From 6b8562c86e249b6d46d3c1f02afe570368b01e67 Mon Sep 17 00:00:00 2001 From: Maxime Ripard Date: Mon, 22 Jan 2018 10:25:21 +0100 Subject: drm/sun4i: engine: Create an atomic_begin callback We have to implement some display engine specific behaviours in atomic_begin. Let's add a function for that. Reviewed-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/44110951ae0cc13767fefc7fc1d9e2ec782d0a40.1516613040.git-series.maxime.ripard@free-electrons.com --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/sun4i/sun4i_crtc.c') diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 2a565325714f..f549f2874353 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -64,6 +64,7 @@ static void sun4i_crtc_atomic_begin(struct drm_crtc *crtc, { struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc); struct drm_device *dev = crtc->dev; + struct sunxi_engine *engine = scrtc->engine; unsigned long flags; if (crtc->state->event) { @@ -73,7 +74,10 @@ static void sun4i_crtc_atomic_begin(struct drm_crtc *crtc, scrtc->event = crtc->state->event; spin_unlock_irqrestore(&dev->event_lock, flags); crtc->state->event = NULL; - } + } + + if (engine->ops->atomic_begin) + engine->ops->atomic_begin(engine, old_state); } static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc, -- cgit v1.2.3