From: Daniel Vetter Date: Fri, 14 Feb 2014 13:01:17 +0000 (+0100) Subject: drm/i915: Don't allocate context pages as mappable X-Git-Tag: firefly_0821_release~176^2~4105^2~59^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c69766f2b9fa612840a820b68f7a417cc64c102b;p=firefly-linux-kernel-4.4.55.git drm/i915: Don't allocate context pages as mappable Only the hardware really access them, so no need to have cpu gtt access available. Split out from Chris vma-bind rework. Note that this is only possible due to the split-up of the mappable pin flag into PIN_GLOBAL and PIN_MAPPABLE. Cc: Chris Wilson Cc: Ben Widawsky Reviewed-by: Chris Wilson Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 136647037244..a6b877a4a916 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2741,7 +2741,7 @@ intel_alloc_context_page(struct drm_device *dev) return NULL; } - ret = i915_gem_obj_ggtt_pin(ctx, 4096, PIN_MAPPABLE); + ret = i915_gem_obj_ggtt_pin(ctx, 4096, 0); if (ret) { DRM_ERROR("failed to pin power context: %d\n", ret); goto err_unref;