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authorSean Paul <seanpaul@chromium.org>2019-08-07 10:20:54 -0400
committerSean Paul <seanpaul@chromium.org>2019-08-07 10:44:13 -0400
commit87160d2bfc5ed2eeb61d0d8921a38377a6ea3a36 (patch)
tree61fd8041a3750c075bae7b346c8690044751b368 /drivers/gpu/drm/drm_gem.c
parentfcfce9f354769b060e82bccc05b8fa2956eb1b04 (diff)
Revert "Revert "drm/gem: Rename drm_gem_dumb_map_offset() to drm_gem_map_offset()""
This reverts commit 415d2e9e07574d3de63b8df77dc686e0ebf64865. Mandatory review was missing from this patch. Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20190807142101.251400-2-sean@poorly.run
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
-rw-r--r--drivers/gpu/drm/drm_gem.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index afc38cece3f5..8cbfd60e09c0 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -298,7 +298,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle)
EXPORT_SYMBOL(drm_gem_handle_delete);
/**
- * drm_gem_dumb_map_offset - return the fake mmap offset for a gem object
+ * drm_gem_map_offset - return the fake mmap offset for a gem object
* @file: drm file-private structure containing the gem object
* @dev: corresponding drm_device
* @handle: gem object handle
@@ -307,10 +307,14 @@ EXPORT_SYMBOL(drm_gem_handle_delete);
* This implements the &drm_driver.dumb_map_offset kms driver callback for
* drivers which use gem to manage their backing storage.
*
+ * It can also be used by drivers using GEM BO implementations which
+ * have same restriction that imported objects cannot be mapped. The
+ * shmem backend is one example.
+ *
* Returns:
* 0 on success or a negative error code on failure.
*/
-int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
+int drm_gem_map_offset(struct drm_file *file, struct drm_device *dev,
u32 handle, u64 *offset)
{
struct drm_gem_object *obj;
@@ -336,7 +340,7 @@ out:
return ret;
}
-EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset);
+EXPORT_SYMBOL_GPL(drm_gem_map_offset);
/**
* drm_gem_dumb_destroy - dumb fb callback helper for gem based drivers