[PATCH] drm/amd/display: remove "setting DIG_MODE twice" workaround

[Liu, Zhan]

Thank you Nick for the advice. I just reverted the original commit.

Zhan

> -----Original Message-----
> From: Kazlauskas, Nicholas <Nicholas.Kazlauskas at amd.com>
> Sent: 2019/November/04, Monday 11:53 AM
> To: Liu, Zhan <Zhan.Liu at amd.com>; amd-gfx at lists.freedesktop.org; Wu,
> Hersen <hersenxs.wu at amd.com>
> 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 at amd.com>
> 
> 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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> > amd-gfx at lists.freedesktop.org
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> >