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authorRodrigo Vivi <rodrigo.vivi@intel.com>2017-08-29 16:07:51 -0700
committerRodrigo Vivi <rodrigo.vivi@intel.com>2017-08-30 21:57:10 -0700
commit86ebb015fa744dd1e265c9b45ade870ac859a4d5 (patch)
tree0a1617abc5f70bfe530c9e68b911e8c07a64999a /tools/perf/scripts/python/call-graph-from-sql.py
parent392572feb01c03c9db2f73993bdbff2b5ed45c38 (diff)
drm/i915/cnl: WaDisableI2mCycleOnWRPort
On CNL B0 stepping GAM is not able to detect some deadlock condition and then rise the rise the gam_coh_flush. WA database and spec both mentions to set 4AB8[24]=1 as workaround. Although register offset 0x4AB8 is not documented for any platform. References: HSD#1945815, BSID#1112 Cc: Mika Kuoppala <mika.kuoppala@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170829230751.21047-1-rodrigo.vivi@intel.com
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