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From fa9465f398898166c54daaa04a470d40539e0b4a Mon Sep 17 00:00:00 2001
From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Sat, 29 Sep 2018 12:17:42 +0800
Subject: [PATCH 0952/2940] drm/amdgpu/psp: add get_hive_id function
get_hive_id is used for driver to query hive_id for current device
from xgmi ta
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 69507ec3a3c4..40a224ec4cb4 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -699,13 +699,20 @@ static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp)
{
- u64 hive_id = 0;
+ struct ta_xgmi_shared_memory *xgmi_cmd;
+ int ret;
+
+ xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+ memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
- /* Remove me when we can get correct hive_id through PSP */
- if (psp->adev->gmc.xgmi.num_physical_nodes)
- hive_id = 0x123456789abcdef;
+ xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
- return hive_id;
+ /* Invoke xgmi ta to get hive id */
+ ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+ if (ret)
+ return 0;
+ else
+ return xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
}
static u64 psp_v11_0_xgmi_get_node_id(struct psp_context *psp)
--
2.17.1
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