From: Paulo Zanoni Date: Tue, 20 Nov 2012 15:27:43 +0000 (-0200) Subject: drm/i915: fix intel_ddi_get_cdclk_freq for ULT machines X-Git-Tag: upstream/snapshot3+hdmi~5652^2~40^2~116 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d567b07fce8f55f82e2cfe040cd74f7b4997ff38;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git drm/i915: fix intel_ddi_get_cdclk_freq for ULT machines For now, this code is just used by the eDP AUX channel frequency. Signed-off-by: Paulo Zanoni Reviewed-by: Damien Lespiau Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 669afca..87c06f9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -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 diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index d706d53..852012b 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -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; }