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authorEric Anholt <eric@anholt.net>2009-11-05 18:30:35 -0500
committerEric Anholt <eric@anholt.net>2010-02-26 16:23:18 -0500
commitc2416fc6bb16fa87bcc4b9d90a7632f3531bdee6 (patch)
tree02de787f2c323368aab11784f06a70485d53e81c /drivers/gpu
parente3deb204c69c485c88c990f07b71be10a464e508 (diff)
drm/i915: Disable the surface tile swizzling on Sandybridge.
I can't explain this, except that it makes my display correct. Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ce28f18e0852..3fe90730b0ff 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3419,7 +3419,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
3419 3419
3420 intel_wait_for_vblank(dev); 3420 intel_wait_for_vblank(dev);
3421 3421
3422 if (HAS_PCH_SPLIT(dev)) { 3422 if (IS_IRONLAKE(dev)) {
3423 /* enable address swizzle for tiling buffer */ 3423 /* enable address swizzle for tiling buffer */
3424 temp = I915_READ(DISP_ARB_CTL); 3424 temp = I915_READ(DISP_ARB_CTL);
3425 I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING); 3425 I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING);