Release 4.17 drivers/gpu/drm/msm/disp/mdp4/mdp4_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 <drm/drm_print.h>
#include "msm_drv.h"
#include "mdp4_kms.h"
void mdp4_set_irqmask(struct mdp_kms *mdp_kms, uint32_t irqmask,
uint32_t old_irqmask)
{
mdp4_write(to_mdp4_kms(mdp_kms), REG_MDP4_INTR_CLEAR,
irqmask ^ (irqmask & old_irqmask));
mdp4_write(to_mdp4_kms(mdp_kms), REG_MDP4_INTR_ENABLE, irqmask);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 25 | 54.35% | 2 | 66.67% |
| Jilai Wang | 21 | 45.65% | 1 | 33.33% |
| Total | 46 | 100.00% | 3 | 100.00% |
static void mdp4_irq_error_handler(struct mdp_irq *irq, uint32_t irqstatus)
{
struct mdp4_kms *mdp4_kms = container_of(irq, struct mdp4_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(mdp4_kms->dev->dev);
drm_state_dump(mdp4_kms->dev, &p);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 87 | 100.00% | 4 | 100.00% |
| Total | 87 | 100.00% | 4 | 100.00% |
void mdp4_irq_preinstall(struct msm_kms *kms)
{
struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
mdp4_enable(mdp4_kms);
mdp4_write(mdp4_kms, REG_MDP4_INTR_CLEAR, 0xffffffff);
mdp4_write(mdp4_kms, REG_MDP4_INTR_ENABLE, 0x00000000);
mdp4_disable(mdp4_kms);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 51 | 100.00% | 3 | 100.00% |
| Total | 51 | 100.00% | 3 | 100.00% |
int mdp4_irq_postinstall(struct msm_kms *kms)
{
struct mdp_kms *mdp_kms = to_mdp_kms(kms);
struct mdp4_kms *mdp4_kms = to_mdp4_kms(mdp_kms);
struct mdp_irq *error_handler = &mdp4_kms->error_handler;
error_handler->irq = mdp4_irq_error_handler;
error_handler->irqmask = MDP4_IRQ_PRIMARY_INTF_UDERRUN |
MDP4_IRQ_EXTERNAL_INTF_UDERRUN;
mdp_irq_register(mdp_kms, error_handler);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 64 | 100.00% | 2 | 100.00% |
| Total | 64 | 100.00% | 2 | 100.00% |
void mdp4_irq_uninstall(struct msm_kms *kms)
{
struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
mdp4_enable(mdp4_kms);
mdp4_write(mdp4_kms, REG_MDP4_INTR_ENABLE, 0x00000000);
mdp4_disable(mdp4_kms);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 42 | 100.00% | 3 | 100.00% |
| Total | 42 | 100.00% | 3 | 100.00% |
irqreturn_t mdp4_irq(struct msm_kms *kms)
{
struct mdp_kms *mdp_kms = to_mdp_kms(kms);
struct mdp4_kms *mdp4_kms = to_mdp4_kms(mdp_kms);
struct drm_device *dev = mdp4_kms->dev;
struct msm_drm_private *priv = dev->dev_private;
unsigned int id;
uint32_t status, enable;
enable = mdp4_read(mdp4_kms, REG_MDP4_INTR_ENABLE);
status = mdp4_read(mdp4_kms, REG_MDP4_INTR_STATUS) & enable;
mdp4_write(mdp4_kms, REG_MDP4_INTR_CLEAR, status);
VERB("status=%08x", status);
mdp_dispatch_irqs(mdp_kms, status);
for (id = 0; id < priv->num_crtcs; id++)
if (status & mdp4_crtc_vblank(priv->crtcs[id]))
drm_handle_vblank(dev, id);
return IRQ_HANDLED;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 126 | 90.65% | 3 | 75.00% |
| Jilai Wang | 13 | 9.35% | 1 | 25.00% |
| Total | 139 | 100.00% | 4 | 100.00% |
int mdp4_enable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
mdp4_enable(mdp4_kms);
mdp_update_vblank_mask(to_mdp_kms(kms),
mdp4_crtc_vblank(crtc), true);
mdp4_disable(mdp4_kms);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 33 | 58.93% | 2 | 66.67% |
| Hai Li | 23 | 41.07% | 1 | 33.33% |
| Total | 56 | 100.00% | 3 | 100.00% |
void mdp4_disable_vblank(struct msm_kms *kms, struct drm_crtc *crtc)
{
struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
mdp4_enable(mdp4_kms);
mdp_update_vblank_mask(to_mdp_kms(kms),
mdp4_crtc_vblank(crtc), false);
mdp4_disable(mdp4_kms);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 30 | 56.60% | 2 | 66.67% |
| Hai Li | 23 | 43.40% | 1 | 33.33% |
| Total | 53 | 100.00% | 3 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 468 | 85.40% | 6 | 75.00% |
| Hai Li | 46 | 8.39% | 1 | 12.50% |
| Jilai Wang | 34 | 6.20% | 1 | 12.50% |
| Total | 548 | 100.00% | 8 | 100.00% |
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