drm/armada: move IRQ handling into CRTC
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 8ab3cd1..58884d8 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -155,10 +155,16 @@
/* Create all LCD controllers */
for (n = 0; n < ARRAY_SIZE(priv->dcrtc); n++) {
+ int irq;
+
if (!res[n])
break;
- ret = armada_drm_crtc_create(dev, n, res[n]);
+ irq = platform_get_irq(dev->platformdev, n);
+ if (irq < 0)
+ goto err_kms;
+
+ ret = armada_drm_crtc_create(dev, n, res[n], irq);
if (ret)
goto err_kms;
}
@@ -173,22 +179,16 @@
if (ret)
goto err_kms;
- ret = drm_irq_install(dev, platform_get_irq(dev->platformdev, 0));
- if (ret)
- goto err_kms;
-
dev->vblank_disable_allowed = 1;
ret = armada_fbdev_init(dev);
if (ret)
- goto err_irq;
+ goto err_kms;
drm_kms_helper_poll_init(dev);
return 0;
- err_irq:
- drm_irq_uninstall(dev);
err_kms:
drm_mode_config_cleanup(dev);
drm_mm_takedown(&priv->linear);
@@ -203,7 +203,6 @@
drm_kms_helper_poll_fini(dev);
armada_fbdev_fini(dev);
- drm_irq_uninstall(dev);
drm_mode_config_cleanup(dev);
drm_mm_takedown(&priv->linear);
flush_work(&priv->fb_unref_work);
@@ -259,52 +258,6 @@
armada_drm_crtc_disable_irq(priv->dcrtc[crtc], VSYNC_IRQ_ENA);
}
-static irqreturn_t armada_drm_irq_handler(int irq, void *arg)
-{
- struct drm_device *dev = arg;
- struct armada_private *priv = dev->dev_private;
- struct armada_crtc *dcrtc = priv->dcrtc[0];
- uint32_t v, stat = readl_relaxed(dcrtc->base + LCD_SPU_IRQ_ISR);
- irqreturn_t handled = IRQ_NONE;
-
- /*
- * This is rediculous - rather than writing bits to clear, we
- * have to set the actual status register value. This is racy.
- */
- writel_relaxed(0, dcrtc->base + LCD_SPU_IRQ_ISR);
-
- /* Mask out those interrupts we haven't enabled */
- v = stat & dcrtc->irq_ena;
-
- if (v & (VSYNC_IRQ|GRA_FRAME_IRQ|DUMB_FRAMEDONE)) {
- armada_drm_crtc_irq(dcrtc, stat);
- handled = IRQ_HANDLED;
- }
-
- return handled;
-}
-
-static int armada_drm_irq_postinstall(struct drm_device *dev)
-{
- struct armada_private *priv = dev->dev_private;
- struct armada_crtc *dcrtc = priv->dcrtc[0];
-
- spin_lock_irq(&dev->vbl_lock);
- writel_relaxed(dcrtc->irq_ena, dcrtc->base + LCD_SPU_IRQ_ENA);
- writel(0, dcrtc->base + LCD_SPU_IRQ_ISR);
- spin_unlock_irq(&dev->vbl_lock);
-
- return 0;
-}
-
-static void armada_drm_irq_uninstall(struct drm_device *dev)
-{
- struct armada_private *priv = dev->dev_private;
- struct armada_crtc *dcrtc = priv->dcrtc[0];
-
- writel(0, dcrtc->base + LCD_SPU_IRQ_ENA);
-}
-
static struct drm_ioctl_desc armada_ioctls[] = {
DRM_IOCTL_DEF_DRV(ARMADA_GEM_CREATE, armada_gem_create_ioctl,
DRM_UNLOCKED),
@@ -340,9 +293,6 @@
.get_vblank_counter = drm_vblank_count,
.enable_vblank = armada_drm_enable_vblank,
.disable_vblank = armada_drm_disable_vblank,
- .irq_handler = armada_drm_irq_handler,
- .irq_postinstall = armada_drm_irq_postinstall,
- .irq_uninstall = armada_drm_irq_uninstall,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = armada_drm_debugfs_init,
.debugfs_cleanup = armada_drm_debugfs_cleanup,
@@ -362,7 +312,7 @@
.desc = "Armada SoC DRM",
.date = "20120730",
.driver_features = DRIVER_GEM | DRIVER_MODESET |
- DRIVER_HAVE_IRQ | DRIVER_PRIME,
+ DRIVER_PRIME,
.ioctls = armada_ioctls,
.fops = &armada_drm_fops,
};