> -----Original Message-----
> From: Sharma, Shashank
> Sent: Thursday, February 8, 2018 4:21 PM
> To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
> gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: maarten.lankhorst@xxxxxxxxxxxxxxx; Kamath, Sunil
> <sunil.kamath@xxxxxxxxx>; Shankar, Uma <uma.shankar@xxxxxxxxx>;
> Konduru, Chandra <chandra.konduru@xxxxxxxxx>; Maiti, Nabendu Bikash
> <nabendu.bikash.maiti@xxxxxxxxx>
> Subject: Re: [PATCH 14/16] drm/i915: Add NV12 as supported format for
> sprite plane
>
> Regards
>
> Shashank
>
>
> On 2/6/2018 6:28 PM, Vidya Srinivas wrote:
> > From: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> >
> > This patch adds NV12 to list of supported formats for sprite plane.
> >
> > v2: Rebased (me)
> >
> > v3: Review comments by Ville addressed
> > - Removed skl_plane_formats_with_nv12 and added
> > NV12 case in existing skl_plane_formats
> > - Added the 10bpc RGB formats
> >
> > v4: Addressed review comments from Clinton A Taylor "Why are we
> adding
> > 10 bit RGB formats with the NV12 series patches?
> > Trying to set XR30 or AB30 results in error returned even though the
> > modes are advertised for the planes"
> > - Removed 10bit RGB formats added previously with NV12 series
> >
> > v5: Missed the Tested-by/Reviewed-by in the previous series Adding the
> > same to commit message in this version.
> > Addressed review comments from Clinton A Taylor "Why are we adding 10
> > bit RGB formats with the NV12 series patches?
> > Trying to set XR30 or AB30 results in error returned even though the
> > modes are advertised for the planes"
> > - Previous version has 10bit RGB format removed from VLV formats by
> > mistake. Fixing that in this version.
> > Removed 10bit RGB formats added previously with NV12 series for SKL.
> >
> > v6: Addressed review comments by Ville Restricting the NV12 to BXT and
> > PIPE A and B
> >
> > v7: Rebased (me)
> >
> > v8: Rebased (me)
> > Restricting NV12 changes to BXT and KBL Restricting NV12 changes for
> > plane 0 (overlay)
> >
> > v9: Rebased (me)
> >
> > v10: Addressed review comments from Maarten.
> > Adding NV12 to skl_plane_formats itself.
> >
> > Tested-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
> > Reviewed-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
> > Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> > Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@xxxxxxxxx>
> > Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_sprite.c | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_sprite.c
> > b/drivers/gpu/drm/i915/intel_sprite.c
> > index f2e144b..f359b22 100644
> > --- a/drivers/gpu/drm/i915/intel_sprite.c
> > +++ b/drivers/gpu/drm/i915/intel_sprite.c
> > @@ -1168,6 +1168,7 @@ static uint32_t skl_plane_formats[] = {
> > DRM_FORMAT_YVYU,
> > DRM_FORMAT_UYVY,
> > DRM_FORMAT_VYUY,
> > + DRM_FORMAT_NV12,
> > };
> >
> > static const uint64_t skl_plane_format_modifiers_noccs[] = { @@
> > -1366,6 +1367,10 @@ intel_sprite_plane_create(struct drm_i915_private
> *dev_priv,
> > plane_formats = skl_plane_formats;
> > num_plane_formats = ARRAY_SIZE(skl_plane_formats);
> >
> > + if (INTEL_GEN(dev_priv) <= 10 && ((plane != 0) ||
> braces for (plane != 0) not required, also does this means GLK/CNL can't
> support NV12 on sprite planes ?
Gen9 and Gen10 support NV12 only on primary and the first sprite plane.
Regarding braces - will fix it. Thank u
> > + (pipe == PIPE_C)))
> braces for (pipe == PIPE_C) not required
> > + num_plane_formats -= 1;
> > +
> > if (skl_plane_has_ccs(dev_priv, pipe, PLANE_SPRITE0 +
> plane))
> > modifiers = skl_plane_format_modifiers_ccs;
> > else
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