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SubjectRe: [PATCH 2/2] drm/ttm: Use pr_debug for all output from ttm_bo_evict
On 12/6/18 5:33 PM, Koenig, Christian wrote:
> Am 06.12.18 um 10:09 schrieb Michel Dänzer:
>> On 2018-12-06 3:43 a.m., Zhang, Jerry(Junwei) wrote:
>>> On 12/6/18 12:56 AM, Michel Dänzer wrote:
>>>> From: Michel Dänzer <>
>>>> All the output is related, so it should all be printed the same way.
>>>> Some of it was using pr_debug, but some of it appeared in dmesg by
>>>> default. The caller should handle failure, so there's no need to spam
>>>> dmesg with potentially quite a lot of output by default.
>>>> Signed-off-by: Michel Dänzer <>
>>> Sounds reasonable, but personally prefer to show error when some
>>> vital incident happens, e.g. no memory on eviction.
>> The amdgpu driver still prints these in that case:
>> [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* amdgpu_cs_list_validate(validated) failed.
>> [drm:amdgpu_cs_ioctl [amdgpu]] *ERROR* Not enough memory for command submission!

That's from cs submit, perhaps it may come from other places by
Is that right? Christian.

>> That's plenty as far as I'm concerned. :)
> Yeah, but in this case I would rather make the amdgpu messages debug
> level and leave the TTM meassages on error level.
> Christian.

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