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| author |   Roger He <Hongbo.He@amd.com> | 2018-01-17 15:07:23 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-02-26 23:09:34 -0500 |
| commit | aa7662b67bf6f56cd0d678da6732e26f1b4bf0ed (patch) | |
| tree | 4b07e45dd6f1a35d502b67d722df4edc6aadae51 /drivers/gpu/drm/ttm | |
| parent | drm/ttm: use bit flag to replace allow_reserved_eviction in ttm_operation_ctx (diff) | |
| download | linux-dev-aa7662b67bf6f56cd0d678da6732e26f1b4bf0ed.tar.xz linux-dev-aa7662b67bf6f56cd0d678da6732e26f1b4bf0ed.zip | |
drm/ttm: add bit flag TTM_OPT_FLAG_FORCE_ALLOC
set TTM_OPT_FLAG_FORCE_ALLOC when we are servicing for page
fault routine.
for ttm_mem_global_reserve if in page fault routine, allow the gtt
pages reservation always. because page fault routing already grabbed
system memory and the allowance of this exception is harmless.
Otherwise, it will trigger OOM killer.
will be used later.
v2: set the FORCE_ALLOC always
v3: minor refine
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>
Diffstat (limited to 'drivers/gpu/drm/ttm')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_vm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c index 121f017ac7ca..8eba95b3c737 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_vm.c +++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c @@ -226,7 +226,9 @@ static int ttm_bo_vm_fault(struct vm_fault *vmf) } else { struct ttm_operation_ctx ctx = { .interruptible = false, - .no_wait_gpu = false + .no_wait_gpu = false, + .flags = TTM_OPT_FLAG_FORCE_ALLOC + }; ttm = bo->ttm; |