Commit 16592e75 authored by Gang Ba's avatar Gang Ba Committed by Alex Deucher
Browse files

drm/amdkfd: Set SDMA_QUEUEx_IB_CNTL/SWITCH_INSIDE_IB 



    When submitting MQD to CP, set SDMA_QUEUEx_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 avatarGang Ba <Gang.Ba@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a2a7e750

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c

+6 −0
Original line number Diff line number Diff line
@@ -351,6 +351,12 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, 


	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

	* sdmax_rlcx_ib_cntl represent SDMA_QUEUE0_IB_CNTL register

	*/

	m->sdmax_rlcx_ib_cntl |= SDMA0_QUEUE0_IB_CNTL__SWITCH_INSIDE_IB_MASK;



	q->is_active = QUEUE_IS_ACTIVE(*q);

}

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c

+6 −0
Original line number Diff line number Diff line
@@ -363,6 +363,12 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd, 


	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

	* sdmax_rlcx_ib_cntl represent SDMA_QUEUE0_IB_CNTL register

	*/

	m->sdmax_rlcx_ib_cntl |= SDMA0_SDMA_QUEUE0_IB_CNTL__SWITCH_INSIDE_IB_MASK;



	q->is_active = QUEUE_IS_ACTIVE(*q);

}