From: Rob Herring <robh@kernel.org>
Date: Wed, 13 Jan 2016 21:52:08 +0000 (-0600)
Subject: drm: virtio-gpu: ensure plane is flushed to host on atomic update
X-Git-Tag: v4.14-rc1~3530^2~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd17d1c77c2ae3bb988a256ea5bda6d405b62b56;p=platform%2Fkernel%2Flinux-rpi.git

drm: virtio-gpu: ensure plane is flushed to host on atomic update

This fixes drawing updates when updating planes with atomic API.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index cad1ca4..519eebd 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -84,6 +84,11 @@ static void virtio_gpu_plane_atomic_update(struct drm_plane *plane,
 				   plane->state->crtc_h,
 				   plane->state->crtc_x,
 				   plane->state->crtc_y);
+	virtio_gpu_cmd_resource_flush(vgdev, handle,
+				      plane->state->crtc_x,
+				      plane->state->crtc_y,
+				      plane->state->crtc_w,
+				      plane->state->crtc_h);
 }