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SubjectRe: [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@linaro.org> 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@linaro.org>
>> ---
>> 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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