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| author | Dan Williams <dan.j.williams@intel.com> | 2024-02-20 22:57:35 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2024-02-20 22:57:35 -0800 |
| commit | 40de53fd002c6ba087a623722915e8006ed68a02 (patch) | |
| tree | ec733b0a05924f98855728cd24de2ea38e1223b8 /drivers/gpu/drm/amd/amdgpu/cik_ih.c | |
| parent | 0cab687205986491302cd2e440ef1d253031c221 (diff) | |
| parent | f3e6b3ae9cfc128af11b665c6ef4022ba2683778 (diff) | |
| download | linux-stable-40de53fd002c6ba087a623722915e8006ed68a02.tar.gz linux-stable-40de53fd002c6ba087a623722915e8006ed68a02.tar.bz2 linux-stable-40de53fd002c6ba087a623722915e8006ed68a02.zip | |
Merge branch 'for-6.8/cxl-cper' into for-6.8/cxl
Pick up CXL CPER notification removal for v6.8-rc6, to return in a later
merge window.
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik_ih.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_ih.c b/drivers/gpu/drm/amd/amdgpu/cik_ih.c index 6f7c031dd197..f24e34dc33d1 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_ih.c @@ -204,6 +204,12 @@ static u32 cik_ih_get_wptr(struct amdgpu_device *adev, tmp = RREG32(mmIH_RB_CNTL); tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; WREG32(mmIH_RB_CNTL, tmp); + + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp &= ~IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; + WREG32(mmIH_RB_CNTL, tmp); } return (wptr & ih->ptr_mask); } |