diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2019-06-13 09:30:41 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2019-06-13 13:37:36 +0200 |
| commit | 921721738f4994b54f916f9a3bdd5dfdf26f753c (patch) | |
| tree | 63e4e4027beb1654899148a9e715b8e1f8279e16 /drivers/gpu/drm/drm_gem_vram_helper.c | |
| parent | 57c84d5c9348bda5e9129bc4e4e567546915ad8c (diff) | |
drm: Remove functions with kmap-object argument from GEM VRAM helpers
The GEM VRAM functions with kmap-object argument are not required any
longer. Remove them.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613073041.29350-10-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/drm_gem_vram_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem_vram_helper.c | 50 |
1 files changed, 8 insertions, 42 deletions
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c index 4cae52054e61..4de782ca26b2 100644 --- a/drivers/gpu/drm/drm_gem_vram_helper.c +++ b/drivers/gpu/drm/drm_gem_vram_helper.c @@ -279,12 +279,11 @@ err_ttm_bo_unreserve: EXPORT_SYMBOL(drm_gem_vram_unpin); /** - * drm_gem_vram_kmap_at() - Maps a GEM VRAM object into kernel address space + * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space * @gbo: the GEM VRAM object * @map: establish a mapping if necessary * @is_iomem: returns true if the mapped memory is I/O memory, or false \ otherwise; can be NULL - * @kmap: the mapping's kmap object * * This function maps the buffer object into the kernel's address space * or returns the current mapping. If the parameter map is false, the @@ -296,10 +295,11 @@ EXPORT_SYMBOL(drm_gem_vram_unpin); * NULL if not mapped, or * an ERR_PTR()-encoded error code otherwise. */ -void *drm_gem_vram_kmap_at(struct drm_gem_vram_object *gbo, bool map, - bool *is_iomem, struct ttm_bo_kmap_obj *kmap) +void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, + bool *is_iomem) { int ret; + struct ttm_bo_kmap_obj *kmap = &gbo->kmap; if (kmap->virtual || !map) goto out; @@ -317,56 +317,22 @@ out: } return ttm_kmap_obj_virtual(kmap, is_iomem); } -EXPORT_SYMBOL(drm_gem_vram_kmap_at); - -/** - * drm_gem_vram_kmap() - Maps a GEM VRAM object into kernel address space - * @gbo: the GEM VRAM object - * @map: establish a mapping if necessary - * @is_iomem: returns true if the mapped memory is I/O memory, or false \ - otherwise; can be NULL - * - * This function maps the buffer object into the kernel's address space - * or returns the current mapping. If the parameter map is false, the - * function only queries the current mapping, but does not establish a - * new one. - * - * Returns: - * The buffers virtual address if mapped, or - * NULL if not mapped, or - * an ERR_PTR()-encoded error code otherwise. - */ -void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, - bool *is_iomem) -{ - return drm_gem_vram_kmap_at(gbo, map, is_iomem, &gbo->kmap); -} EXPORT_SYMBOL(drm_gem_vram_kmap); /** - * drm_gem_vram_kunmap_at() - Unmaps a GEM VRAM object + * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object * @gbo: the GEM VRAM object - * @kmap: the mapping's kmap object */ -void drm_gem_vram_kunmap_at(struct drm_gem_vram_object *gbo, - struct ttm_bo_kmap_obj *kmap) +void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo) { + struct ttm_bo_kmap_obj *kmap = &gbo->kmap; + if (!kmap->virtual) return; ttm_bo_kunmap(kmap); kmap->virtual = NULL; } -EXPORT_SYMBOL(drm_gem_vram_kunmap_at); - -/** - * drm_gem_vram_kunmap() - Unmaps a GEM VRAM object - * @gbo: the GEM VRAM object - */ -void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo) -{ - drm_gem_vram_kunmap_at(gbo, &gbo->kmap); -} EXPORT_SYMBOL(drm_gem_vram_kunmap); /** |