Re: [PATCH] dmaengine: ti: omap-dma: Block PM if SDMA is busy to fix audio

Tony Lindgren
2020-11-10T11:33:51Z

* Peter Ujfalusi <peter.ujfalusi@ti.com> [201110 07:59]:
> Hi,
>
> On 10/11/2020 9.58, Peter Ujfalusi wrote:
> > Hi Tony,
> >
> > On 09/11/2020 17.40, Tony Lindgren wrote:
> >> We now use cpu_pm for saving and restoring device context for deeper SoC
> >> idle states. But for omap3, we must also block idle if SDMA is busy.
> >>
> >> If we don't block idle when SDMA is busy, we eventually end up saving and
> >> restoring SDMA register state on PER domain idle while SDMA is active and
> >> that causes at least audio playback to fail.
> >
> > Thanks for the fix!
> >
> > Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> > Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> >
> > Vinod: Can you take this for 5.10 as a fix? The off mode got enabled by
> > default in 5.10-rc1 and audio got broken out of box.
>
> to Vinod with corrected email address..

Sorry about that, I've bounced the original patch too. Vinod let me know if
you want me to resend the patch.

Regards,

Tony