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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-04 06:21:02 -0800 |
| commit | a802f50d6e92298d44a806d326a2ba3eefa6db72 (patch) | |
| tree | 40cafff98f5248d0121656fc538e65dc9baa64b2 /drivers/gpu/drm/amd/amdgpu/si_ih.c | |
| parent | fccc9d9233f918ee50cf2955ae7134a7f3418351 (diff) | |
| parent | 54be6c6c5ae8e0d93a6c4641cb7528eb0b6ba478 (diff) | |
| download | linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.gz linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.tar.bz2 linux-stable-a802f50d6e92298d44a806d326a2ba3eefa6db72.zip | |
Merge 6.8-rc3 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si_ih.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si_ih.c b/drivers/gpu/drm/amd/amdgpu/si_ih.c index 9a24f17a5750..cada9f300a7f 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/si_ih.c @@ -119,6 +119,12 @@ static u32 si_ih_get_wptr(struct amdgpu_device *adev, tmp = RREG32(IH_RB_CNTL); tmp |= IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; WREG32(IH_RB_CNTL, tmp); + + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp &= ~IH_RB_CNTL__WPTR_OVERFLOW_CLEAR_MASK; + WREG32(IH_RB_CNTL, tmp); } return (wptr & ih->ptr_mask); } |