23 Sep
2019
23 Sep
'19
1:32 p.m.
On 17/09/2019 10:23, Gerd Hoffmann wrote:
VM_IO is wrong here, shmem uses normal ram not io memory.
Signed-off-by: Gerd Hoffmann kraxel@redhat.com
Reviewed-by: Steven Price steven.price@arm.com
drivers/gpu/drm/drm_gem_shmem_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 6efedab15016..3bc69b1ffa7d 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -536,7 +536,7 @@ int drm_gem_shmem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) return ret; }
- vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND;
- vma->vm_flags |= VM_MIXEDMAP | VM_DONTEXPAND; vma->vm_page_prot = pgprot_writecombine(vm_get_page_prot(vma->vm_flags)); vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); vma->vm_ops = &drm_gem_shmem_vm_ops;