Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753293AbbFSPl4 (ORCPT ); Fri, 19 Jun 2015 11:41:56 -0400 Received: from mail-wg0-f53.google.com ([74.125.82.53]:35394 "EHLO mail-wg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751605AbbFSPlr (ORCPT ); Fri, 19 Jun 2015 11:41:47 -0400 Date: Fri, 19 Jun 2015 17:44:31 +0200 From: Daniel Vetter To: Mikko Rapeli Cc: linux-kernel@vger.kernel.org, imre.deak@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Jani Nikula Subject: Re: [PATCH] drm/i915: enable BIOS hang workaround for Lenovo T60 too Message-ID: <20150619154431.GD25769@phenom.ffwll.local> Mail-Followup-To: Mikko Rapeli , linux-kernel@vger.kernel.org, imre.deak@intel.com, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Jani Nikula References: <1434694676-2039-1-git-send-email-mikko.rapeli@iki.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1434694676-2039-1-git-send-email-mikko.rapeli@iki.fi> X-Operating-System: Linux phenom 4.0.0-rc3+ User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3102 Lines: 74 On Fri, Jun 19, 2015 at 08:17:55AM +0200, Mikko Rapeli wrote: > When trying to hibernate a Lenovo T60 the half moon led keeps blinking and > devices does not power off since commit da2bc1b9db3. > > T60 chip details: > > 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GM > L Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller]) > Subsystem: Lenovo ThinkPad R60/T60/X60 series > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Step > ping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0 > Interrupt: pin A routed to IRQ 16 > Region 0: Memory at ee100000 (32-bit, non-prefetchable) [size=512K] > Region 1: I/O ports at 1800 [size=8] > Region 2: Memory at d0000000 (32-bit, prefetchable) [size=256M] > Region 3: Memory at ee200000 (32-bit, non-prefetchable) [size=256K] > Expansion ROM at [disabled] > Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- > Address: 00000000 Data: 0000 > Capabilities: [d0] Power Management version 2 > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Kernel driver in use: i915 > > Signed-off-by: Mikko Rapeli > --- > drivers/gpu/drm/i915/i915_drv.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c > index ec4d932..36e311e 100644 > --- a/drivers/gpu/drm/i915/i915_drv.c > +++ b/drivers/gpu/drm/i915/i915_drv.c > @@ -641,11 +641,12 @@ static int i915_drm_suspend_late(struct drm_device *drm_dev, bool hibernation) > * the device even though it's already in D3 and hang the machine. So > * leave the device in D0 on those platforms and hope the BIOS will > * power down the device properly. Platforms where this was seen: > - * Lenovo Thinkpad X301, X61s > + * Lenovo Thinkpad X301, X61s, T60 > */ > if (!(hibernation && > drm_dev->pdev->subsystem_vendor == PCI_VENDOR_ID_LENOVO && > - INTEL_INFO(dev_priv)->gen == 4)) > + ((INTEL_INFO(dev_priv)->gen == 3) || > + (INTEL_INFO(dev_priv)->gen == 4))) I wonder whether we shouldn't do this unconditionally for gen4 and earlier for Lenovo ... Anyway this needs Cc: stable@vger.kernel.org and is for Jani to pick up. Thanks for figuring out what's been broken here. -Daniel > pci_set_power_state(drm_dev->pdev, PCI_D3hot); > > return 0; > -- > 2.1.4 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/