Signed-off-by: Arun Siluvery <arun.siluvery@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ab5ac5e..093a5e4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -63,6 +63,10 @@ static void gen9_init_clock_gating(struct drm_device *dev) /* WaDisableKillLogic:bxt,skl */ I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | ECOCHK_DIS_TLB); + + /* WaOCLCoherentLineFlush:skl,bxt */ + I915_WRITE(GEN8_L3SQCREG4, (I915_READ(GEN8_L3SQCREG4) | + GEN8_LQSC_FLUSH_COHERENT_LINES)); } static void skl_init_clock_gating(struct drm_device *dev) -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
