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| author | Sebastian Reichel <sebastian.reichel@collabora.com> | 2019-05-23 22:07:55 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2019-06-10 17:04:15 +0300 |
| commit | 47103a80f55a6b7f5a51f1e9a4886e532cdfa4e2 (patch) | |
| tree | 5c587ecd95b9960c73c8ecbc9c4cdbd27929a1ea /drivers/gpu/drm/omapdrm/omap_irq.c | |
| parent | ad9df7d91b4a6e8f4b20c2bf539ac09b3b2ad6eb (diff) | |
| download | linux-stable-47103a80f55a6b7f5a51f1e9a4886e532cdfa4e2.tar.gz linux-stable-47103a80f55a6b7f5a51f1e9a4886e532cdfa4e2.tar.bz2 linux-stable-47103a80f55a6b7f5a51f1e9a4886e532cdfa4e2.zip | |
drm/omap: add framedone interrupt support
This prepares framedone interrupt handling for
manual display update support.
Acked-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Tony Lindgren <tony@atomide.com>
Tested-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_irq.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_irq.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 329ad26d6d50..01dda84ca2ee 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -85,6 +85,28 @@ int omap_irq_wait(struct drm_device *dev, struct omap_irq_wait *wait, return ret == 0 ? -1 : 0; } +int omap_irq_enable_framedone(struct drm_crtc *crtc, bool enable) +{ + struct drm_device *dev = crtc->dev; + struct omap_drm_private *priv = dev->dev_private; + unsigned long flags; + enum omap_channel channel = omap_crtc_channel(crtc); + int framedone_irq = + priv->dispc_ops->mgr_get_framedone_irq(priv->dispc, channel); + + DBG("dev=%p, crtc=%u, enable=%d", dev, channel, enable); + + spin_lock_irqsave(&priv->wait_lock, flags); + if (enable) + priv->irq_mask |= framedone_irq; + else + priv->irq_mask &= ~framedone_irq; + omap_irq_update(dev); + spin_unlock_irqrestore(&priv->wait_lock, flags); + + return 0; +} + /** * enable_vblank - enable vblank interrupt events * @dev: DRM device @@ -217,6 +239,9 @@ static irqreturn_t omap_irq_handler(int irq, void *arg) if (irqstatus & priv->dispc_ops->mgr_get_sync_lost_irq(priv->dispc, channel)) omap_crtc_error_irq(crtc, irqstatus); + + if (irqstatus & priv->dispc_ops->mgr_get_framedone_irq(priv->dispc, channel)) + omap_crtc_framedone_irq(crtc, irqstatus); } omap_irq_ocp_error_handler(dev, irqstatus); |