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dmaengine: idxd: set descriptor allocation size to threshold for swq 

Since submission is sent to limited portal, the actual wq size for shared
wq is set by the threshold rather than the wq size. When the wq type is
shared, set the allocated descriptors to the threshold.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/162827151733.3459223.3829837172226042408.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang 2021-08-06 10:38:37 -07:00 committed by Vinod Koul
parent 0b030f54f0
commit 9806eb5c79
1 changed files with 2 additions and 2 deletions
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4
drivers/dma/idxd/device.c
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@ -141,8 +141,8 @@ int idxd_wq_alloc_resources(struct idxd_wq *wq)
if (wq->type != IDXD_WQT_KERNEL)
return 0;
wq->num_descs = wq->size;
num_descs = wq->size;
num_descs = wq_dedicated(wq) ? wq->size : wq->threshold;
wq->num_descs = num_descs;
rc = alloc_hw_descs(wq, num_descs);
if (rc < 0)