[PATCH v3 4/7] sound/radeon: Add quirk for broken 64-bit MSI

Alex Deucher alexdeucher at gmail.com
Wed Oct 8 17:23:19 EST 2014

On Wed, Oct 8, 2014 at 1:28 AM, Benjamin Herrenschmidt
<benh at kernel.crashing.org> wrote:
> On Tue, 2014-10-07 at 19:47 -0400, Alex Deucher wrote:
>> > This moves the setting of the quirk flag to the audio driver.
>> >
>> > While recent ASICs have that problem fixed, they don't seem to
>> > be listed in the PCI IDs of the current driver, so let's quirk all
>> > the ATI HDMI for now. The consequences are nil on x86 anyway.
>> >
>> > Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
>> > Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>> > CC: <stable at vger.kernel.org>
>> Further discussion with the hw teams have revealed that this is still
>> an issue on newer asics so I think your original patch is correct
>> after all.  Just disable 64 bit MSIs on all AMD audio PCI ids.
> Allright, I won't resend the whole series, I can just pickup my previous
> patch. Takashi, Bjorn, Dave, this series covers your 3 areas of
> maintainership, how do you want to proceed ? I'm happy to merge the
> whole lot via powerpc ASAP (since it's all CC'ed stable) if you guys
> send me the appropriate acks, otherwise, let me know.

I don't remember if I gave my formal review of your original patch, so if not,
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>


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