From 1c5fd08520de35c7ac0d70e2ed3c3bb200830447 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 4 Sep 2013 10:54:30 +0100 Subject: [PATCH] drm/i915: Confine page flips to BCS on Valleyview Once again we find that Valleyview is ever so subtlety different from the rest of its gen7 brethen. In this case, Valleyview has no support for pageflipping from the RCS ring. Fixes a regression from commit ffe74d75502e3a9b0791240b5562bcbecc6ab8dc Author: Chris Wilson Date: Mon Aug 26 20:58:12 2013 +0100 drm/i915: Use RCS flips on Ivybridge+ Reported-by: "Lee, Chon Ming" Signed-off-by: Chris Wilson Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68968 Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0534d5b..0ee8901 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -7844,7 +7844,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev, int len, ret; ring = obj->ring; - if (ring == NULL || ring->id != RCS) + if (IS_VALLEYVIEW(dev) || ring == NULL || ring->id != RCS) ring = &dev_priv->ring[BCS]; ret = intel_pin_and_fence_fb_obj(dev, obj, ring); -- 2.7.4