drm/amd/display: get remote dpcd caps for timing validation (7d8d90d8) · Commits · 戴 / test

drivers/gpu/drm/amd/display/dc/core/dc_link.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1869,7 +1869,7 @@ enum dc_status dc_link_validate_mode_timing(
		const struct dc_crtc_timing *timing)
		{
		uint32_t max_pix_clk = stream->sink->dongle_max_pix_clk;
		struct dc_dongle_caps *dongle_caps = &link->link_status.dpcd_caps->dongle_caps;
		struct dc_dongle_caps *dongle_caps = &link->dpcd_caps.dongle_caps;

		/* A hack to avoid failing any modes for EDID override feature on
		* topology change such as lower quality cable for DP or different dongle

+1 −1

Original line number	Diff line number	Diff line
		@@ -2127,7 +2127,7 @@ static void get_active_converter_info(

		union dwnstream_port_caps_byte3_hdmi
		hdmi_caps = {.raw = det_caps[3] };
		union dwnstream_port_caps_byte1
		union dwnstream_port_caps_byte2
		hdmi_color_caps = {.raw = det_caps[2] };
		link->dpcd_caps.dongle_caps.dp_hdmi_max_pixel_clk =
		det_caps[1] * 25000;

+1 −0

Original line number	Diff line number	Diff line
		@@ -1031,6 +1031,7 @@ struct dc_sink {

		/* private to dc_sink.c */
		struct kref refcount;

		};

		void dc_sink_retain(struct dc_sink *sink);

+27 −1

Original line number	Diff line number	Diff line
		@@ -255,7 +255,7 @@ enum dpcd_downstream_port_detailed_type {
		DOWN_STREAM_DETAILED_DP_PLUS_PLUS
		};

		union dwnstream_port_caps_byte1 {
		union dwnstream_port_caps_byte2 {
		struct {
		uint8_t MAX_BITS_PER_COLOR_COMPONENT:2;
		uint8_t RESERVED:6;
		@@ -298,6 +298,32 @@ union dwnstream_port_caps_byte3_hdmi {

		/*4-byte structure for detailed capabilities of a down-stream port
		(DP-to-TMDS converter).*/
		union dwnstream_portxcaps {
		struct {
		union dwnstream_port_caps_byte0 byte0;
		unsigned char max_TMDS_clock; //byte1
		union dwnstream_port_caps_byte2 byte2;

		union {
		union dwnstream_port_caps_byte3_dvi byteDVI;
		union dwnstream_port_caps_byte3_hdmi byteHDMI;
		} byte3;
		} bytes;

		unsigned char raw[4];
		};

		union downstream_port {
		struct {
		unsigned char present:1;
		unsigned char type:2;
		unsigned char format_conv:1;
		unsigned char detailed_caps:1;
		unsigned char reserved:3;
		} bits;
		unsigned char raw;
		};


		union sink_status {
		struct {