linux-kernel - [PATCH] virtio-gpu: fix vblank events

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Date:   Thu, 13 Oct 2016 13:55:05 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Marc-André Lureau <marcandre.lureau@...il.com>,
        David Airlie <airlied@...hat.com>,
        "daniel.vetter" <daniel.vetter@...ll.ch>,
        Gerd Hoffmann <kraxel@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        virtualization@...ts.linux-foundation.org (open list:VIRTIO GPU DRIVER),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] virtio-gpu: fix vblank events

virtio-gpu sends vblank events in virtio_gpu_crtc_atomic_flush, and
because of that it must be called for disabled planes too.  Ask
drm_atomic_helper_commit_planes to do that.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/gpu/drm/virtio/virtgpu_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 4e192aa..75ec172 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -338,7 +338,7 @@ static void vgdev_atomic_commit_tail(struct drm_atomic_state *state)
 
 	drm_atomic_helper_commit_modeset_disables(dev, state);
 	drm_atomic_helper_commit_modeset_enables(dev, state);
-	drm_atomic_helper_commit_planes(dev, state, true);
+	drm_atomic_helper_commit_planes(dev, state, false);
 
 	drm_atomic_helper_commit_hw_done(state);
 
-- 
1.8.3.1