Commit 6abd725f authored by Jesse.Zhang's avatar Jesse.Zhang Committed by Alex Deucher
Browse files

drm/amd/amdgpu: Implement MES suspend/resume gang functionality for v12 



This commit implements the actual MES (Micro Engine Scheduler) suspend
and resume gang operations for version 12 hardware. Previously these
functions were just stubs returning success.

v2: Always use AMDGPU_MES_SCHED_PIPE

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarJesse Zhang <Jesse.Zhang@amd.com>
parent 23183365

drivers/gpu/drm/amd/amdgpu/mes_v12_0.c

+30 −2
Original line number Diff line number Diff line
@@ -568,13 +568,41 @@ static int mes_v12_0_unmap_legacy_queue(struct amdgpu_mes *mes, 
static int mes_v12_0_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;



	return mes_v12_0_submit_pkt_and_poll_completion(mes, AMDGPU_MES_SCHED_PIPE,

			&mes_suspend_gang_pkt, sizeof(mes_suspend_gang_pkt),

			offsetof(union MESAPI__SUSPEND, api_status));

}



static int mes_v12_0_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;



	return mes_v12_0_submit_pkt_and_poll_completion(mes, AMDGPU_MES_SCHED_PIPE,

			&mes_resume_gang_pkt, sizeof(mes_resume_gang_pkt),

			offsetof(union MESAPI__RESUME, api_status));

}



static int mes_v12_0_query_sched_status(struct amdgpu_mes *mes, int pipe)