[PATCH] drm: Fix misleading documentation of drm_gem_cma_create()

From: Paul Cercueil
Date: Tue Jun 01 2021 - 05:54:28 EST


The backing memory does not necessarily have the writecombine attribute
set, since commit cf8ccbc72d61 ("drm: Add support for GEM buffers backed
by non-coherent memory").

Fixes: cf8ccbc72d61 ("drm: Add support for GEM buffers backed by non-coherent memory")
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_gem_cma_helper.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem_cma_helper.c b/drivers/gpu/drm/drm_gem_cma_helper.c
index 4a24af2c5c43..d53388199f34 100644
--- a/drivers/gpu/drm/drm_gem_cma_helper.c
+++ b/drivers/gpu/drm/drm_gem_cma_helper.c
@@ -104,8 +104,7 @@ __drm_gem_cma_create(struct drm_device *drm, size_t size, bool private)
* @size: size of the object to allocate
*
* This function creates a CMA GEM object and allocates a contiguous chunk of
- * memory as backing store. The backing memory has the writecombine attribute
- * set.
+ * memory as backing store.
*
* Returns:
* A struct drm_gem_cma_object * on success or an ERR_PTR()-encoded negative
--
2.30.2