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drm/ttm: set TTM_OPT_FLAG_FORCE_ALLOC in ttm_bo_force_list_clean

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Because ttm_bo_force_list_clean() is only called on two occasions:
1. By ttm_bo_evict_mm() during suspend.
2. By ttm_bo_clean_mm() when the driver unloads.
On both cases we absolutely don't want any memory allocation failure.

Signed-off-by: Roger He <Hongbo.He@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roger He 2018-02-06 15:00:06 +08:00 committed by Alex Deucher
parent aa7662b67b
commit 40d5250dbb
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/ttm/ttm_bo.c
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@ -1344,7 +1344,11 @@ EXPORT_SYMBOL(ttm_bo_create);
static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev, static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
unsigned mem_type) unsigned mem_type)
{ {
struct ttm_operation_ctx ctx = { false, false }; struct ttm_operation_ctx ctx = {
.interruptible = false,
.no_wait_gpu = false,
.flags = TTM_OPT_FLAG_FORCE_ALLOC
};
struct ttm_mem_type_manager *man = &bdev->man[mem_type]; struct ttm_mem_type_manager *man = &bdev->man[mem_type];
struct ttm_bo_global *glob = bdev->glob; struct ttm_bo_global *glob = bdev->glob;
struct dma_fence *fence; struct dma_fence *fence;