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gpu: nvgpu: pci power management for iGPU-PCIe devices

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Use the PCI power management functions for iGPU-PCIe devices.

JIRA NVGPU-9896

Change-Id: I1ac4ae67fa727e0a8e37ed2037d1417c5c19bb17
Signed-off-by: Ramalingam C <ramalingamc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2886799
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Ramalingam C
2023-04-12 08:58:08 +00:00
committed by mobile promotions
parent 24bebfabaf
commit 24475ad46b
1 changed files with 11 additions and 23 deletions
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16
drivers/gpu/nvgpu/os/linux/pci.c
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@@ -700,11 +700,6 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
if (IS_ERR(platform->reset_control))
platform->reset_control = NULL;
#endif
err = gk20a_pm_init(&pdev->dev);
if (err) {
dev_err(&pdev->dev, "pm init failed");
goto err_free_irq;
}
}
if (strchr(dev_name(&pdev->dev), '%')) {
@@ -717,13 +712,11 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
if (err)
goto err_free_irq;
if (!g->is_pci_igpu) {
err = nvgpu_pci_pm_init(&pdev->dev);
if (err) {
nvgpu_err(g, "pm init failed");
goto err_free_irq;
}
}
if (!platform->disable_nvlink) {
err = nvgpu_nvlink_probe(g);
@@ -754,12 +747,6 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
#endif
if (g->is_pci_igpu) {
err = gk20a_pm_late_init(&pdev->dev);
if (err) {
dev_err(&pdev->dev, "pm late_init failed");
goto err_free_irq;
}
l->nvgpu_reboot_nb.notifier_call =
nvgpu_kernel_shutdown_notification;
err = register_reboot_notifier(&l->nvgpu_reboot_nb);
@@ -769,13 +756,14 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
err = nvgpu_get_dt_clock_limit(g, &g->dgpu_max_clk);
if (err != 0)
nvgpu_info(g, "Missing nvgpu node");
}
err = nvgpu_pci_add_pci_power(pdev);
if (err) {
nvgpu_err(g, "add pci power failed (%d).", err);
goto err_free_irq;
}
}
nvgpu_mutex_init(&l->dmabuf_priv_list_lock);
nvgpu_init_list_node(&l->dmabuf_priv_list);