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| author | Zhenyu Wang <zhenyu.z.wang@intel.com> | 2010-11-04 10:02:54 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-04 10:39:15 +0100 |
| commit | e07ac3a0b17ed9dec26b742ea41514063ef12386 (patch) | |
| tree | d02accfc81e76a60a3bf29e93c24213aa6aea2e4 /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: Fix KMS regression on Sandybridge/CPT (diff) | |
| download | linux-e07ac3a0b17ed9dec26b742ea41514063ef12386.tar.xz linux-e07ac3a0b17ed9dec26b742ea41514063ef12386.zip | |
drm/i915; Don't apply Ironlake FDI clock workaround to Sandybridge
Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Cc: stable@kernel.org
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5e839c762456..48d8fd686ea9 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2212,9 +2212,10 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc) udelay(100); /* Ironlake workaround, disable clock pointer after downing FDI */ - I915_WRITE(FDI_RX_CHICKEN(pipe), - I915_READ(FDI_RX_CHICKEN(pipe) & - ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); + if (HAS_PCH_IBX(dev)) + I915_WRITE(FDI_RX_CHICKEN(pipe), + I915_READ(FDI_RX_CHICKEN(pipe) & + ~FDI_RX_PHASE_SYNC_POINTER_ENABLE)); /* still set train pattern 1 */ reg = FDI_TX_CTL(pipe); |