Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 259664
b: refs/heads/master
c: f0017b1
h: refs/heads/master
v: v3
  • Loading branch information
Alan Cox authored and Greg Kroah-Hartman committed Jul 5, 2011
1 parent a177ff4 commit d05b15d
Show file tree
Hide file tree
Showing 4 changed files with 7 additions and 38 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 99d8f0349bdc9e2fe232cbc729b2bd8e32c6d6a5
refs/heads/master: f0017b10499f1074d3b3c9a438bc9150940d9dc9
1 change: 0 additions & 1 deletion trunk/drivers/staging/gma500/psb_fb.c
Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,6 @@ static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
struct psb_fbdev *fbdev = info->par;
struct psb_framebuffer *psbfb = &fbdev->pfb;
char *fb_screen_base = NULL;
struct drm_device *dev = psbfb->base.dev;

if (vma->vm_pgoff != 0)
return -EINVAL;
Expand Down
41 changes: 6 additions & 35 deletions trunk/drivers/staging/gma500/psb_gtt.c
Original file line number Diff line number Diff line change
Expand Up @@ -303,8 +303,6 @@ struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
gt->in_gart = backed;
/* Ensure this is set for non GEM objects */
gt->gem.dev = dev;
kref_init(&gt->kref);

ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,
len, start, end, PAGE_SIZE, NULL, NULL);
if (ret == 0) {
Expand All @@ -316,18 +314,15 @@ struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
}

/**
* psb_gtt_destroy - final free up of a gtt
* @kref: the kref of the gtt
*
* Called from the kernel kref put when the final reference to our
* GTT object is dropped. At that point we can free up the resources.
* psb_gtt_free_range - release GTT address space
* @dev: our DRM device
* @gt: a mapping created with psb_gtt_alloc_range
*
* For now we handle mmap clean up here to work around limits in GEM
* Release a resource that was allocated with psb_gtt_alloc_range. If the object
* has been pinned by mmap users we clean this up here currently.
*/
static void psb_gtt_destroy(struct kref *kref)
void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
{
struct gtt_range *gt = container_of(kref, struct gtt_range, kref);

/* Undo the mmap pin if we are destroying the object */
if (gt->mmapping) {
psb_gtt_unpin(gt);
Expand All @@ -338,30 +333,6 @@ static void psb_gtt_destroy(struct kref *kref)
kfree(gt);
}

/**
* psb_gtt_kref_put - drop reference to a GTT object
* @gt: the GT being dropped
*
* Drop a reference to a psb gtt
*/
void psb_gtt_kref_put(struct gtt_range *gt)
{
kref_put(&gt->kref, psb_gtt_destroy);
}

/**
* psb_gtt_free_range - release GTT address space
* @dev: our DRM device
* @gt: a mapping created with psb_gtt_alloc_range
*
* Release a resource that was allocated with psb_gtt_alloc_range
*/
void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
{
psb_gtt_kref_put(gt);
}


struct psb_gtt *psb_gtt_alloc(struct drm_device *dev)
{
struct psb_gtt *tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
Expand Down
1 change: 0 additions & 1 deletion trunk/drivers/staging/gma500/psb_gtt.h
Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,6 @@ extern void psb_gtt_takedown(struct drm_device *dev);
struct gtt_range {
struct resource resource; /* Resource for our allocation */
u32 offset; /* GTT offset of our object */
struct kref kref; /* Can probably go FIXME - GEM kref will do */
struct drm_gem_object gem; /* GEM high level stuff */
int in_gart; /* Currently in the GART (ref ct) */
bool stolen; /* Backed from stolen RAM */
Expand Down

0 comments on commit d05b15d

Please sign in to comment.