Commit ab9fcc63 authored by Amber Lin's avatar Amber Lin Committed by Alex Deucher
Browse files

drm/amdkfd: Set SDMA_RLCx_IB_CNTL/SWITCH_INSIDE_IB 



When submitting MQD to CP, set SDMA_RLCx_IB_CNTL/SWITCH_INSIDE_IB bit so
it'll allow SDMA preemption if there is a massive command buffer of
long-running SDMA commands.

Signed-off-by: default avatarAmber Lin <Amber.Lin@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ffc7e11c

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c

+4 −0
Original line number Diff line number Diff line
@@ -495,6 +495,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, 
	m->sdma_engine_id = q->sdma_engine_id;

	m->sdma_queue_id = q->sdma_queue_id;

	m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;

	/* Allow context switch so we don't cross-process starve with a massive

	 * command buffer of long-running SDMA commands

	 */

	m->sdmax_rlcx_ib_cntl |= SDMA0_GFX_IB_CNTL__SWITCH_INSIDE_IB_MASK;



	q->is_active = QUEUE_IS_ACTIVE(*q);

}