[RFC,v2,0/3] Groundwork for AFBC YUV formats

Message

Brian Starkey Aug. 23, 2018, 3:23 p.m. UTC

Hi,

This is the second round of RFC for adding a bunch of new YUV formats
for Mali/AFBC. I've included a proper AFBC documentation file too, for
posterity.

Some of the new formats don't have an integer number of
bytes-per-pixel, so I've added a bpp field to drm_format_info
(patch 1), keen to hear thoughts on that.

These three patches don't make a huge amount of sense in isolation, so
we'll pull them into a more comprehensive series for AFBC support to
merge them later.

Thanks,
-Brian

Brian Starkey (3):
  drm/fourcc: Add 'bpp' field for formats with non-integer
    bytes-per-pixel
  drm/fourcc: Add remaining fourccs for Mali
  drm/afbc: Add AFBC modifier usage documentation

 Documentation/gpu/afbc.rst                   | 226 +++++++++++++++++++++++++++
 Documentation/gpu/drivers.rst                |   1 +
 MAINTAINERS                                  |   1 +
 drivers/gpu/drm/drm_fb_cma_helper.c          |   6 +-
 drivers/gpu/drm/drm_fb_helper.c              |   8 +-
 drivers/gpu/drm/drm_fourcc.c                 |  57 +++++++
 drivers/gpu/drm/drm_framebuffer.c            |  41 ++++-
 drivers/gpu/drm/drm_gem_framebuffer_helper.c |   3 +-
 include/drm/drm_fourcc.h                     |   4 +
 include/uapi/drm/drm_fourcc.h                |  17 ++
 10 files changed, 351 insertions(+), 13 deletions(-)
 create mode 100644 Documentation/gpu/afbc.rst