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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index fc12fc72366f..b16b32797624 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -133,6 +133,7 @@ void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
{
struct drm_device *dev;
+ struct pci_dev *parent;
int r, acpi_status;
dev = adev_to_drm(adev);
@@ -144,6 +145,9 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
!pci_is_thunderbolt_attached(dev->pdev))
flags |= AMD_IS_PX;
+ parent = pci_upstream_bridge(adev->pdev);
+ adev->has_pr3 = parent ? pci_pr3_present(parent) : false;
+
/* amdgpu_device_init should report only fatal error
* like memory allocation failure or iomapping failure,
* or memory manager initialization failure, it must
@@ -156,9 +160,14 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
goto out;
}
- if (amdgpu_device_supports_boco(dev) &&
- (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
+ if (amdgpu_device_supports_atpx(dev) &&
+ (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */
+ adev->runpm = true;
+ dev_info(adev->dev, "Using ATPX for runtime pm\n");
+ } else if (amdgpu_device_supports_boco(dev) &&
+ (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */
adev->runpm = true;
+ dev_info(adev->dev, "Using BOCO for runtime pm\n");
} else if (amdgpu_device_supports_baco(dev) &&
(amdgpu_runtime_pm != 0)) {
switch (adev->asic_type) {
@@ -180,6 +189,8 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
adev->runpm = true;
break;
}
+ if (adev->runpm)
+ dev_info(adev->dev, "Using BACO for runtime pm\n");
}
/* Call ACPI methods: require modeset init
@@ -192,7 +203,7 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
if (adev->runpm) {
/* only need to skip on ATPX */
- if (amdgpu_device_supports_boco(dev) &&
+ if (amdgpu_device_supports_atpx(dev) &&
!amdgpu_is_atpx_hybrid())
dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_use_autosuspend(dev->dev);