diff mbox series

[v14,06/12] drm/shmem-helper: Remove obsoleted is_iomem test

Message ID 20230722234746.205949-7-dmitry.osipenko@collabora.com (mailing list archive)
State New, archived
Headers show
Series Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers | expand

Commit Message

Dmitry Osipenko July 22, 2023, 11:47 p.m. UTC
Everything that uses the mapped buffer should by agnostic to is_iomem.
The only reason for the is_iomem test is that we're setting shmem->vaddr
to the returned map->vaddr. Now that the shmem->vaddr code is gone, remove
the obsoleted is_iomem test to clean up the code.

Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
 drivers/gpu/drm/drm_gem_shmem_helper.c | 6 ------
 1 file changed, 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index 0b6c4f318da5..5aa85242071a 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -431,12 +431,6 @@  int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem,
 
 	if (obj->import_attach) {
 		ret = dma_buf_vmap(obj->import_attach->dmabuf, map);
-		if (!ret) {
-			if (drm_WARN_ON(obj->dev, map->is_iomem)) {
-				dma_buf_vunmap(obj->import_attach->dmabuf, map);
-				return -EIO;
-			}
-		}
 	} else {
 		pgprot_t prot = PAGE_KERNEL;