Re: [PATCH v2] drm/i915: gen4: work around hang during hibernation

[Paul Bolle]

On Wed, 2015-03-18 at 12:22 +0200, Ville SyrjÃlà wrote:
> We had another bug report which showed similar problems on something
> as recent as SNB:
> https://bugzilla.kernel.org/show_bug.cgi?id=94241
> So I guess we really want to make the check 'gen < 7'.
> 
> My IVB X1 Carbon doesn't need this quirk, so hopefully that indicates
> the Lenovo BIOSen became more sane for gen7+.

On the other hand my ThinkPad X220 has vendor:device ids 8086:0126,
which makes it a gen6 device (assuming I parsed the various preprocessor
defines in include/drm/i915_pciids.h and drivers/gpu/drm/i915/i915_drv.c
correctly). That laptop is now running v3.19.1 and never hit this issue.


Paul Bolle

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