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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-11-20 15:27:43 (GMT)
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-11-21 16:47:11 (GMT)
commitd567b07fce8f55f82e2cfe040cd74f7b4997ff38 (patch)
tree7f25f959da356ad1fba176f522f87b45f5034d4b /drivers
parent54075a7d75732147c32f7a99af5218f7d0f62596 (diff)
downloadlinux-fsl-qoriq-d567b07fce8f55f82e2cfe040cd74f7b4997ff38.tar.xz
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 <paulo.r.zanoni@intel.com> Reviewed-by: Damien Lespiau <damien.lespiau@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h2
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c2
2 files changed, 4 insertions, 0 deletions
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;
}