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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/gpu/drm/panfrost/panfrost_device.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_device.c')
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_device.c81
1 files changed, 77 insertions, 4 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c
index 28f7046e1b..a45e4addcc 100644
--- a/drivers/gpu/drm/panfrost/panfrost_device.c
+++ b/drivers/gpu/drm/panfrost/panfrost_device.c
@@ -403,7 +403,7 @@ void panfrost_device_reset(struct panfrost_device *pfdev)
panfrost_job_enable_interrupts(pfdev);
}
-static int panfrost_device_resume(struct device *dev)
+static int panfrost_device_runtime_resume(struct device *dev)
{
struct panfrost_device *pfdev = dev_get_drvdata(dev);
@@ -413,7 +413,7 @@ static int panfrost_device_resume(struct device *dev)
return 0;
}
-static int panfrost_device_suspend(struct device *dev)
+static int panfrost_device_runtime_suspend(struct device *dev)
{
struct panfrost_device *pfdev = dev_get_drvdata(dev);
@@ -421,10 +421,83 @@ static int panfrost_device_suspend(struct device *dev)
return -EBUSY;
panfrost_devfreq_suspend(pfdev);
+ panfrost_job_suspend_irq(pfdev);
+ panfrost_mmu_suspend_irq(pfdev);
+ panfrost_gpu_suspend_irq(pfdev);
panfrost_gpu_power_off(pfdev);
return 0;
}
-EXPORT_GPL_RUNTIME_DEV_PM_OPS(panfrost_pm_ops, panfrost_device_suspend,
- panfrost_device_resume, NULL);
+static int panfrost_device_resume(struct device *dev)
+{
+ struct panfrost_device *pfdev = dev_get_drvdata(dev);
+ int ret;
+
+ if (pfdev->comp->pm_features & BIT(GPU_PM_VREG_OFF)) {
+ unsigned long freq = pfdev->pfdevfreq.fast_rate;
+ struct dev_pm_opp *opp;
+
+ opp = dev_pm_opp_find_freq_ceil(dev, &freq);
+ if (IS_ERR(opp))
+ return PTR_ERR(opp);
+ dev_pm_opp_set_opp(dev, opp);
+ dev_pm_opp_put(opp);
+ }
+
+ if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS)) {
+ ret = clk_enable(pfdev->clock);
+ if (ret)
+ goto err_clk;
+
+ if (pfdev->bus_clock) {
+ ret = clk_enable(pfdev->bus_clock);
+ if (ret)
+ goto err_bus_clk;
+ }
+ }
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret)
+ goto err_resume;
+
+ return 0;
+
+err_resume:
+ if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS) && pfdev->bus_clock)
+ clk_disable(pfdev->bus_clock);
+err_bus_clk:
+ if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS))
+ clk_disable(pfdev->clock);
+err_clk:
+ if (pfdev->comp->pm_features & BIT(GPU_PM_VREG_OFF))
+ dev_pm_opp_set_opp(dev, NULL);
+ return ret;
+}
+
+static int panfrost_device_suspend(struct device *dev)
+{
+ struct panfrost_device *pfdev = dev_get_drvdata(dev);
+ int ret;
+
+ ret = pm_runtime_force_suspend(dev);
+ if (ret)
+ return ret;
+
+ if (pfdev->comp->pm_features & BIT(GPU_PM_CLK_DIS)) {
+ if (pfdev->bus_clock)
+ clk_disable(pfdev->bus_clock);
+
+ clk_disable(pfdev->clock);
+ }
+
+ if (pfdev->comp->pm_features & BIT(GPU_PM_VREG_OFF))
+ dev_pm_opp_set_opp(dev, NULL);
+
+ return 0;
+}
+
+EXPORT_GPL_DEV_PM_OPS(panfrost_pm_ops) = {
+ RUNTIME_PM_OPS(panfrost_device_runtime_suspend, panfrost_device_runtime_resume, NULL)
+ SYSTEM_SLEEP_PM_OPS(panfrost_device_suspend, panfrost_device_resume)
+};