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drm/i915: Disable the surface tile swizzling on Sandybridge.
author
Eric Anholt
<eric@anholt.net>
Thu, 5 Nov 2009 23:30:35 +0000
(15:30 -0800)
committer
Eric Anholt
<eric@anholt.net>
Fri, 26 Feb 2010 21:23:18 +0000
(13:23 -0800)
I can't explain this, except that it makes my display correct.
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/intel_display.c
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diff --git
a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index ce28f18e0852d9410bdb1147dc61e1119df0d5f2..3fe90730b0ff131e1d7f316f27c0db964effab47 100644
(file)
--- 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,
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);