Messages in this thread Patch in this message | | | From | "Christian König" <> | Subject | [PATCH 2/4] drm/amdgpu: use new ww_mutex_is_owned_by function | Date | Tue, 20 Feb 2018 13:58:27 +0100 |
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Instead of accessing ww_mutex internals directly use the provided function to check if the ww_mutex was indeed locked by the current command submission.
Signed-off-by: Christian König <christian.koenig@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index eaa3cb0c3ad1..6db26a3144dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -1594,7 +1594,7 @@ int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser, *map = mapping; /* Double check that the BO is reserved by this CS */ - if (READ_ONCE((*bo)->tbo.resv->lock.ctx) != &parser->ticket) + if (!ww_mutex_is_owned_by(&(*bo)->tbo.resv->lock, &parser->ticket)) return -EINVAL; if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) { -- 2.14.1
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