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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
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