diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mes_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 5519655fd70a..26d4046f82f4 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -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; } |