linux-kernel - [PATCH v3 3/3] drm/udl: use DRM_GEM_SHMEM_SIMPLE_DRIVER

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Message-Id: <20250507094728.603302-3-oushixiong1025@163.com>
Date: Wed,  7 May 2025 17:47:28 +0800
From: oushixiong1025@....com
To: Christian König <christian.koenig@....com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Sean Paul <sean@...rly.run>,
	Jocelyn Falempe <jfalempe@...hat.com>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Shixiong Ou <oushixiong@...inos.cn>
Subject: [PATCH v3 3/3] drm/udl: use DRM_GEM_SHMEM_SIMPLE_DRIVER_OPS

From: Shixiong Ou <oushixiong@...inos.cn>

Import dmabuf without mapping its sg_table to avoid issues likes:
   udl 2-1.4:1.0: swiotlb buffer is full (sz: 2097152 bytes), total 65536 (slots), used 1 (slots)

Signed-off-by: Shixiong Ou <oushixiong@...inos.cn>
---
 drivers/gpu/drm/udl/udl_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 1922988625eb..cbfdcb75f1f2 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -57,7 +57,7 @@ static const struct drm_driver driver = {
 
 	/* GEM hooks */
 	.fops = &udl_driver_fops,
-	DRM_GEM_SHMEM_DRIVER_OPS,
+	DRM_GEM_SHMEM_DRIVER_OPS_FOR_VMAP,
 	DRM_FBDEV_SHMEM_DRIVER_OPS,
 
 	.name = DRIVER_NAME,
-- 
2.17.1