linux-kernel - Re: [PATCH 03/20] drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c: remove I2C_CLASS

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Date:   Mon, 13 Nov 2023 12:50:07 -0500
From:   Harry Wentland <harry.wentland@....com>
To:     Heiner Kallweit <hkallweit1@...il.com>,
        Wolfram Sang <wsa@...nel.org>
Cc:     linux-i2c@...r.kernel.org, Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/20] drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c:
 remove I2C_CLASS_DDC support

Please just use "drm/amd/display:" as tag in the commit subject.

With that fixed, this is
Acked-by: Harry Wentland <harry.wentland@....com>

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@...il.com>
> 
> ---
>  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);
>