22 Mar
2012
22 Mar
'12
10:57 p.m.
On Thu, 22 Mar 2012 18:25:55 -0400, Sean Paul seanpaul@chromium.org wrote:
Add a mutex to protect resume_force_mode from being called multiple times. This fixes a bug observed on SNB where two wake sources call resume_force_mode and the FDI training fails as a result. The user facing result of this is complete screen corruption.
Looks like a bug in i915_drv.c for calling that function without holding the mode_config.lock -Chris
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Chris Wilson, Intel Open Source Technology Centre