Re: [PATCH 2/2] drm/exynos: Add device tree based discovery support for G2D

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2013. 2. 1. 오후 8:52 Inki Dae <inki.dae@xxxxxxxxxxx> 작성:

> 
> 
>> -----Original Message-----
>> From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media-
>> owner@xxxxxxxxxxxxxxx] On Behalf Of Sachin Kamat
>> Sent: Friday, February 01, 2013 8:40 PM
>> To: Inki Dae
>> Cc: Sylwester Nawrocki; Kukjin Kim; Sylwester Nawrocki; linux-
>> media@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; devicetree-
>> discuss@xxxxxxxxxxxxxxxx; patches@xxxxxxxxxx
>> Subject: Re: [PATCH 2/2] drm/exynos: Add device tree based discovery
>> support for G2D
>> 
>> On 1 February 2013 17:02, Inki Dae <inki.dae@xxxxxxxxxxx> wrote:
>>> 
>>> How about using like below?
>>>        Compatible = ""samsung,exynos4x12-fimg-2d" /* for Exynos4212,
>>> Exynos4412  */
>>> It looks odd to use "samsung,exynos4212-fimg-2d" saying that this ip is
>> for
>>> exynos4212 and exynos4412.
>> 
>> AFAIK, compatible strings are not supposed to have any wildcard
> characters.
>> Compatible string should suggest the first SoC that contained this IP.
>> Hence IMO 4212 is OK.
>> 

Oops, one more thing. AFAIK Exynos4210 also has fimg-2d ip. In this case, we should use "samsung,exynos4210-fimg-2d" as comparible string and add it to exynos4210.dtsi?
And please check if exynos4212 and 4412 SoCs have same fimg-2d ip. If it's different, we might need to add ip version property or compatible string to each dtsi file to identify the ip version.

Sorry but give me your opinions.

Thanks,
Inki Dae


> 
> Got it. Please post it again.
> 
>> 
>> --
>> With warm regards,
>> Sachin
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