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path: root/drivers/gpu/drm/radeon/evergreen.c
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-rw-r--r--drivers/gpu/drm/radeon/evergreen.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 250bac3935a4..15e4f28015e1 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -4756,6 +4756,7 @@ static u32 evergreen_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);
}