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Commit ff2ac58a authored by Laurent Vivier's avatar Laurent Vivier Committed by Gerd Hoffmann
Browse files

virtio-gpu: disable VIRGL with BE kernel 



VIRTIO_GPU_F_VIRGL is added in features list only
for LE kernel, so we must check for it only on LE kernel,
otherwise virtio_has_feature() calls BUG() and
crashes the kernel.

Suggested-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: default avatarLaurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1485263549-28743-1-git-send-email-lvivier@redhat.com


Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 376e5f54

drivers/gpu/drm/virtio/virtgpu_kms.c

+5 −1
Original line number Diff line number Diff line
@@ -166,10 +166,14 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags) 
	INIT_WORK(&vgdev->config_changed_work,

		  virtio_gpu_config_changed_work_func);



#ifdef __LITTLE_ENDIAN

	if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_VIRGL))

		vgdev->has_virgl_3d = true;

	DRM_INFO("virgl 3d acceleration %s\n",

		 vgdev->has_virgl_3d ? "enabled" : "not available");

		 vgdev->has_virgl_3d ? "enabled" : "not supported by host");

#else

	DRM_INFO("virgl 3d acceleration not supported by guest\n");

#endif



	ret = vgdev->vdev->config->find_vqs(vgdev->vdev, 2, vqs,

					    callbacks, names);