Re: [PATCH 10/33] iris: vidc: add helper functions

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On 14.08.2023 21:15, Dikshita Agarwal wrote:
> 
> 
> On 7/28/2023 11:11 PM, Konrad Dybcio wrote:
>> On 28.07.2023 15:23, Vikash Garodia wrote:
>>> This implements common helper functions for v4l2 to vidc and
>>> vice versa conversion for different enums.
>>> Add helpers for state checks, buffer management, locks etc.
>>>
>>> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
>>> Signed-off-by: Vikash Garodia <quic_vgarodia@xxxxxxxxxxx>
>>> ---
>> [...]
>>
>>> +
>>> +#define is_odd(val) ((val) % 2 == 1)
>>> +#define in_range(val, min, max) (((min) <= (val)) && ((val) <= (max)))
>>> +#define COUNT_BITS(a, out) {       \
>> hweight.* functions?
>>
>> [...]
>>
> sure, will replace with hweight.
>>> +
>>> +const char *cap_name(enum msm_vidc_inst_capability_type cap_id)
>>> +{
>>> +	const char *name = "UNKNOWN CAP";
>> Perhaps it'd be worth to include the unknown cap id here
>>
> could you please elaborate more on this.
>>> +
>>> +	if (cap_id >= ARRAY_SIZE(cap_name_arr))
>>> +		goto exit;
>>> +
>>> +	name = cap_name_arr[cap_id];
>>> +
>>> +exit:
>>> +	return name;
>>> +}
>> [...]
>>
>>> +
>>> +const char *buf_name(enum msm_vidc_buffer_type type)
>>> +{
>>> +	const char *name = "UNKNOWN BUF";
>> Similarly here
>>
> could you please elaborate more on this.
Something like "UNKNOWN BUF (0x15)" instead of just "UNKNOWN BUF"
would help us better understand whether the driver or the hardware
is missing something.


Konrad



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