diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_irq.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_irq.c | 96 |
1 files changed, 52 insertions, 44 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c b/drivers/gpu/drm/omapdrm/omap_irq.c index 329ad26d6d50..943c5307da00 100644 --- a/drivers/gpu/drm/omapdrm/omap_irq.c +++ b/drivers/gpu/drm/omapdrm/omap_irq.c @@ -1,20 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ * Author: Rob Clark <rob.clark@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <drm/drm_vblank.h> +#include <drm/drm_print.h> + #include "omap_drv.h" struct omap_irq_wait { @@ -38,7 +30,7 @@ static void omap_irq_update(struct drm_device *dev) DBG("irqmask=%08x", irqmask); - priv->dispc_ops->write_irqenable(priv->dispc, irqmask); + dispc_write_irqenable(priv->dispc, irqmask); } static void omap_irq_wait_handler(struct omap_irq_wait *wait) @@ -85,10 +77,31 @@ 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 = + dispc_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 - * @pipe: which irq to enable + * omap_irq_enable_vblank - enable vblank interrupt events + * @crtc: DRM CRTC * * Enable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since @@ -108,7 +121,7 @@ int omap_irq_enable_vblank(struct drm_crtc *crtc) DBG("dev=%p, crtc=%u", dev, channel); spin_lock_irqsave(&priv->wait_lock, flags); - priv->irq_mask |= priv->dispc_ops->mgr_get_vsync_irq(priv->dispc, + priv->irq_mask |= dispc_mgr_get_vsync_irq(priv->dispc, channel); omap_irq_update(dev); spin_unlock_irqrestore(&priv->wait_lock, flags); @@ -117,9 +130,8 @@ int omap_irq_enable_vblank(struct drm_crtc *crtc) } /** - * disable_vblank - disable vblank interrupt events - * @dev: DRM device - * @pipe: which irq to enable + * omap_irq_disable_vblank - disable vblank interrupt events + * @crtc: DRM CRTC * * Disable vblank interrupts for @crtc. If the device doesn't have * a hardware vblank counter, this routine should be a no-op, since @@ -135,7 +147,7 @@ void omap_irq_disable_vblank(struct drm_crtc *crtc) DBG("dev=%p, crtc=%u", dev, channel); spin_lock_irqsave(&priv->wait_lock, flags); - priv->irq_mask &= ~priv->dispc_ops->mgr_get_vsync_irq(priv->dispc, + priv->irq_mask &= ~dispc_mgr_get_vsync_irq(priv->dispc, channel); omap_irq_update(dev); spin_unlock_irqrestore(&priv->wait_lock, flags); @@ -200,9 +212,9 @@ static irqreturn_t omap_irq_handler(int irq, void *arg) unsigned int id; u32 irqstatus; - irqstatus = priv->dispc_ops->read_irqstatus(priv->dispc); - priv->dispc_ops->clear_irqstatus(priv->dispc, irqstatus); - priv->dispc_ops->read_irqstatus(priv->dispc); /* flush posted write */ + irqstatus = dispc_read_irqstatus(priv->dispc); + dispc_clear_irqstatus(priv->dispc, irqstatus); + dispc_read_irqstatus(priv->dispc); /* flush posted write */ VERB("irqs: %08x", irqstatus); @@ -210,13 +222,16 @@ static irqreturn_t omap_irq_handler(int irq, void *arg) struct drm_crtc *crtc = priv->pipes[id].crtc; enum omap_channel channel = omap_crtc_channel(crtc); - if (irqstatus & priv->dispc_ops->mgr_get_vsync_irq(priv->dispc, channel)) { + if (irqstatus & dispc_mgr_get_vsync_irq(priv->dispc, channel)) { drm_handle_vblank(dev, id); omap_crtc_vblank_irq(crtc); } - if (irqstatus & priv->dispc_ops->mgr_get_sync_lost_irq(priv->dispc, channel)) + if (irqstatus & dispc_mgr_get_sync_lost_irq(priv->dispc, channel)) omap_crtc_error_irq(crtc, irqstatus); + + if (irqstatus & dispc_mgr_get_framedone_irq(priv->dispc, channel)) + omap_crtc_framedone_irq(crtc, irqstatus); } omap_irq_ocp_error_handler(dev, irqstatus); @@ -239,17 +254,10 @@ static const u32 omap_underflow_irqs[] = { [OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW, }; -/* - * We need a special version, instead of just using drm_irq_install(), - * because we need to register the irq via omapdss. Once omapdss and - * omapdrm are merged together we can assign the dispc hwmod data to - * ourselves and drop these and just use drm_irq_{install,uninstall}() - */ - int omap_drm_irq_install(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - unsigned int num_mgrs = priv->dispc_ops->get_num_mgrs(priv->dispc); + unsigned int num_mgrs = dispc_get_num_mgrs(priv->dispc); unsigned int max_planes; unsigned int i; int ret; @@ -267,17 +275,17 @@ int omap_drm_irq_install(struct drm_device *dev) } for (i = 0; i < num_mgrs; ++i) - priv->irq_mask |= priv->dispc_ops->mgr_get_sync_lost_irq(priv->dispc, i); + priv->irq_mask |= dispc_mgr_get_sync_lost_irq(priv->dispc, i); - priv->dispc_ops->runtime_get(priv->dispc); - priv->dispc_ops->clear_irqstatus(priv->dispc, 0xffffffff); - priv->dispc_ops->runtime_put(priv->dispc); + dispc_runtime_get(priv->dispc); + dispc_clear_irqstatus(priv->dispc, 0xffffffff); + dispc_runtime_put(priv->dispc); - ret = priv->dispc_ops->request_irq(priv->dispc, omap_irq_handler, dev); + ret = dispc_request_irq(priv->dispc, omap_irq_handler, dev); if (ret < 0) return ret; - dev->irq_enabled = true; + priv->irq_enabled = true; return 0; } @@ -286,10 +294,10 @@ void omap_drm_irq_uninstall(struct drm_device *dev) { struct omap_drm_private *priv = dev->dev_private; - if (!dev->irq_enabled) + if (!priv->irq_enabled) return; - dev->irq_enabled = false; + priv->irq_enabled = false; - priv->dispc_ops->free_irq(priv->dispc, dev); + dispc_free_irq(priv->dispc, dev); } |