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Commit 18ffe4b1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  vmwgfx: Fix fb VRAM pinning failure due to fragmentation
  vmwgfx: Remove initialisation of dev::devname
  vmwgfx: Enable use of the vblank system
  vmwgfx: vt-switch (master drop) fixes
  drm/vmwgfx: Fix breakage introduced by commit "drm: block userspace under allocating buffer and having drivers overwrite it (v2)"
  drm: Hold the mutex when dropping the last GEM reference (v2)
  drm/gem: handlecount isn't really a kref so don't make it one.
  drm: i810/i830: fix locked ioctl variant
  drm/radeon/kms: add quirk for MSI K9A2GM motherboard
  drm/radeon/kms: fix potential segfault in r600_ioctl_wait_idle
  drm: Prune GEM vma entries
  drm/radeon/kms: fix up encoder info messages for DFP6
  drm/radeon: fix PCI ID 5657 to be an RV410
parents b10c4d40 abb295f3

drivers/gpu/drm/drm_gem.c

+10 −29
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ int drm_gem_object_init(struct drm_device *dev, 
		return -ENOMEM;



	kref_init(&obj->refcount);

	kref_init(&obj->handlecount);

	atomic_set(&obj->handle_count, 0);

	obj->size = size;



	atomic_inc(&dev->object_count);
@@ -462,28 +462,6 @@ drm_gem_object_free(struct kref *kref) 
}

EXPORT_SYMBOL(drm_gem_object_free);



/**

 * Called after the last reference to the object has been lost.

 * Must be called without holding struct_mutex

 *

 * Frees the object

 */

void

drm_gem_object_free_unlocked(struct kref *kref)

{

	struct drm_gem_object *obj = (struct drm_gem_object *) kref;

	struct drm_device *dev = obj->dev;



	if (dev->driver->gem_free_object_unlocked != NULL)

		dev->driver->gem_free_object_unlocked(obj);

	else if (dev->driver->gem_free_object != NULL) {

		mutex_lock(&dev->struct_mutex);

		dev->driver->gem_free_object(obj);

		mutex_unlock(&dev->struct_mutex);

	}

}

EXPORT_SYMBOL(drm_gem_object_free_unlocked);



static void drm_gem_object_ref_bug(struct kref *list_kref)

{

	BUG();
@@ -496,12 +474,8 @@ static void drm_gem_object_ref_bug(struct kref *list_kref) 
 * called before drm_gem_object_free or we'll be touching

 * freed memory

 */

void

drm_gem_object_handle_free(struct kref *kref)

void drm_gem_object_handle_free(struct drm_gem_object *obj)

{

	struct drm_gem_object *obj = container_of(kref,

						  struct drm_gem_object,

						  handlecount);

	struct drm_device *dev = obj->dev;



	/* Remove any name for this object */
@@ -528,6 +502,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma) 
	struct drm_gem_object *obj = vma->vm_private_data;



	drm_gem_object_reference(obj);



	mutex_lock(&obj->dev->struct_mutex);

	drm_vm_open_locked(vma);

	mutex_unlock(&obj->dev->struct_mutex);

}

EXPORT_SYMBOL(drm_gem_vm_open);
@@ -535,7 +513,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma) 
{

	struct drm_gem_object *obj = vma->vm_private_data;



	drm_gem_object_unreference_unlocked(obj);

	mutex_lock(&obj->dev->struct_mutex);

	drm_vm_close_locked(vma);

	drm_gem_object_unreference(obj);

	mutex_unlock(&obj->dev->struct_mutex);

}

EXPORT_SYMBOL(drm_gem_vm_close);

drivers/gpu/drm/drm_info.c

+1 −1
Original line number Diff line number Diff line
@@ -255,7 +255,7 @@ int drm_gem_one_name_info(int id, void *ptr, void *data) 


	seq_printf(m, "%6d %8zd %7d %8d\n",

		   obj->name, obj->size,

		   atomic_read(&obj->handlecount.refcount),

		   atomic_read(&obj->handle_count),

		   atomic_read(&obj->refcount.refcount));

	return 0;

}

drivers/gpu/drm/drm_vm.c

+18 −10
Original line number Diff line number Diff line
@@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma) 
	mutex_unlock(&dev->struct_mutex);

}



/**

 * \c close method for all virtual memory types.

 *

 * \param vma virtual memory area.

 *

 * Search the \p vma private data entry in drm_device::vmalist, unlink it, and

 * free it.

 */

static void drm_vm_close(struct vm_area_struct *vma)

void drm_vm_close_locked(struct vm_area_struct *vma)

{

	struct drm_file *priv = vma->vm_file->private_data;

	struct drm_device *dev = priv->minor->dev;
@@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma) 
		  vma->vm_start, vma->vm_end - vma->vm_start);

	atomic_dec(&dev->vma_count);



	mutex_lock(&dev->struct_mutex);

	list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {

		if (pt->vma == vma) {

			list_del(&pt->head);
@@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma) 
			break;

		}

	}

}



/**

 * \c close method for all virtual memory types.

 *

 * \param vma virtual memory area.

 *

 * Search the \p vma private data entry in drm_device::vmalist, unlink it, and

 * free it.

 */

static void drm_vm_close(struct vm_area_struct *vma)

{

	struct drm_file *priv = vma->vm_file->private_data;

	struct drm_device *dev = priv->minor->dev;



	mutex_lock(&dev->struct_mutex);

	drm_vm_close_locked(vma);

	mutex_unlock(&dev->struct_mutex);

}

drivers/gpu/drm/i810/i810_dma.c

+1 −1
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) 
static const struct file_operations i810_buffer_fops = {

	.open = drm_open,

	.release = drm_release,

	.unlocked_ioctl = drm_ioctl,

	.unlocked_ioctl = i810_ioctl,

	.mmap = i810_mmap_buffers,

	.fasync = drm_fasync,

};

drivers/gpu/drm/i830/i830_dma.c

+1 −1
Original line number Diff line number Diff line
@@ -118,7 +118,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) 
static const struct file_operations i830_buffer_fops = {

	.open = drm_open,

	.release = drm_release,

	.unlocked_ioctl = drm_ioctl,

	.unlocked_ioctl = i830_ioctl,

	.mmap = i830_mmap_buffers,

	.fasync = drm_fasync,

};