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Diffstat (limited to 'drivers/gpu/drm/radeon/si.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 6bce40847753..eacbe8a9ac55 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6316,6 +6316,7 @@ static inline u32 si_get_ih_wptr(struct radeon_device *rdev) wptr = RREG32(IH_RB_WPTR); if (wptr & RB_OVERFLOW) { + wptr &= ~RB_OVERFLOW; /* When a ring buffer overflow happen start parsing interrupt * from the last not overwritten vector (wptr + 16). Hopefully * this should allow us to catchup. @@ -6326,7 +6327,6 @@ static inline u32 si_get_ih_wptr(struct radeon_device *rdev) tmp = RREG32(IH_RB_CNTL); tmp |= IH_WPTR_OVERFLOW_CLEAR; WREG32(IH_RB_CNTL, tmp); - wptr &= ~RB_OVERFLOW; } return (wptr & rdev->ih.ptr_mask); } |