[PATCH 3/5] drm/amdgpu: add GMC9 support for PDs/PTs in system memory

[Zhang, Jerry (Junwei)]

On 08/25/2018 12:09 AM, Alex Deucher wrote:
> On Fri, Aug 24, 2018 at 10:21 AM Christian König
> <ckoenig.leichtzumerken at gmail.com> wrote:
>>
>> Add the necessary handling.
>>
>> Signed-off-by: Christian König <christian.koenig at amd.com>
>
> Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Junwei Zhang <Jerry.Zhang at amd.com>

>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> index a82b3eb429e8..453bd7ea50e7 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
>> @@ -560,7 +560,7 @@ static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev,
>>   static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
>>                                  uint64_t *addr, uint64_t *flags)
>>   {
>> -       if (!(*flags & AMDGPU_PDE_PTE))
>> +       if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
>>                  *addr = adev->vm_manager.vram_base_offset + *addr -
>>                          adev->gmc.vram_start;
>>          BUG_ON(*addr & 0xFFFF00000000003FULL);
>> --
>> 2.17.1
>>
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