mn Tue, May 16, 2017 at 10:47:48AM +0300, Jani Nikula wrote:
> On Mon, 15 May 2017, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> > Hi,
> >
> > I'm seeing this on suspend/resume on a GPD-win,
> > cherrytrail z8700 device:
>
> Ville, does
>
> commit 668e3b014afb66ab29e134bca7c258527273ac75
> Author: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Date: Thu Apr 27 19:02:20 2017 +0300
>
> drm/i915: Fix runtime PM for LPE audio
>
> in drm-intel-fixes address this?
ebf5f921478b ("drm/i915: Stop pretending to mask/unmask LPE audio
interrupts") is a more likely candidate.
>
> BR,
> Jani.
>
>
>
> >
> > [ 75.514651] RPM wakelock ref not held during HW access
> > [ 75.514827] ------------[ cut here ]------------
> > [ 75.515025] WARNING: CPU: 2 PID: 1832 at drivers/gpu/drm/i915/intel_drv.h:1780 fwtable_write32+0x1d3/0x240 [i915]
> > ...
> > [ 75.515704] RIP: 0010:fwtable_write32+0x1d3/0x240 [i915]
> > ...
> > [ 75.515767] Call Trace:
> > [ 75.515952] lpe_audio_irq_unmask+0x6a/0xc0 [i915]
> > [ 75.515972] irq_enable+0x3a/0x50
> > [ 75.515984] __enable_irq+0x34/0x60
> > [ 75.515996] resume_irqs+0x8f/0xd0
> > [ 75.516007] resume_device_irqs+0x10/0x20
> > [ 75.516021] dpm_resume_noirq+0x23e/0x310
> > [ 75.516041] suspend_devices_and_enter+0x2f3/0x7f0
> > [ 75.516055] ? finish_wait+0x80/0x80
> > [ 75.516067] pm_suspend+0x335/0x3a0
> > [ 75.516078] state_store+0x85/0xf0
> > [ 75.516095] kobj_attr_store+0xf/0x20
> > [ 75.516108] sysfs_kf_write+0x37/0x40
> > [ 75.516117] kernfs_fop_write+0x11c/0x1a0
> > [ 75.516132] __vfs_write+0x37/0x160
> > [ 75.516145] ? selinux_file_permission+0xfb/0x120
> > [ 75.516158] ? security_file_permission+0x3b/0xc0
> > [ 75.516169] vfs_write+0xb1/0x1a0
> > [ 75.516180] SyS_write+0x55/0xc0
> > [ 75.516197] entry_SYSCALL_64_fastpath+0x1a/0xa5
> > ...
> > [ 76.584235] PM: early resume of devices complete after 1067.477 msecs
> >
> > If someone has a fix for this they want me to try, let me know.
> >
> > Regards,
> >
> > Hans
> > _______________________________________________
> > Intel-gfx mailing list
> > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
>
> --
> Jani Nikula, Intel Open Source Technology Center
--
Ville Syrjälä
Intel OTC
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