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drm/amdgpu: Enable MES lr_compute_wa by default

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The MES set resources packet has an optional bit 'lr_compute_wa'
which can be used for preventing MES hangs on long compute jobs.

Set this bit by default.

Co-developed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Limonciello 2025-09-18 19:48:00 -05:00 • committed by Alex Deucher
parent c5b3cc417b
commit 1fb710793c
4 changed files with 15 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
View file

@ -713,6 +713,12 @@ static int mes_v11_0_set_hw_resources(struct amdgpu_mes *mes)
mes_set_hw_res_pkt.enable_reg_active_poll = 1;
mes_set_hw_res_pkt.enable_level_process_quantum_check = 1;
mes_set_hw_res_pkt.oversubscription_timer = 50;
if ((mes->adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x7f)
mes_set_hw_res_pkt.enable_lr_compute_wa = 1;
else
dev_info_once(mes->adev->dev,
"MES FW version must be >= 0x7f to enable LR compute workaround.\n");
if (amdgpu_mes_log_enable) {
mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr =

5
drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
View file

@ -769,6 +769,11 @@ static int mes_v12_0_set_hw_resources(struct amdgpu_mes *mes, int pipe)
mes_set_hw_res_pkt.use_different_vmid_compute = 1;
mes_set_hw_res_pkt.enable_reg_active_poll = 1;
mes_set_hw_res_pkt.enable_level_process_quantum_check = 1;
if ((mes->adev->mes.sched_version & AMDGPU_MES_VERSION_MASK) >= 0x82)
mes_set_hw_res_pkt.enable_lr_compute_wa = 1;
else
dev_info_once(adev->dev,
"MES FW version must be >= 0x82 to enable LR compute workaround.\n");
/*
* Keep oversubscribe timer for sdma . When we have unmapped doorbell

3
drivers/gpu/drm/amd/include/mes_v11_api_def.h
View file

@ -238,7 +238,8 @@ union MESAPI_SET_HW_RESOURCES {
uint32_t enable_mes_sch_stb_log : 1;
uint32_t limit_single_process : 1;
uint32_t is_strix_tmz_wa_enabled :1;
uint32_t reserved : 13;
uint32_t enable_lr_compute_wa : 1;
uint32_t reserved : 12;
};
uint32_t uint32_t_all;
};

3
drivers/gpu/drm/amd/include/mes_v12_api_def.h
View file

@ -287,7 +287,8 @@ union MESAPI_SET_HW_RESOURCES {
uint32_t limit_single_process : 1;
uint32_t unmapped_doorbell_handling: 2;
uint32_t enable_mes_fence_int: 1;
uint32_t reserved : 10;
uint32_t enable_lr_compute_wa : 1;
uint32_t reserved : 9;
};
uint32_t uint32_all;
};