samsung-sm8650/android_kernel_samsung_sm8650-modules
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Merge "video: driver: power collapse for last session close"

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This commit is contained in:
qctecmdr
2022-11-10 16:38:38 -08:00
committed by Gerrit - the friendly Code Review server
parent c8709784bb 9c5b7fe1c5
commit fe64bbf604
2 changed files with 56 additions and 7 deletions
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55
driver/vidc/src/msm_vidc_driver.c
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@@ -543,6 +543,43 @@ static u32 msm_vidc_get_buffer_stats_flag(struct msm_vidc_inst *inst)
return flags;
}
static int msm_vidc_suspend_locked(struct msm_vidc_core *core)
{
int rc = 0;
if (!core) {
d_vpr_e("%s: invalid params\n", __func__);
return -EINVAL;
}
rc = venus_hfi_suspend(core);
if (rc)
return rc;
return rc;
}
static int msm_vidc_try_suspend(struct msm_vidc_inst *inst)
{
struct msm_vidc_core *core;
int rc = 0;
if (!inst || !inst->core) {
d_vpr_e("%s: invalid params\n", __func__);
return -EINVAL;
}
core = inst->core;
core_lock(core, __func__);
if (list_empty(&core->instances) && list_empty(&core->dangling_instances)) {
i_vpr_h(inst, "%s: closed last open session. suspend video core\n", __func__);
msm_vidc_suspend_locked(core);
}
core_unlock(core, __func__);
return rc;
}
int msm_vidc_add_buffer_stats(struct msm_vidc_inst *inst,
struct msm_vidc_buffer *buf)
{
@@ -4294,7 +4331,7 @@ static int msm_vidc_remove_dangling_session(struct msm_vidc_inst *inst)
{
struct msm_vidc_inst *i, *temp;
struct msm_vidc_core *core;
u32 count = 0;
u32 count = 0, dcount = 0;
if (!inst || !inst->core) {
d_vpr_e("%s: invalid params\n", __func__);
@@ -4311,9 +4348,12 @@ static int msm_vidc_remove_dangling_session(struct msm_vidc_inst *inst)
break;
}
}
list_for_each_entry(i, &core->dangling_instances, list)
list_for_each_entry(i, &core->instances, list)
count++;
i_vpr_h(inst, "%s: remaining dangling sessions %d\n", __func__, count);
list_for_each_entry(i, &core->dangling_instances, list)
dcount++;
i_vpr_h(inst, "%s: remaining sessions. active %d, dangling %d\n",
__func__, count, dcount);
core_unlock(core, __func__);
return 0;
@@ -5303,10 +5343,14 @@ int msm_vidc_suspend(struct msm_vidc_core *core)
return -EINVAL;
}
rc = venus_hfi_suspend(core);
core_lock(core, __func__);
d_vpr_h("%s: initiate PM suspend\n", __func__);
rc = msm_vidc_suspend_locked(core);
if (rc)
return rc;
goto exit;
exit:
core_unlock(core, __func__);
return rc;
}
@@ -5623,6 +5667,7 @@ static void msm_vidc_close_helper(struct kref *kref)
destroy_workqueue(inst->workq);
msm_vidc_destroy_buffers(inst);
msm_vidc_remove_dangling_session(inst);
msm_vidc_try_suspend(inst);
mutex_destroy(&inst->client_lock);
mutex_destroy(&inst->request_lock);
mutex_destroy(&inst->lock);