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drm/amdgpu: Enable suspend/resume gang in mes 12.1

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This patch adds code to mes_v12_1_suspend_gang and mes_v12_1_resume_gang.

Signed-off-by: Amber Lin <Amber.Lin@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Amber Lin 2026-03-13 07:00:36 -04:00 committed by Alex Deucher
parent ef94439908
commit 5071ccf2b1
1 changed files with 32 additions and 2 deletions
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34
drivers/gpu/drm/amd/amdgpu/mes_v12_1.c
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@ -469,13 +469,43 @@ static int mes_v12_1_unmap_legacy_queue(struct amdgpu_mes *mes,
static int mes_v12_1_suspend_gang(struct amdgpu_mes *mes,
struct mes_suspend_gang_input *input)
{
return 0;
union MESAPI__SUSPEND mes_suspend_gang_pkt;
memset(&mes_suspend_gang_pkt, 0, sizeof(mes_suspend_gang_pkt));
mes_suspend_gang_pkt.header.type = MES_API_TYPE_SCHEDULER;
mes_suspend_gang_pkt.header.opcode = MES_SCH_API_SUSPEND;
mes_suspend_gang_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
mes_suspend_gang_pkt.suspend_all_gangs = input->suspend_all_gangs;
mes_suspend_gang_pkt.gang_context_addr = input->gang_context_addr;
mes_suspend_gang_pkt.suspend_fence_addr = input->suspend_fence_addr;
mes_suspend_gang_pkt.suspend_fence_value = input->suspend_fence_value;
/* Suspend gang is handled by master MES */
return mes_v12_1_submit_pkt_and_poll_completion(mes, input->xcc_id, AMDGPU_MES_SCHED_PIPE,
&mes_suspend_gang_pkt, sizeof(mes_suspend_gang_pkt),
offsetof(union MESAPI__SUSPEND, api_status));
}
static int mes_v12_1_resume_gang(struct amdgpu_mes *mes,
struct mes_resume_gang_input *input)
{
return 0;
union MESAPI__RESUME mes_resume_gang_pkt;
memset(&mes_resume_gang_pkt, 0, sizeof(mes_resume_gang_pkt));
mes_resume_gang_pkt.header.type = MES_API_TYPE_SCHEDULER;
mes_resume_gang_pkt.header.opcode = MES_SCH_API_RESUME;
mes_resume_gang_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
mes_resume_gang_pkt.resume_all_gangs = input->resume_all_gangs;
mes_resume_gang_pkt.gang_context_addr = input->gang_context_addr;
/* Resume gang is handled by master MES */
return mes_v12_1_submit_pkt_and_poll_completion(mes, input->xcc_id, AMDGPU_MES_SCHED_PIPE,
&mes_resume_gang_pkt, sizeof(mes_resume_gang_pkt),
offsetof(union MESAPI__RESUME, api_status));
}
static int mes_v12_1_query_sched_status(struct amdgpu_mes *mes,