[Beignet] Haswell support and i915 driver support. Some strange bugs.

[Yichao Yu]

On Wed, Jun 25, 2014 at 1:56 PM, Zhigang Gong
<zhigang.gong at linux.intel.com> wrote:
> On Wed, Jun 25, 2014 at 09:53:18AM +0400, Nikita Orlov wrote:
>> Hi!
>>
>> Some time ago I have asked about beignet and haswell.
>> I have answer to use master of beignet and patch i915 driver in kernel (disable-batchbuffer-security.patch).
>>
>> How I can know, that patch for i915 is in upstream of kernel?
>> Are any new improvements in master of HSW support in brignet?
>>
>> I am asking, because even with master (3 weeks ago version) and patched kernel some times I have resetting system or X11 restart (GUI resetting and I see login screen).
> Rong submmited some important fix for HSW platform within 3 weeks. You may try to update to latest git master and have a try.

Yeah, beignet passes most of the tests and has never hang my Haswell
GPU again since ~ 1.5 weeks ago...

=)

>
>>
>>
>> P.S.
>> disable-batchbuffer-security.patch:
>>
>> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
>> index a3ba9a8..86c173b 100644
>> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
>> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
>> @@ -995,6 +995,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
>>               return ret;
>>
>>       flags = 0;
>> +     flags |= I915_DISPATCH_SECURE;
>>       if (args->flags & I915_EXEC_SECURE) {
>>               if (!file->is_master || !capable(CAP_SYS_ADMIN))
>>                   return -EPERM;
>>
>> --
>> Nikita Orlov
>> Skype: nik_stet
>> QQ: 2717846083
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