Commit b10c1c5b authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: add check for ACPI power resources 



Check if the device has ACPI power resources so we can
enable runtime pm if so.

Acked-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fd496ca8

drivers/gpu/drm/amd/amdgpu/amdgpu.h

+1 −0
Original line number Diff line number Diff line
@@ -1024,6 +1024,7 @@ struct amdgpu_device { 
	/* enable runtime pm on the device */

	bool                            runpm;

	bool                            in_runpm;

	bool                            has_pr3;



	bool                            pm_sysfs_en;

	bool                            ucode_sysfs_en;

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

+4 −0
Original line number Diff line number Diff line
@@ -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

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