From: Christian König Date: Tue, 18 Feb 2014 14:03:22 +0000 (+0100) Subject: drm/radeon: cleanup false positive lockup handling X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=82dc62a31ce3ed7b4eeea9c65a3b69e81e2ea688;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git drm/radeon: cleanup false positive lockup handling Check always when we calculate the free dw, not just the first time. Signed-off-by: Christian König Reviewed-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 668097abb424..b14c86d57607 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -349,7 +349,10 @@ void radeon_ring_free_size(struct radeon_device *rdev, struct radeon_ring *ring) ring->ring_free_dw -= ring->wptr; ring->ring_free_dw &= ring->ptr_mask; if (!ring->ring_free_dw) { + /* this is an empty ring */ ring->ring_free_dw = ring->ring_size / 4; + /* update lockup info to avoid false positive */ + radeon_ring_lockup_update(rdev, ring); } } @@ -373,12 +376,6 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi /* Align requested size with padding so unlock_commit can * pad safely */ radeon_ring_free_size(rdev, ring); - if (ring->ring_free_dw == (ring->ring_size / 4)) { - /* This is an empty ring update lockup info to avoid - * false positive. - */ - radeon_ring_lockup_update(rdev, ring); - } ndw = (ndw + ring->align_mask) & ~ring->align_mask; while (ndw > (ring->ring_free_dw - 1)) { radeon_ring_free_size(rdev, ring);