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author | Gerd Hoffmann <kraxel@redhat.com> | 2018-12-19 13:27:00 +0100 |
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committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-01-08 12:00:00 +0100 |
commit | 6a01d277ac611663e8e810177b50d16aa6c2a915 (patch) | |
tree | cd3466e7a635f843ba6f5e4facf8fba3aec9a9c1 /drivers/gpu/drm/virtio | |
parent | 3630c2a24f75e3ac58366bc4745c2c63391bb4f7 (diff) | |
download | linux-6a01d277ac611663e8e810177b50d16aa6c2a915.tar.gz linux-6a01d277ac611663e8e810177b50d16aa6c2a915.tar.bz2 linux-6a01d277ac611663e8e810177b50d16aa6c2a915.zip |
drm/virtio: fix pageflip flush
Sending the flush command only makes sense if we actually have
a framebuffer attached to the scanout (handle != 0).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20181219122708.4586-3-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/virtio')
-rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_plane.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index ead5c53d4e21..548265b8e82d 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -130,11 +130,12 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - virtio_gpu_cmd_resource_flush(vgdev, handle, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - plane->state->src_w >> 16, - plane->state->src_h >> 16); + if (handle) + virtio_gpu_cmd_resource_flush(vgdev, handle, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + plane->state->src_w >> 16, + plane->state->src_h >> 16); } static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane, |