drm/i915: Assume 400MHz cdclk for the rest of gen4-7
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 31 Mar 2015 11:11:56 +0000 (14:11 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 31 Mar 2015 15:28:46 +0000 (17:28 +0200)
We don't currently have cdclk extraction code for 965g,snb,ivb.
Let's assume 400 MHz until we know better. That seems to match hints
in various vague documents. Whether that's good enough is not
entirely clear.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Acked-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c

index c43716a..44a146b 100644 (file)
@@ -13506,7 +13506,8 @@ static void intel_init_display(struct drm_device *dev)
        else if (IS_GEN5(dev))
                dev_priv->display.get_display_clock_speed =
                        ilk_get_display_clock_speed;
-       else if (IS_I945G(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev)))
+       else if (IS_I945G(dev) || IS_BROADWATER(dev) ||
+                IS_GEN6(dev) || IS_IVYBRIDGE(dev) || (IS_G33(dev) && !IS_PINEVIEW_M(dev)))
                dev_priv->display.get_display_clock_speed =
                        i945_get_display_clock_speed;
        else if (IS_I915G(dev))