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 <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>

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 3b91ea6..e821884 100644 (file)
--- 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 998893d..aff06f0 100644 (file)
--- 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 15680c3..ab1cfc9 100644 (file)
--- 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 c04bd35..69611c7 100644 (file)
--- 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;
                };