From: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
To: Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Peter Jones <pjones-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Matt Fleming
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>
Subject: Re: [PATCH] x86/efi: Add EFI framebuffer earlyprintk support
Date: Thu, 10 Oct 2013 18:58:28 +0100 [thread overview]
Message-ID: <20131010175828.GA9065@srcf.ucam.org> (raw)
In-Reply-To: <20131010174521.GA27218-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Thu, Oct 10, 2013 at 07:45:21PM +0200, Ingo Molnar wrote:
> Also, the main question would be, what is the typical value for
> si->lfb_depth. 32 on almost all EFI systems? All around the map? Depends
> on what graphics state the EFI bootloader passes us?
Microsoft require that it be 32, so in practice I suspect it'll always
be 32. It's possible that Itanium decides to be different.
--
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Peter Jones <pjones@redhat.com>,
Matt Fleming <matt@console-pimps.org>,
linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
Matt Fleming <matt.fleming@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH] x86/efi: Add EFI framebuffer earlyprintk support
Date: Thu, 10 Oct 2013 18:58:28 +0100 [thread overview]
Message-ID: <20131010175828.GA9065@srcf.ucam.org> (raw)
In-Reply-To: <20131010174521.GA27218@gmail.com>
On Thu, Oct 10, 2013 at 07:45:21PM +0200, Ingo Molnar wrote:
> Also, the main question would be, what is the typical value for
> si->lfb_depth. 32 on almost all EFI systems? All around the map? Depends
> on what graphics state the EFI bootloader passes us?
Microsoft require that it be 32, so in practice I suspect it'll always
be 32. It's possible that Itanium decides to be different.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2013-10-10 17:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-10 16:41 [PATCH] x86/efi: Add EFI framebuffer earlyprintk support Matt Fleming
2013-10-10 16:41 ` Matt Fleming
[not found] ` <1381423261-30566-1-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-10 17:28 ` Ingo Molnar
2013-10-10 17:28 ` Ingo Molnar
[not found] ` <20131010172844.GA26430-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-10 17:37 ` Peter Jones
2013-10-10 17:37 ` Peter Jones
2013-10-10 17:45 ` Ingo Molnar
[not found] ` <20131010174521.GA27218-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-10 17:58 ` Matthew Garrett [this message]
2013-10-10 17:58 ` Matthew Garrett
[not found] ` <20131010175828.GA9065-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-10-11 6:21 ` Ingo Molnar
2013-10-11 6:21 ` Ingo Molnar
2013-10-10 18:09 ` Peter Jones
[not found] ` <20131010180937.GD18821-FS9oOTXHwv9t4tGkRPVz9tcb/sdHg95EuydrBrBl+0sAvxtiuMwx3w@public.gmane.org>
2013-10-11 7:08 ` Geert Uytterhoeven
2013-10-11 7:08 ` Geert Uytterhoeven
2013-10-11 14:00 ` Matt Fleming
2013-10-11 14:00 ` Matt Fleming
[not found] ` <20131011140039.GF12321-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-12 17:49 ` Ingo Molnar
2013-10-12 17:49 ` Ingo Molnar
[not found] ` <20131012174934.GA18849-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-13 20:47 ` H. Peter Anvin
2013-10-13 20:47 ` H. Peter Anvin
[not found] ` <525B06CB.6090602-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-10-14 7:57 ` Ingo Molnar
2013-10-14 7:57 ` Ingo Molnar
[not found] ` <20131014075726.GB20435-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-16 9:16 ` Matt Fleming
2013-10-16 9:16 ` Matt Fleming
[not found] ` <20131016091648.GD10834-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-16 9:27 ` Ingo Molnar
2013-10-16 9:27 ` Ingo Molnar
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