drm: virtio: fix virtio_gpu_mode_dumb_create

Lookup format using virtio_gpu_translate_format()
instead of hardcoding it.  Fixes xorg display on
bigendian guests (i.e. ppc64).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170403070845.10793-3-kraxel@redhat.com

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c
index 336a57fd6d5d..cc025d8fbe19 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -88,6 +88,7 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
         int ret;
         uint32_t pitch;
         uint32_t resid;
+        uint32_t format;
 
         pitch = args->width * ((args->bpp + 1) / 8);
         args->size = pitch * args->height;
@@ -98,9 +99,10 @@ int virtio_gpu_mode_dumb_create(struct drm_file *file_priv,
         if (ret)
                 goto fail;
 
+        format = virtio_gpu_translate_format(DRM_FORMAT_XRGB8888);
         virtio_gpu_resource_id_get(vgdev, &resid);
-        virtio_gpu_cmd_create_resource(vgdev, resid,
-                                       2, args->width, args->height);
+        virtio_gpu_cmd_create_resource(vgdev, resid, format,
+                                       args->width, args->height);
 
         /* attach the object to the resource */
         obj = gem_to_virtio_gpu_obj(gobj);