| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.5 110/189] drm/virtio: fix mmap page attributes | Date | Tue, 10 Mar 2020 13:39:07 +0100 |
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From: Gerd Hoffmann <kraxel@redhat.com>
commit 6be7e07335486f5731cab748d80c68f20896581f upstream.
virtio-gpu uses cached mappings, set drm_gem_shmem_object.map_cached accordingly.
Cc: stable@vger.kernel.org Fixes: c66df701e783 ("drm/virtio: switch from ttm to gem shmem helpers") Reported-by: Gurchetan Singh <gurchetansingh@chromium.org> Reported-by: Guillaume Gardet <Guillaume.Gardet@arm.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org> Tested-by: Guillaume Gardet <Guillaume.Gardet@arm.com> Link: http://patchwork.freedesktop.org/patch/msgid/20200226154752.24328-3-kraxel@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/virtio/virtgpu_object.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/virtio/virtgpu_object.c +++ b/drivers/gpu/drm/virtio/virtgpu_object.c @@ -99,6 +99,7 @@ struct drm_gem_object *virtio_gpu_create return NULL; bo->base.base.funcs = &virtio_gpu_gem_funcs; + bo->base.map_cached = true; return &bo->base.base; }
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