projects
/
platform
/
kernel
/
linux-rpi.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
7326bf8
)
dmaengine: idxd: restore traffic class defaults after wq reset
author
Dave Jiang
<dave.jiang@intel.com>
Mon, 24 Jan 2022 16:20:33 +0000
(09:20 -0700)
committer
Vinod Koul
<vkoul@kernel.org>
Tue, 15 Feb 2022 11:37:49 +0000
(17:07 +0530)
When clearing the group configurations, the driver fails to restore the
default setting for DSA 1.x based devices. Add defaults in
idxd_groups_clear_state() for traffic class configuration.
Fixes:
ade8a86b512c
("dmaengine: idxd: Set defaults for GRPCFG traffic class")
Reported-by: Binuraj Ravindran <binuraj.ravindran@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link:
https://lore.kernel.org/r/164304123369.824298.6952463420266592087.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/idxd/device.c
patch
|
blob
|
history
diff --git
a/drivers/dma/idxd/device.c
b/drivers/dma/idxd/device.c
index
573ad8b
..
3061fe8
100644
(file)
--- a/
drivers/dma/idxd/device.c
+++ b/
drivers/dma/idxd/device.c
@@
-681,8
+681,13
@@
static void idxd_groups_clear_state(struct idxd_device *idxd)
group->use_rdbuf_limit = false;
group->rdbufs_allowed = 0;
group->rdbufs_reserved = 0;
- group->tc_a = -1;
- group->tc_b = -1;
+ if (idxd->hw.version < DEVICE_VERSION_2 && !tc_override) {
+ group->tc_a = 1;
+ group->tc_b = 1;
+ } else {
+ group->tc_a = -1;
+ group->tc_b = -1;
+ }
}
}