Commit 75792058 authored by Jay Cornwall's avatar Jay Cornwall Committed by Alex Deucher
Browse files

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: default avatarJay Cornwall <jay.cornwall@amd.com>
Cc: Alexandru Tudor <alexandru.tudor@amd.com>
Reviewed-by: default avatarHarish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 219223ec

drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

+1 −0
Original line number Diff line number Diff line
@@ -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,