It updates the name of the structure with the target function callback is incorrect : drm_gem_object_funcs.gem_prime_import_sg_table to drm_driver.gem_prime_import_sg_table And it updates the part where the description and the function callback name are different. : drm_gem_object_funcs.pin to drm_gem_object_funcs.unpin Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@xxxxxxxxx> --- drivers/gpu/drm/drm_prime.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index e3f09f18110c..87595f5871f9 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -588,7 +588,7 @@ EXPORT_SYMBOL(drm_gem_map_attach); * @dma_buf: buffer to detach from * @attach: attachment to be detached * - * Calls &drm_gem_object_funcs.pin for device specific handling. Cleans up + * Calls &drm_gem_object_funcs.unpin for device specific handling. Cleans up * &dma_buf_attachment from drm_gem_map_attach(). This can be used as the * &dma_buf_ops.detach callback. */ @@ -842,7 +842,7 @@ EXPORT_SYMBOL(drm_prime_pages_to_sg); * of the the buffer described by the provided sg_table. * * This is useful for implementing - * &drm_gem_object_funcs.gem_prime_import_sg_table. + * &drm_driver.gem_prime_import_sg_table. */ unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt) { -- 2.34.1