[15/20] drm/amdgpu: enable runtime pm on BACO capable boards if runpm=1
diff mbox series

Message ID 20191115165038.56646-16-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

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

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

Patch
diff mbox series

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 89b021c54b93..169db941f933 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -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
 	 */