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drm/amd/display: Non-HDMI DP active dongle should not support YUV pixel format

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Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hersen Wu
2018-03-19 15:22:51 -04:00
committed by Alex Deucher
parent 9e3efe3eed
commit f110892ead
1 changed files with 16 additions and 3 deletions
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19
drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@@ -1848,9 +1848,22 @@ static void disable_link(struct dc_link *link, enum signal_type signal)
static bool dp_active_dongle_validate_timing(
const struct dc_crtc_timing *timing,
const struct dc_dongle_caps *dongle_caps)
const struct dpcd_caps *dpcd_caps)
{
unsigned int required_pix_clk = timing->pix_clk_khz;
const struct dc_dongle_caps *dongle_caps = &dpcd_caps->dongle_caps;
switch (dpcd_caps->dongle_type) {
case DISPLAY_DONGLE_DP_VGA_CONVERTER:
case DISPLAY_DONGLE_DP_DVI_CONVERTER:
case DISPLAY_DONGLE_DP_DVI_DONGLE:
if (timing->pixel_encoding == PIXEL_ENCODING_RGB)
return true;
else
return false;
default:
break;
}
if (dongle_caps->dongle_type != DISPLAY_DONGLE_DP_HDMI_CONVERTER ||
dongle_caps->extendedCapValid == false)
@@ -1916,7 +1929,7 @@ 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->dpcd_caps.dongle_caps;
struct dpcd_caps *dpcd_caps = &link->dpcd_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
@@ -1929,7 +1942,7 @@ enum dc_status dc_link_validate_mode_timing(
return DC_EXCEED_DONGLE_CAP;
/* Active Dongle*/
if (!dp_active_dongle_validate_timing(timing, dongle_caps))
if (!dp_active_dongle_validate_timing(timing, dpcd_caps))
return DC_EXCEED_DONGLE_CAP;
switch (stream->signal) {