drm/i915: Allow PPGTT enable to fail
I'm really not happy that we have to support this, but this will be the
simplest way to handle cases where PPGTT init can fail, which I promise
will be coming in the future.
v2: Resolve conflicts due to patch series reordering.
Signed-off-by: Ben Widawsky <ben@bwidawsk.net> (v1)
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 8a73a68..da6d6de 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4029,8 +4029,13 @@
* contexts before PPGTT.
*/
i915_gem_context_init(dev);
- if (dev_priv->mm.aliasing_ppgtt)
- dev_priv->mm.aliasing_ppgtt->enable(dev);
+ if (dev_priv->mm.aliasing_ppgtt) {
+ ret = dev_priv->mm.aliasing_ppgtt->enable(dev);
+ if (ret) {
+ i915_gem_cleanup_aliasing_ppgtt(dev);
+ DRM_INFO("PPGTT enable failed. This is not fatal, but unexpected\n");
+ }
+ }
return 0;
}