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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-13 09:59:17 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-10-19 09:16:52 +0100 |
| commit | 8b99e68c0a40bcf082c1ba9aaad83cca4def8cec (patch) | |
| tree | a4f39bd07c900cc7202e78f8fe9fd628c9215396 /drivers | |
| parent | 736085bcf91720fd90175c288c542c721c281bb0 (diff) | |
| download | kernel_samsung_smdk4412-8b99e68c0a40bcf082c1ba9aaad83cca4def8cec.zip kernel_samsung_smdk4412-8b99e68c0a40bcf082c1ba9aaad83cca4def8cec.tar.gz kernel_samsung_smdk4412-8b99e68c0a40bcf082c1ba9aaad83cca4def8cec.tar.bz2 | |
drm/i915: restore fixed FDI link rate on Sandybridge
FDI_PLL_BIOS_0 register is for Ironlake only, don't apply to
Sandybridge.
Original-patch-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index faacbbd..cda36b3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -345,8 +345,11 @@ intel_find_pll_ironlake_dp(const intel_limit_t *, struct drm_crtc *crtc, static inline u32 /* units of 100MHz */ intel_fdi_link_freq(struct drm_device *dev) { - struct drm_i915_private *dev_priv = dev->dev_private; - return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; + if (IS_GEN5(dev)) { + struct drm_i915_private *dev_priv = dev->dev_private; + return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; + } else + return 27; } static const intel_limit_t intel_limits_i8xx_dvo = { |