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drm/amdkfd: Fix sdma queue map issue

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Previous codes assumes there are two sdma engines.
This is not true e.g., Raven only has 1 SDMA engine.
Fix the issue by using sdma engine number info in
device_info.

Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Oak Zeng 2019-02-08 15:44:35 -06:00 • committed by Alex Deucher
parent e78579aab7
commit 065e4bdfa1
1 changed files with 12 additions and 9 deletions
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21
drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
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@ -1212,12 +1212,17 @@ int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
return 0;
}
static int unmap_sdma_queues(struct device_queue_manager *dqm,
unsigned int sdma_engine)
static int unmap_sdma_queues(struct device_queue_manager *dqm)
{
return pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false,
sdma_engine);
int i, retval = 0;
for (i = 0; i < dqm->dev->device_info->num_sdma_engines; i++) {
retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_SDMA,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0, false, i);
if (retval)
return retval;
}
return retval;
}
/* dqm->lock mutex has to be locked before calling this function */
@ -1256,10 +1261,8 @@ static int unmap_queues_cpsch(struct device_queue_manager *dqm,
pr_debug("Before destroying queues, sdma queue count is : %u\n",
dqm->sdma_queue_count);
if (dqm->sdma_queue_count > 0) {
unmap_sdma_queues(dqm, 0);
unmap_sdma_queues(dqm, 1);
}
if (dqm->sdma_queue_count > 0)
unmap_sdma_queues(dqm);
retval = pm_send_unmap_queue(&dqm->packets, KFD_QUEUE_TYPE_COMPUTE,
filter, filter_param, false, 0);