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drm/i915: fix intel_ddi_get_cdclk_freq for ULT machines

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For now, this code is just used by the eDP AUX channel frequency.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Paulo Zanoni 2012-11-20 13:27:43 -02:00 committed by Daniel Vetter
parent 54075a7d75
commit d567b07fce
2 changed files with 4 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
View file

@ -1161,6 +1161,8 @@ struct drm_i915_file_private {
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_ULT(dev) (IS_HASWELL(dev) && \
((dev)->pci_device & 0xFF00) == 0x0A00)
/*
* The genX designation typically refers to the render engine, so render

2
drivers/gpu/drm/i915/intel_ddi.c
View file

@ -1309,6 +1309,8 @@ int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
else if ((I915_READ(LCPLL_CTL) & LCPLL_CLK_FREQ_MASK) ==
LCPLL_CLK_FREQ_450)
return 450;
else if (IS_ULT(dev_priv->dev))
return 338;
else
return 540;
}