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gpu: host1x: Remove PM ops from DLA host1x bus-side driver

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Remove power management ops from the host1x bus-side DLA driver. The host1x
bus-side driver is a virtual device and should not directly access hardware.
PM ops should only be used in the platform device driver.

This fixes suspend/resume test failure when tegra-drm is loaded without any
enabled engines under host1x node.

Bug 5055946

Change-Id: I2e07f759e1d92b4c5a92739e1b5439d39800773f
Signed-off-by: Vamsee Vardhan Thummala <vthummala@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3337661
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Mainak Sen <msen@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Vamsee Vardhan Thummala
2025-04-10 05:33:59 +00:00
committed by Jon Hunter
parent 05fdb35d8e
commit 6b5d0b8383
1 changed files with 0 additions and 9 deletions
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9
drivers/video/tegra/host/nvdla/port/device/nvdla_device_host1x.c
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@@ -396,14 +396,6 @@ static int nvdla_resume(struct device *dev)
return nvdla_runtime_resume(dev); return nvdla_runtime_resume(dev);
} }
/* Create our own PM operations structure */
static const struct dev_pm_ops nvdla_pm_ops = {
.runtime_suspend = nvdla_runtime_suspend,
.runtime_resume = nvdla_runtime_resume,
.suspend = nvdla_suspend,
.resume = nvdla_resume,
};
/* Module runtime suspend implementation */ /* Module runtime suspend implementation */
int nvdla_module_runtime_suspend(struct device *dev) int nvdla_module_runtime_suspend(struct device *dev)
{ {
@@ -547,7 +539,6 @@ void nvdla_module_complete_resume(struct device *dev)
static struct host1x_driver host1x_nvdla_driver = { static struct host1x_driver host1x_nvdla_driver = {
.driver = { .driver = {
.name = "host1x-nvdla", .name = "host1x-nvdla",
.pm = &nvdla_pm_ops,
}, },
}; };