Re: [PATCH 03/10] venus: helpers: export few helper functions

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Hi Alex,

Thanks for the review!

On 1/24/19 10:43 AM, Alexandre Courbot wrote:
> On Fri, Jan 18, 2019 at 1:21 AM Stanimir Varbanov
> <stanimir.varbanov@xxxxxxxxxx> wrote:
>>
>> Here we export few helper function to use them from decoder to
>> implement more granular control needed for stateful Codec API
>> compliance.
>>
>> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
>> ---
>>  drivers/media/platform/qcom/venus/helpers.c | 29 ++++++++++++---------
>>  drivers/media/platform/qcom/venus/helpers.h |  7 +++++
>>  2 files changed, 24 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c
>> index 86105de81af2..f33bbfea3576 100644
>> --- a/drivers/media/platform/qcom/venus/helpers.c
>> +++ b/drivers/media/platform/qcom/venus/helpers.c
>> @@ -88,7 +88,7 @@ bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt)
>>  }
>>  EXPORT_SYMBOL_GPL(venus_helper_check_codec);
>>
>> -static int venus_helper_queue_dpb_bufs(struct venus_inst *inst)
>> +int venus_helper_queue_dpb_bufs(struct venus_inst *inst)
>>  {
>>         struct intbuf *buf;
>>         int ret = 0;
>> @@ -109,6 +109,7 @@ static int venus_helper_queue_dpb_bufs(struct venus_inst *inst)
>>  fail:
>>         return ret;
>>  }
>> +EXPORT_SYMBOL_GPL(venus_helper_queue_dpb_bufs);
>>
>>  int venus_helper_free_dpb_bufs(struct venus_inst *inst)
>>  {
>> @@ -287,7 +288,7 @@ static const unsigned int intbuf_types_4xx[] = {
>>         HFI_BUFFER_INTERNAL_PERSIST_1,
>>  };
>>
>> -static int intbufs_alloc(struct venus_inst *inst)
>> +int venus_helper_intbufs_alloc(struct venus_inst *inst)
>>  {
>>         const unsigned int *intbuf;
>>         size_t arr_sz, i;
>> @@ -313,11 +314,13 @@ static int intbufs_alloc(struct venus_inst *inst)
>>         intbufs_unset_buffers(inst);
>>         return ret;
>>  }
>> +EXPORT_SYMBOL_GPL(venus_helper_intbufs_alloc);
>>
>> -static int intbufs_free(struct venus_inst *inst)
>> +int venus_helper_intbufs_free(struct venus_inst *inst)
>>  {
>>         return intbufs_unset_buffers(inst);
>>  }
>> +EXPORT_SYMBOL_GPL(venus_helper_intbufs_free);
>>
>>  static u32 load_per_instance(struct venus_inst *inst)
>>  {
>> @@ -348,7 +351,7 @@ static u32 load_per_type(struct venus_core *core, u32 session_type)
>>         return mbs_per_sec;
>>  }
>>
>> -static int load_scale_clocks(struct venus_core *core)
>> +int venus_helper_load_scale_clocks(struct venus_core *core)
>>  {
>>         const struct freq_tbl *table = core->res->freq_tbl;
>>         unsigned int num_rows = core->res->freq_tbl_size;
>> @@ -397,6 +400,7 @@ static int load_scale_clocks(struct venus_core *core)
>>         dev_err(dev, "failed to set clock rate %lu (%d)\n", freq, ret);
>>         return ret;
>>  }
>> +EXPORT_SYMBOL_GPL(venus_helper_load_scale_clocks);
>>
>>  static void fill_buffer_desc(const struct venus_buffer *buf,
>>                              struct hfi_buffer_desc *bd, bool response)
>> @@ -481,7 +485,7 @@ static bool is_dynamic_bufmode(struct venus_inst *inst)
>>         return caps->cap_bufs_mode_dynamic;
>>  }
>>
>> -static int session_unregister_bufs(struct venus_inst *inst)
>> +int venus_helper_unregister_bufs(struct venus_inst *inst)
>>  {
>>         struct venus_buffer *buf, *n;
>>         struct hfi_buffer_desc bd;
>> @@ -498,6 +502,7 @@ static int session_unregister_bufs(struct venus_inst *inst)
>>
>>         return ret;
>>  }
>> +EXPORT_SYMBOL_GPL(venus_helper_unregister_bufs);
>>
>>  static int session_register_bufs(struct venus_inst *inst)
>>  {
>> @@ -1018,8 +1023,8 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
>>         if (inst->streamon_out & inst->streamon_cap) {
>>                 ret = hfi_session_stop(inst);
>>                 ret |= hfi_session_unload_res(inst);
>> -               ret |= session_unregister_bufs(inst);
>> -               ret |= intbufs_free(inst);
>> +               ret |= venus_helper_unregister_bufs(inst);
>> +               ret |= venus_helper_intbufs_free(inst);
>>                 ret |= hfi_session_deinit(inst);
>>
>>                 if (inst->session_error || core->sys_error)
>> @@ -1030,7 +1035,7 @@ void venus_helper_vb2_stop_streaming(struct vb2_queue *q)
>>
>>                 venus_helper_free_dpb_bufs(inst);
>>
>> -               load_scale_clocks(core);
>> +               venus_helper_load_scale_clocks(core);
>>                 INIT_LIST_HEAD(&inst->registeredbufs);
>>         }
>>
>> @@ -1050,7 +1055,7 @@ int venus_helper_vb2_start_streaming(struct venus_inst *inst)
>>         struct venus_core *core = inst->core;
>>         int ret;
>>
>> -       ret = intbufs_alloc(inst);
>> +       ret = venus_helper_intbufs_alloc(inst);
>>         if (ret)
>>                 return ret;
>>
>> @@ -1058,7 +1063,7 @@ int venus_helper_vb2_start_streaming(struct venus_inst *inst)
>>         if (ret)
>>                 goto err_bufs_free;
>>
>> -       load_scale_clocks(core);
>> +       venus_helper_load_scale_clocks(core);
>>
>>         ret = hfi_session_load_res(inst);
>>         if (ret)
>> @@ -1079,9 +1084,9 @@ int venus_helper_vb2_start_streaming(struct venus_inst *inst)
>>  err_unload_res:
>>         hfi_session_unload_res(inst);
>>  err_unreg_bufs:
>> -       session_unregister_bufs(inst);
>> +       venus_helper_unregister_bufs(inst);
>>  err_bufs_free:
>> -       intbufs_free(inst);
>> +       venus_helper_intbufs_free(inst);
>>         return ret;
>>  }
>>  EXPORT_SYMBOL_GPL(venus_helper_vb2_start_streaming);
>> diff --git a/drivers/media/platform/qcom/venus/helpers.h b/drivers/media/platform/qcom/venus/helpers.h
>> index 2475f284f396..24faae5abd93 100644
>> --- a/drivers/media/platform/qcom/venus/helpers.h
>> +++ b/drivers/media/platform/qcom/venus/helpers.h
>> @@ -18,6 +18,7 @@
>>  #include <media/videobuf2-v4l2.h>
>>
>>  struct venus_inst;
>> +struct venus_core;
>>
>>  bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt);
>>  struct vb2_v4l2_buffer *venus_helper_find_buf(struct venus_inst *inst,
>> @@ -62,4 +63,10 @@ int venus_helper_alloc_dpb_bufs(struct venus_inst *inst);
>>  int venus_helper_free_dpb_bufs(struct venus_inst *inst);
>>  int venus_helper_power_enable(struct venus_core *core, u32 session_type,
>>                               bool enable);
>> +int venus_helper_intbufs_alloc(struct venus_inst *inst);
>> +int venus_helper_intbufs_free(struct venus_inst *inst);
>> +int venus_helper_intbufs_realloc(struct venus_inst *inst);
> 
> I think this function is only declared in patch 7?
> 

yes that is typo which I saw after sending the patches. Fixed already.

-- 
regards,
Stan



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