Commit 85364905 authored by Jesse Barnes's avatar Jesse Barnes Committed by Eric Anholt
Browse files

drm/i915: warn if Pineview CxSR can't be enabled 

If we don't detect a supported memory configuration, we can't enable
CxSR.  Warn the user in this case so they can file a bug.
parent 22fd0fab

drivers/gpu/drm/i915/intel_display.c

+7 −0
Original line number Diff line number Diff line
@@ -4740,6 +4740,13 @@ void intel_modeset_init(struct drm_device *dev) 
		    (unsigned long)dev);



	intel_setup_overlay(dev);



	if (IS_IGD(dev) && !intel_get_cxsr_latency(IS_IGDG(dev),

						   dev_priv->fsb_freq,

						   dev_priv->mem_freq))

		DRM_INFO("failed to find known CxSR latency "

			 "(found fsb freq %d, mem freq %d), disabling CxSR\n",

			 dev_priv->fsb_freq, dev_priv->mem_freq);

}



void intel_modeset_cleanup(struct drm_device *dev)