[PATCH v3 0/6] drm/amd/display: Pass proper parent for DM backlight device v3

Hans de Goede hdegoede at redhat.com
Thu Mar 16 15:02:49 UTC 2023


Hi,

On 3/16/23 15:57, Rodrigo Siqueira Jordao wrote:
> 
> 
> On 3/12/23 13:17, Hans de Goede wrote:
>> Hi All,
>>
>> Here is version 3 of my patch series to pass the proper parent device
>> to backlight_device_register().
>>
>> Changes in v3:
>> - Make amdgpu_dm_register_backlight_device() check bl_idx != 1 before
>>    registering the backlight since amdgpu_dm_connector_late_register()
>>    now calls it for _all_ connectors.
>>
>> Changes in v2:
>> - Patches 1 - 5 are new, reworking the code a bit to allow delaying
>>    the registering, so this has turned from a single patch into
>>    a 6 patch set.
>> - Patch 6 now delays the registering of the backlight_dev till
>>    after the drm_connector is registered by doing it from
>>    drm_connector_funcs.late_register.
>>
>> Note this no longer is RFC since this has been successfully
>> tested on 3 laptops which hit the affected code path.
>>
>> Version 3 has also been tested on my personal AMD Ryzen 7 5700G APU
>> desktop machine and now no longer tries to register a backlight
>> device for each connector there.
>>
>> Regards,
>>
>> Hans
>>
>>
>> Hans de Goede (6):
>>    drm/amd/display/amdgpu_dm: Fix backlight_device_register() error
>>      handling
>>    drm/amd/display/amdgpu_dm: Refactor register_backlight_device()
>>    drm/amd/display/amdgpu_dm: Add a bl_idx to amdgpu_dm_connector
>>    drm/amd/display/amdgpu_dm: Move most backlight setup into
>>      setup_backlight_device()
>>    drm/amd/display/amdgpu_dm: Make amdgpu_dm_register_backlight_device()
>>      take an amdgpu_dm_connector
>>    drm/amd/display/amdgpu_dm: Pass proper parent for backlight device
>>      registration v3
>>
>>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 100 ++++++++----------
>>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h |   1 +
>>   2 files changed, 46 insertions(+), 55 deletions(-)
>>
> 
> Hi,
> 
> First of all, thanks a lot for this patchset.
> 
> I run your series in our CI (IGT-based), and I also conducted some manual tests in my ASICs. Everything looks fine.
> 
> I also reviewed this series, and it LGTM:
> 
> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
> 
> Finally, I pushed it to amd-staging-drm-next.

Great, thank you.

Regards,

Hans




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