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    Subject[PATCH v5 21/27] venus: helpers: add a helper to return opb buffer sizes
    Date
    Add a helper function to return current output picture buffer size.
    OPB sizes can vary depending on the selected decoder output(s).

    Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
    ---
    drivers/media/platform/qcom/venus/core.h | 6 ++++++
    drivers/media/platform/qcom/venus/helpers.c | 15 +++++++++++++++
    drivers/media/platform/qcom/venus/helpers.h | 1 +
    3 files changed, 22 insertions(+)

    diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
    index 1d1a59a5d343..f8e4d92ff0e1 100644
    --- a/drivers/media/platform/qcom/venus/core.h
    +++ b/drivers/media/platform/qcom/venus/core.h
    @@ -239,6 +239,9 @@ struct venus_buffer {
    * @num_output_bufs: holds number of output buffers
    * @input_buf_size holds input buffer size
    * @output_buf_size: holds output buffer size
    + * @output2_buf_size: holds secondary decoder output buffer size
    + * @opb_buftype: output picture buffer type
    + * @opb_fmt: output picture buffer raw format
    * @reconfig: a flag raised by decoder when the stream resolution changed
    * @reconfig_width: holds the new width
    * @reconfig_height: holds the new height
    @@ -288,6 +291,9 @@ struct venus_inst {
    unsigned int num_output_bufs;
    unsigned int input_buf_size;
    unsigned int output_buf_size;
    + unsigned int output2_buf_size;
    + u32 opb_buftype;
    + u32 opb_fmt;
    bool reconfig;
    u32 reconfig_width;
    u32 reconfig_height;
    diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
    index 13f0bc4e5ffa..8d2f4db52e48 100644
    --- a/drivers/media/platform/qcom/venus/helpers.c
    +++ b/drivers/media/platform/qcom/venus/helpers.c
    @@ -613,6 +613,21 @@ int venus_helper_set_bufsize(struct venus_inst *inst, u32 bufsize, u32 buftype)
    }
    EXPORT_SYMBOL_GPL(venus_helper_set_bufsize);

    +unsigned int venus_helper_get_opb_size(struct venus_inst *inst)
    +{
    + /* the encoder has only one output */
    + if (inst->session_type == VIDC_SESSION_TYPE_ENC)
    + return inst->output_buf_size;
    +
    + if (inst->opb_buftype == HFI_BUFFER_OUTPUT)
    + return inst->output_buf_size;
    + else if (inst->opb_buftype == HFI_BUFFER_OUTPUT2)
    + return inst->output2_buf_size;
    +
    + return 0;
    +}
    +EXPORT_SYMBOL_GPL(venus_helper_get_opb_size);
    +
    static void delayed_process_buf_func(struct work_struct *work)
    {
    struct venus_buffer *buf, *n;
    diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h
    index 8ff4bd3ef958..92be45894a69 100644
    --- a/drivers/media/platform/qcom/venus/helpers.h
    +++ b/drivers/media/platform/qcom/venus/helpers.h
    @@ -48,6 +48,7 @@ int venus_helper_set_raw_format(struct venus_inst *inst, u32 hfi_format,
    int venus_helper_set_color_format(struct venus_inst *inst, u32 fmt);
    int venus_helper_set_dyn_bufmode(struct venus_inst *inst);
    int venus_helper_set_bufsize(struct venus_inst *inst, u32 bufsize, u32 buftype);
    +unsigned int venus_helper_get_opb_size(struct venus_inst *inst);
    void venus_helper_acquire_buf_ref(struct vb2_v4l2_buffer *vbuf);
    void venus_helper_release_buf_ref(struct venus_inst *inst, unsigned int idx);
    void venus_helper_init_instance(struct venus_inst *inst);
    --
    2.14.1
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