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| author | Thomas Zimmermann <[email protected]> | 2024-02-07 12:01:19 +0000 |
|---|---|---|
| committer | Thomas Zimmermann <[email protected]> | 2024-02-07 12:02:20 +0000 |
| commit | 0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f (patch) | |
| tree | 75b387bc359637c15b90ababb1ff073ca68b5bd8 /drivers/gpu/drm/amd/amdgpu/si_ih.c | |
| parent | drm: mipi-dsi: make mipi_dsi_bus_type const (diff) | |
| parent | Merge tag 'drm-misc-next-2024-01-11' of git://anongit.freedesktop.org/drm/drm... (diff) | |
| download | kernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.tar.gz kernel-0e85f1ae4ac6dae238b0f35232d1aa52e1b6943f.zip | |
Merge drm/drm-next into drm-misc-next
Backmerging to update drm-misc-next to the state of v6.8-rc3. Also
fixes a build problem with xe.
Signed-off-by: Thomas Zimmermann <[email protected]>
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); } |