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| author | Tony Lindgren <[email protected]> | 2021-07-27 11:25:08 +0300 |
|---|---|---|
| committer | Tony Lindgren <[email protected]> | 2021-07-27 11:25:08 +0300 |
| commit | 353b7a55dcaf5fb8758e09ebe2ddf5f3adbac7c5 (patch) | |
| tree | 081200957b3d8925cbe913020d45a4e3ba61a7a3 /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | |
| parent | 3ff340e24c9dd5cff9fc07d67914c5adf67f80d6 (diff) | |
| parent | c68ef4ad180e09805fa46965d15e1dfadf09ffa5 (diff) | |
Merge branch 'fixes-v5.14' into fixes
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c index faaa6aa2faaf..f3d62e196901 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.c @@ -115,9 +115,11 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih, */ void amdgpu_ih_ring_fini(struct amdgpu_device *adev, struct amdgpu_ih_ring *ih) { + + if (!ih->ring) + return; + if (ih->use_bus_addr) { - if (!ih->ring) - return; /* add 8 bytes for the rptr/wptr shadows and * add them to the end of the ring allocation. @@ -175,7 +177,9 @@ static bool amdgpu_ih_has_checkpoint_processed(struct amdgpu_device *adev, cur_rptr += ih->ptr_mask + 1; *prev_rptr = cur_rptr; - return cur_rptr >= checkpoint_wptr; + /* check ring is empty to workaround missing wptr overflow flag */ + return cur_rptr >= checkpoint_wptr || + (cur_rptr & ih->ptr_mask) == amdgpu_ih_get_wptr(adev, ih); } /** |