drm/vc4: Add support for scaling of display planes.
authorEric Anholt <eric@anholt.net>
Tue, 20 Oct 2015 15:06:57 +0000 (16:06 +0100)
committerEric Anholt <eric@anholt.net>
Tue, 16 Feb 2016 19:24:08 +0000 (11:24 -0800)
commit21af94cf1a4c2d3450ab7fead58e6e2291ab92a9
tree48339e5624f09e8bb6f499ecdad676c119f56dcb
parentf863e356013d628fa65b1cd89aa298eed26fc936
drm/vc4: Add support for scaling of display planes.

This implements a simple policy for choosing scaling modes
(trapezoidal for decimation, PPF for magnification), and a single PPF
filter (Mitchell/Netravali's recommendation).

Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/vc4/vc4_drv.h
drivers/gpu/drm/vc4/vc4_hvs.c
drivers/gpu/drm/vc4/vc4_plane.c
drivers/gpu/drm/vc4/vc4_regs.h