From 1bf01e1e357894e69b39853ead11d12c9aa40759 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 16 Oct 2019 13:51:56 +0200
Subject: drm/shmem: drop VM_IO
Git-commit: 1bf01e1e357894e69b39853ead11d12c9aa40759
Patch-mainline: v5.5-rc1
References: bsc#1152472
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>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20191016115203.20095-5-kraxel@redhat.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
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;
--
2.28.0