[16/20] drm/amdgpu/runpm: enable runpm on baco capable VI+ asics (v2)
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Message ID 20191115165038.56646-17-alexander.deucher@amd.com
State New
Headers show
Series
  • Enable BACO for power savings (v3)
Related show

Commit Message

Alex Deucher Nov. 15, 2019, 4:50 p.m. UTC
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(-)

Patch
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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