diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-06-22 11:07:26 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-06-22 11:09:12 +0100 |
| commit | cd34cbeb9f5c65b25d241700f27c16b36e1ecce6 (patch) | |
| tree | 4c4bc0904dd26a6794693713486e2aa0e2c480b4 | |
| parent | 13e8270504cffa96bd067dc5c792a79555e8b2d4 (diff) | |
intel: Sanitise strides for linear buffers and SET_TILING
Ensure that the user doesn't attempt to specify a stride to use with a
linear buffer by forcing such to be zero.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | intel/intel_bufmgr_gem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 37b74677..14b6d7bb 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -1735,6 +1735,12 @@ drm_intel_gem_bo_set_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, if (bo_gem->global_name == 0) return 0; + /* Linear buffers have no stride. By ensuring that we only ever use + * stride 0 with linear buffers, we simplify our code. + */ + if (*tiling_mode === I915_TILING_NONE) + stride = 0; + ret = drm_intel_gem_bo_set_tiling_internal(bo, *tiling_mode, stride); if (ret == 0) drm_intel_bo_gem_set_in_aperture_size(bufmgr_gem, bo_gem); |