[Intel-gfx] [PATCH] drm/i915: Fix VLV color state readout

[Ville Syrjälä]

On Mon, Oct 09, 2023 at 06:36:30PM +0300, Jani Nikula wrote:
> On Mon, 09 Oct 2023, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> > From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> >
> > VLV was missed when the color.get_config() hook was added.
> > Remedy that.
> 
> Oops, how did I manage that?! Thanks for the fix,

vlv_color_funcs is a fairly recent thing. I suspect it didn't
exist when you originally wrote the patch, but presumably the
patch still applied cleanly.

> 
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> 
> > Not really sure what the final plan here was since a bunch of
> > color related readout was left in intel_display.c anyway,
> > but that's for anothr day to figure out...
> 
> I guess I just wanted to start somewhere, and the cutoff was mostly by
> the registers where the data is read from, e.g. ->gamma_mode and
> ->wgc_enable coming from TRANSCONF I left in place.
> 
> BR,
> Jani.
> 
> >
> > Cc: Jani Nikula <jani.nikula at intel.com>
> > Fixes: 9af09dfcdfa1 ("drm/i915/color: move pre-SKL gamma and CSC enable read to intel_color")
> > Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> > ---
> >  drivers/gpu/drm/i915/display/intel_color.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
> > index 4f92fc31059f..2a2a163ea652 100644
> > --- a/drivers/gpu/drm/i915/display/intel_color.c
> > +++ b/drivers/gpu/drm/i915/display/intel_color.c
> > @@ -3702,6 +3702,7 @@ static const struct intel_color_funcs vlv_color_funcs = {
> >  	.read_luts = i965_read_luts,
> >  	.lut_equal = i965_lut_equal,
> >  	.read_csc = vlv_read_csc,
> > +	.get_config = i9xx_get_config,
> >  };
> >  
> >  static const struct intel_color_funcs i965_color_funcs = {
> 
> -- 
> Jani Nikula, Intel

-- 
Ville Syrjälä
Intel