BACO - Bus Active, Chip Off
Works reliably on VI, vega.
v2: don't enable on navi yet.
Reviewed-by: Evan Quan evan.quan@amd.com (v1) Signed-off-by: Alex Deucher alexander.deucher@amd.com --- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 169db941f933..0c122ff2a7d0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -170,10 +170,15 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) }
if (amdgpu_device_supports_boco(dev) && - (amdgpu_runtime_pm != 0)) /* enable runpm by default */ + (amdgpu_runtime_pm != 0)) /* enable runpm by default for boco */ adev->runpm = true; else if (amdgpu_device_supports_baco(dev) && - (amdgpu_runtime_pm > 0)) /* enable runpm if runpm=1 */ + (amdgpu_runtime_pm != 0) && + (adev->asic_type >= CHIP_TOPAZ) && + (adev->asic_type <= CHIP_VEGA20)) /* enable runpm by default on VI, vega */ + adev->runpm = true; + else if (amdgpu_device_supports_baco(dev) && + (amdgpu_runtime_pm > 0)) /* enable runpm if runpm=1 on CI, NV */ adev->runpm = true;
/* Call ACPI methods: require modeset init