diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4538-drm-amdgpu-add-asic-callback-for-BACO-support.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4538-drm-amdgpu-add-asic-callback-for-BACO-support.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4538-drm-amdgpu-add-asic-callback-for-BACO-support.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4538-drm-amdgpu-add-asic-callback-for-BACO-support.patch new file mode 100644 index 00000000..701103e5 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4538-drm-amdgpu-add-asic-callback-for-BACO-support.patch @@ -0,0 +1,41 @@ +From ac82736a44cd284962cf06b49c16c3f27746f3fd Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 4 Oct 2019 10:01:35 -0500 +Subject: [PATCH 4538/4736] drm/amdgpu: add asic callback for BACO support + +BACO - Bus Active, Chip Off + +Used to check whether the device supports BACO. This will +be used to enable runtime pm on devices which support BACO. + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu.h | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +index 9915f0472611..0e736a65d5dc 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h +@@ -599,6 +599,8 @@ struct amdgpu_asic_funcs { + bool (*need_reset_on_init)(struct amdgpu_device *adev); + /* PCIe replay counter */ + uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev); ++ /* device supports BACO */ ++ bool (*supports_baco)(struct amdgpu_device *adev); + }; + + /* +@@ -1168,6 +1170,8 @@ int emu_soc_asic_init(struct amdgpu_device *adev); + #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1))) + #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev)) + #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev))) ++#define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev)) ++ + #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter)); + + /* Common functions */ +-- +2.17.1 + |