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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>
This commit is contained in:
Eric Anholt 2009-11-05 15:30:35 -08:00
parent e3deb204c6
commit c2416fc6bb
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -3419,7 +3419,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
intel_wait_for_vblank(dev);
if (HAS_PCH_SPLIT(dev)) {
if (IS_IRONLAKE(dev)) {
/* enable address swizzle for tiling buffer */
temp = I915_READ(DISP_ARB_CTL);
I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING);