drm/udl: add cache flags definitions for udl_gem_object

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By default set udl_gem_object as cacheable, but set WC flag when attaching
dmabuf. In udl_gem_mmap() update cache attributes based on the flags, similar
to exynos_drm_gem_mmap().

Signed-off-by: Haixia Shi <hshi@chromium.org>
Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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Haixia Shi 2014-11-12 18:33:52 -08:00 • committed by Dave Airlie

parent a7ca52e108

commit 09a58da052

2 changed files with 25 additions and 0 deletions

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4

drivers/gpu/drm/udl/udl_drv.h

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21

drivers/gpu/drm/udl/udl_gem.c

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