On Fri, Jan 31, 2025 at 02:02:14PM +0100, Louis Chauvet wrote: > On 31/01/25 - 09:40, José Expósito wrote: > > Hi Louis, > > > > Thanks a lot for the patches. > > > > I'm not well versed in YUV color formats, so I did my best reading the > > kernel > > documentation before reviewing this series... But I'll most likely ask some > > basic/dump questions. > > > > > From: Arthur Grillo <[email protected]> > > > > > > VKMS has support for YUV formats now. Remove the task from the TODO > > > list. > > > > > > Signed-off-by: Arthur Grillo <[email protected]> > > > Signed-off-by: Louis Chauvet <[email protected]> > > > --- > > > Documentation/gpu/vkms.rst | 3 +-- > > > 1 file changed, 1 insertion(+), 2 deletions(-) > > > > > > diff --git a/Documentation/gpu/vkms.rst b/Documentation/gpu/vkms.rst > > > index > > > ba04ac7c2167a9d484c54c69a09a2fb8f2d9c0aa..13b866c3617cd44043406252d3caa912c931772f > > > 100644 > > > --- a/Documentation/gpu/vkms.rst > > > +++ b/Documentation/gpu/vkms.rst > > > @@ -122,8 +122,7 @@ There's lots of plane features we could add support > > > for: > > > > > > - Scaling. > > > > > > -- Additional buffer formats, especially YUV formats for video like NV12. > > > - Low/high bpp RGB formats would also be interesting. > > > +- Additional buffer formats. Low/high bpp RGB formats would be > > > interesting. > > > > I see that you implemented support for 6 DRM_FORMAT_NV* formats, but > > DRM_FORMAT_NV15, DRM_FORMAT_NV20 and DRM_FORMAT_NV30 are not implemented. > > > > The same applies to DRM_FORMAT_Y210 or DRM_FORMAT_YUV410 among others. > > > > Could it be useful to implement all of them in the future? If so, should we > > add > > it to the ToDo list? > > I don't think we need "all of them" (there are ≈100 + all the modifiers), > but definitly all the commonly used ones (I have some of the "common" one > ready here [1], I just wait for the YUV series to be accepted to avoid > conflicts).
Good to know, thanks for the clarification. I think we are good with this to-do item as it is. There's plenty of work that can be done :) Jose > > It might be a great task to get started in kernel development, as there are > > already similar examples and tests. > > I don't think we need to specify which format are missing, the point > "Additionnal buffer formats. [...]" seems sufficient. If you think this is > relevant, I can add "Easy task" so beginners will find it easier? > > [1]:https://lore.kernel.org/all/[email protected]/ > > > > > > > - Async updates (currently only possible on cursor plane using the legacy > > > cursor api). > > >
