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SubjectRe: [PATCH v2 04/29] venus: hfi_cmds: add set_properties for 4xx version
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Hi Tomasz,

On 05/18/2018 05:16 PM, Tomasz Figa wrote:
> On Tue, May 15, 2018 at 5:13 PM Stanimir Varbanov <
> stanimir.varbanov@linaro.org> wrote:
>
>> Adds set_properties method to handle newer 4xx properties and
>> fall-back to 3xx for the rest.
>
>> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
>> ---
>> drivers/media/platform/qcom/venus/hfi_cmds.c | 64
> +++++++++++++++++++++++++++-
>> 1 file changed, 63 insertions(+), 1 deletion(-)
>
>> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c
> b/drivers/media/platform/qcom/venus/hfi_cmds.c
>> index 1cfeb7743041..6bd287154796 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_cmds.c
>> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
>
> [snip]
>
>> + case HFI_PROPERTY_CONFIG_VENC_MAX_BITRATE:
>> + /* not implemented on Venus 4xx */
>
> Shouldn't return -EINVAL here, similar to what
> pkt_session_set_property_1x() does for unknown property?

Probably the right error code should be ENOTSUPP, but I kind of
following the rule to silently not return the error to simplify the
callers of set_property (otherwise I have to have a version conditional
code in the callers).

>
>> + break;
>> + default:
>> + ret = pkt_session_set_property_3xx(pkt, cookie, ptype,
> pdata);
>> + break;
>
> nit: How about simply return pkt_session_set_property_3xx(pkt, cookie,
> ptype, pdata); and removing the |ret| variable completely, since the return
> below the switch can just return 0 all the time?

OK, I will do that way.

>
>> + }
>> +
>> + return ret;
>> +}
>> +
>> int pkt_session_get_property(struct hfi_session_get_property_pkt *pkt,
>> void *cookie, u32 ptype)
>> {
>> @@ -1181,7 +1240,10 @@ int pkt_session_set_property(struct
> hfi_session_set_property_pkt *pkt,
>> if (hfi_ver == HFI_VERSION_1XX)
>> return pkt_session_set_property_1x(pkt, cookie, ptype,
> pdata);
>
>> - return pkt_session_set_property_3xx(pkt, cookie, ptype, pdata);
>> + if (hfi_ver == HFI_VERSION_3XX)
>> + return pkt_session_set_property_3xx(pkt, cookie, ptype,
> pdata);
>> +
>> + return pkt_session_set_property_4xx(pkt, cookie, ptype, pdata);
>
> nit: Since we're adding third variant, I'd consider using function pointers
> here, but no strong opinion.

Let's keep that for future improvements.

--
regards,
Stan

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