]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
drm/amdgpu: Enable suspend/resume gang in mes 12.1
authorAmber Lin <Amber.Lin@amd.com>
Fri, 13 Mar 2026 11:00:36 +0000 (07:00 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Apr 2026 18:42:42 +0000 (14:42 -0400)
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>
drivers/gpu/drm/amd/amdgpu/mes_v12_1.c

index 2d8a10d1893983abe8b98892f469776bf91a60fc..600d7d6588263f4b061411fab7b27fd1f4dbfd15 100644 (file)
@@ -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,