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drm/amdgpu: enable unmapped doorbell handling basic mode on mes 12

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This reverts commit fcc5df722dbc47c3a84386a1c70647cfe153e65d.

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2024-05-08 21:32:58 -04:00 committed by Alex Deucher
parent 8e8c68f4c9
commit 4488cd671c
2 changed files with 16 additions and 1 deletions
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14
drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
View File

@ -525,7 +525,14 @@ static int mes_v12_0_set_hw_resources(struct amdgpu_mes *mes)
mes_set_hw_res_pkt.disable_mes_log = 1;
mes_set_hw_res_pkt.use_different_vmid_compute = 1;
mes_set_hw_res_pkt.enable_reg_active_poll = 1;
/*
* Keep oversubscribe timer for sdma . When we have unmapped doorbell
* handling support, other queue will not use the oversubscribe timer.
* handling mode - 0: disabled; 1: basic version; 2: basic+ version
*/
mes_set_hw_res_pkt.oversubscription_timer = 50;
mes_set_hw_res_pkt.unmapped_doorbell_handling = 1;
mes_set_hw_res_pkt.enable_mes_event_int_logging = 0;
mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr;
@ -972,6 +979,13 @@ static int mes_v12_0_mqd_init(struct amdgpu_ring *ring)
mqd->cp_hqd_iq_timer = regCP_HQD_IQ_TIMER_DEFAULT;
mqd->cp_hqd_quantum = regCP_HQD_QUANTUM_DEFAULT;
/*
* Set CP_HQD_GFX_CONTROL.DB_UPDATED_MSG_EN[15] to enable unmapped
* doorbell handling. This is a reserved CP internal register can
* not be accesss by others
*/
mqd->reserved_184 = BIT(15);
return 0;
}

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

@ -239,7 +239,8 @@ union MESAPI_SET_HW_RESOURCES {
uint32_t send_write_data : 1;
uint32_t os_tdr_timeout_override : 1;
uint32_t use_rs64mem_for_proc_gang_ctx : 1;
uint32_t reserved : 17;
uint32_t unmapped_doorbell_handling: 2;
uint32_t reserved : 15;
};
uint32_t uint32_all;
};