diff options
| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2026-06-04 15:27:43 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2026-06-09 12:30:26 +0300 |
| commit | f329e8325e054bd6d84d10904f8dd51137281b92 (patch) | |
| tree | 26f1984d7cefe18cca1ceff3482ae380abf99b18 /drivers/gpu | |
| parent | d9faef564438d1e4579c692c046603e7ada7bdf4 (diff) | |
drm/virtio: Fix driver removal with disabled KMS
DRM atomic and modesetting aren't initialized if virtio-gpu driver built
with disabled KMS, leading to access of uninitialized data on driver
removal/unbinding and crashing kernel. Fix it by skipping shutting down
atomic core with unavailable KMS.
Fixes: 72122c69d717 ("drm/virtio: Add option to disable KMS support")
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Ryosuke Yasuoka <ryasuoka@redhat.com>
Reviewed-by: Ryosuke Yasuoka <ryasuoka@redhat.com>
Link: https://patch.msgid.link/20260604122743.13383-1-dmitry.osipenko@collabora.com
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index a5ce96fb8a1d..9af740bda835 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -124,7 +124,10 @@ static void virtio_gpu_remove(struct virtio_device *vdev) struct drm_device *dev = vdev->priv; drm_dev_unplug(dev); - drm_atomic_helper_shutdown(dev); + + if (drm_core_check_feature(dev, DRIVER_ATOMIC)) + drm_atomic_helper_shutdown(dev); + virtio_gpu_deinit(dev); drm_dev_put(dev); } |