[PATCH] virtio-gpu: use src not crtc

[Gerd Hoffmann]

Pick up the correct source rectangle from framebuffer.
Without this multihead setups are not working correctly.

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 drivers/gpu/drm/virtio/virtgpu_plane.c | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c 
b/drivers/gpu/drm/virtio/virtgpu_plane.c
index b7778a7..925ca25 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -85,27 +85,32 @@ static void virtio_gpu_primary_plane_update(struct 
drm_plane *plane,
                if (bo->dumb) {
                        virtio_gpu_cmd_transfer_to_host_2d
                                (vgdev, handle, 0,
-                                cpu_to_le32(plane->state->crtc_w),
-                                cpu_to_le32(plane->state->crtc_h),
-                                plane->state->crtc_x, plane->state->crtc_y, 
NULL);
+                                cpu_to_le32(plane->state->src_w >> 16),
+                                cpu_to_le32(plane->state->src_h >> 16),
+                                plane->state->src_x >> 16,
+                                plane->state->src_y >> 16, NULL);
                }
        } else {
                handle = 0;
        }

-       DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d\n", handle,
+       DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", handle,
                  plane->state->crtc_w, plane->state->crtc_h,
-                 plane->state->crtc_x, plane->state->crtc_y);
+                 plane->state->crtc_x, plane->state->crtc_y,
+                 plane->state->src_w >> 16,
+                 plane->state->src_h >> 16,
+                 plane->state->src_x >> 16,
+                 plane->state->src_y >> 16);
        virtio_gpu_cmd_set_scanout(vgdev, output->index, handle,
-                                  plane->state->crtc_w,
-                                  plane->state->crtc_h,
-                                  plane->state->crtc_x,
-                                  plane->state->crtc_y);
+                                  plane->state->src_w >> 16,
+                                  plane->state->src_h >> 16,
+                                  plane->state->src_x >> 16,
+                                  plane->state->src_y >> 16);
        virtio_gpu_cmd_resource_flush(vgdev, handle,
-                                     plane->state->crtc_x,
-                                     plane->state->crtc_y,
-                                     plane->state->crtc_w,
-                                     plane->state->crtc_h);
+                                     plane->state->src_x >> 16,
+                                     plane->state->src_y >> 16,
+                                     plane->state->src_w >> 16,
+                                     plane->state->src_h >> 16);
 }

 static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
-- 
1.8.3.1