# [1]
forwarded 692225 https://bugs.freedesktop.org/56118
quit
Sebastian Ramacher wrote:
> I've recently upgrade from 3.2 to 3.6. Since the upgrade after resuming from
> supsend-to-disk the screen starts to flicker and the kernel log contains the
> following traceback:
>
> [ 4730.108047] ------------[ cut here ]------------
> [ 4730.108073] WARNING: at
> /build/buildd-linux_3.6.4-1~experimental.1-amd64-QnAy6j/linux-3.6.4/drivers/gpu/drm/i915/intel_display.c:1225
> intel_crtc_disable+0x52/0x86 [i915]()
> [ 4730.108074] Hardware name: 7458WTH
> [ 4730.108076] pipe B assertion failure (expected off, current on)
Oh, here's a better link: [1]. This is said to be fixed by
fa55583797d1 drm/i915: fixup the plane->pipe fixup code
A naive backport of that depends on
24929352481f drm/i915: read out the modeset hw state at load and
resume time
which in turn depends on the series
*: implement get_hw_state
*: convert to encoder->disable/enable
Jonathan
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