From: Shixiong Ou <oushixiong@kylinos.cn>
Date: Thu, 22 May 2025 07:07:13 +0000 (+0800)
Subject: drm/ast: use DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ca43d3a2cfd697be508aa8e2c5c530844630de4f;p=thirdparty%2Flinux.git

drm/ast: use DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT

Import dmabuf without mapping its sg_table to avoid issues likes:
  ast 0000:07:00.0: swiotlb buffer is full (sz: 3145728 bytes), total 32768 (slots), used 0 (slots)

Signed-off-by: Shixiong Ou <oushixiong@kylinos.cn>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250522070714.439824-2-oushixiong1025@163.com
---

diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 6fbf62a99c48d..054acda41909b 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -64,7 +64,7 @@ static const struct drm_driver ast_driver = {
 	.minor = DRIVER_MINOR,
 	.patchlevel = DRIVER_PATCHLEVEL,
 
-	DRM_GEM_SHMEM_DRIVER_OPS,
+	DRM_GEM_SHMEM_DRIVER_OPS_NO_MAP_SGT,
 	DRM_FBDEV_SHMEM_DRIVER_OPS,
 };