Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Gang Ba <Gang.Ba@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Gang Ba
and committed by
Alex Deucher
16592e75
a2a7e750
+12
+6
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
+6
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12.c
···
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m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
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/* Allow context switch so we don't cross-process starve with a massive
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* command buffer of long-running SDMA commands
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* sdmax_rlcx_ib_cntl represent SDMA_QUEUE0_IB_CNTL register
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*/
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m->sdmax_rlcx_ib_cntl |= SDMA0_QUEUE0_IB_CNTL__SWITCH_INSIDE_IB_MASK;
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q->is_active = QUEUE_IS_ACTIVE(*q);
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}
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+6
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c
+6
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v12_1.c
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m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
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/* Allow context switch so we don't cross-process starve with a massive
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* command buffer of long-running SDMA commands
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* sdmax_rlcx_ib_cntl represent SDMA_QUEUE0_IB_CNTL register
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*/
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m->sdmax_rlcx_ib_cntl |= SDMA0_SDMA_QUEUE0_IB_CNTL__SWITCH_INSIDE_IB_MASK;
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q->is_active = QUEUE_IS_ACTIVE(*q);
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}
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