dc/link/link_validation.c

27  * This file owns timing validation against various link limitations. (ex.
38 static uint32_t get_tmds_output_pixel_clock_100hz(const struct dc_crtc_timing *timing)  in get_tmds_output_pixel_clock_100hz()  argument
41 	uint32_t pxl_clk = timing->pix_clk_100hz;  in get_tmds_output_pixel_clock_100hz()
43 	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)  in get_tmds_output_pixel_clock_100hz()
45 	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)  in get_tmds_output_pixel_clock_100hz()
48 	if (timing->display_color_depth == COLOR_DEPTH_101010)  in get_tmds_output_pixel_clock_100hz()
50 	else if (timing->display_color_depth == COLOR_DEPTH_121212)  in get_tmds_output_pixel_clock_100hz()
57 		const struct dc_crtc_timing *timing,  in dp_active_dongle_validate_timing()  argument
66 		if (timing->pixel_encoding == PIXEL_ENCODING_RGB)  in dp_active_dongle_validate_timing()
77 		switch (timing->pixel_encoding) {  in dp_active_dongle_validate_timing()
94 		switch (timing->display_color_depth) {  in dp_active_dongle_validate_timing()
115 		switch (timing->timing_3d_format) {  in dp_active_dongle_validate_timing()
126 			struct dc_crtc_timing outputTiming = *timing;  in dp_active_dongle_validate_timing()
129 			if (timing->flags.DSC && !timing->dsc_cfg.is_frl)  in dp_active_dongle_validate_timing()
130 				/* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */  in dp_active_dongle_validate_timing()
137 			if (get_tmds_output_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10))  in dp_active_dongle_validate_timing()
146 		if (dongle_caps->dfp_cap_ext.max_pixel_rate_in_mps < (timing->pix_clk_100hz / 10000))  in dp_active_dongle_validate_timing()
149 		if (dongle_caps->dfp_cap_ext.max_video_h_active_width < timing->h_addressable)  in dp_active_dongle_validate_timing()
152 		if (dongle_caps->dfp_cap_ext.max_video_v_active_height < timing->v_addressable)  in dp_active_dongle_validate_timing()
155 		if (timing->pixel_encoding == PIXEL_ENCODING_RGB) {  in dp_active_dongle_validate_timing()
158 			if (timing->display_color_depth == COLOR_DEPTH_666 &&  in dp_active_dongle_validate_timing()
161 			else if (timing->display_color_depth == COLOR_DEPTH_888 &&  in dp_active_dongle_validate_timing()
164 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&  in dp_active_dongle_validate_timing()
167 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&  in dp_active_dongle_validate_timing()
170 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&  in dp_active_dongle_validate_timing()
173 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR444) {  in dp_active_dongle_validate_timing()
176 			if (timing->display_color_depth == COLOR_DEPTH_888 &&  in dp_active_dongle_validate_timing()
179 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&  in dp_active_dongle_validate_timing()
182 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&  in dp_active_dongle_validate_timing()
185 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&  in dp_active_dongle_validate_timing()
188 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {  in dp_active_dongle_validate_timing()
191 			if (timing->display_color_depth == COLOR_DEPTH_888 &&  in dp_active_dongle_validate_timing()
194 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&  in dp_active_dongle_validate_timing()
197 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&  in dp_active_dongle_validate_timing()
200 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&  in dp_active_dongle_validate_timing()
203 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) {  in dp_active_dongle_validate_timing()
206 			if (timing->display_color_depth == COLOR_DEPTH_888 &&  in dp_active_dongle_validate_timing()
209 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&  in dp_active_dongle_validate_timing()
212 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&  in dp_active_dongle_validate_timing()
215 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&  in dp_active_dongle_validate_timing()
262 	const struct dc_crtc_timing *timing)  in dp_validate_mode_timing()  argument
270 	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&  in dp_validate_mode_timing()
276 	if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&  in dp_validate_mode_timing()
277 		timing->h_addressable == (uint32_t) 640 &&  in dp_validate_mode_timing()
278 		timing->v_addressable == (uint32_t) 480)  in dp_validate_mode_timing()
289 	req_bw = dc_bandwidth_in_kbps_from_timing(timing, dc_link_get_highest_encoding_format(link));  in dp_validate_mode_timing()
314 		const struct dc_crtc_timing *timing)  in link_validate_mode_timing()  argument
326 	if (max_pix_clk != 0 && get_tmds_output_pixel_clock_100hz(timing) > max_pix_clk)  in link_validate_mode_timing()
330 	if (!dp_active_dongle_validate_timing(timing, dpcd_caps))  in link_validate_mode_timing()
338 				timing))  in link_validate_mode_timing()
350  * This function calculates the bandwidth required for the stream timing
371 			bw_needed[num_dpias] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing,  in link_validate_dpia_bandwidth()
392 			bw_needed[j] += dc_bandwidth_in_kbps_from_timing(&stream[i].timing,  in link_validate_dpia_bandwidth()