diff options
Diffstat (limited to 'drivers/gpu/host1x/dev.c')
| -rw-r--r-- | drivers/gpu/host1x/dev.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 7c6699aed7..42fd504abb 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -488,7 +488,7 @@ static int host1x_get_resets(struct host1x *host) static int host1x_probe(struct platform_device *pdev) { struct host1x *host; - int err; + int err, i; host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL); if (!host) @@ -516,9 +516,30 @@ static int host1x_probe(struct platform_device *pdev) return PTR_ERR(host->regs); } - host->syncpt_irq = platform_get_irq(pdev, 0); - if (host->syncpt_irq < 0) - return host->syncpt_irq; + for (i = 0; i < ARRAY_SIZE(host->syncpt_irqs); i++) { + char irq_name[] = "syncptX"; + + sprintf(irq_name, "syncpt%d", i); + + err = platform_get_irq_byname_optional(pdev, irq_name); + if (err == -ENXIO) + break; + if (err < 0) + return err; + + host->syncpt_irqs[i] = err; + } + + host->num_syncpt_irqs = i; + + /* Device tree without irq names */ + if (i == 0) { + host->syncpt_irqs[0] = platform_get_irq(pdev, 0); + if (host->syncpt_irqs[0] < 0) + return host->syncpt_irqs[0]; + + host->num_syncpt_irqs = 1; + } mutex_init(&host->devices_lock); INIT_LIST_HEAD(&host->devices); @@ -655,6 +676,7 @@ static int __maybe_unused host1x_runtime_suspend(struct device *dev) struct host1x *host = dev_get_drvdata(dev); int err; + host1x_channel_stop_all(host); host1x_intr_stop(host); host1x_syncpt_save(host); @@ -719,7 +741,7 @@ release_reset: static const struct dev_pm_ops host1x_pm_ops = { SET_RUNTIME_PM_OPS(host1x_runtime_suspend, host1x_runtime_resume, NULL) - /* TODO: add system suspend-resume once driver will be ready for that */ + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) }; static struct platform_driver tegra_host1x_driver = { |