On 2019-11-04 11:06 a.m., Liu, Zhan wrote:
> [Why]
> The root cause of Navi14 HDMI pink screen issue has been found.
> There is no need to set DIG_MODE twice anymore.
>
> [How]
> Remove "setting DIG_MODE" twice workaround.
>
> Signed-off-by: Zhan Liu <zhan.liu@xxxxxxx>
Please use git to revert the commit instead:
eg.
git revert <SHA>
Then add the reasoning to the revert commit message.
Thanks,
Nicholas Kazlauskas
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_link.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> index cc94c1a73daa..12ba6fdf89b7 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> @@ -3027,15 +3027,6 @@ 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) ||
> --
> 2.21.0
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