dst_index] = dml_plane_array->ViewportYStart[src_index];
63 	dml_plane_array->ViewportYStartC[dst_index] = dml_plane_array->ViewportYStartC[src_index];
64 	dml_plane_array->ViewportStationary[dst_index] = dml_plane_array->ViewportStationary[src_index];
65 
66 	dml_plane_array->ScalerEnabled[dst_index] = dml_plane_array->ScalerEnabled[src_index];
67 	dml_plane_array->HRatio[dst_index] = dml_plane_array->HRatio[src_index];
68 	dml_plane_array->VRatio[dst_index] = dml_plane_array->VRatio[src_index];
69 	dml_plane_array->HRatioChroma[dst_index] = dml_plane_array->HRatioChroma[src_index];
70 	dml_plane_array->VRatioChroma[dst_index] = dml_plane_array->VRatioChroma[src_index];
71 	dml_plane_array->HTaps[dst_index] = dml_plane_array->HTaps[src_index];
72 	dml_plane_array->VTaps[dst_index] = dml_plane_array->VTaps[src_index];
73 	dml_plane_array->HTapsChroma[dst_index] = dml_plane_array->HTapsChroma[src_index];
74 	dml_plane_array->VTapsChroma[dst_index] = dml_plane_array->VTapsChroma[src_index];
75 	dml_plane_array->LBBitPerPixel[dst_index] = dml_plane_array->LBBitPerPixel[src_index];
76 
77 	dml_plane_array->SourceScan[dst_index] = dml_plane_array->SourceScan[src_index];
78 	dml_plane_array->ScalerRecoutWidth[dst_index] = dml_plane_array->ScalerRecoutWidth[src_index];
79 
80 	dml_plane_array->DynamicMetadataEnable[dst_index] = dml_plane_array->DynamicMetadataEnable[src_index];
81 	dml_plane_array->DynamicMetadataLinesBeforeActiveRequired[dst_index] = dml_plane_array->DynamicMetadataLinesBeforeActiveRequired[src_index];
82 	dml_plane_array->DynamicMetadataTransmittedBytes[dst_index] = dml_plane_array->DynamicMetadataTransmittedBytes[src_index];
83 	dml_plane_array->DETSizeOverride[dst_index] = dml_plane_array->DETSizeOverride[src_index];
84 
85 	dml_plane_array->NumberOfCursors[dst_index] = dml_plane_array->NumberOfCursors[src_index];
86 	dml_plane_array->CursorWidth[dst_index] = dml_plane_array->CursorWidth[src_index];
87 	dml_plane_array->CursorBPP[dst_index] = dml_plane_array->CursorBPP[src_index];
88 
89 	dml_plane_array->UseMALLForStaticScreen[dst_index] = dml_plane_array->UseMALLForStaticScreen[src_index];
90 	dml_plane_array->UseMALLForPStateChange[dst_index] = dml_plane_array->UseMALLForPStateChange[src_index];
91 
92 	dml_plane_array->BlendingAndTiming[dst_index] = dml_plane_array->BlendingAndTiming[src_index];
93 }
94 
dml2_util_copy_dml_surface(struct dml_surface_cfg_st * dml_surface_array,unsigned int dst_index,unsigned int src_index)95 void dml2_util_copy_dml_surface(struct dml_surface_cfg_st *dml_surface_array, unsigned int dst_index, unsigned int src_index)
96 {
97 	dml_surface_array->SurfaceTiling[dst_index] = dml_surface_array->SurfaceTiling[src_index];
98 	dml_surface_array->SourcePixelFormat[dst_index] = dml_surface_array->SourcePixelFormat[src_index];
99 	dml_surface_array->PitchY[dst_index] = dml_surface_array->PitchY[src_index];
100 	dml_surface_array->SurfaceWidthY[dst_index] = dml_surface_array->SurfaceWidthY[src_index];
101 	dml_surface_array->SurfaceHeightY[dst_index] = dml_surface_array->SurfaceHeightY[src_index];
102 	dml_surface_array->PitchC[dst_index] = dml_surface_array->PitchC[src_index];
103 	dml_surface_array->SurfaceWidthC[dst_index] = dml_surface_array->SurfaceWidthC[src_index];
104 	dml_surface_array->SurfaceHeightC[dst_index] = dml_surface_array->SurfaceHeightC[src_index];
105 
106 	dml_surface_array->DCCEnable[dst_index] = dml_surface_array->DCCEnable[src_index];
107 	dml_surface_array->DCCMetaPitchY[dst_index] = dml_surface_array->DCCMetaPitchY[src_index];
108 	dml_surface_array->DCCMetaPitchC[dst_index] = dml_surface_array->DCCMetaPitchC[src_index];
109 
110 	dml_surface_array->DCCRateLuma[dst_index] = dml_surface_array->DCCRateLuma[src_index];
111 	dml_surface_array->DCCRateChroma[dst_index] = dml_surface_array->DCCRateChroma[src_index];
112 	dml_surface_array->DCCFractionOfZeroSizeRequestsLuma[dst_index] = dml_surface_array->DCCFractionOfZeroSizeRequestsLuma[src_index];
113 	dml_surface_array->DCCFractionOfZeroSizeRequestsChroma[dst_index] = dml_surface_array->DCCFractionOfZeroSizeRequestsChroma[src_index];
114 }
115 
dml2_util_copy_dml_output(struct dml_output_cfg_st * dml_output_array,unsigned int dst_index,unsigned int src_index)116 void dml2_util_copy_dml_output(struct dml_output_cfg_st *dml_output_array, unsigned int dst_index, unsigned int src_index)
117 {
118 	dml_output_array->DSCInputBitPerComponent[dst_index] = dml_output_array->DSCInputBitPerComponent[src_index];
119 	dml_output_array->OutputFormat[dst_index] = dml_output_array->OutputFormat[src_index];
120 	dml_output_array->OutputEncoder[dst_index] = dml_output_array->OutputEncoder[src_index];
121 	dml_output_array->OutputMultistreamId[dst_index] = dml_output_array->OutputMultistreamId[src_index];
122 	dml_output_array->OutputMultistreamEn[dst_index] = dml_output_array->OutputMultistreamEn[src_index];
123 	dml_output_array->OutputBpp[dst_index] = dml_output_array->OutputBpp[src_index];
124 	dml_output_array->PixelClockBackEnd[dst_index] = dml_output_array->PixelClockBackEnd[src_index];
125 	dml_output_array->DSCEnable[dst_index] = dml_output_array->DSCEnable[src_index];
126 	dml_output_array->OutputLinkDPLanes[dst_index] = dml_output_array->OutputLinkDPLanes[src_index];
127 	dml_output_array->OutputLinkDPRate[dst_index] = dml_output_array->OutputLinkDPRate[src_index];
128 	dml_output_array->ForcedOutputLinkBPP[dst_index] = dml_output_array->ForcedOutputLinkBPP[src_index];
129 	dml_output_array->AudioSampleRate[dst_index] = dml_output_array->AudioSampleRate[src_index];
130 	dml_output_array->AudioSampleLayout[dst_index] = dml_output_array->AudioSampleLayout[src_index];
131 }
132 
dml2_util_get_maximum_odm_combine_for_output(bool force_odm_4to1,enum dml_output_encoder_class encoder,bool dsc_enabled)133 unsigned int dml2_util_get_maximum_odm_combine_for_output(bool force_odm_4to1, enum dml_output_encoder_class encoder, bool dsc_enabled)
134 {
135 	switch (encoder) {
136 	case dml_dp:
137 	case dml_edp:
138 		return 2;
139 	case dml_dp2p0:
140 	if (dsc_enabled || force_odm_4to1)
141 		return 4;
142 	else
143 		return 2;
144 	case dml_hdmi:
145 		return 1;
146 	case dml_hdmifrl:
147 	if (force_odm_4to1)
148 		return 4;
149 	else
150 		return 2;
151 	default:
152 		return 1;
153 	}
154 }
155 
is_dp2p0_output_encoder(const struct pipe_ctx * pipe_ctx)156 bool is_dp2p0_output_encoder(const struct pipe_ctx *pipe_ctx)
157 {
158 	if (pipe_ctx == NULL || pipe_ctx->stream == NULL)
159 		return false;
160 
161 	/* If this assert is hit then we have a link encoder dynamic management issue */
162 	ASSERT(pipe_ctx->stream_res.hpo_dp_stream_enc ? pipe_ctx->link_res.hpo_dp_link_enc != NULL : true);
163 
164 	return (pipe_ctx->stream_res.hpo_dp_stream_enc &&
165 		pipe_ctx->link_res.hpo_dp_link_enc &&
166 		dc_is_dp_signal(pipe_ctx->stream->signal));
167 }
168 
is_dtbclk_required(const struct dc * dc,struct dc_state * context)169 bool is_dtbclk_required(const struct dc *dc, struct dc_state *context)
170 {
171 	int i;
172 
173 	for (i = 0; i < dc->res_pool->pipe_count; i++) {
174 		if (!context->res_ctx.pipe_ctx[i].stream)
175 			continue;
176 		if (is_dp2p0_output_encoder(&context->res_ctx.pipe_ctx[i]))
177 			return true;
178 	}
179 	return false;
180 }
181 
dml2_copy_clocks_to_dc_state(struct dml2_dcn_clocks * out_clks,struct dc_state * context)182 void dml2_copy_clocks_to_dc_state(struct dml2_dcn_clocks *out_clks, struct dc_state *context)
183 {
184 	context->bw_ctx.bw.dcn.clk.dispclk_khz = out_clks->dispclk_khz;
185 	context->bw_ctx.bw.dcn.clk.dcfclk_khz = out_clks->dcfclk_khz;
186 	context->bw_ctx.bw.dcn.clk.dramclk_khz = out_clks->uclk_mts / 16;
187 	context->bw_ctx.bw.dcn.clk.fclk_khz = out_clks->fclk_khz;
188 	context->bw_ctx.bw.dcn.clk.phyclk_khz = out_clks->phyclk_khz;
189 	context->bw_ctx.bw.dcn.clk.socclk_khz = out_clks->socclk_khz;
190 	context->bw_ctx.bw.dcn.clk.ref_dtbclk_khz = out_clks->ref_dtbclk_khz;
191 	context->bw_ctx.bw.dcn.clk.p_state_change_support = out_clks->p_state_supported;
192 }
193 
dml2_helper_find_dml_pipe_idx_by_stream_id(struct dml2_context * ctx,unsigned int stream_id)194 int dml2_helper_find_dml_pipe_idx_by_stream_id(struct dml2_context *ctx, unsigned int stream_id)
195 {
196 	int i;
197 	for (i = 0; i < __DML2_WRAPPER_MAX_STREAMS_PLANES__; i++) {
198 		if (ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id_valid[i] && ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id[i] == stream_id)
199 			return  i;
200 	}
201 
202 	return -1;
203 }
204 
find_dml_pipe_idx_by_plane_id(struct dml2_context * ctx,unsigned int plane_id)205 static int find_dml_pipe_idx_by_plane_id(struct dml2_context *ctx, unsigned int plane_id)
206 {
207 	int i;
208 	for (i = 0; i < __DML2_WRAPPER_MAX_STREAMS_PLANES__; i++) {
209 		if (ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_plane_id_valid[i] && ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_plane_id[i] == plane_id)
210 			return  i;
211 	}
212 
213 	return -1;
214 }
215 
get_plane_id(struct dml2_context * dml2,const struct dc_state * state,const struct dc_plane_state * plane,unsigned int stream_id,unsigned int plane_index,unsigned int * plane_id)216 static bool get_plane_id(struct dml2_context *dml2, const struct dc_state *state, const struct dc_plane_state *plane,
217 	unsigned int stream_id, unsigned int plane_index, unsigned int *plane_id)
218 {
219 	unsigned int i, j;
220 	bool is_plane_duplicate = dml2->v20.scratch.plane_duplicate_exists;
221 
222 	if (!plane_id)
223 		return false;
224 
225 	for (i = 0; i < state->stream_count; i++) {
226 		if (state->streams[i]->stream_id == stream_id) {
227 			for (j = 0; j < state->stream_status[i].plane_count; j++) {
228 				if (state->stream_status[i].plane_states[j] == plane &&
229 					(!is_plane_duplicate || (j == plane_index))) {
230 					*plane_id = (i << 16) | j;
231 					return true;
232 				}
233 			}
234 		}
235 	}
236 
237 	return false;
238 }
239 
populate_pipe_ctx_dlg_params_from_dml(struct pipe_ctx * pipe_ctx,struct display_mode_lib_st * mode_lib,dml_uint_t pipe_idx)240 static void populate_pipe_ctx_dlg_params_from_dml(struct pipe_ctx *pipe_ctx, struct display_mode_lib_st *mode_lib, dml_uint_t pipe_idx)
241 {
242 	unsigned int hactive, vactive, hblank_start, vblank_start, hblank_end, vblank_end;
243 	struct dc_crtc_timing *timing = &pipe_ctx->stream->timing;
244 
245 	hactive = timing->h_addressable + timing->h_border_left + timing->h_border_right;
246 	vactive = timing->v_addressable + timing->v_border_bottom + timing->v_border_top;
247 	hblank_start = pipe_ctx->stream->timing.h_total - pipe_ctx->stream->timing.h_front_porch;
248 	vblank_start = pipe_ctx->stream->timing.v_total - pipe_ctx->stream->timing.v_front_porch;
249 
250 	hblank_end = hblank_start - timing->h_addressable - timing->h_border_left - timing->h_border_right;
251 	vblank_end = vblank_start - timing->v_addressable - timing->v_border_top - timing->v_border_bottom;
252 
253 	pipe_ctx->pipe_dlg_param.vstartup_start = dml_get_vstartup_calculated(mode_lib,	pipe_idx);
254 	pipe_ctx->pipe_dlg_param.vupdate_offset = dml_get_vupdate_offset(mode_lib, pipe_idx);
255 	pipe_ctx->pipe_dlg_param.vupdate_width = dml_get_vupdate_width(mode_lib, pipe_idx);
256 	pipe_ctx->pipe_dlg_param.vready_offset = dml_get_vready_offset(mode_lib, pipe_idx);
257 
258 	pipe_ctx->pipe_dlg_param.otg_inst = pipe_ctx->stream_res.tg->inst;
259 
260 	pipe_ctx->pipe_dlg_param.hactive = hactive;
261 	pipe_ctx->pipe_dlg_param.vactive = vactive;
262 	pipe_ctx->pipe_dlg_param.htotal = pipe_ctx->stream->timing.h_total;
263 	pipe_ctx->pipe_dlg_param.vtotal = pipe_ctx->stream->timing.v_total;
264 	pipe_ctx->pipe_dlg_param.hblank_end = hblank_end;
265 	pipe_ctx->pipe_dlg_param.vblank_end = vblank_end;
266 	pipe_ctx->pipe_dlg_param.hblank_start = hblank_start;
267 	pipe_ctx->pipe_dlg_param.vblank_start = vblank_start;
268 	pipe_ctx->pipe_dlg_param.vfront_porch = pipe_ctx->stream->timing.v_front_porch;
269 	pipe_ctx->pipe_dlg_param.pixel_rate_mhz = pipe_ctx->stream->timing.pix_clk_100hz / 10000.00;
270 	pipe_ctx->pipe_dlg_param.refresh_rate = ((timing->pix_clk_100hz * 100) / timing->h_total) / timing->v_total;
271 	pipe_ctx->pipe_dlg_param.vtotal_max = pipe_ctx->stream->adjust.v_total_max;
272 	pipe_ctx->pipe_dlg_param.vtotal_min = pipe_ctx->stream->adjust.v_total_min;
273 	pipe_ctx->pipe_dlg_param.recout_height = pipe_ctx->plane_res.scl_data.recout.height;
274 	pipe_ctx->pipe_dlg_param.recout_width = pipe_ctx->plane_res.scl_data.recout.width;
275 	pipe_ctx->pipe_dlg_param.full_recout_height = pipe_ctx->plane_res.scl_data.recout.height;
276 	pipe_ctx->pipe_dlg_param.full_recout_width = pipe_ctx->plane_res.scl_data.recout.width;
277 }
278 
dml2_calculate_rq_and_dlg_params(const struct dc * dc,struct dc_state * context,struct resource_context * out_new_hw_state,struct dml2_context * in_ctx,unsigned int pipe_cnt)279 void dml2_calculate_rq_and_dlg_params(const struct dc *dc, struct dc_state *context, struct resource_context *out_new_hw_state, struct dml2_context *in_ctx, unsigned int pipe_cnt)
280 {
281 	unsigned int dc_pipe_ctx_index, dml_pipe_idx, plane_id;
282 	enum mall_stream_type pipe_mall_type;
283 	struct dml2_calculate_rq_and_dlg_params_scratch *s = &in_ctx->v20.scratch.calculate_rq_and_dlg_params_scratch;
284 
285 	context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz = (unsigned int)in_ctx->v20.dml_core_ctx.mp.DCFCLKDeepSleep * 1000;
286 	context->bw_ctx.bw.dcn.clk.dppclk_khz = 0;
287 
288 	if (in_ctx->v20.dml_core_ctx.ms.support.FCLKChangeSupport[0] == dml_fclock_change_unsupported)
289 		context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = false;
290 	else
291 		context->bw_ctx.bw.dcn.clk.fclk_p_state_change_support = true;
292 
293 	if (context->bw_ctx.bw.dcn.clk.dispclk_khz < dc->debug.min_disp_clk_khz)
294 		context->bw_ctx.bw.dcn.clk.dispclk_khz = dc->debug.min_disp_clk_khz;
295 
296 	context->bw_ctx.bw.dcn.compbuf_size_kb = in_ctx->v20.dml_core_ctx.ip.config_return_buffer_size_in_kbytes;
297 
298 	for (dc_pipe_ctx_index = 0; dc_pipe_ctx_index < pipe_cnt; dc_pipe_ctx_index++) {
299 		if (!context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream)
300 			continue;
301 		/* The DML2 and the DC logic of determining pipe indices are different from each other so
302 		 * there is a need to know which DML pipe index maps to which DC pipe. The code below
303 		 * finds a dml_pipe_index from the plane id if a plane is valid. If a plane is not valid then
304 		 * it finds a dml_pipe_index from the stream id. */
305 		if (get_plane_id(in_ctx, context, context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_state,
306 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id,
307 			in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_plane_index[context->res_ctx.pipe_ctx[dc_pipe_ctx_index].pipe_idx], &plane_id)) {
308 			dml_pipe_idx = find_dml_pipe_idx_by_plane_id(in_ctx, plane_id);
309 		} else {
310 			dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
311 		}
312 
313 		if (dml_pipe_idx == 0xFFFFFFFF)
314 			continue;
315 		ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id_valid[dml_pipe_idx]);
316 		ASSERT(in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_stream_id[dml_pipe_idx] == context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream->stream_id);
317 
318 		/* Use the dml_pipe_index here for the getters to fetch the correct values and dc_pipe_index in the pipe_ctx to populate them
319 		 * at the right locations.
320 		 */
321 		populate_pipe_ctx_dlg_params_from_dml(&context->res_ctx.pipe_ctx[dc_pipe_ctx_index], &context->bw_ctx.dml2->v20.dml_core_ctx, dml_pipe_idx);
322 
323 		pipe_mall_type = dc_state_get_pipe_subvp_type(context, &context->res_ctx.pipe_ctx[dc_pipe_ctx_index]);
324 		if (pipe_mall_type == SUBVP_PHANTOM) {
325 			// Phantom pipe requires that DET_SIZE = 0 and no unbounded requests
326 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].det_buffer_size_kb = 0;
327 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].unbounded_req = false;
328 		} else {
329 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].det_buffer_size_kb = dml_get_det_buffer_size_kbytes(&context->bw_ctx.dml2->v20.dml_core_ctx, dml_pipe_idx);
330 			// Unbounded requesting should not ever be used when more than 1 pipe is enabled.
331 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].unbounded_req = in_ctx->v20.dml_core_ctx.ms.UnboundedRequestEnabledThisState;
332 		}
333 
334 		context->bw_ctx.bw.dcn.compbuf_size_kb -= context->res_ctx.pipe_ctx[dc_pipe_ctx_index].det_buffer_size_kb;
335 		context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_res.bw.dppclk_khz = dml_get_dppclk_calculated(&context->bw_ctx.dml2->v20.dml_core_ctx, dml_pipe_idx) * 1000;
336 		if (context->bw_ctx.bw.dcn.clk.dppclk_khz < context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_res.bw.dppclk_khz)
337 			context->bw_ctx.bw.dcn.clk.dppclk_khz = context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_res.bw.dppclk_khz;
338 
339 		dml_rq_dlg_get_rq_reg(&s->rq_regs, &in_ctx->v20.dml_core_ctx, dml_pipe_idx);
340 		dml_rq_dlg_get_dlg_reg(&s->disp_dlg_regs, &s->disp_ttu_regs, &in_ctx->v20.dml_core_ctx, dml_pipe_idx);
341 		dml2_update_pipe_ctx_dchub_regs(&s->rq_regs, &s->disp_dlg_regs, &s->disp_ttu_regs, &out_new_hw_state->pipe_ctx[dc_pipe_ctx_index]);
342 
343 		context->res_ctx.pipe_ctx[dc_pipe_ctx_index].surface_size_in_mall_bytes = dml_get_surface_size_for_mall(&context->bw_ctx.dml2->v20.dml_core_ctx, dml_pipe_idx);
344 
345 		/* Reuse MALL Allocation Sizes logic from dcn32_fpu.c */
346 		/* Count from active, top pipes per plane only. Only add mall_ss_size_bytes for each unique plane. */
347 		if (context->res_ctx.pipe_ctx[dc_pipe_ctx_index].stream && context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_state &&
348 			(context->res_ctx.pipe_ctx[dc_pipe_ctx_index].top_pipe == NULL ||
349 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].plane_state != context->res_ctx.pipe_ctx[dc_pipe_ctx_index].top_pipe->plane_state) &&
350 			context->res_ctx.pipe_ctx[dc_pipe_ctx_index].prev_odm_pipe == NULL) {
351 			/* SS: all active surfaces stored in MALL */
352 			if (pipe_mall_type != SUBVP_PHANTOM) {
353 				context->bw_ctx.bw.dcn.mall_ss_size_bytes += context->res_ctx.pipe_ctx[dc_pipe_ctx_index].surface_size_in_mall_bytes;
354 			} else {
355 				/* SUBVP: phantom surfaces only stored in MALL */
356 				context->bw_ctx.bw.dcn.mall_subvp_size_bytes += context->res_ctx.pipe_ctx[dc_pipe_ctx_index].surface_size_in_mall_bytes;
357 			}
358 		}
359 	}
360 
361 	context->bw_ctx.bw.dcn.clk.bw_dppclk_khz = context->bw_ctx.bw.dcn.clk.dppclk_khz;
362 	context->bw_ctx.bw.dcn.clk.bw_dispclk_khz = context->bw_ctx.bw.dcn.clk.dispclk_khz;
363 
364 	context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz = in_ctx->v20.dml_core_ctx.states.state_array[in_ctx->v20.scratch.mode_support_params.out_lowest_state_idx].dppclk_mhz
365 		* 1000;
366 	context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz = in_ctx->v20.dml_core_ctx.states.state_array[in_ctx->v20.scratch.mode_support_params.out_lowest_state_idx].dispclk_mhz
367 		* 1000;
368 
369 	if (dc->config.forced_clocks || dc->debug.max_disp_clk) {
370 		context->bw_ctx.bw.dcn.clk.bw_dispclk_khz = context->bw_ctx.bw.dcn.clk.max_supported_dispclk_khz;
371 		context->bw_ctx.bw.dcn.clk.bw_dppclk_khz = context->bw_ctx.bw.dcn.clk.max_supported_dppclk_khz ;
372 	}
373 }
374 
dml2_extract_watermark_set(struct dcn_watermarks * watermark,struct display_mode_lib_st * dml_core_ctx)375 void dml2_extract_watermark_set(struct dcn_watermarks *watermark, struct display_mode_lib_st *dml_core_ctx)
376 {
377 	watermark->urgent_ns = dml_get_wm_urgent(dml_core_ctx) * 1000;
378 	watermark->cstate_pstate.cstate_enter_plus_exit_ns = dml_get_wm_stutter_enter_exit(dml_core_ctx) * 1000;
379 	watermark->cstate_pstate.cstate_exit_ns = dml_get_wm_stutter_exit(dml_core_ctx) * 1000;
380 	watermark->cstate_pstate.pstate_change_ns = dml_get_wm_dram_clock_change(dml_core_ctx) * 1000;
381 	watermark->pte_meta_urgent_ns = dml_get_wm_memory_trip(dml_core_ctx) * 1000;
382 	watermark->frac_urg_bw_nom = dml_get_fraction_of_urgent_bandwidth(dml_core_ctx) * 1000;
383 	watermark->frac_urg_bw_flip = dml_get_fraction_of_urgent_bandwidth_imm_flip(dml_core_ctx) * 1000;
384 	watermark->urgent_latency_ns = dml_get_urgent_latency(dml_core_ctx) * 1000;
385 	watermark->cstate_pstate.fclk_pstate_change_ns = dml_get_wm_fclk_change(dml_core_ctx) * 1000;
386 	watermark->usr_retraining_ns = dml_get_wm_usr_retraining(dml_core_ctx) * 1000;
387 	watermark->cstate_pstate.cstate_enter_plus_exit_z8_ns = dml_get_wm_z8_stutter_enter_exit(dml_core_ctx) * 1000;
388 	watermark->cstate_pstate.cstate_exit_z8_ns = dml_get_wm_z8_stutter(dml_core_ctx) * 1000;
389 }
390 
dml2_calc_max_scaled_time(unsigned int time_per_pixel,enum mmhubbub_wbif_mode mode,unsigned int urgent_watermark)391 unsigned int dml2_calc_max_scaled_time(
392 		unsigned int time_per_pixel,
393 		enum mmhubbub_wbif_mode mode,
394 		unsigned int urgent_watermark)
395 {
396 	unsigned int time_per_byte = 0;
397 	unsigned int total_free_entry = 0xb40;
398 	unsigned int buf_lh_capability;
399 	unsigned int max_scaled_time;
400 
401 	if (mode == PACKED_444) /* packed mode 32 bpp */
402 		time_per_byte = time_per_pixel/4;
403 	else if (mode == PACKED_444_FP16) /* packed mode 64 bpp */
404 		time_per_byte = time_per_pixel/8;
405 
406 	if (time_per_byte == 0)
407 		time_per_byte = 1;
408 
409 	buf_lh_capability = (total_free_entry*time_per_byte*32) >> 6; /* time_per_byte is in u6.6*/
410 	max_scaled_time   = buf_lh_capability - urgent_watermark;
411 	return max_scaled_time;
412 }
413 
dml2_extract_writeback_wm(struct dc_state * context,struct display_mode_lib_st * dml_core_ctx)414 void dml2_extract_writeback_wm(struct dc_state *context, struct display_mode_lib_st *dml_core_ctx)
415 {
416 	int i, j = 0;
417 	struct mcif_arb_params *wb_arb_params = NULL;
418 	struct dcn_bw_writeback *bw_writeback = NULL;
419 	enum mmhubbub_wbif_mode wbif_mode = PACKED_444_FP16; /*for now*/
420 
421 	if (context->stream_count != 0) {
422 		for (i = 0; i < context->stream_count; i++) {
423 			if (context->streams[i]->num_wb_info != 0)
424 				j++;
425 		}
426 	}
427 	if (j == 0) /*no dwb */
428 		return;
429 	for (i = 0; i < __DML_NUM_DMB__; i++) {
430 		bw_writeback = &context->bw_ctx.bw.dcn.bw_writeback;
431 		wb_arb_params = &context->bw_ctx.bw.dcn.bw_writeback.mcif_wb_arb[i];
432 
433 		for (j = 0 ; j < 4; j++) {
434 			/*current dml only has one set of watermark, need to follow up*/
435 			bw_writeback->mcif_wb_arb[i].cli_watermark[j] =
436 					dml_get_wm_writeback_urgent(dml_core_ctx) * 1000;
437 			bw_writeback->mcif_wb_arb[i].pstate_watermark[j] =
438 					dml_get_wm_writeback_dram_clock_change(dml_core_ctx) * 1000;
439 		}
440 		if (context->res_ctx.pipe_ctx[i].stream->phy_pix_clk != 0) {
441 			/* time_per_pixel should be in u6.6 format */
442 			bw_writeback->mcif_wb_arb[i].time_per_pixel =
443 				(1000000 << 6) / context->res_ctx.pipe_ctx[i].stream->phy_pix_clk;
444 		}
445 		bw_writeback->mcif_wb_arb[i].slice_lines = 32;
446 		bw_writeback->mcif_wb_arb[i].arbitration_slice = 2;
447 		bw_writeback->mcif_wb_arb[i].max_scaled_time =
448 			dml2_calc_max_scaled_time(wb_arb_params->time_per_pixel,
449 					wbif_mode, 	wb_arb_params->cli_watermark[0]);
450 		/*not required any more*/
451 		bw_writeback->mcif_wb_arb[i].dram_speed_change_duration =
452 			dml_get_wm_writeback_dram_clock_change(dml_core_ctx) * 1000;
453 
454 	}
455 }
dml2_initialize_det_scratch(struct dml2_context * in_ctx)456 void dml2_initialize_det_scratch(struct dml2_context *in_ctx)
457 {
458 	int i;
459 
460 	for (i = 0; i < MAX_PLANES; i++) {
461 		in_ctx->det_helper_scratch.dpps_per_surface[i] = 1;
462 	}
463 }
464 
find_planes_per_stream_and_stream_count(struct dml2_context * in_ctx,struct dml_display_cfg_st * dml_dispcfg,int * num_of_planes_per_stream)465 static unsigned int find_planes_per_stream_and_stream_count(struct dml2_context *in_ctx, struct dml_display_cfg_st *dml_dispcfg, int *num_of_planes_per_stream)
466 {
467 	unsigned int plane_index, stream_index = 0, num_of_streams;
468 
469 	for (plane_index = 0; plane_index < dml_dispcfg->num_surfaces; plane_index++) {
470 		/* Number of planes per stream */
471 		num_of_planes_per_stream[stream_index] += 1;
472 
473 		if (plane_index + 1 < dml_dispcfg->num_surfaces && dml_dispcfg->plane.BlendingAndTiming[plane_index] != dml_dispcfg->plane.BlendingAndTiming[plane_index + 1])
474 			stream_index++;
475 	}
476 
477 	num_of_streams = stream_index + 1;
478 
479 	return num_of_streams;
480 }
481 
dml2_apply_det_buffer_allocation_policy(struct dml2_context * in_ctx,struct dml_display_cfg_st * dml_dispcfg)482 void dml2_apply_det_buffer_allocation_policy(struct dml2_context *in_ctx, struct dml_display_cfg_st *dml_dispcfg)
483 {
484 	unsigned int num_of_streams = 0, plane_index = 0, max_det_size, stream_index = 0;
485 	int num_of_planes_per_stream[__DML_NUM_PLANES__] = { 0 };
486 
487 	max_det_size = in_ctx->config.det_segment_size * in_ctx->config.max_segments_per_hubp;
488 
489 	num_of_streams = find_planes_per_stream_and_stream_count(in_ctx, dml_dispcfg, num_of_planes_per_stream);
490 
491 	for (plane_index = 0; plane_index < dml_dispcfg->num_surfaces; plane_index++) {
492 
493 		if (in_ctx->config.override_det_buffer_size_kbytes)
494 			dml_dispcfg->plane.DETSizeOverride[plane_index] = max_det_size / in_ctx->config.dcn_pipe_count;
495 		else {
496 			dml_dispcfg->plane.DETSizeOverride[plane_index] = ((max_det_size / num_of_streams) / num_of_planes_per_stream[stream_index] / in_ctx->det_helper_scratch.dpps_per_surface[plane_index]);
497 
498 			/* If the override size is not divisible by det_segment_size then round off to nearest number divisible by det_segment_size as
499 				* this is a requirement.
500 				*/
501 			if (dml_dispcfg->plane.DETSizeOverride[plane_index] % in_ctx->config.det_segment_size != 0) {
502 				dml_dispcfg->plane.DETSizeOverride[plane_index] = dml_dispcfg->plane.DETSizeOverride[plane_index] & ~0x3F;
503 			}
504 
505 			if (plane_index + 1 < dml_dispcfg->num_surfaces && dml_dispcfg->plane.BlendingAndTiming[plane_index] != dml_dispcfg->plane.BlendingAndTiming[plane_index + 1])
506 				stream_index++;
507 		}
508 	}
509 }
510 
dml2_verify_det_buffer_configuration(struct dml2_context * in_ctx,struct dc_state * display_state,struct dml2_helper_det_policy_scratch * det_scratch)511 bool dml2_verify_det_buffer_configuration(struct dml2_context *in_ctx, struct dc_state *display_state, struct dml2_helper_det_policy_scratch *det_scratch)
512 {
513 	unsigned int i = 0, dml_pipe_idx = 0, plane_id = 0;
514 	unsigned int max_det_size, total_det_allocated = 0;
515 	bool need_recalculation = false;
516 
517 	max_det_size = in_ctx->config.det_segment_size * in_ctx->config.max_segments_per_hubp;
518 
519 	for (i = 0; i < MAX_PIPES; i++) {
520 		if (!display_state->res_ctx.pipe_ctx[i].stream)
521 			continue;
522 		if (get_plane_id(in_ctx, display_state, display_state->res_ctx.pipe_ctx[i].plane_state,
523 			display_state->res_ctx.pipe_ctx[i].stream->stream_id,
524 			in_ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_plane_index[display_state->res_ctx.pipe_ctx[i].pipe_idx], &plane_id))
525 			dml_pipe_idx = find_dml_pipe_idx_by_plane_id(in_ctx, plane_id);
526 		else
527 			dml_pipe_idx = dml2_helper_find_dml_pipe_idx_by_stream_id(in_ctx, display_state->res_ctx.pipe_ctx[i].stream->stream_id);
528 
529 		if (dml_pipe_idx == 0xFFFFFFFF)
530 			continue;
531 		total_det_allocated += dml_get_det_buffer_size_kbytes(&in_ctx->v20.dml_core_ctx, dml_pipe_idx);
532 		if (total_det_allocated > max_det_size) {
533 			need_recalculation = true;
534 		}
535 	}
536 
537 	/* Store the DPPPerSurface for correctly determining the number of planes in the next call. */
538 	for (i = 0; i < MAX_PLANES; i++) {
539 		det_scratch->dpps_per_surface[i] = in_ctx->v20.scratch.cur_display_config.hw.DPPPerSurface[i];
540 	}
541 
542 	return need_recalculation;
543 }
544 
dml2_is_stereo_timing(const struct dc_stream_state * stream)545 bool dml2_is_stereo_timing(const struct dc_stream_state *stream)
546 {
547 	bool is_stereo = false;
548 
549 	if ((stream->view_format ==
550 			VIEW_3D_FORMAT_SIDE_BY_SIDE ||
551 			stream->view_format ==
552 			VIEW_3D_FORMAT_TOP_AND_BOTTOM) &&
553 			(stream->timing.timing_3d_format ==
554 			TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
555 			stream->timing.timing_3d_format ==
556 			TIMING_3D_FORMAT_SIDE_BY_SIDE))
557 		is_stereo = true;
558 
559 	return is_stereo;
560 }
561