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)
41 	uint32_t pxl_clk = timing->pix_clk_100hz;
43 	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)
45 	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)
48 	if (timing->display_color_depth == COLOR_DEPTH_101010)
50 	else if (timing->display_color_depth == COLOR_DEPTH_121212)
57 		const struct dc_crtc_timing *timing,
66 		if (timing->pixel_encoding == PIXEL_ENCODING_RGB)
77 		switch (timing->pixel_encoding) {
94 		switch (timing->display_color_depth) {
115 		switch (timing->timing_3d_format) {
126 			struct dc_crtc_timing outputTiming = *timing;
128 			if (timing->flags.DSC && !timing->dsc_cfg.is_frl)
129 				/* DP input has DSC, HDMI FRL output doesn't have DSC, remove DSC from output timing */
135 			if (get_tmds_output_pixel_clock_100hz(timing) > (dongle_caps->dp_hdmi_max_pixel_clk_in_khz * 10))
144 		if (dongle_caps->dfp_cap_ext.max_pixel_rate_in_mps < (timing->pix_clk_100hz / 10000))
147 		if (dongle_caps->dfp_cap_ext.max_video_h_active_width < timing->h_addressable)
150 		if (dongle_caps->dfp_cap_ext.max_video_v_active_height < timing->v_addressable)
153 		if (timing->pixel_encoding == PIXEL_ENCODING_RGB) {
156 			if (timing->display_color_depth == COLOR_DEPTH_666 &&
159 			else if (timing->display_color_depth == COLOR_DEPTH_888 &&
162 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
165 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
168 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
171 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR444) {
174 			if (timing->display_color_depth == COLOR_DEPTH_888 &&
177 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
180 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
183 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
186 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) {
189 			if (timing->display_color_depth == COLOR_DEPTH_888 &&
192 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
195 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
198 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
201 		} else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) {
204 			if (timing->display_color_depth == COLOR_DEPTH_888 &&
207 			else if (timing->display_color_depth == COLOR_DEPTH_101010 &&
210 			else if (timing->display_color_depth == COLOR_DEPTH_121212 &&
213 			else if (timing->display_color_depth == COLOR_DEPTH_161616 &&
260 	const struct dc_crtc_timing *timing)
268 	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420 &&
274 	if ((timing->pix_clk_100hz / 10) == (uint32_t) 25175 &&
275 		timing->h_addressable == (uint32_t) 640 &&
276 		timing->v_addressable == (uint32_t) 480)
287 	req_bw = dc_bandwidth_in_kbps_from_timing(timing, dc_link_get_highest_encoding_format(link));
312 		const struct dc_crtc_timing *timing)
324 	if (max_pix_clk != 0 && get_tmds_output_pixel_clock_100hz(timing) > max_pix_clk)
328 	if (!dp_active_dongle_validate_timing(timing, dpcd_caps))
336 				timing))
348  * This function calculates the bandwidth required for the stream timing
369 			bw_needed[num_dpias] = dc_bandwidth_in_kbps_from_timing(&stream[i].timing,
390 			bw_needed[j] += dc_bandwidth_in_kbps_from_timing(&stream[i].timing,