From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 18 Dec 2013 15:30:22 +0000 (+0100)
Subject: drm/i915: Reject the pin ioctl on gen6+
X-Git-Tag: firefly_0821_release~176^2~4105^2~62^2~80^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=02f6bcccf7c324115747aae2f0addd6af5d321cd;p=firefly-linux-kernel-4.4.55.git

drm/i915: Reject the pin ioctl on gen6+

Especially with ppgtt this kinda stopped making sense. And if we
indeed need this to hack around an issue, we need something that also
works for non-root.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f3b0025998db..9ff350965753 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3916,6 +3916,9 @@ i915_gem_pin_ioctl(struct drm_device *dev, void *data,
 	struct drm_i915_gem_object *obj;
 	int ret;
 
+	if (INTEL_INFO(dev)->gen >= 6)
+		return -ENODEV;
+
 	ret = i915_mutex_lock_interruptible(dev);
 	if (ret)
 		return ret;