From: Mario Limonciello Date: Fri, 19 Sep 2025 00:48:00 +0000 (-0500) Subject: drm/amdgpu: Enable MES lr_compute_wa by default X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1fb710793ce2619223adffaf981b1ff13cd48f17;p=users%2Fhch%2Fmisc.git drm/amdgpu: Enable MES lr_compute_wa by default 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 Signed-off-by: Yifan Zhang Acked-by: Alex Deucher Signed-off-by: Mario Limonciello Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index 3b91ea601add..e82188431f79 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -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 = diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 998893dff08e..aff06f06aeee 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -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 diff --git a/drivers/gpu/drm/amd/include/mes_v11_api_def.h b/drivers/gpu/drm/amd/include/mes_v11_api_def.h index 15680c3f4970..ab1cfc92dbeb 100644 --- a/drivers/gpu/drm/amd/include/mes_v11_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v11_api_def.h @@ -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; }; diff --git a/drivers/gpu/drm/amd/include/mes_v12_api_def.h b/drivers/gpu/drm/amd/include/mes_v12_api_def.h index c04bd351b250..69611c7e30e3 100644 --- a/drivers/gpu/drm/amd/include/mes_v12_api_def.h +++ b/drivers/gpu/drm/amd/include/mes_v12_api_def.h @@ -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; };