[Libva] [LIBVA_INTEL_DRIVER][PATCH V2 1/4] Query the kernel API to check the EU counts of GPU device

[Zhao Yakui]

On 11/21/2016 10:20 AM, Xiang, Haihao wrote:
>
> Could you rebase your patch series against the latest branch? I failed
> to apply the patch series.

OK.
I will rebase them.

Thanks
    Yakui
>
> Thanks
> Haihao
>
>> This info can be used to configure the max EU threads of GPU device.
>>> eu_total * 6
>>
>> V1->V2: Remove the extra bit_field of has_eu_flag. Instead the
>> eu_total>  0
>> can be used.
>>
>> Signed-off-by: Zhao Yakui<yakui.zhao at intel.com>
>> Reviewed-by: Charles Daniel<daniel.charles at intel.com>
>> ---
>>   src/intel_driver.c | 11 +++++++++++
>>   src/intel_driver.h |  2 ++
>>   2 files changed, 13 insertions(+)
>>
>> diff --git a/src/intel_driver.c b/src/intel_driver.c
>> index bb19401..67d7de1 100644
>> --- a/src/intel_driver.c
>> +++ b/src/intel_driver.c
>> @@ -50,6 +50,12 @@ uint32_t g_intel_debug_option_flags = 0;
>>   #define LOCAL_I915_PARAM_HAS_HUC 42
>>   #endif
>>
>> +#ifdef I915_PARAM_EU_TOTAL
>> +#define LOCAL_I915_PARAM_EU_TOTAL I915_PARAM_EU_TOTAL
>> +#else
>> +#define LOCAL_I915_PARAM_EU_TOTAL 34
>> +#endif
>> +
>>   static Bool
>>   intel_driver_get_param(struct intel_driver_data *intel, int param,
>> int *value)
>>   {
>> @@ -142,6 +148,11 @@ intel_driver_init(VADriverContextP ctx)
>>       if (intel_driver_get_param(intel, LOCAL_I915_PARAM_HAS_HUC,
>> &ret_value))
>>           intel->has_huc = !!ret_value;
>>
>> +    intel->eu_total = 0;
>> +    if (intel_driver_get_param(intel, LOCAL_I915_PARAM_EU_TOTAL,
>> &ret_value)) {
>> +        intel->eu_total = ret_value;
>> +    }
>> +
>>       intel_driver_get_revid(intel,&intel->revision);
>>       return true;
>>   }
>> diff --git a/src/intel_driver.h b/src/intel_driver.h
>> index dcdc03b..1888a36 100644
>> --- a/src/intel_driver.h
>> +++ b/src/intel_driver.h
>> @@ -183,6 +183,8 @@ struct intel_driver_data
>>       unsigned int has_bsd2   : 1; /* Flag: has the second BSD video
>> ring unit */
>>       unsigned int has_huc    : 1; /* Flag: has a fully loaded HuC
>> firmware? */
>>
>> +    int eu_total;
>> +
>>       const struct intel_device_info *device_info;
>>   };
>>