drm/vc4: Add support for YUV planes.

Browse source

This supports 420 and 422 subsampling with 2 or 3 planes, tested with
modetest.  It doesn't set up chroma subsampling position (which it
appears KMS doesn't deal with yet).

The LBM memory is overallocated in many cases, but apparently the docs
aren't quite correct and I'll probably need to look at the hardware
source to really figure it out.

Signed-off-by: Eric Anholt <eric@anholt.net>

...

This commit is contained in:

Eric Anholt 2015-12-30 12:25:44 -08:00

parent fe4cd84769

commit fc04023faf

2 changed files with 253 additions and 59 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

256

drivers/gpu/drm/vc4/vc4_plane.c

View file

56

drivers/gpu/drm/vc4/vc4_regs.h

View file