[PATCH v5 1/2] drm: Introduce new DRM_FORMAT_XYUV

[Lisovskiy, Stanislav]

On Fri, 2018-08-10 at 19:01 +0100, Alexandru-Cosmin Gheorghe wrote:
> Hi Stanislav,
> 
> FYI, we are trying to add same format under a slightly different
> name.
> See https://lists.freedesktop.org/archives/dri-devel/2018-
> July/184598.html

So we probably just need to decide, if this should be DRM_FORMAT_XYUV
or DRM_FORMAT_XYUV8888 :)

> 
> On Fri, Aug 10, 2018 at 04:19:03PM +0300, StanLis wrote:
> > From: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> > 
> > v5: This is YUV444 packed format same as AYUV, but without alpha,
> >     as supported by i915.
> > 
> > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> > ---
> >  drivers/gpu/drm/drm_fourcc.c  | 1 +
> >  include/uapi/drm/drm_fourcc.h | 1 +
> >  2 files changed, 2 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/drm_fourcc.c
> > b/drivers/gpu/drm/drm_fourcc.c
> > index 5ca6395cd4d3..5bde1b20a098 100644
> > --- a/drivers/gpu/drm/drm_fourcc.c
> > +++ b/drivers/gpu/drm/drm_fourcc.c
> > @@ -173,6 +173,7 @@ const struct drm_format_info
> > *__drm_format_info(u32 format)
> >  		{ .format = DRM_FORMAT_UYVY,		.depth
> > = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >  		{ .format = DRM_FORMAT_VYUY,		.depth
> > = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1 },
> >  		{ .format = DRM_FORMAT_AYUV,		.depth
> > = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1,
> > .has_alpha = true },
> > +		{ .format = DRM_FORMAT_XYUV,		.depth
> > = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1,
> > .has_alpha = false },
> 
> I would rather drop the .has_alpha = false, since these lines are
> long
> enough already.

Sounds reasonable.

> 
> >  	};
> >  
> >  	unsigned int i;
> > diff --git a/include/uapi/drm/drm_fourcc.h
> > b/include/uapi/drm/drm_fourcc.h
> > index d5e52350a3aa..c4eb69468eda 100644
> > --- a/include/uapi/drm/drm_fourcc.h
> > +++ b/include/uapi/drm/drm_fourcc.h
> > @@ -112,6 +112,7 @@ extern "C" {
> >  #define DRM_FORMAT_VYUY		fourcc_code('V', 'Y', 'U',
> > 'Y') /* [31:0] Y1:Cb0:Y0:Cr0 8:8:8:8 little endian */
> >  
> >  #define DRM_FORMAT_AYUV		fourcc_code('A', 'Y', 'U',
> > 'V') /* [31:0] A:Y:Cb:Cr 8:8:8:8 little endian */
> > +#define DRM_FORMAT_XYUV		fourcc_code('X', 'Y', 'U',
> > 'V') /* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian */
> >  
> >  /*
> >   * 2 plane RGB + A
> > -- 
> > 2.17.0
> > 
> > _______________________________________________
> > dri-devel mailing list
> > dri-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
> 
-- 
Best Regards,

Lisovskiy Stanislav