drm/nouveau: store vblank event handler data in nv_crtc
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index b6e258f..a1247f2 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -44,28 +44,36 @@
static int
nouveau_display_vblank_handler(void *data, u32 type, int head)
{
- struct nouveau_drm *drm = data;
- drm_handle_vblank(drm->dev, head);
+ struct nouveau_crtc *nv_crtc = data;
+ drm_handle_vblank(nv_crtc->base.dev, nv_crtc->index);
return NVKM_EVENT_KEEP;
}
int
nouveau_display_vblank_enable(struct drm_device *dev, int head)
{
- struct nouveau_display *disp = nouveau_display(dev);
- if (disp) {
- nouveau_event_get(disp->vblank[head]);
- return 0;
+ struct drm_crtc *crtc;
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ if (nv_crtc->index == head) {
+ nouveau_event_get(nv_crtc->vblank);
+ return 0;
+ }
}
- return -EIO;
+ return -EINVAL;
}
void
nouveau_display_vblank_disable(struct drm_device *dev, int head)
{
- struct nouveau_display *disp = nouveau_display(dev);
- if (disp)
- nouveau_event_put(disp->vblank[head]);
+ struct drm_crtc *crtc;
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ if (nv_crtc->index == head) {
+ nouveau_event_put(nv_crtc->vblank);
+ return;
+ }
+ }
}
static inline int
@@ -151,36 +159,29 @@
static void
nouveau_display_vblank_fini(struct drm_device *dev)
{
- struct nouveau_display *disp = nouveau_display(dev);
- int i;
+ struct drm_crtc *crtc;
drm_vblank_cleanup(dev);
- if (disp->vblank) {
- for (i = 0; i < dev->mode_config.num_crtc; i++)
- nouveau_event_ref(NULL, &disp->vblank[i]);
- kfree(disp->vblank);
- disp->vblank = NULL;
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ nouveau_event_ref(NULL, &nv_crtc->vblank);
}
}
static int
nouveau_display_vblank_init(struct drm_device *dev)
{
- struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
- int ret, i;
+ struct drm_crtc *crtc;
+ int ret;
- disp->vblank = kzalloc(dev->mode_config.num_crtc *
- sizeof(*disp->vblank), GFP_KERNEL);
- if (!disp->vblank)
- return -ENOMEM;
-
- for (i = 0; i < dev->mode_config.num_crtc; i++) {
- ret = nouveau_event_new(pdisp->vblank, 1, i,
+ list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+ ret = nouveau_event_new(pdisp->vblank, 1, nv_crtc->index,
nouveau_display_vblank_handler,
- drm, &disp->vblank[i]);
+ nv_crtc, &nv_crtc->vblank);
if (ret) {
nouveau_display_vblank_fini(dev);
return ret;