drm: omapdrm: Handle CRTC error IRQs directly
Instead of going through a complicated registration mechanism, just
expose the CRTC error IRQ function and call it directly from the main
IRQ handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c
index 57a2de7..58c5efb 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -241,9 +241,13 @@ static irqreturn_t omap_irq_handler(int irq, void *arg)
for (id = 0; id < priv->num_crtcs; id++) {
struct drm_crtc *crtc = priv->crtcs[id];
+ enum omap_channel channel = omap_crtc_channel(crtc);
if (irqstatus & pipe2vbl(crtc))
drm_handle_vblank(dev, id);
+
+ if (irqstatus & dispc_mgr_get_sync_lost_irq(channel))
+ omap_crtc_error_irq(crtc, irqstatus);
}
omap_irq_fifo_underflow(priv, irqstatus);
@@ -279,6 +283,7 @@ int omap_drm_irq_install(struct drm_device *dev)
{
struct omap_drm_private *priv = dev->dev_private;
struct omap_drm_irq *error_handler = &priv->error_handler;
+ unsigned int num_mgrs = dss_feat_get_num_mgrs();
unsigned int max_planes;
unsigned int i;
int ret;
@@ -294,6 +299,9 @@ int omap_drm_irq_install(struct drm_device *dev)
priv->irq_mask |= omap_underflow_irqs[i];
}
+ for (i = 0; i < num_mgrs; ++i)
+ priv->irq_mask |= dispc_mgr_get_sync_lost_irq(i);
+
dispc_runtime_get();
dispc_clear_irqstatus(0xffffffff);
dispc_runtime_put();