[AMD Official Use Only - General] Reviewed-by: Harish Kasiviswanathan <[email protected]>
-----Original Message----- From: amd-gfx <[email protected]> On Behalf Of Jay Cornwall Sent: Wednesday, October 4, 2023 12:00 PM To: [email protected] Cc: Cornwall, Jay <[email protected]>; Tudor, Alexandru <[email protected]> Subject: [PATCH] drm/amdgpu: Improve MES responsiveness during oversubscription When MES is oversubscribed it may not frequently check for new command submissions from driver if the scheduling load is high. Response latency as high as 5 seconds has been observed. Enable a flag which adds a check for new commands between scheduling quantums. Signed-off-by: Jay Cornwall <[email protected]> Cc: Alexandru Tudor <[email protected]> --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index 4a3020b5b30f..31b26e6f0b30 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -406,6 +406,7 @@ static int mes_v11_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; + mes_set_hw_res_pkt.enable_level_process_quantum_check = 1; mes_set_hw_res_pkt.oversubscription_timer = 50; return mes_v11_0_submit_pkt_and_poll_completion(mes, -- 2.25.1
