Commit eb4926e4 authored Jun 07, 2013 by Damien Lespiau Committed by Daniel Vetter Jul 16, 2013

drm/i915: Don't try to calculate RC6 residency on GEN4 and before



intel_enable_rc6() is used to check if we can compute the RC6 residency
in the sysfs code. Disable this for platforms older than Ironlake.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

parent 19bc678a

drivers/gpu/drm/i915/intel_pm.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -3167,6 +3167,10 @@ static void valleyview_disable_rps(struct drm_device *dev)

		int intel_enable_rc6(const struct drm_device *dev)
		{
		/* No RC6 before Ironlake */
		if (INTEL_INFO(dev)->gen < 5)
		return 0;

		/* Respect the kernel parameter if it is set */
		if (i915_enable_rc6 >= 0)
		return i915_enable_rc6;