<div dir="ltr">Although I believe that we could have a init_workaround function for skl as we have for bdw and chv</div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Sep 17, 2014 at 12:00 PM, Rodrigo Vivi <span dir="ltr"><<a href="mailto:rodrigo.vivi@gmail.com" target="_blank">rodrigo.vivi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Reviewed-by: Rodrigo Vivi <<a href="mailto:rodrigo.vivi@intel.com" target="_blank">rodrigo.vivi@intel.com</a>></div><div class="gmail_extra"><div><div class="h5"><br><div class="gmail_quote">On Thu, Sep 4, 2014 at 4:27 AM, Damien Lespiau <span dir="ltr"><<a href="mailto:damien.lespiau@intel.com" target="_blank">damien.lespiau@intel.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Signed-off-by: Damien Lespiau <<a href="mailto:damien.lespiau@intel.com" target="_blank">damien.lespiau@intel.com</a>><br>
---<br>
 drivers/gpu/drm/i915/intel_pm.c | 4 ++++<br>
 1 file changed, 4 insertions(+)<br>
<br>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c<br>
index 0dc148c..c38baea 100644<br>
--- a/drivers/gpu/drm/i915/intel_pm.c<br>
+++ b/drivers/gpu/drm/i915/intel_pm.c<br>
@@ -76,6 +76,10 @@ static void gen9_init_clock_gating(struct drm_device *dev)<br>
         */<br>
        I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) |<br>
                   GEN8_SDEUNIT_CLOCK_GATE_DISABLE);<br>
+<br>
+       /* Wa4x4STCOptimizationDisable:skl */<br>
+       I915_WRITE(CACHE_MODE_1,<br>
+                  _MASKED_BIT_ENABLE(GEN8_4x4_STC_OPTIMIZATION_DISABLE));<br>
 }<br>
<br>
 static void i8xx_disable_fbc(struct drm_device *dev)<br>
<span><font color="#888888">--<br>
1.8.3.1<br>
<br>
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</font></span></blockquote></div><br><br clear="all"><div><br></div></div></div><span class="HOEnZb"><font color="#888888">-- <br><div>Rodrigo Vivi</div><div>Blog: <a href="http://blog.vivi.eng.br" target="_blank">http://blog.vivi.eng.br</a></div><div> </div>
</font></span></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Rodrigo Vivi</div><div>Blog: <a href="http://blog.vivi.eng.br" target="_blank">http://blog.vivi.eng.br</a></div><div> </div>
</div>