[SRU][linux-firmware][B/D/E/unstable][PATCH 1/1] UBUNTU: SAUCE: update firmware for sound sof driver to fix hang issues

[Seth Forshee]

On Thu, Oct 31, 2019 at 10:57:23AM +0800, Hui Wang wrote:
> 
> On 2019/10/30 下午11:33, Seth Forshee wrote:
> > On Tue, Oct 29, 2019 at 03:50:48PM +0800, Hui Wang wrote:
> > > On 2019/10/29 下午2:25, Hui Wang wrote:
> > > > On 2019/10/29 下午2:04, Hui Wang wrote:
> > > > > On 2019/10/28 下午10:22, Seth Forshee wrote:
> > > > > > On Mon, Oct 28, 2019 at 07:43:37PM +0800, Hui Wang wrote:
> > > > > > > On 2019/10/28 下午7:12, Rex Tsai wrote:
> > > > > > > > Hi,
> > > > > > > > 
> > > > > > > > This version of firmware[1] is not signed by Intel. The
> > > > > > > > Comet Lake (CML)
> > > > > > > > processor will validate the PV bits of the firmware, and
> > > > > > > > it will refuse
> > > > > > > > to load the sof-cnl.ri firmware
> > > > > > > > 
> > > > > > > > *sof-audio-pci 0000:00:1f.3: error: load fw failed ret: -110*
> > > > > > > > 
> > > > > > > > This SRU breaks the DMIC on CML platform. Please kindly replace the
> > > > > > > > firmware binary for the CML platforms.
> > > > > > > That is on my to-do list,  and wait for the new firmware is
> > > > > > > fully tested.
> > > > > > If this update is regressing working systems we need to fix it asap.
> > > > > > Fortunately this hasn't been released yet for bionic/disco, but it has
> > > > > > for eoan. Will you have the signed firmware soon, or should we revert
> > > > > > the update in eoan?
> > > Hi Seth,
> > > 
> > > Just confirmed, the new firmware will be available on the mid of Nov, and
> > > there are some cml machines released to the market already.
> > > 
> > > Let us revert the the firmware from eoan/disco/bionic.
> > > 
> > > Since eoan is released and disco/bionic is not, I don't know what I should
> > > do, do I need to send a revert patch for eoan?
> > Please just create a bug for the revert, then I can handle it from
> 
> Done.
> 
> https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1850739

Reverted, thanks!