[PATCH] drm/radeon: Demote 'BO allocation size too large' message to debug only

Christian König deathsimple at vodafone.de
Wed Jul 16 09:18:47 PDT 2014


Am 16.07.2014 18:12, schrieb Alex Deucher:
> On Wed, Jul 16, 2014 at 5:41 AM, Christian König
> <deathsimple at vodafone.de> wrote:
>> Am 16.07.2014 11:40, schrieb Michel Dänzer:
>>
>>> From: Michel Dänzer <michel.daenzer at amd.com>
>>>
>>> These clutter up dmesg during piglit runs. Userspace generally deals
>>> gracefully with this failure.
>>>
>>> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
>>
>> Reviewed-by: Christian König <christian.koenig at amd.com>
>>
>> Already wanted to suggest the same thing,
> Applied to my 3.17 tree.  Is there any reason we can't remove or relax
> this limit check in general?  At the very least I think we can remove
> the visible vram limit.

Already thought about that as well. Since we fixed the fallback to GTT 
if a buffer won't fit into VRAM on CPU access I offhand don't see any 
obstacle to relaxing this test.

We should just test if that fallback can handle to larges buffers 
gracefully.

Christian.

>
> Alex
>
>> Christian.
>>
>>
>>> ---
>>>    drivers/gpu/drm/radeon/radeon_gem.c | 4 ++--
>>>    1 file changed, 2 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/radeon/radeon_gem.c
>>> b/drivers/gpu/drm/radeon/radeon_gem.c
>>> index 07292aa..8584e43 100644
>>> --- a/drivers/gpu/drm/radeon/radeon_gem.c
>>> +++ b/drivers/gpu/drm/radeon/radeon_gem.c
>>> @@ -58,8 +58,8 @@ int radeon_gem_object_create(struct radeon_device *rdev,
>>> int size,
>>>          /* maximun bo size is the minimun btw visible vram and gtt size */
>>>          max_size = min(rdev->mc.visible_vram_size, rdev->mc.gtt_size);
>>>          if (size > max_size) {
>>> -               printk(KERN_WARNING "%s:%d alloc size %dMb bigger than
>>> %ldMb limit\n",
>>> -                      __func__, __LINE__, size >> 20, max_size >> 20);
>>> +               DRM_DEBUG("Allocation size %dMb bigger than %ldMb
>>> limit\n",
>>> +                         size >> 20, max_size >> 20);
>>>                  return -ENOMEM;
>>>          }
>>>
>>
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