Commit 8b99e68c authored by Chris Wilson's avatar Chris Wilson

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: default avatarZhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 736085bc
......@@ -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 = {
......
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