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authorJiri Kosina <jkosina@suse.cz>2011-07-11 14:15:48 +0200
committerJiri Kosina <jkosina@suse.cz>2011-07-11 14:15:55 +0200
commitb7e9c223be8ce335e30f2cf6ba588e6a4092275c (patch)
tree2d1e3b75606abc18df7ad65e51ac3f90cd68b38d /drivers/gpu/drm/i915/intel_overlay.c
parentc172d82500a6cf3c32d1e650722a1055d72ce858 (diff)
parente3bbfa78bab125f58b831b5f7f45b5a305091d72 (diff)
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply pending patches that are based on newer code already present upstream.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_overlay.c')
-rw-r--r--drivers/gpu/drm/i915/intel_overlay.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index a670c006982e..9e2959bc91cd 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -1409,6 +1409,11 @@ void intel_setup_overlay(struct drm_device *dev)
overlay = kzalloc(sizeof(struct intel_overlay), GFP_KERNEL);
if (!overlay)
return;
+
+ mutex_lock(&dev->struct_mutex);
+ if (WARN_ON(dev_priv->overlay))
+ goto out_free;
+
overlay->dev = dev;
reg_bo = i915_gem_alloc_object(dev, PAGE_SIZE);
@@ -1448,7 +1453,7 @@ void intel_setup_overlay(struct drm_device *dev)
regs = intel_overlay_map_regs(overlay);
if (!regs)
- goto out_free_bo;
+ goto out_unpin_bo;
memset(regs, 0, sizeof(struct overlay_registers));
update_polyphase_filter(regs);
@@ -1457,14 +1462,17 @@ void intel_setup_overlay(struct drm_device *dev)
intel_overlay_unmap_regs(overlay, regs);
dev_priv->overlay = overlay;
+ mutex_unlock(&dev->struct_mutex);
DRM_INFO("initialized overlay support\n");
return;
out_unpin_bo:
- i915_gem_object_unpin(reg_bo);
+ if (!OVERLAY_NEEDS_PHYSICAL(dev))
+ i915_gem_object_unpin(reg_bo);
out_free_bo:
drm_gem_object_unreference(&reg_bo->base);
out_free:
+ mutex_unlock(&dev->struct_mutex);
kfree(overlay);
return;
}