Commit d24796a4 authored by Gerd Hoffmann's avatar Gerd Hoffmann

virtio-gpu: add page flip support

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent f3380a30
...@@ -125,6 +125,51 @@ static int virtio_gpu_crtc_cursor_move(struct drm_crtc *crtc, ...@@ -125,6 +125,51 @@ static int virtio_gpu_crtc_cursor_move(struct drm_crtc *crtc,
return 0; return 0;
} }
static int virtio_gpu_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event,
uint32_t flags)
{
struct virtio_gpu_device *vgdev = crtc->dev->dev_private;
struct virtio_gpu_output *output =
container_of(crtc, struct virtio_gpu_output, crtc);
struct drm_plane *plane = crtc->primary;
struct virtio_gpu_framebuffer *vgfb;
struct virtio_gpu_object *bo;
unsigned long irqflags;
uint32_t handle;
plane->fb = fb;
vgfb = to_virtio_gpu_framebuffer(plane->fb);
bo = gem_to_virtio_gpu_obj(vgfb->obj);
handle = bo->hw_res_handle;
DRM_DEBUG("handle 0x%x%s, crtc %dx%d\n", handle,
bo->dumb ? ", dumb" : "",
crtc->mode.hdisplay, crtc->mode.vdisplay);
if (bo->dumb) {
virtio_gpu_cmd_transfer_to_host_2d
(vgdev, handle, 0,
cpu_to_le32(crtc->mode.hdisplay),
cpu_to_le32(crtc->mode.vdisplay),
0, 0, NULL);
}
virtio_gpu_cmd_set_scanout(vgdev, output->index, handle,
crtc->mode.hdisplay,
crtc->mode.vdisplay, 0, 0);
virtio_gpu_cmd_resource_flush(vgdev, handle, 0, 0,
crtc->mode.hdisplay,
crtc->mode.vdisplay);
if (event) {
spin_lock_irqsave(&crtc->dev->event_lock, irqflags);
drm_send_vblank_event(crtc->dev, -1, event);
spin_unlock_irqrestore(&crtc->dev->event_lock, irqflags);
}
return 0;
}
static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = { static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = {
.cursor_set2 = virtio_gpu_crtc_cursor_set, .cursor_set2 = virtio_gpu_crtc_cursor_set,
.cursor_move = virtio_gpu_crtc_cursor_move, .cursor_move = virtio_gpu_crtc_cursor_move,
...@@ -132,9 +177,7 @@ static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = { ...@@ -132,9 +177,7 @@ static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = {
.set_config = drm_atomic_helper_set_config, .set_config = drm_atomic_helper_set_config,
.destroy = drm_crtc_cleanup, .destroy = drm_crtc_cleanup,
#if 0 /* not (yet) working without vblank support according to docs */ .page_flip = virtio_gpu_page_flip,
.page_flip = drm_atomic_helper_page_flip,
#endif
.reset = drm_atomic_helper_crtc_reset, .reset = drm_atomic_helper_crtc_reset,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
......
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