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video: driver: Error handling for HW overload

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- send '-ENOMEM' after max mbps is reached

Change-Id: I6d597021046ea375f2131c2e40ac07d1aebdd9b8
Signed-off-by: Deepa Guthyappa Madivalara <quic_dmadival@quicinc.com>
This commit is contained in:
Deepa Guthyappa Madivalara
2022-04-08 10:15:31 -07:00
parent 5969b7c252
commit cbeeaa8c64
1 changed files with 2 additions and 9 deletions
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11
driver/vidc/src/msm_vidc_driver.c
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@@ -5877,10 +5877,9 @@ static int msm_vidc_print_insts_info(struct msm_vidc_core *core)
int msm_vidc_check_core_mbps(struct msm_vidc_inst *inst)
{
u32 mbps = 0, num_inactive_sessions = 0;
u32 mbps = 0;
struct msm_vidc_core *core;
struct msm_vidc_inst *instance;
u64 curr_time_ns;
int rc = 0;
if (!inst || !inst->core || !inst->capabilities) {
@@ -5894,18 +5893,12 @@ int msm_vidc_check_core_mbps(struct msm_vidc_inst *inst)
return 0;
}
curr_time_ns = ktime_get_ns();
core_lock(core, __func__);
list_for_each_entry(instance, &core->instances, list) {
/* ignore invalid/error session */
if (is_session_error(instance))
continue;
if (!is_active_session(instance->last_qbuf_time_ns, curr_time_ns)) {
num_inactive_sessions++;
}
/* ignore thumbnail, image, and non realtime sessions */
if (is_thumbnail_session(instance) ||
is_image_session(instance) ||
@@ -5917,7 +5910,7 @@ int msm_vidc_check_core_mbps(struct msm_vidc_inst *inst)
core_unlock(core, __func__);
if (mbps > core->capabilities[MAX_MBPS].value) {
rc = num_inactive_sessions ? -ENOMEM : -EAGAIN;
rc = -ENOMEM;
i_vpr_e(inst, "%s: Hardware overloaded. needed %u, max %u", __func__,
mbps, core->capabilities[MAX_MBPS].value);
return rc;