diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4552-drm-amdgpu-enable-runtime-pm-on-BACO-capable-boards-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4552-drm-amdgpu-enable-runtime-pm-on-BACO-capable-boards-.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4552-drm-amdgpu-enable-runtime-pm-on-BACO-capable-boards-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4552-drm-amdgpu-enable-runtime-pm-on-BACO-capable-boards-.patch new file mode 100644 index 00000000..4ba2b701 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4552-drm-amdgpu-enable-runtime-pm-on-BACO-capable-boards-.patch @@ -0,0 +1,50 @@ +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 + |