diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 10:02:43 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 13:39:42 +0100 |
| commit | 4dd2fbbfb532d0981b0ecd218c0597ac0047ca55 (patch) | |
| tree | f37e913dbc6ad76ee6230a9f1fa5d7eb12e420ed /drivers/gpu/drm/i915/selftests | |
| parent | 0606259e3b3a1220a0f04a92a1654a3f674f47ee (diff) | |
drm/i915: Make i915_vma.flags atomic_t for mutex reduction
In preparation for reducing struct_mutex stranglehold around the vm,
make the vma.flags atomic so that we can acquire a pin on the vma
atomically before deciding if we need to take the mutex.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911090243.16786-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/selftests')
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_gtt.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c b/drivers/gpu/drm/i915/selftests/mock_gtt.c index 7d5fb60b43bb..173f2d4dbd14 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gtt.c +++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c @@ -43,7 +43,7 @@ static int mock_bind_ppgtt(struct i915_vma *vma, u32 flags) { GEM_BUG_ON(flags & I915_VMA_GLOBAL_BIND); - vma->flags |= I915_VMA_LOCAL_BIND; + set_bit(I915_VMA_LOCAL_BIND_BIT, __i915_vma_flags(vma)); return 0; } @@ -86,7 +86,7 @@ static int mock_bind_ggtt(struct i915_vma *vma, enum i915_cache_level cache_level, u32 flags) { - vma->flags |= I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND; + atomic_or(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND, &vma->flags); return 0; } |