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drm/i915: Confine page flips to BCS on Valleyview

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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 ffe74d7550
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Mon Aug 26 20:58:12 2013 +0100

    drm/i915: Use RCS flips on Ivybridge+

Reported-by: "Lee, Chon Ming" <chon.ming.lee@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68968
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Chris Wilson 2013-09-04 10:54:30 +01:00 committed by Daniel Vetter
parent 6644a4e942
commit 1c5fd08520
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_display.c
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@ -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);