Hi Geert,
On 20/02/2019 15:05, Geert Uytterhoeven wrote:
During PSCI system suspend, R-Car Gen3 SoCs are powered down, and all
IPMMU state is lost. Hence after s2ram, devices wired behind an IPMMU,
and configured to use it, will see their DMA operations hang.
To fix this, restore all IPMMU con
Hi Laurent,
On Wed, Feb 20, 2019 at 5:11 PM Laurent Pinchart
wrote:
> On Wed, Feb 20, 2019 at 05:05:49PM +0100, Geert Uytterhoeven wrote:
> > On Wed, Feb 20, 2019 at 4:42 PM Laurent Pinchart wrote:
> > > On Wed, Feb 20, 2019 at 04:05:31PM +0100, Geert Uytterhoeven wrote:
> > >> During PSCI system
Hi Geert,
On Wed, Feb 20, 2019 at 05:05:49PM +0100, Geert Uytterhoeven wrote:
> On Wed, Feb 20, 2019 at 4:42 PM Laurent Pinchart wrote:
> > On Wed, Feb 20, 2019 at 04:05:31PM +0100, Geert Uytterhoeven wrote:
> >> During PSCI system suspend, R-Car Gen3 SoCs are powered down, and all
> >> IPMMU stat
Hi Laurent,
On Wed, Feb 20, 2019 at 4:42 PM Laurent Pinchart
wrote:
> On Wed, Feb 20, 2019 at 04:05:31PM +0100, Geert Uytterhoeven wrote:
> > During PSCI system suspend, R-Car Gen3 SoCs are powered down, and all
> > IPMMU state is lost. Hence after s2ram, devices wired behind an IPMMU,
> > and c
Hi Geert,
Thank you for the patch.
On Wed, Feb 20, 2019 at 04:05:31PM +0100, Geert Uytterhoeven wrote:
> During PSCI system suspend, R-Car Gen3 SoCs are powered down, and all
> IPMMU state is lost. Hence after s2ram, devices wired behind an IPMMU,
> and configured to use it, will see their DMA o
During PSCI system suspend, R-Car Gen3 SoCs are powered down, and all
IPMMU state is lost. Hence after s2ram, devices wired behind an IPMMU,
and configured to use it, will see their DMA operations hang.
To fix this, restore all IPMMU contexts, and re-enable all active
micro-TLBs during system res
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