On Fri, Sep 11, 2020 at 09:13:18PM +0300, Jani Nikula wrote: > On Thu, 06 Feb 2020, Ville Syrjala <ville.syrj...@linux.intel.com> wrote: > > From: Ville Syrjälä <ville.syrj...@linux.intel.com> > > > > g4x+ sprites have an extra cdclk limitation listed for RGB formats. > > For some random reason I chose to use cpp>=4 as the check for that. > > While that does actually work let's deobfuscate it by checking > > for !is_yuv instead. I suspect is_yuv didn't exist way back when > > I originally write the code. > > Mmh, there are formats with cpp >= 4 && is_yuv == true making this look > like a functional change... but I presume those are not relevant and/or > this change is the right thing to do anyway.
This only applies to g4x/ilk/snb which only support YUYV/etc. (cpp==2), and 32/64bpp RGB (cpp==4/8). > > Acked-by: Jani Nikula <jani.nik...@intel.com> > > > > > Also drop the duplicate comment. > > > > Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com> > > --- > > drivers/gpu/drm/i915/display/intel_sprite.c | 4 ++-- > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c > > b/drivers/gpu/drm/i915/display/intel_sprite.c > > index 6e2e22d9bbaa..f95fe2c99468 100644 > > --- a/drivers/gpu/drm/i915/display/intel_sprite.c > > +++ b/drivers/gpu/drm/i915/display/intel_sprite.c > > @@ -1624,8 +1624,8 @@ static int g4x_sprite_min_cdclk(const struct > > intel_crtc_state *crtc_state, > > limit -= decimate; > > > > /* -10% for RGB */ > > - if (fb->format->cpp[0] >= 4) > > - limit--; /* -10% for RGB */ > > + if (!fb->format->is_yuv) > > + limit--; > > > > /* > > * We should also do -10% if sprite scaling is enabled > > -- > Jani Nikula, Intel Open Source Graphics Center -- Ville Syrjälä Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
