Re: [PATCH 00/14] drm/exynos: rewrite fimg2d error handling

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Hey Emil,


Emil Velikov wrote:
> Hi Tobias,
> 
> On 24 August 2015 at 15:13, Tobias Jakobi <tjakobi@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> Hello,
>>
>> during the discussion about the last patchset touching the
>> fimg2d code, it became apparent that the error handling for
>> the command submission is currently unsatisfactory.
>>
>> This series rewrites the handling. All functions that submit
>> command buffers now first check if enough space is available
>> and only then proceed to build the command buffers.
>>
>> In particular the command buffer is no longer left in a
>> half-finished state, since parameters passed to the functions
>> are now validated before command submission. For this some
>> validation functions are introduced.
>>
>> This should also increase performance if the bottleneck is
>> the submission part, since adding commands to the buffer
>> is now more lightweight.
>>
>> Last but not least some prefix was added to messages printed
>> by fprintf and printf, and the G2D context struct was moved
>> out of the public header.
>>
>>
> Thanks for going with my earlier suggestion and untangling all this.
> 
> I've went through the lot and it looks great afaict. Fwiw for the series
> Reviewed-by: Emil Velikov <emil.l.velikov@xxxxxxxxx>
thanks for the review and the help on IRC!


> As pretty much none of this is hardware specific and/or requires
> additional knowledge of the kernel module I'm inclined to pull this in
> even if we don't get too many reviewers. We better keep it around for
> a couple of weeks in case others are swamped with unrelated work atm,
> yet willing to take a look.
Sure, I'm going to wait and do some pings from time to time :)


With best wishes,
Tobias

> 
> Cheers,
> Emil
> 

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