Thank you Nick for the advice. I just reverted the original commit.
Zhan
> -----Original Message-----
> From: Kazlauskas, Nicholas <Nicholas.Kazlauskas@xxxxxxx>
> Sent: 2019/November/04, Monday 11:53 AM
> To: Liu, Zhan <Zhan.Liu@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Wu,
> Hersen <hersenxs.wu@xxxxxxx>
> Subject: Re: [PATCH] drm/amd/display: remove "setting DIG_MODE twice"
> workaround
>
> 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
> > _______________________________________________
> > amd-gfx mailing list
> > amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
> >
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