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| author | Joonyoung Shim <jy0922.shim@samsung.com> | 2015-07-28 08:53:19 (GMT) |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2015-08-16 04:30:15 (GMT) |
| commit | 0e9a2ee3bc1ee24be519312453ef93288b545ad3 (patch) | |
| tree | 0d6141e1fb3d9dbd2ff0b4d8f949ec0679d48ae7 /drivers/gpu/drm/exynos | |
| parent | 67412d15afb7cc34943157c4bce2cf138b579fd1 (diff) | |
| download | linux-0e9a2ee3bc1ee24be519312453ef93288b545ad3.tar.xz | |
drm/exynos: remove function exynos_drm_gem_map_buf
The exynos_drm_gem_map_buf can be merged in exynos_drm_gem_fault.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 0c53b85..4d9a099 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -53,25 +53,6 @@ static unsigned long roundup_gem_size(unsigned long size, unsigned int flags) return roundup(size, PAGE_SIZE); } -static int exynos_drm_gem_map_buf(struct drm_gem_object *obj, - struct vm_area_struct *vma, - unsigned long f_vaddr, - pgoff_t page_offset) -{ - struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); - struct exynos_drm_gem_buf *buf = exynos_gem_obj->buffer; - unsigned long pfn; - - if (page_offset >= (buf->size >> PAGE_SHIFT)) { - DRM_ERROR("invalid page offset\n"); - return -EINVAL; - } - - pfn = page_to_pfn(buf->pages[page_offset]); - - return vm_insert_mixed(vma, f_vaddr, pfn); -} - static int exynos_drm_gem_handle_create(struct drm_gem_object *obj, struct drm_file *file_priv, unsigned int *handle) @@ -560,18 +541,25 @@ unlock: int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_gem_object *obj = vma->vm_private_data; - unsigned long f_vaddr; + struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); + struct exynos_drm_gem_buf *buf = exynos_gem_obj->buffer; + unsigned long pfn; pgoff_t page_offset; int ret; page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >> PAGE_SHIFT; - f_vaddr = (unsigned long)vmf->virtual_address; - ret = exynos_drm_gem_map_buf(obj, vma, f_vaddr, page_offset); - if (ret < 0) - DRM_ERROR("failed to map a buffer with user.\n"); + if (page_offset >= (buf->size >> PAGE_SHIFT)) { + DRM_ERROR("invalid page offset\n"); + ret = -EINVAL; + goto out; + } + pfn = page_to_pfn(buf->pages[page_offset]); + ret = vm_insert_mixed(vma, (unsigned long)vmf->virtual_address, pfn); + +out: switch (ret) { case 0: case -ERESTARTSYS: |