From: Jan Beulich <jbeulich@suse.com>
To: Igor Druzhinin <igor.druzhinin@citrix.com>
Cc: Juergen Gross <jgross@suse.com>,
xen-devel@lists.xenproject.org, roger.pau@citrix.com, wl@xen.org,
andrew.cooper3@citrix.com
Subject: Re: [Xen-devel] [PATCH for-4.13 v2 3/3] efi/boot: make sure graphics mode is set while booting through MB2
Date: Thu, 10 Oct 2019 09:14:52 +0200 [thread overview]
Message-ID: <0868db93-7cd6-740d-2b68-23d12be57965@suse.com> (raw)
In-Reply-To: <1570653603-9889-4-git-send-email-igor.druzhinin@citrix.com>
On 09.10.2019 22:40, Igor Druzhinin wrote:
> If a bootloader is using native driver instead of EFI GOP it might
> reset graphics mode to be different from what has been originally set
> by firmware. While booting through MB2 Xen either need to parse video
> setting passed by MB2 and use them instead of what GOP reports or
> reset the mode to synchronise it with firmware - prefer the latter.
>
> Observed while booting Xen using MB2 with EFI GRUB2 compiled with
> all possible video drivers where native drivers take priority over firmware.
>
> Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
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next prev parent reply other threads:[~2019-10-10 7:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-09 20:40 [Xen-devel] [PATCH for-4.13 v2 0/3] EFI GOP fixes Igor Druzhinin
2019-10-09 20:40 ` [Xen-devel] [PATCH for-4.13 v2 1/3] efi/boot: add missing pointer dereference in set_color Igor Druzhinin
2019-10-10 7:07 ` Jan Beulich
2019-10-09 20:40 ` [Xen-devel] [PATCH for-4.13 v2 2/3] x86/efi: properly handle 0 in pixel reserved bitmask Igor Druzhinin
2019-10-10 7:13 ` Jan Beulich
2019-10-10 12:23 ` Igor Druzhinin
2019-10-09 20:40 ` [Xen-devel] [PATCH for-4.13 v2 3/3] efi/boot: make sure graphics mode is set while booting through MB2 Igor Druzhinin
2019-10-10 7:14 ` Jan Beulich [this message]
2019-10-10 7:56 ` [Xen-devel] [PATCH for-4.13 v2 0/3] EFI GOP fixes Jürgen Groß
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