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drm: omapdrm: Handle CRTC error IRQs directly

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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>
This commit is contained in:
Laurent Pinchart
2015-05-28 00:21:29 +03:00
parent 728ae8dd69
commit e0519af75d
3 changed files with 11 additions and 10 deletions
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8
drivers/gpu/drm/omapdrm/omap_irq.c
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@@ -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();