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drm/i915/bxt: Add WaForceContextSaveRestoreNonCoherent 

Note that we also need this for skl.

Signed-off-by: Nick Hoath <nicholas.hoath@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Note that we also need this for skl, requested by Imre.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Nick Hoath 2015-04-10 13:12:26 +01:00 committed by Daniel Vetter
parent f1d3d34d17
commit 83a24979c4
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -1057,6 +1057,10 @@ static int bxt_init_workarounds(struct intel_engine_cs *ring)
GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE); GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE);
} }
/* WaForceContextSaveRestoreNonCoherent:bxt */
WA_SET_BIT_MASKED(HDC_CHICKEN0,
HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT);
return 0; return 0;
} }