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From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@epam.com>
To: "Jürgen Groß" <jgross@suse.com>,
	"Oleksandr Andrushchenko" <andr2000@gmail.com>,
	"xen-devel@lists.xenproject.org" <xen-devel@lists.xenproject.org>,
	"ian.jackson@eu.citrix.com" <ian.jackson@eu.citrix.com>,
	"wl@xen.org" <wl@xen.org>
Subject: Re: [PATCH v2] xen/displif: Protocol version 2
Date: Wed, 1 Jul 2020 12:07:46 +0000
Message-ID: <b5a6e034-4d52-d6b2-7c14-3c44c4a19cc3@epam.com> (raw)
In-Reply-To: <dffd127d-c5a1-4c77-baa8-f1d931145bc4@suse.com>

On 7/1/20 1:46 PM, Jürgen Groß wrote:
> On 01.07.20 09:19, Oleksandr Andrushchenko wrote:
>> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>>
>> 1. Add protocol version as an integer
>>
>> Version string, which is in fact an integer, is hard to handle in the
>> code that supports different protocol versions. To simplify that
>> also add the version as an integer.
>>
>> 2. Pass buffer offset with XENDISPL_OP_DBUF_CREATE
>>
>> There are cases when display data buffer is created with non-zero
>> offset to the data start. Handle such cases and provide that offset
>> while creating a display buffer.
>>
>> 3. Add XENDISPL_OP_GET_EDID command
>>
>> Add an optional request for reading Extended Display Identification
>> Data (EDID) structure which allows better configuration of the
>> display connectors over the configuration set in XenStore.
>> With this change connectors may have multiple resolutions defined
>> with respect to detailed timing definitions and additional properties
>> normally provided by displays.
>>
>> If this request is not supported by the backend then visible area
>> is defined by the relevant XenStore's "resolution" property.
>>
>> If backend provides extended display identification data (EDID) with
>> XENDISPL_OP_GET_EDID request then EDID values must take precedence
>> over the resolutions defined in XenStore.
>>
>> 4. Bump protocol version to 2.
>>
>> Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
>
> Reviewed-by: Juergen Gross <jgross@suse.com>

Thank you, do you want me to prepare the same for the kernel so

you have it at hand when the time comes?

>
>
> Juergen

  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  7:19 Oleksandr Andrushchenko
2020-07-01 10:46 ` Jürgen Groß
2020-07-01 12:07   ` Oleksandr Andrushchenko [this message]
2020-07-02  7:20     ` Jürgen Groß
2020-07-02  7:59       ` Oleksandr Andrushchenko
2020-07-02  8:42         ` Jürgen Groß

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