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

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The new mechanism for unmapped doorbell handling requires both driver side and
MES fw side change. The FW side changes are still not released.

Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Harish Kasiviswanthan <Harish.Kasiviswanthan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
shaoyunl 2024-03-25 12:02:58 -04:00 committed by Alex Deucher
parent 663bbfaf68
commit fcc5df722d
2 changed files with 2 additions and 17 deletions
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16
drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
View File

@ -422,14 +422,7 @@ 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;
/*
* No need to enable oversubscribe timer when we have unmapped doorbell
* handling support.
* handling mode - 0: disabled; 1: basic version; 2: basic+ version
*/
mes_set_hw_res_pkt.oversubscription_timer = 0;
mes_set_hw_res_pkt.unmapped_doorbell_handling = 1;
mes_set_hw_res_pkt.oversubscription_timer = 50;
mes_set_hw_res_pkt.enable_mes_event_int_logging = 1;
@ -877,13 +870,6 @@ 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

@ -238,8 +238,7 @@ 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 unmapped_doorbell_handling: 2;
uint32_t reserved : 15;
uint32_t reserved : 17;
};
uint32_t uint32_all;
};