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authorHaixia Shi <hshi@chromium.org>2014-11-13 05:33:52 +0300
committerDave Airlie <airlied@redhat.com>2014-11-20 04:41:32 +0300
commit09a58da052111263e31f0050ad775b62166fafba (patch)
tree3e15a161229e32126ee289799ad2168078edcb3d /drivers/gpu/drm/udl/udl_drv.h
parenta7ca52e108e549669940b11779bb491a931f8c65 (diff)
downloadlinux-09a58da052111263e31f0050ad775b62166fafba.tar.xz
drm/udl: add cache flags definitions for udl_gem_object
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>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.h')
-rw-r--r--drivers/gpu/drm/udl/udl_drv.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index c7490a2489a7..308278086c72 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -25,6 +25,9 @@
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 1
+#define UDL_BO_CACHEABLE (1 << 0)
+#define UDL_BO_WC (1 << 1)
+
struct udl_device;
struct urb_node {
@@ -69,6 +72,7 @@ struct udl_gem_object {
struct page **pages;
void *vmapping;
struct sg_table *sg;
+ unsigned int flags;
};
#define to_udl_bo(x) container_of(x, struct udl_gem_object, base)