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drm/exynos: fixed duplicatd memory allocation bug.

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the gem was already allocated at gem allocation time but is allocated
at page fault handler so this patch fixes the problem that gem was
allocated one more time.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2012-04-23 19:36:39 +09:00
parent 273a50fbcd
commit 887ea3db26
1 changed files with 0 additions and 12 deletions
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12
drivers/gpu/drm/exynos/exynos_drm_gem.c
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@ -712,7 +712,6 @@ int exynos_drm_gem_dumb_destroy(struct drm_file *file_priv,
int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct drm_gem_object *obj = vma->vm_private_data;
struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj);
struct drm_device *dev = obj->dev;
unsigned long f_vaddr;
pgoff_t page_offset;
@ -724,21 +723,10 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
mutex_lock(&dev->struct_mutex);
/*
* allocate all pages as desired size if user wants to allocate
* physically non-continuous memory.
*/
if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG) {
ret = exynos_drm_gem_get_pages(obj);
if (ret < 0)
goto err;
}
ret = exynos_drm_gem_map_pages(obj, vma, f_vaddr, page_offset);
if (ret < 0)
DRM_ERROR("failed to map pages.\n");
err:
mutex_unlock(&dev->struct_mutex);
return convert_to_vm_err_msg(ret);