linux-kernel - Re: [PATCH 4/5] drm/solomon: Move device info from ssd130x-i2c to the core driver

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Message-ID: <67634336-4711-d643-03d3-d2514af55917@redhat.com>
Date:   Fri, 8 Apr 2022 10:23:12 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     Neil Armstrong <narmstrong@...libre.com>,
        linux-kernel@...r.kernel.org
Cc:     Chen-Yu Tsai <wens@...nel.org>, David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, Mark Brown <broonie@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH 4/5] drm/solomon: Move device info from ssd130x-i2c to the
 core driver

Hello Neil,

Thanks for your feedback.

On 4/8/22 09:49, Neil Armstrong wrote:

[snip]

>>   
>> +static struct ssd130x_deviceinfo ssd130x_variants[] =  {
>> +	{
>> +		.default_vcomh = 0x40,
>> +		.default_dclk_div = 1,
>> +		.default_dclk_frq = 5,
>> +		.page_mode_only = 1,
>> +	},
> 
> Why not [SH1106_ID] = {
> 
> and later:
> 
> if (variant < NR_SSD130X_VARIANTS)
> 	ssd130x->device_info = ssd130x_variants[variant];
> 
> instead of less efficient ssd13x_variant_to_info ?
>

Indeed. I'll change that in v2.

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat