On Mon, Dec 16, 2013 at 7:52 PM, Colin Ian King <colin.king@xxxxxxxxxxxxx> wrote: > Hi there, > > There is a S3 resume issue that affects HP Mini Atom N270 with Intel > Mobile 945GSE on Linux 3.9.0 upwards. > > Device: > 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile > 945GSE Express Integrated Graphics Controller [8086:27ae] (rev 03) > (prog-if 00 [VGA controller]) > Subsystem: Hewlett-Packard Company Device [103c:361a] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- > <TAbort- <MAbort- >SERR- <PERR- INTx- > Latency: 0 > Interrupt: pin A routed to IRQ 16 > Region 0: Memory at fe980000 (32-bit, non-prefetchable) [size=512K] > Region 1: I/O ports at dc80 [size=8] > Region 2: Memory at d0000000 (32-bit, prefetchable) [size=256M] > Region 3: Memory at fe940000 (32-bit, non-prefetchable) [size=256K] > Expansion ROM at <unassigned> [disabled] > Capabilities: <access denied> > Kernel driver in use: i915 > > Issue: On S3 resume screen is blank. I've tracked this down to 2 patches: > > 1. 24576d23976746cb52e7700c4cadbf4bc1bc3472 > > drm/i915: enable VT switchless resume v3 > > This commit stops the screen from turning back on. Without the patch the > screen resumes back to on, however it is filled with random vertical lines. > > 2. fa55583797d12b10928a1813f3dcf066637caf5e > > drm/i915: fixup the plane->pipe fixup code > > I have to manually revert this. If I don't I get the random vertical > lines on resume. > > Any ideas on how to address these two issues that cause S3 resume to > leave the HP mini in a broken state? Please file a bug report on bugs.freedesktop.org against DRI -> DRM(Intel). Also please always cc relevant mailing lists when reporting kernel issues. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx