Re: [PATCH 03/20] drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c: remove I2C_CLASS_DDC support

From: Heiner Kallweit
Date: Mon Nov 13 2023 - 13:32:40 EST


On 13.11.2023 18:50, Harry Wentland wrote:
> Please just use "drm/amd/display:" as tag in the commit subject.
>
Thanks, noted. Tags have been automatically created by Coccinelle's splitpatch.

> With that fixed, this is
> Acked-by: Harry Wentland <harry.wentland@xxxxxxx>
>
> Harry
>
> On 2023-11-13 06:23, Heiner Kallweit wrote:
>> After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in
>> olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC.
>> Class-based device auto-detection is a legacy mechanism and shouldn't
>> be used in new code. So we can remove this class completely now.
>>
>> Preferably this series should be applied via the i2c tree.
>>
>> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
>>
>> ---
>> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 -
>> 1 file changed, 1 deletion(-)
>>
>> 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 6f99f6754..ae1edc6ab 100644
>> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
>> @@ -7529,7 +7529,6 @@ create_i2c(struct ddc_service *ddc_service,
>> if (!i2c)
>> return NULL;
>> i2c->base.owner = THIS_MODULE;
>> - i2c->base.class = I2C_CLASS_DDC;
>> i2c->base.dev.parent = &adev->pdev->dev;
>> i2c->base.algo = &amdgpu_dm_i2c_algo;
>> snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
>>
>