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| author | Gerd Hoffmann <kraxel@redhat.com> | 2016-05-31 08:50:47 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2016-06-07 10:33:12 +0200 |
| commit | e7cf0963f816fa44190caaf51aeffaa614c340c6 (patch) | |
| tree | c3cd394a59ecd254f0b4f01cf4dc5e9177cbaddf /drivers/gpu/drm/virtio/virtgpu_display.c | |
| parent | d3767d49f16b619c1943ce003e1f74817414aeb0 (diff) | |
| download | blackbird-obmc-linux-e7cf0963f816fa44190caaf51aeffaa614c340c6.tar.gz blackbird-obmc-linux-e7cf0963f816fa44190caaf51aeffaa614c340c6.zip | |
virtio-gpu: add atomic_commit function
Do modesets first, then call drm_atomic_helper_commit_planes with
active_only = true. That way the outputs doesn't get disabled
temporarly on atomic commits.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_display.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_display.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index d4305da88f44..c5d33e051f5c 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -466,10 +466,30 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev, return &virtio_gpu_fb->base; } +static int vgdev_atomic_commit(struct drm_device *dev, + struct drm_atomic_state *state, + bool nonblock) +{ + if (nonblock) + return -EBUSY; + + drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_wait_for_fences(dev, 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_wait_for_vblanks(dev, state); + drm_atomic_helper_cleanup_planes(dev, state); + drm_atomic_state_free(state); + return 0; +} + static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = { .fb_create = virtio_gpu_user_framebuffer_create, .atomic_check = drm_atomic_helper_check, - .atomic_commit = drm_atomic_helper_commit, + .atomic_commit = vgdev_atomic_commit, }; int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) |
