Re: [PATCH] drm/amd/display: Fix set scaling doesn's work

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On 1/10/23 10:58, Rodrigo Siqueira Jordao wrote:
> 
> 
> On 11/22/22 06:20, hongao wrote:
>> [Why]
>> Setting scaling does not correctly update CRTC state. As a result
>> dc stream state's src (composition area) && dest (addressable area)
>> was not calculated as expected. This causes set scaling doesn's work.
>>
>> [How]
>> Correctly update CRTC state when setting scaling property.
>>
>> Signed-off-by: hongao <hongao@xxxxxxxxxxxxx>
>>
>> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> index 3e1ecca72430..a88a6f758748 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> @@ -9386,8 +9386,8 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
>>               goto fail;
>>           }
>>   -        if (dm_old_con_state->abm_level !=
>> -            dm_new_con_state->abm_level)
>> +        if (dm_old_con_state->abm_level != dm_new_con_state->abm_level ||
>> +            dm_old_con_state->scaling != dm_new_con_state->scaling)
>>               new_crtc_state->connectors_changed = true;
>>       }
>>   
> 
> Hi,
> 
> This change lgtm, and I also run it in our CI, and from IGT perspective, we are good.
> 
> Harry, do you have any comment about this change?
> 

LGTM

Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx>

Harry

> Thanks
> Siqueira




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