Re: [RFC PATCH 03/40] drm/amd/display: introduce Steam Deck color features to AMD display driver

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I think the idea is that we wouldn't have a config option so it
doesn't inherently become linux kernel uAPI?

Then we can just build our SteamOS kernels with that definiton set.

On Tue, 9 May 2023 at 16:26, Melissa Wen <mwen@xxxxxxxxxx> wrote:
>
> On 05/08, Harry Wentland wrote:
> > On 4/23/23 10:10, Melissa Wen wrote:
> > > We are enabling a large set of color calibration features to enhance KMS
> > > color mgmt but these properties are specific of AMD display HW, and
> > > cannot be provided by other vendors. Therefore, set a config option to
> > > enable AMD driver-private properties used on Steam Deck color mgmt
> > > pipeline.
> > >
> > > Co-developed-by: Joshua Ashton <joshua@xxxxxxxxx>
> > > Signed-off-by: Joshua Ashton <joshua@xxxxxxxxx>
> > > Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
> > > ---
> > >  drivers/gpu/drm/amd/display/Kconfig | 6 ++++++
> > >  1 file changed, 6 insertions(+)
> > >
> > > diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
> > > index 06b438217c61..c45a8deb1098 100644
> > > --- a/drivers/gpu/drm/amd/display/Kconfig
> > > +++ b/drivers/gpu/drm/amd/display/Kconfig
> > > @@ -53,5 +53,11 @@ config DRM_AMD_SECURE_DISPLAY
> > >              of crc of specific region via debugfs.
> > >              Cooperate with specific DMCU FW.
> > >
> > > +config STEAM_DECK
> > > +   bool "Enable color calibration features for Steam Deck"
> > > +   depends on DRM_AMD_DC
> > > +   help
> > > +     Choose this option if you want to use AMDGPU features for broader
> > > +     color management support on Steam Deck.
> > >
> >
> > If we can drop this (i.e. don't offer a CONFIG_ option to allow enablement of
> > the uAPI, but build with -DCONFIG_STEAM_DECK) it would go a long way to keep
> > us from requiring to support this forever.
>
> I see, I'll follow this path. Still on that, I've changed
> CONFIG_STEAM_DECK (too generic) to CONFIG_DRM_AMD_COLOR_STEAMDECK.
> Does it sound better?
>
> Thanks,
>
> Melissa
>
> >
> > Harry
> >
> > >  endmenu
> >
> >



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