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drm/radeon: add userptr flag to limit it to anonymous memory v2

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Avoid problems with writeback by limiting userptr to anonymous memory.

v2: add commit and code comments

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2014-08-07 09:36:01 +02:00 • committed by Alex Deucher
parent f72a113a71
commit ddd00e33e1
3 changed files with 13 additions and 1 deletions
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1
include/uapi/drm/radeon_drm.h
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@ -816,6 +816,7 @@ struct drm_radeon_gem_create {
* perform any operation.
*/
#define RADEON_GEM_USERPTR_READONLY (1 << 0)
#define RADEON_GEM_USERPTR_ANONONLY (1 << 1)
struct drm_radeon_gem_userptr {
uint64_t addr;