diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5b772f2af6eb..0cfccea722f8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1318,6 +1318,31 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev) return true; } +/** + * amdgpu_device_should_use_aspm - check if the device should program ASPM + * + * @adev: amdgpu_device pointer + * + * Confirm whether the module parameter and pcie bridge agree that ASPM should + * be set for this device. + * + * Returns true if it should be used or false if not. + */ +bool amdgpu_device_should_use_aspm(struct amdgpu_device *adev) +{ + switch (amdgpu_aspm) { + case -1: + break; + case 0: + return false; + case 1: + return true; + default: + return false; + } + return pcie_aspm_enabled(adev->pdev); +} + /* if we get transitioned to only one device, take VGA back */ /** * amdgpu_device_vga_set_decode - enable/disable vga decode |