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From 6732f803e38ae86d6c4ca361808f9e508c5fde11 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 4 Oct 2019 13:47:39 -0500
Subject: [PATCH 4552/4736] drm/amdgpu: enable runtime pm on BACO capable
boards if runpm=1
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>
Signed-off-by: Rahul Kumar <rahul.kumar1@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index ab7697d7b70a..5fce120e2d86 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -154,10 +154,6 @@ 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
@@ -170,6 +166,13 @@ 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
*/
--
2.17.1
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