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soc: hw-fence: Add MSM_HW_FENCE_FLAG_SIGNALED_BIT

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This bit is set by hw-fence driver when it sees that the hw-fence
is already signaled at the time when a client wants to add itself
as a waiter for this hw-fence. This helps the client to avoid adding
itself as a waiter for an already signaled hw-fence.

Change-Id: I767745923066ee66c4bd8cd756ff05cd8cdbc833
Signed-off-by: Harshdeep Dhatt <quic_hdhatt@quicinc.com>
This commit is contained in:
Harshdeep Dhatt 2022-09-27 13:46:59 -06:00 committed by Gerrit - the friendly Code Review server
parent 87e3484a2c
commit 9a0e3cee09
1 changed files with 9 additions and 0 deletions
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9
include/linux/soc/qcom/msm_hw_fence.h
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@ -18,6 +18,15 @@
*/
#define MSM_HW_FENCE_FLAG_ENABLED_BIT 31
/**
* MSM_HW_FENCE_FLAG_SIGNALED_BIT - Hw-fence is signaled for the dma_fence.
*
* This flag is set by hw-fence driver when a client wants to add itself as
* a waiter for this hw-fence. The client uses this flag to avoid adding itself
* as a waiter for a fence that is already retired.
*/
#define MSM_HW_FENCE_FLAG_SIGNALED_BIT 30
/**
* MSM_HW_FENCE_ERROR_RESET - Hw-fence flagged as error due to forced reset from producer.
*/