[PATCH] drm/amdgpu: correct GART location info

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On 06/19/2018 03:04 PM, Christian König wrote:
> We need a commit message, something like "Avoid confusing the GART with the GTT
> domain.".

Yeah, will add such kind of info.

>
> Am 19.06.2018 um 06:41 schrieb Junwei Zhang:
>> Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 14 +++++++-------
>>   1 file changed, 7 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index f77b07b..f9fe8d3 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -676,17 +676,17 @@ void amdgpu_device_vram_location(struct amdgpu_device
>> *adev,
>>   }
>>   /**
>> - * amdgpu_device_gart_location - try to find GTT location
>> + * amdgpu_device_gart_location - try to find GART location
>>    *
>>    * @adev: amdgpu device structure holding all necessary informations
>>    * @mc: memory controller structure holding memory informations
>>    *
>> - * Function will place try to place GTT before or after VRAM.
>> + * Function will place try to place GART before or after VRAM.
>>    *
>> - * If GTT size is bigger than space left then we ajust GTT size.
>> + * If GART size is bigger than space left then we ajust GART size.
>>    * Thus function will never fails.
>>    *
>> - * FIXME: when reducing GTT size align new size on power of 2.
>> + * FIXME: when reducing GART size align new size on power of 2.
>
> Please just drop this line. IIRC we actually don't align the gartsize parameter
> to power of two any more either.

Got it.
Thanks.

Jerry
>
> With that fixed the patch is Reviewed-by: Christian König
> <christian.koenig at amd.com>.
>
> Thanks,
> Christian.
>
>>    */
>>   void amdgpu_device_gart_location(struct amdgpu_device *adev,
>>                    struct amdgpu_gmc *mc)
>> @@ -699,13 +699,13 @@ void amdgpu_device_gart_location(struct amdgpu_device
>> *adev,
>>       size_bf = mc->vram_start;
>>       if (size_bf > size_af) {
>>           if (mc->gart_size > size_bf) {
>> -            dev_warn(adev->dev, "limiting GTT\n");
>> +            dev_warn(adev->dev, "limiting GART\n");
>>               mc->gart_size = size_bf;
>>           }
>>           mc->gart_start = 0;
>>       } else {
>>           if (mc->gart_size > size_af) {
>> -            dev_warn(adev->dev, "limiting GTT\n");
>> +            dev_warn(adev->dev, "limiting GART\n");
>>               mc->gart_size = size_af;
>>           }
>>           /* VCE doesn't like it when BOs cross a 4GB segment, so align
>> @@ -714,7 +714,7 @@ void amdgpu_device_gart_location(struct amdgpu_device *adev,
>>           mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL);
>>       }
>>       mc->gart_end = mc->gart_start + mc->gart_size - 1;
>> -    dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n",
>> +    dev_info(adev->dev, "GART: %lluM 0x%016llX - 0x%016llX\n",
>>               mc->gart_size >> 20, mc->gart_start, mc->gart_end);
>>   }
>


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