Hello Marek, On Tue, Dec 5, 2017 at 5:12 PM, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > Hi Misha, > > On 2017-12-05 15:06, Misha Komarovskiy wrote: >> >> On Mon, Nov 27, 2017 at 6:40 AM, Archit Taneja <architt@xxxxxxxxxxxxxx> >> wrote: >>> >>> On 11/21/2017 01:19 PM, Marek Szyprowski wrote: >>>> >>>> get_modes() callback might be called asynchronously from the DRM core >>>> and >>>> it is not synchronized with bridge_enable(), which sets proper runtime >>>> PM >>>> state of the main DP device. Fix this by calling pm_runtime_get_sync() >>>> before calling drm_get_edid(), which in turn calls drm_dp_i2c_xfer() and >>>> analogix_dp_transfer() to ensure that main DP device is runtime active >>>> when doing any access to its registers. >>> >>> Looks good to me. Would be nice to get an ack from rockchip too. Will >>> queue >>> it >>> to drm-misc-fixes (so that it's merged for 4.15-rc2) if no one has any >>> objections. >> >> After this patch accepted to 4.15-rc2 any chances to have it also in >> 4.14 stable? >> >> I tested it manualy and it fixes boot freeze on snow with 4.14. >> If required, >> Tested-by: Misha Komarovskiy <zombah@xxxxxxxxx> > > > The patch is tagged cc: stable, so it should automatically get into v4.14.y > series once it finally lands in v4.15-rcX series. > I see. Thank you for clarification. Sorry for the noise 8) >> ... > > Best regards > -- > Marek Szyprowski, PhD > Samsung R&D Institute Poland > -- Best Regards, Misha Komarovskiy zombahatgmaildotcom