33 bool intel_hdcp_gsc_cs_required(struct xe_device *xe)  in intel_hdcp_gsc_cs_required()  argument
35 	return DISPLAY_VER(xe) >= 14;  in intel_hdcp_gsc_cs_required()
38 bool intel_hdcp_gsc_check_status(struct xe_device *xe)  in intel_hdcp_gsc_check_status()  argument
40 	struct xe_tile *tile = xe_device_get_root_tile(xe);  in intel_hdcp_gsc_check_status()
46 		drm_dbg_kms(&xe->drm,  in intel_hdcp_gsc_check_status()
51 	xe_pm_runtime_get(xe);  in intel_hdcp_gsc_check_status()
53 		drm_dbg_kms(&xe->drm,  in intel_hdcp_gsc_check_status()
64 	xe_pm_runtime_put(xe);  in intel_hdcp_gsc_check_status()
69 static int intel_hdcp_gsc_initialize_message(struct xe_device *xe,  in intel_hdcp_gsc_initialize_message()  argument
74 	int ret = 0;  in intel_hdcp_gsc_initialize_message()
77 	bo = xe_bo_create_pin_map(xe, xe_device_get_root_tile(xe), NULL, PAGE_SIZE * 2,  in intel_hdcp_gsc_initialize_message()
83 		drm_err(&xe->drm, "Failed to allocate bo for HDCP streaming command!\n");  in intel_hdcp_gsc_initialize_message()
90 	xe_map_memset(xe, &bo->vmap, 0, 0, bo->size);  in intel_hdcp_gsc_initialize_message()
99 static int intel_hdcp_gsc_hdcp2_init(struct xe_device *xe)  in intel_hdcp_gsc_hdcp2_init()  argument
113 	ret = intel_hdcp_gsc_initialize_message(xe, hdcp_message);  in intel_hdcp_gsc_hdcp2_init()
115 		drm_err(&xe->drm, "Could not initialize hdcp_message\n");  in intel_hdcp_gsc_hdcp2_init()
120 	xe->display.hdcp.hdcp_message = hdcp_message;  in intel_hdcp_gsc_hdcp2_init()
140 int intel_hdcp_gsc_init(struct xe_device *xe)  in intel_hdcp_gsc_init()  argument
149 	mutex_lock(&xe->display.hdcp.hdcp_mutex);  in intel_hdcp_gsc_init()
150 	xe->display.hdcp.arbiter = data;  in intel_hdcp_gsc_init()
151 	xe->display.hdcp.arbiter->hdcp_dev = xe->drm.dev;  in intel_hdcp_gsc_init()
152 	xe->display.hdcp.arbiter->ops = &gsc_hdcp_ops;  in intel_hdcp_gsc_init()
153 	ret = intel_hdcp_gsc_hdcp2_init(xe);  in intel_hdcp_gsc_init()
157 	mutex_unlock(&xe->display.hdcp.hdcp_mutex);  in intel_hdcp_gsc_init()
162 void intel_hdcp_gsc_fini(struct xe_device *xe)  in intel_hdcp_gsc_fini()  argument
165 					xe->display.hdcp.hdcp_message;  in intel_hdcp_gsc_fini()
166 	struct i915_hdcp_arbiter *arb = xe->display.hdcp.arbiter;  in intel_hdcp_gsc_fini()
171 		xe->display.hdcp.hdcp_message = NULL;  in intel_hdcp_gsc_fini()
175 	xe->display.hdcp.arbiter = NULL;  in intel_hdcp_gsc_fini()
178 static int xe_gsc_send_sync(struct xe_device *xe,  in xe_gsc_send_sync()  argument
191 		drm_err(&xe->drm, "failed to send gsc HDCP msg (%d)\n", ret);  in xe_gsc_send_sync()
195 	if (xe_gsc_check_and_update_pending(xe, map, 0, map, addr_out_off))  in xe_gsc_send_sync()
198 	ret = xe_gsc_read_out_header(xe, map, addr_out_off,  in xe_gsc_send_sync()
204 ssize_t intel_hdcp_gsc_msg_send(struct xe_device *xe, u8 *msg_in,  in intel_hdcp_gsc_msg_send()  argument
212 	u32 addr_out_off, addr_in_wr_off = 0;  in intel_hdcp_gsc_msg_send()
213 	int ret, tries = 0;  in intel_hdcp_gsc_msg_send()
222 	hdcp_message = xe->display.hdcp.hdcp_message;  in intel_hdcp_gsc_msg_send()
226 	xe_pm_runtime_get_noresume(xe);  in intel_hdcp_gsc_msg_send()
227 	addr_in_wr_off = xe_gsc_emit_header(xe, &hdcp_message->hdcp_bo->vmap,  in intel_hdcp_gsc_msg_send()
230 	xe_map_memcpy_to(xe, &hdcp_message->hdcp_bo->vmap, addr_in_wr_off,  in intel_hdcp_gsc_msg_send()
239 		ret = xe_gsc_send_sync(xe, hdcp_message, msg_size_in, msg_size_out,  in intel_hdcp_gsc_msg_send()
253 	xe_map_memcpy_from(xe, msg_out, &hdcp_message->hdcp_bo->vmap,  in intel_hdcp_gsc_msg_send()
258 	xe_pm_runtime_put(xe);  in intel_hdcp_gsc_msg_send()