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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-14 13:22:23 +0400 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-09-14 13:35:43 +0400 |
| commit | 0bc23aad3b67ca0cd7480dec0b7652d9b8686432 (patch) | |
| tree | 3e4d3017719698298d94560f46f6b4c06ee62162 /drivers/gpu/drm | |
| parent | 7213342db58adb7b8e399a00fc423951d7f75369 (diff) | |
| download | linux-0bc23aad3b67ca0cd7480dec0b7652d9b8686432.tar.xz | |
drm/i915: Fix regression in ba3d8d749b
I pulled the wrong version of the patch from Daniel Vetter which was
missing the read barriers -- and the one that was causing all the trouble
was from i915_gem_object_put_fence_reg(), leading to GPU hangs on gen3.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 328f8c9ee966..4a0d85c78d47 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2430,12 +2430,16 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj) int ret; ret = i915_gem_object_flush_gpu_write_domain(obj, false); - if (ret != 0) + if (ret) + return ret; + + ret = i915_gem_object_wait_rendering(obj); + if (ret) return ret; } i915_gem_object_flush_gtt_write_domain(obj); - i915_gem_clear_fence_reg (obj); + i915_gem_clear_fence_reg(obj); return 0; } |