[PATCH 3/3] drm/ttm: make up to 90% of system memory available

[Christian König]

Am 17.11.20 um 17:38 schrieb Michel Dänzer:
> On 2020-11-17 3:06 p.m., Christian König wrote:
>> Increase the ammount of system memory drivers can use to about 90% of
>> the total available.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
>> ---
>>   drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
>> index a958135cb3fe..0a93df93dba4 100644
>> --- a/drivers/gpu/drm/ttm/ttm_bo.c
>> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
>> @@ -1267,7 +1267,7 @@ static int ttm_bo_global_init(void)
>>        * the available system memory.
>>        */
>>       num_pages = (u64)si.totalram * si.mem_unit;
>> -    num_pages = (num_pages * 50 / 100) >> PAGE_SHIFT;
>> +    num_pages = (num_pages * 90 / 100) >> PAGE_SHIFT;
>>         /* But for DMA32 we limit ourself to only use 2GiB maximum. */
>>       num_dma32_pages = (u64)(si.totalram - si.totalhigh) * si.mem_unit;
>>
>
> This should update the comment added in patch 1.

Yeah indeed, I've tested this with 70, 75, 80, 85 and finally 90 and it 
looks like I've forgot to update the comment after a while.

Thanks,
Christian.