6.15-stable review patch. If anyone has any objections, please let me know.
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From: Dmitry Osipenko dmitry.osipenko@collabora.com
commit eab10538073c3ff9e21c857bd462f79f2f6f7e00 upstream.
Everything that uses the mapped buffer should be 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.
Acked-by: Maxime Ripard mripard@kernel.org Suggested-by: Thomas Zimmermann tzimmermann@suse.de Reviewed-by: Boris Brezillon boris.brezillon@collabora.com Acked-by: Thomas Zimmermann tzimmermann@suse.d Signed-off-by: Dmitry Osipenko dmitry.osipenko@collabora.com Link: https://patchwork.freedesktop.org/patch/msgid/20250322212608.40511-7-dmitry.... Stable-dep-of: 6d496e956998 ("Revert "drm/gem-shmem: Use dma_buf from GEM object instance"") Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/drm_gem_shmem_helper.c | 6 ------ 1 file changed, 6 deletions(-)
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -340,12 +340,6 @@ int drm_gem_shmem_vmap(struct drm_gem_sh
if (drm_gem_is_imported(obj)) { ret = dma_buf_vmap(obj->dma_buf, map); - if (!ret) { - if (drm_WARN_ON(obj->dev, map->is_iomem)) { - dma_buf_vunmap(obj->dma_buf, map); - return -EIO; - } - } } else { pgprot_t prot = PAGE_KERNEL;