From: Ville Syrj?l? <ville.syrjala at linux.intel.com>
Our checks for an invalid fence stride forgot to guard against
zero stride on gen4+. Fix it.
Signed-off-by: Ville Syrj?l? <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem_tiling.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 139d17d..16ff6e7 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -240,6 +240,8 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
/* 965+ just needs multiples of tile width */
if (INTEL_INFO(dev)->gen >= 4) {
+ if (stride < tile_width)
+ return false;
if (stride & (tile_width - 1))
return false;
return true;
--
1.8.1.5
