Release 4.17 drivers/gpu/drm/msm/disp/mdp5/mdp5_irq.c
  
  
  
/*
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 *
 * 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 <linux/irq.h>
#include <drm/drm_print.h>
#include "msm_drv.h"
#include "mdp5_kms.h"
void mdp5_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
		uint32_t old_irqmask)
{
	mdp5_write(to_mdp5_kms(mdp_kms), REG_MDP5_INTR_CLEAR,
		   irqmask ^ (irqmask & old_irqmask));
	mdp5_write(to_mdp5_kms(mdp_kms), REG_MDP5_INTR_EN, irqmask);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 24 | 52.17% | 1 | 33.33% | 
| Jilai Wang | 20 | 43.48% | 1 | 33.33% | 
| Archit Taneja | 2 | 4.35% | 1 | 33.33% | 
| Total | 46 | 100.00% | 3 | 100.00% | 
static void mdp5_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
{
	struct mdp5_kms *mdp5_kms = container_of(irq, struct mdp5_kms, error_handler);
	static DEFINE_RATELIMIT_STATE(rs, 5*HZ, 1);
	extern bool dumpstate;
	DRM_ERROR_RATELIMITED("errors: %08x\n", irqstatus);
	if (dumpstate && __ratelimit(&rs)) {
		struct drm_printer p = drm_info_printer(mdp5_kms->dev->dev);
		drm_state_dump(mdp5_kms->dev, &p);
		if (mdp5_kms->smp)
			mdp5_smp_dump(mdp5_kms->smp, &p);
	}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 103 | 100.00% | 4 | 100.00% | 
| Total | 103 | 100.00% | 4 | 100.00% | 
void mdp5_irq_preinstall(struct msm_kms *kms)
{
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
	struct device *dev = &mdp5_kms->pdev->dev;
	pm_runtime_get_sync(dev);
	mdp5_write(mdp5_kms, REG_MDP5_INTR_CLEAR, 0xffffffff);
	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
	pm_runtime_put_sync(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 46 | 73.02% | 3 | 60.00% | 
| Archit Taneja | 17 | 26.98% | 2 | 40.00% | 
| Total | 63 | 100.00% | 5 | 100.00% | 
int mdp5_irq_postinstall(struct msm_kms *kms)
{
	struct mdp_kms *mdp_kms = to_mdp_kms(kms);
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(mdp_kms);
	struct device *dev = &mdp5_kms->pdev->dev;
	struct mdp_irq *error_handler = &mdp5_kms->error_handler;
	error_handler->irq = mdp5_irq_error_handler;
	error_handler->irqmask = MDP5_IRQ_INTF0_UNDER_RUN |
			MDP5_IRQ_INTF1_UNDER_RUN |
			MDP5_IRQ_INTF2_UNDER_RUN |
			MDP5_IRQ_INTF3_UNDER_RUN;
	pm_runtime_get_sync(dev);
	mdp_irq_register(mdp_kms, error_handler);
	pm_runtime_put_sync(dev);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 69 | 76.67% | 2 | 50.00% | 
| Archit Taneja | 21 | 23.33% | 2 | 50.00% | 
| Total | 90 | 100.00% | 4 | 100.00% | 
void mdp5_irq_uninstall(struct msm_kms *kms)
{
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
	struct device *dev = &mdp5_kms->pdev->dev;
	pm_runtime_get_sync(dev);
	mdp5_write(mdp5_kms, REG_MDP5_INTR_EN, 0x00000000);
	pm_runtime_put_sync(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 38 | 70.37% | 3 | 60.00% | 
| Archit Taneja | 16 | 29.63% | 2 | 40.00% | 
| Total | 54 | 100.00% | 5 | 100.00% | 
irqreturn_t mdp5_irq(struct msm_kms *kms)
{
	struct mdp_kms *mdp_kms = to_mdp_kms(kms);
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(mdp_kms);
	struct drm_device *dev = mdp5_kms->dev;
	struct msm_drm_private *priv = dev->dev_private;
	unsigned int id;
	uint32_t status, enable;
	enable = mdp5_read(mdp5_kms, REG_MDP5_INTR_EN);
	status = mdp5_read(mdp5_kms, REG_MDP5_INTR_STATUS) & enable;
	mdp5_write(mdp5_kms, REG_MDP5_INTR_CLEAR, status);
	VERB("status=%08x", status);
	mdp_dispatch_irqs(mdp_kms, status);
	for (id = 0; id < priv->num_crtcs; id++)
		if (status & mdp5_crtc_vblank(priv->crtcs[id]))
			drm_handle_vblank(dev, id);
	return IRQ_HANDLED;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 110 | 79.14% | 2 | 40.00% | 
| Archit Taneja | 17 | 12.23% | 2 | 40.00% | 
| Jilai Wang | 12 | 8.63% | 1 | 20.00% | 
| Total | 139 | 100.00% | 5 | 100.00% | 
int mdp5_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
	struct device *dev = &mdp5_kms->pdev->dev;
	pm_runtime_get_sync(dev);
	mdp_update_vblank_mask(to_mdp_kms(kms),
			mdp5_crtc_vblank(crtc), true);
	pm_runtime_put_sync(dev);
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 34 | 50.00% | 2 | 50.00% | 
| Hai Li | 19 | 27.94% | 1 | 25.00% | 
| Archit Taneja | 15 | 22.06% | 1 | 25.00% | 
| Total | 68 | 100.00% | 4 | 100.00% | 
void mdp5_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
	struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
	struct device *dev = &mdp5_kms->pdev->dev;
	pm_runtime_get_sync(dev);
	mdp_update_vblank_mask(to_mdp_kms(kms),
			mdp5_crtc_vblank(crtc), false);
	pm_runtime_put_sync(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 31 | 47.69% | 2 | 50.00% | 
| Hai Li | 19 | 29.23% | 1 | 25.00% | 
| Archit Taneja | 15 | 23.08% | 1 | 25.00% | 
| Total | 65 | 100.00% | 4 | 100.00% | 
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Rob Clark | 468 | 73.01% | 8 | 57.14% | 
| Archit Taneja | 103 | 16.07% | 4 | 28.57% | 
| Hai Li | 38 | 5.93% | 1 | 7.14% | 
| Jilai Wang | 32 | 4.99% | 1 | 7.14% | 
| Total | 641 | 100.00% | 14 | 100.00% | 
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