[PATCH 1/2] drm/amdgpu: fix re-program vm invalidate eng address range for gfxhub on resume

[zhoucm1]

On 2017年05月17日 15:55, Huang Rui wrote:
> On Wed, May 17, 2017 at 03:43:47PM +0800, Zhou, David(ChunMing) wrote:
>> By this change, I suggest to remove mmhub/gfxhub_v1_0_ip_funcs and their
>> IP block, unify them to gmc ip block, this way we cannot lost setting
>> when resume back.
>>
>  From hw side, wo won't have real gmc since this chip, mmhub and gfxhub(gc)
> instead of it. Maybe we would better to align with hw desgin.
I don't see any advance, as you said, we still have gmc block in soc15, 
why not unify mmhub/gfxhub calls to gmc block?
We can keep mmhub/gfxhub_xxx.c file, but ip_funciton isn't necessary.

Regards,
David Zhou
>
> Thanks,
> Rui
>
>> Regards,
>> David Zhou
>>
>> On 2017年05月17日 15:38, Huang Rui wrote:
>>> Signed-off-by: Huang Rui <ray.huang at amd.com>
>>> ---
>>>    drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 2 +-
>>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/
>> amdgpu/gfxhub_v1_0.c
>>> index 005075f..41313514 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
>>> @@ -368,7 +368,7 @@ static int gfxhub_v1_0_suspend(void *handle)
>>>   
>>>    static int gfxhub_v1_0_resume(void *handle)
>>>    {
>>> -     return 0;
>>> +     return gfxhub_v1_0_hw_init(handle);
>>>    }
>>>   
>>>    static bool gfxhub_v1_0_is_idle(void *handle)
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