diff options
| author | Jiri Kosina <jkosina@suse.com> | 2024-03-13 21:17:33 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2024-03-13 21:17:33 +0100 |
| commit | 2e21dee6a46a66e4c2ced778485e1044101edee4 (patch) | |
| tree | b9a9565cf9e3954ad316c343715b43b401c51074 /drivers/gpu/drm/amd/amdgpu/cz_ih.c | |
| parent | 9a5b1521e2d0d7ace70c6e5eed073babcec91409 (diff) | |
| parent | 90184f90c9ac559062a04aca72e5d05730164de0 (diff) | |
Merge branch 'for-6.9/amd-sfh' into for-linus
- assorted fixes and optimizations for amd-sfh (Basavaraj Natikar)
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cz_ih.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cz_ih.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cz_ih.c b/drivers/gpu/drm/amd/amdgpu/cz_ih.c index b8c47e0cf37a..c19681492efa 100644 --- a/drivers/gpu/drm/amd/amdgpu/cz_ih.c +++ b/drivers/gpu/drm/amd/amdgpu/cz_ih.c @@ -216,6 +216,11 @@ static u32 cz_ih_get_wptr(struct amdgpu_device *adev, tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1); WREG32(mmIH_RB_CNTL, tmp); + /* Unset the CLEAR_OVERFLOW bit immediately so new overflows + * can be detected. + */ + tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 0); + WREG32(mmIH_RB_CNTL, tmp); out: return (wptr & ih->ptr_mask); |