Re: [PATCH v10 1/2] drm: Introduce new DRM_FORMAT_XYUV

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On Wed, Oct 03, 2018 at 06:39:00AM +0000, Lisovskiy, Stanislav wrote:
> On Tue, 2018-10-02 at 15:28 +0000, Alexandru-Cosmin Gheorghe wrote:
> > Hi,
> > 
> > On Tue, Oct 02, 2018 at 02:15:42PM +0300, Stanislav Lisovskiy wrote:
> > > v5: This is YUV444 packed format same as AYUV, but without alpha,
> > >     as supported by i915.
> > > 
> > > v6: Removed unneeded initializer for new XYUV format.
> > > 
> > > v7: Added is_yuv field initialization according to latest
> > >     drm_fourcc format structure initialization changes.
> > > 
> > > v8: Edited commit message to be more clear about skl+, renamed
> > >     PLANE_CTL_FORMAT_AYUV to PLANE_CTL_FORMAT_XYUV as this format
> > >     doesn't support per-pixel alpha. Fixed minor code issues.
> > > 
> > > v9: Moved DRM format check to proper place in
> > > intel_framebuffer_init.
> > > 
> > > Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> > 
> > Reviewed-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@xxxxxxx>
> > 
> > I'm planning of sending a new version with my series[1], do you think
> > this patch will get merged soon, or is there anything else that needs
> > to be done.
> > 
> > [1] https://lists.freedesktop.org/archives/dri-devel/2018-
> > August/186963.html
> 
> Hi,
> 
> I had to implement IGT test case and xf86-video-intel support for this
> new format(in order to check that it works with gstreamer as we have
> userspace requirement for this change), so currently I guess all the
> requirements are met. I might need to do some
> minor changes in those patches though, once I get some feedback.

A bit offtopic do we need userspace for adding a new fourcc as well,
I thought those are extempted from "must have userspace rule".

> 
> > 
> > > ---
> > >  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 be1d6aaef651..60752d0be9d8 100644
> > > --- a/drivers/gpu/drm/drm_fourcc.c
> > > +++ b/drivers/gpu/drm/drm_fourcc.c
> > > @@ -190,6 +190,7 @@ 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,
> > > .is_yuv = true },
> > >  		{ .format = DRM_FORMAT_VYUY,		.depth
> > > = 0,  .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 2, .vsub = 1,
> > > .is_yuv = true },
> > >  		{ .format = DRM_FORMAT_AYUV,		.depth
> > > = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1,
> > > .has_alpha = true, .is_yuv = true },
> > > +		{ .format = DRM_FORMAT_XYUV,		.depth
> > > = 0,  .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1,
> > > .is_yuv = true },
> > >  	};
> > >  
> > >  	unsigned int i;
> > > diff --git a/include/uapi/drm/drm_fourcc.h
> > > b/include/uapi/drm/drm_fourcc.h
> > > index 139632b87181..88d2e491f40c 100644
> > > --- a/include/uapi/drm/drm_fourcc.h
> > > +++ b/include/uapi/drm/drm_fourcc.h
> > > @@ -151,6 +151,7 @@ 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
> > > -- 
> > > 2.17.1
> > > 
> > > _______________________________________________
> > > dri-devel mailing list
> > > dri-devel@xxxxxxxxxxxxxxxxxxxxx
> > > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> > 
> > 
> -- 
> Best Regards,
> 
> Lisovskiy Stanislav

-- 
Cheers,
Alex G
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