diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-26 15:19:38 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-07-03 16:24:44 +0100 |
commit | e5d9ddfbb79667fb4b16db07c3282a2304fbf3ff (patch) | |
tree | c598e1843a7a5ab2efc03405c44038cb4b05a62a /drivers/gpu/drm/armada/armada_drv.c | |
parent | 4c834452aad01531db949414f94f817a86348d59 (diff) | |
download | op-kernel-dev-e5d9ddfbb79667fb4b16db07c3282a2304fbf3ff.zip op-kernel-dev-e5d9ddfbb79667fb4b16db07c3282a2304fbf3ff.tar.gz |
drm/armada: move IRQ handling into CRTC
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/armada/armada_drv.c')
-rw-r--r-- | drivers/gpu/drm/armada/armada_drv.c | 68 |
1 files changed, 9 insertions, 59 deletions
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 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) /* 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 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) 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 @@ static int armada_drm_unload(struct drm_device *dev) 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 @@ static void armada_drm_disable_vblank(struct drm_device *dev, int crtc) 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 @@ static struct drm_driver armada_drm_driver = { .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 @@ static struct drm_driver armada_drm_driver = { .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, }; |