linux-kernel - Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

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Message-ID: <455B5F78.5060401@garzik.org>
Date:	Wed, 15 Nov 2006 13:42:00 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	Linus Torvalds <torvalds@...l.org>,
	David Miller <davem@...emloft.net>,
	linux-kernel@...r.kernel.org, tiwai@...e.de
Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

Krzysztof Halasa wrote:
> Jeff Garzik <jeff@...zik.org> writes:
> 
>> So far, MSI history on x86 has always followed these rules:
>> * it works on Intel
>> * it doesn't work [well | at all] on AMD/NV
> 
> I don't know how does it look when it doesn't work etc. but certainly
> both NV Ethernet and HDA seem to work for me and:

Oh I certainly agree (and it appears that Roland agrees) that MSI works 
/somewhere/ on NV.  I give kudos to NV to working on forcedeth to make 
sure it works well with MSI.  But unfortunately NV was also in the bug 
report(s) linked.

Though OTOH, the driver wasn't calling pci_intx() nor setting irq flags 
correctly, so who knows.

	Jeff



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