This allows runtime power management to kick in on amdgpu driver when
the underlying hardware supports either BOCO or BACO. This can still be
avoided if boot arg amdgpu.runpm = 0 is supplied.
BOCO: Bus Off, Chip Off
BACO: Bus Alive, Chip Off
Signed-off-by: Rajneesh Bhardwaj <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 3a0ea9096498..7958d508486e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -169,11 +169,10 @@ 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 */
+ /* always enable runtime power management except when amdgpu.runpm=0 */
+ if ((amdgpu_device_supports_boco(dev) ||
+ amdgpu_device_supports_baco(dev))
+ && (amdgpu_runtime_pm != 0))
adev->runpm = true;
/* Call ACPI methods: require modeset init
--
2.17.1
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