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- <TAbort-
<MAbort- >SERR- <PERR- INTx-
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 <unassigned> [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 <mikko.rapeli@xxxxxx>
---
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)))
pci_set_power_state(drm_dev->pdev, PCI_D3hot);
return 0;
--
2.1.4
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