Commit 749b30ef authored by Petr Tesarik's avatar Petr Tesarik Committed by Simon Ser
Browse files

drm/prime: Fix documentation of drm_gem_prime_fd_to_handle() 



The DRM device passed to drm_gem_prime_fd_to_handle() is where the
dma-buf is being imported, not the device where it was exported.

Also fix a trivial typo in drm_gem_prime_import_dev().

Signed-off-by: default avatarPetr Tesarik <petr.tesarik.ext@huawei.com>
Reviewed-by: default avatarSimon Ser <contact@emersion.fr>
Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Link: https://patchwork.freedesktop.org/patch/msgid/20230224120931.1024-1-petrtesarik@huaweicloud.com
parent 67fcd5d2

drivers/gpu/drm/drm_prime.c

+2 −2
Original line number Diff line number Diff line
@@ -285,7 +285,7 @@ EXPORT_SYMBOL(drm_gem_dmabuf_release); 


/**

 * drm_gem_prime_fd_to_handle - PRIME import function for GEM drivers

 * @dev: dev to export the buffer from

 * @dev: drm_device to import into

 * @file_priv: drm file-private structure

 * @prime_fd: fd id of the dma-buf which should be imported

 * @handle: pointer to storage for the handle of the imported buffer object
@@ -925,7 +925,7 @@ struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev, 
		obj = dma_buf->priv;

		if (obj->dev == dev) {

			/*

			 * Importing dmabuf exported from out own gem increases

			 * Importing dmabuf exported from our own gem increases

			 * refcount on gem itself instead of f_count of dmabuf.

			 */

			drm_gem_object_get(obj);