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video: driver: add error state support for core

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Introduced MSM_VIDC_CORE_ERROR state in core. It supports
CPU_WATCHDOG and VIDEO_UNRESPONSIVE core substates.

Change-Id: I6aa700c37782d64d64cd132ea13009dda22cc8d1
Signed-off-by: Govindaraj Rajagopal <quic_grajagop@quicinc.com>
This commit is contained in:
Govindaraj Rajagopal
2022-12-07 19:42:55 +05:30
parent da842a9f2f
commit 3fd67c1274
4 changed files with 47 additions and 12 deletions
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4
driver/vidc/inc/msm_vidc_core.h
View File

@@ -21,6 +21,7 @@ struct msm_vidc_core;
CORE_STATE(CORE_DEINIT) \
CORE_STATE(CORE_INIT_WAIT) \
CORE_STATE(CORE_INIT) \
CORE_STATE(CORE_ERROR) \
}
#define call_venus_op(d, op, ...) \
@@ -133,7 +134,8 @@ struct msm_vidc_core {
static inline bool core_in_valid_state(struct msm_vidc_core *core)
{
return core->state != MSM_VIDC_CORE_DEINIT;
return (core->state == MSM_VIDC_CORE_INIT ||
core->state == MSM_VIDC_CORE_INIT_WAIT);
}
#endif // _MSM_VIDC_CORE_H_

1
driver/vidc/inc/msm_vidc_driver.h
View File

@@ -451,6 +451,7 @@ int msm_vidc_change_core_sub_state(struct msm_vidc_core *core,
int msm_vidc_core_init(struct msm_vidc_core *core);
int msm_vidc_core_init_wait(struct msm_vidc_core *core);
int msm_vidc_core_deinit(struct msm_vidc_core *core, bool force);
int msm_vidc_core_deinit_locked(struct msm_vidc_core *core, bool force);
int msm_vidc_inst_timeout(struct msm_vidc_inst *inst);
int msm_vidc_print_buffer_info(struct msm_vidc_inst *inst);
int msm_vidc_print_inst_info(struct msm_vidc_inst *inst);

43
driver/vidc/src/msm_vidc_driver.c
View File

@@ -1032,11 +1032,20 @@ int signal_session_msg_receipt(struct msm_vidc_inst *inst,
int msm_vidc_change_core_state(struct msm_vidc_core *core,
enum msm_vidc_core_state request_state, const char *func)
{
int rc = 0;
if (!core) {
d_vpr_e("%s: invalid params\n", __func__);
return -EINVAL;
}
/* core must be locked */
rc = __strict_check(core, func);
if (rc) {
d_vpr_e("%s(): core was not locked\n", func);
return rc;
}
d_vpr_h("%s: core state changed to %s from %s\n",
func, core_state_name(request_state),
core_state_name(core->state));
@@ -4781,7 +4790,10 @@ int msm_vidc_core_init_wait(struct msm_vidc_core *core)
if (is_core_state(core, MSM_VIDC_CORE_INIT)) {
rc = 0;
goto unlock;
} else if (is_core_state(core, MSM_VIDC_CORE_DEINIT)) {
} else if (is_core_state(core, MSM_VIDC_CORE_DEINIT) ||
is_core_state(core, MSM_VIDC_CORE_ERROR)) {
d_vpr_e("%s: invalid core state %s\n",
__func__, core_state_name(core->state));
rc = -EINVAL;
goto unlock;
}
@@ -4804,18 +4816,24 @@ int msm_vidc_core_init_wait(struct msm_vidc_core *core)
d_vpr_h("%s: sys init successful\n", __func__);
rc = 0;
goto unlock;
} else {
} else if (is_core_state(core, MSM_VIDC_CORE_INIT_WAIT)) {
d_vpr_h("%s: sys init wait timedout. state %s\n",
__func__, core_state_name(core->state));
msm_vidc_change_core_state(core, MSM_VIDC_CORE_ERROR, __func__);
/* mark video hw unresponsive */
msm_vidc_change_core_sub_state(core,
0, CORE_SUBSTATE_VIDEO_UNRESPONSIVE, __func__);
/* core deinit to handle error */
msm_vidc_core_deinit_locked(core, true);
rc = -EINVAL;
goto unlock;
} else {
d_vpr_e("%s: invalid core state %s\n",
__func__, core_state_name(core->state));
rc = -EINVAL;
goto unlock;
}
unlock:
if (rc)
msm_vidc_core_deinit_locked(core, true);
core_unlock(core, __func__);
return rc;
}
@@ -4830,9 +4848,14 @@ int msm_vidc_core_init(struct msm_vidc_core *core)
}
core_lock(core, __func__);
if (is_core_state(core, MSM_VIDC_CORE_INIT) ||
is_core_state(core, MSM_VIDC_CORE_INIT_WAIT))
if (core_in_valid_state(core)) {
goto unlock;
} else if (is_core_state(core, MSM_VIDC_CORE_ERROR)) {
d_vpr_e("%s: invalid core state %s\n",
__func__, core_state_name(core->state));
rc = -EINVAL;
goto unlock;
}
msm_vidc_change_core_state(core, MSM_VIDC_CORE_INIT_WAIT, __func__);
/* clear PM suspend from core sub_state */
@@ -4841,13 +4864,14 @@ int msm_vidc_core_init(struct msm_vidc_core *core)
rc = venus_hfi_core_init(core);
if (rc) {
msm_vidc_change_core_state(core, MSM_VIDC_CORE_ERROR, __func__);
d_vpr_e("%s: core init failed\n", __func__);
/* do core deinit to handle error */
msm_vidc_core_deinit_locked(core, true);
goto unlock;
}
unlock:
if (rc)
msm_vidc_core_deinit_locked(core, true);
core_unlock(core, __func__);
return rc;
}
@@ -4885,6 +4909,7 @@ int msm_vidc_inst_timeout(struct msm_vidc_inst *inst)
goto unlock;
}
/* mark video hw unresponsive */
msm_vidc_change_core_state(core, MSM_VIDC_CORE_ERROR, __func__);
msm_vidc_change_core_sub_state(core,
0, CORE_SUBSTATE_VIDEO_UNRESPONSIVE, __func__);
@@ -5038,7 +5063,9 @@ int msm_vidc_smmu_fault_handler(struct iommu_domain *domain,
d_vpr_e(FMT_STRING_FAULT_HANDLER, __func__, iova);
/* mark smmu fault as handled */
core_lock(core, __func__);
msm_vidc_change_core_sub_state(core, 0, CORE_SUBSTATE_PAGE_FAULT, __func__);
core_unlock(core, __func__);
/* print noc error log registers */
venus_hfi_noc_error_info(core);

11
driver/vidc/src/venus_hfi.c
View File

@@ -750,10 +750,13 @@ static int __response_handler(struct msm_vidc_core *core)
if (call_venus_op(core, watchdog, core, core->intr_status)) {
struct hfi_packet pkt = {.type = HFI_SYS_ERROR_WD_TIMEOUT};
core_lock(core, __func__);
msm_vidc_change_core_state(core, MSM_VIDC_CORE_ERROR, __func__);
/* mark cpu watchdog error */
msm_vidc_change_core_sub_state(core,
0, CORE_SUBSTATE_CPU_WATCHDOG, __func__);
d_vpr_e("%s: CPU WD error received\n", __func__);
core_unlock(core, __func__);
return handle_system_error(core, &pkt);
}
@@ -822,6 +825,7 @@ void venus_hfi_pm_work_handler(struct work_struct *work)
return;
}
core_lock(core, __func__);
d_vpr_h("%s: try power collapse\n", __func__);
/*
* It is ok to check this variable outside the lock since
@@ -831,14 +835,15 @@ void venus_hfi_pm_work_handler(struct work_struct *work)
d_vpr_e("Failed to PC for %d times\n",
core->skip_pc_count);
core->skip_pc_count = 0;
msm_vidc_change_core_state(core, MSM_VIDC_CORE_ERROR, __func__);
/* mark video hw unresponsive */
msm_vidc_change_core_sub_state(core,
0, CORE_SUBSTATE_VIDEO_UNRESPONSIVE, __func__);
msm_vidc_core_deinit(core, true);
return;
/* do core deinit to handle error */
msm_vidc_core_deinit_locked(core, true);
goto unlock;
}
core_lock(core, __func__);
/* core already deinited - skip power collapse */
if (is_core_state(core, MSM_VIDC_CORE_DEINIT)) {
d_vpr_e("%s: invalid core state %s\n",