From c2416fc6bb16fa87bcc4b9d90a7632f3531bdee6 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Thu, 5 Nov 2009 15:30:35 -0800
Subject: [PATCH] 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>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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,
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);
--
2.50.1