drm/vblank: prefer drm_crtc_vblank_crtc() over drm_vblank_crtc()

Use the higher level function where crtc is available.

v2: Rebase

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/29a29e746bc90c824d4f2bd15e42817dd7d0b199.1765290097.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Author: jnikula

drivers/gpu/drm/drm_vblank.c

@@ -731,7 +731,7 @@ drm_crtc_vblank_helper_get_vblank_timestamp_internal(
 	}
 
 	if (drm_drv_uses_atomic_modeset(dev)) {
-		struct drm_vblank_crtc *vblank = drm_vblank_crtc(dev, pipe);
+		struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc);
 
 		mode = &vblank->hwmode;
 	} else {
@@ -1304,7 +1304,7 @@ int drm_crtc_wait_one_vblank(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 	int pipe = drm_crtc_index(crtc);
-	struct drm_vblank_crtc *vblank = drm_vblank_crtc(dev, pipe);
+	struct drm_vblank_crtc *vblank = drm_crtc_vblank_crtc(crtc);
 	int ret;
 	u64 last;