[PATCH] drm/ttm: Don't skip fpfn check if lpfn is 0 in ttm_bo_mem_compat

[Alex Deucher]

On Thu, Oct 9, 2014 at 5:56 AM, Christian König <deathsimple at vodafone.de> wrote:
> Am 09.10.2014 um 08:03 schrieb Michel Dänzer:
>>
>> From: Michel Dänzer <michel.daenzer at amd.com>
>>
>> Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
>
>
> Reviewed-by: Christian König <christian.koenig at amd.com>
>
>

Thomas, do you want to pull this through the ttm tree or can I take it
through radeon?

Alex

>> ---
>>   drivers/gpu/drm/ttm/ttm_bo.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
>> index 407fa2d..d395b0b 100644
>> --- a/drivers/gpu/drm/ttm/ttm_bo.c
>> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
>> @@ -1008,9 +1008,9 @@ static bool ttm_bo_mem_compat(struct ttm_placement
>> *placement,
>>         for (i = 0; i < placement->num_placement; i++) {
>>                 const struct ttm_place *heap = &placement->placement[i];
>> -               if (mem->mm_node && heap->lpfn != 0 &&
>> +               if (mem->mm_node &&
>>                     (mem->start < heap->fpfn ||
>> -                    mem->start + mem->num_pages > heap->lpfn))
>> +                    (heap->lpfn != 0 && (mem->start + mem->num_pages) >
>> heap->lpfn)))
>>                         continue;
>>                 *new_flags = heap->flags;
>> @@ -1021,9 +1021,9 @@ static bool ttm_bo_mem_compat(struct ttm_placement
>> *placement,
>>         for (i = 0; i < placement->num_busy_placement; i++) {
>>                 const struct ttm_place *heap =
>> &placement->busy_placement[i];
>> -               if (mem->mm_node && heap->lpfn != 0 &&
>> +               if (mem->mm_node &&
>>                     (mem->start < heap->fpfn ||
>> -                    mem->start + mem->num_pages > heap->lpfn))
>> +                    (heap->lpfn != 0 && (mem->start + mem->num_pages) >
>> heap->lpfn)))
>>                         continue;
>>                 *new_flags = heap->flags;
>
>
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