Commit 72f058b7 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: enable runtime pm on BACO capable boards if runpm=1 



BACO - Bus Active, Chip Off

Everything is in place now.  Not enabled by default yet.  You
still have to specify runpm=1.

Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3840c5bc

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

+7 −4
Original line number Diff line number Diff line
@@ -157,10 +157,6 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) 
	    !pci_is_thunderbolt_attached(dev->pdev))

		flags |= AMD_IS_PX;



	if ((amdgpu_runtime_pm != 0) &&

	    (flags & AMD_IS_PX))

		adev->runpm = true;



	/* amdgpu_device_init should report only fatal error

	 * like memory allocation failure or iomapping failure,

	 * or memory manager initialization failure, it must
@@ -173,6 +169,13 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) 
		goto out;

	}



	if (amdgpu_device_supports_boco(dev) &&

	    (amdgpu_runtime_pm != 0)) /* enable runpm by default */

		adev->runpm = true;

	else if (amdgpu_device_supports_baco(dev) &&

		 (amdgpu_runtime_pm > 0)) /* enable runpm if runpm=1 */

		adev->runpm = true;



	/* Call ACPI methods: require modeset init

	 * but failure is not fatal

	 */

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