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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2018-01-22 10:25:20 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2018-01-22 15:15:11 +0100 |
| commit | 3004f75fd4732a67ba1bd069a209957f3b3394d2 (patch) | |
| tree | fe01ce39c387b340321378d152227656adf09bc1 /drivers/gpu/drm/sun4i/sun4i_tcon.c | |
| parent | drm/sun4i: engine: Add a custom crtc atomic_check (diff) | |
| download | linux-3004f75fd4732a67ba1bd069a209957f3b3394d2.tar.xz linux-3004f75fd4732a67ba1bd069a209957f3b3394d2.zip | |
drm/sun4i: engine: Add a VBLANK quirk callback
In some cases, the display engine needs to apply some quirks during the
VBLANK event. In the Display Engine 1.0 case for example, we can only
disable the frontend once the backend has been, which is at VBLANK.
Let's introduce a callback that can be implemented by the various engines.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7c298d43aa1500196aa5d15d7a7c0f228c7a6f3c.1516613040.git-series.maxime.ripard@free-electrons.com
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_tcon.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c index b78fed809992..a65155dbdcbf 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c @@ -540,6 +540,7 @@ static irqreturn_t sun4i_tcon_handler(int irq, void *private) struct sun4i_tcon *tcon = private; struct drm_device *drm = tcon->drm; struct sun4i_crtc *scrtc = tcon->crtc; + struct sunxi_engine *engine = scrtc->engine; unsigned int status; regmap_read(tcon->regs, SUN4I_TCON_GINT0_REG, &status); @@ -557,6 +558,9 @@ static irqreturn_t sun4i_tcon_handler(int irq, void *private) SUN4I_TCON_GINT0_VBLANK_INT(1), 0); + if (engine->ops->vblank_quirk) + engine->ops->vblank_quirk(engine); + return IRQ_HANDLED; } |