提交 385857ad 编写于 作者: Z Zhan liu 提交者: Alex Deucher

drm/amd/display: setting the DIG_MODE to the correct value.

[Why]
This patch is for fixing Navi14 HDMI display pink screen issue.

[How]
Call stream->link->link_enc->funcs->setup twice. This is setting
the DIG_MODE to the correct value after having been overridden by
the call to transmitter control.
Signed-off-by: NZhan Liu <zhan.liu@amd.com>
Reviewed-by: NNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 bc2fde42
......@@ -2767,6 +2767,15 @@ void core_link_enable_stream(
CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
COLOR_DEPTH_UNDEFINED);
/* This second call is needed to reconfigure the DIG
* as a workaround for the incorrect value being applied
* from transmitter control.
*/
if (!dc_is_virtual_signal(pipe_ctx->stream->signal))
stream->link->link_enc->funcs->setup(
stream->link->link_enc,
pipe_ctx->stream->signal);
#ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
if (pipe_ctx->stream->timing.flags.DSC) {
if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
......
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