[Intel-gfx] [PATCH] drm/i915: fix swizzling on gen6+
Daniel Vetter
daniel.vetter at ffwll.ch
Mon Sep 12 20:49:16 CEST 2011
Fixes tests/gem_tiled_pread on my snb. I know, mesa doesn't use this
on gen6+, but I also hate failing testcases.
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_gem_tiling.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 99c4faa..103da6f 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -92,7 +92,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
- if (INTEL_INFO(dev)->gen >= 5) {
+ if (INTEL_INFO(dev)->gen >= 6) {
+ swizzle_x = I915_BIT_6_SWIZZLE_NONE;
+ swizzle_y = I915_BIT_6_SWIZZLE_NONE;
+ } else if (IS_GEN5(dev)) {
/* On Ironlake whatever DRAM config, GPU always do
* same swizzling setup.
*/
--
1.7.6
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