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drm/radeon: let sa manager block for fences to wait for v2

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Otherwise we can encounter out of memory situations under extreme load.

v2: add documentation for the new function

Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2012-07-11 21:07:57 +02:00
commit bfb38d35c1
2 changed files with 61 additions and 23 deletions
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2
drivers/gpu/drm/radeon/radeon.h
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@ -362,7 +362,7 @@ struct radeon_bo_list {
* alignment).
*/
struct radeon_sa_manager {
spinlock_t lock;
wait_queue_head_t wq;
struct radeon_bo *bo;
struct list_head *hole;
struct list_head flist[RADEON_NUM_RINGS];