Am Dienstag, 2. April 2019, 13:37:53 CEST schrieb Heiko Stuebner: > From: Vicente Bergas <[email protected]> > > As explained by Robin Murphy: > > the IOMMU shutdown disables paging, so if the VOP is still > > scanning out then that will result in whatever IOVAs it was using now going > > straight out onto the bus as physical addresses. > > We had a more radical approach before in commit > 7f3ef5dedb14 ("drm/rockchip: Allow driver to be shutdown on reboot/kexec") > but that resulted in new warnings and oopses on shutdown on rk3399 > chromeos devices. > > So second try is resurrecting Vicentes shutdown change which should > achieve the same result but in a less drastic way. > > Fixes: 63238173b2fa ("Revert drm/rockchip: Allow driver to be shutdown on > reboot/kexec") > Cc: Jeffy Chen <[email protected]> > Cc: Robin Murphy <[email protected]> > Cc: Marc Zyngier <[email protected]> > Cc: Brian Norris <[email protected]> > Cc: Doug Anderson <[email protected]> > Cc: [email protected] > Suggested-by: JeffyChen <[email protected]> > Suggested-by: Robin Murphy <[email protected]> > Signed-off-by: Vicente Bergas <[email protected]> > [adapted commit message to explain the history] > Signed-off-by: Heiko Stuebner <[email protected]>
applied to drm-misc-next Not fixes, to give it more exposure this time. It still has a stable tag so should nevertheless trickle down to stable in time as well. Thanks for all the testing Heiko _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
