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drm/amdgpu/psp: add get_hive_id function

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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>
This commit is contained in:
Hawking Zhang 2018-09-29 12:17:42 +08:00 committed by Alex Deucher
parent dd3c45d306
commit 4b93151f57
1 changed files with 12 additions and 5 deletions
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17
drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
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@ -581,13 +581,20 @@ 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;
/* Remove me when we can get correct hive_id through PSP */
if (psp->adev->gmc.xgmi.num_physical_nodes)
hive_id = 0x123456789abcdef;
xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
return hive_id;
xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_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)