From: "Jürgen Groß" <jgross@suse.com>
To: Oleksandr Andrushchenko <andr2000@gmail.com>,
xen-devel@lists.xenproject.org, ian.jackson@eu.citrix.com,
wl@xen.org
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Subject: Re: [PATCH v2] xen/displif: Protocol version 2
Date: Wed, 1 Jul 2020 12:46:41 +0200 [thread overview]
Message-ID: <dffd127d-c5a1-4c77-baa8-f1d931145bc4@suse.com> (raw)
In-Reply-To: <20200701071923.18883-1-andr2000@gmail.com>
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>
Juergen
next prev parent reply other threads:[~2020-07-01 10:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-01 7:19 [PATCH v2] xen/displif: Protocol version 2 Oleksandr Andrushchenko
2020-07-01 10:46 ` Jürgen Groß [this message]
2020-07-01 12:07 ` Oleksandr Andrushchenko
2020-07-02 7:20 ` Jürgen Groß
2020-07-02 7:59 ` Oleksandr Andrushchenko
2020-07-02 8:42 ` Jürgen Groß
2020-07-08 5:59 ` Oleksandr Andrushchenko
2020-07-27 6:50 ` Oleksandr Andrushchenko
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=dffd127d-c5a1-4c77-baa8-f1d931145bc4@suse.com \
--to=jgross@suse.com \
--cc=andr2000@gmail.com \
--cc=ian.jackson@eu.citrix.com \
--cc=oleksandr_andrushchenko@epam.com \
--cc=wl@xen.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).