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Commit 73da927b authored by Eric Yang's avatar Eric Yang Committed by Alex Deucher
Browse files

drm/amd/display: fix missing pixel clock adjustment for dongle 



Signed-off-by: default avatarEric Yang <Eric.Yang2@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Reviewed-by: default avatarAndrew Jiang <Andrew.Jiang@amd.com>
Acked-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f23d5584

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

+3 −1
Original line number Diff line number Diff line
@@ -1801,7 +1801,7 @@ static void disable_link(struct dc_link *link, enum signal_type signal) 
		link->link_enc->funcs->disable_output(link->link_enc, signal);

}



bool dp_active_dongle_validate_timing(

static bool dp_active_dongle_validate_timing(

		const struct dc_crtc_timing *timing,

		const struct dc_dongle_caps *dongle_caps)

{
@@ -1833,6 +1833,8 @@ bool dp_active_dongle_validate_timing( 
	/* Check Color Depth and Pixel Clock */

	if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420)

		required_pix_clk /= 2;

	else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422)

		required_pix_clk = required_pix_clk * 2 / 3;



	switch (timing->display_color_depth) {

	case COLOR_DEPTH_666: