diff options
| author | Dikshita Agarwal <quic_dikshita@quicinc.com> | 2025-09-03 15:35:40 +0530 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2025-09-10 09:02:38 +0200 |
| commit | 4ff586ff28e31be65fd22743e1d45826df54ddf7 (patch) | |
| tree | 42b0f3e6998c3f4dfa72e6c811fb1626fd0c6db5 /drivers/media/platform/qcom/iris/iris_utils.c | |
| parent | bed072b48e0ba21fe9e69311dbc1bebcf73ef4aa (diff) | |
media: iris: Add support for G/S_PARM for encoder video device
Add supports for the G/S_PARM V4L2 ioctls for encoder video device with
necessary hooks. This allows userspace to query the current streaming
parameters such as frame intervals and set desired streaming parameters
primarily the frame rate.
Tested-by: Vikash Garodia <quic_vgarodia@quicinc.com> # X1E80100
Reviewed-by: Vikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-HDK
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-HDK
Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> # x1e80100-crd
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_utils.c')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_utils.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_utils.c b/drivers/media/platform/qcom/iris/iris_utils.c index 83c70d6a2d90..85c70a62b1fd 100644 --- a/drivers/media/platform/qcom/iris/iris_utils.c +++ b/drivers/media/platform/qcom/iris/iris_utils.c @@ -88,3 +88,39 @@ struct iris_inst *iris_get_instance(struct iris_core *core, u32 session_id) mutex_unlock(&core->lock); return NULL; } + +int iris_check_core_mbpf(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance; + u32 total_mbpf = 0; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) + total_mbpf += iris_get_mbpf(instance); + mutex_unlock(&core->lock); + + if (total_mbpf > core->iris_platform_data->max_core_mbpf) + return -ENOMEM; + + return 0; +} + +int iris_check_core_mbps(struct iris_inst *inst) +{ + struct iris_core *core = inst->core; + struct iris_inst *instance; + u32 total_mbps = 0, fps = 0; + + mutex_lock(&core->lock); + list_for_each_entry(instance, &core->instances, list) { + fps = max(instance->frame_rate, instance->operating_rate); + total_mbps += iris_get_mbpf(instance) * fps; + } + mutex_unlock(&core->lock); + + if (total_mbps > core->iris_platform_data->max_core_mbps) + return -ENOMEM; + + return 0; +} |