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video: tegra: tsec: add api to clear init callback

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DisplayRm when it unloads will call an API on the tsec
driver to clear the previously registered init message
callback

Bug 3817626

Change-Id: I7d5bd16b3d1040f11d1a85bc2439176002c5a57b
Signed-off-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2818914
Reviewed-by: Sahil Patki <spatki@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Nikesh Oswal
2022-11-29 04:18:45 +00:00
committed by Laxman Dewangan
parent 5889401827
commit 096b94b3db
2 changed files with 19 additions and 0 deletions
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9
drivers/video/tegra/tsec/tsec_comms/tsec_comms.c
View File

@@ -624,3 +624,12 @@ FAIL:
return err; return err;
} }
EXPORT_SYMBOL_COMMS(tsec_comms_set_init_cb); EXPORT_SYMBOL_COMMS(tsec_comms_set_init_cb);
void tsec_comms_clear_init_cb(void)
{
tsec_plat_acquire_comms_mutex();
s_callbacks[RM_GSP_UNIT_INIT].cb_func = NULL;
s_callbacks[RM_GSP_UNIT_INIT].cb_ctx = NULL;
tsec_plat_release_comms_mutex();
}
EXPORT_SYMBOL_COMMS(tsec_comms_clear_init_cb);

10
drivers/video/tegra/tsec/tsec_comms/tsec_comms.h
View File

@@ -61,6 +61,16 @@ void tsec_comms_drain_msg(bool invoke_cb);
*/ */
int tsec_comms_set_init_cb(callback_func_t cb_func, void *cb_ctx); int tsec_comms_set_init_cb(callback_func_t cb_func, void *cb_ctx);
/* @brief: Clear callback for init message
*
* usage: When DisplayRM is unloaded it would call this API to
* clear the init callback it previousy set.
*
* params[in]: NONE
* params[out]: NONE
*/
void tsec_comms_clear_init_cb(void);
/* @brief: Send the command upon receiving it by putting it into the /* @brief: Send the command upon receiving it by putting it into the
* tsec queue. Also sets appropriate callback to be called when * tsec queue. Also sets appropriate callback to be called when
* response arrives. * response arrives.