[Libva] [Libva-intel-driver][PATCH 06/17] Fix curbe length in CMD_MEDIA_CURBE_LOAD on GEN8+

[Xiang, Haihao]

>-----Original Message-----
>From: Zhao, Yakui
>Sent: Thursday, November 17, 2016 8:47 PM
>To: Xiang, Haihao <haihao.xiang at intel.com>
>Cc: libva at lists.freedesktop.org
>Subject: Re: [Libva] [Libva-intel-driver][PATCH 06/17] Fix curbe length in
>CMD_MEDIA_CURBE_LOAD on GEN8+
>
>On 11/17/2016 04:35 PM, Xiang, Haihao wrote:
>> It is multiple of 64 bytes
>
>Can we align the size of curbe_buffer when calling the gen8_gpe_context_init?
>

The size is set by gpe user, so I prefer not to change it in gen8_gpe_context_init().
or we can add a requirement on the size which must be a multiple of 64 bytes.

>>
>> Signed-off-by: Xiang, Haihao<haihao.xiang at intel.com>
>> ---
>>   src/i965_gpe_utils.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/src/i965_gpe_utils.c b/src/i965_gpe_utils.c index
>> 139ab1b..a6d539b 100644
>> --- a/src/i965_gpe_utils.c
>> +++ b/src/i965_gpe_utils.c
>> @@ -1066,7 +1066,7 @@ gen8_gpe_curbe_load(VADriverContextP ctx,
>>
>>       OUT_BATCH(batch, CMD_MEDIA_CURBE_LOAD | (4 - 2));
>>       OUT_BATCH(batch, 0);
>> -    OUT_BATCH(batch, gpe_context->curbe.length);
>> +    OUT_BATCH(batch, ALIGN(gpe_context->curbe.length, 64));
>>       OUT_BATCH(batch, gpe_context->curbe.offset);
>>
>>       ADVANCE_BATCH(batch);