Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx> On 12/7/2015 9:59 PM, Mika Kuoppala wrote:
There is conflicting info between E0 and F0 steppings for this workarounds. Trust more authoritative source and be conservative and extend also for F0. This prevents numerous (>50) gpu hangs with SKL GT4e during piglit run. References: HSD: gen9lp/2134184 Cc: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ee05ce8..7096c06 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4717,7 +4717,7 @@ static void gen9_enable_rc6(struct drm_device *dev) */ if (IS_BXT_REVID(dev, 0, BXT_REVID_A1) || ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && - IS_SKL_REVID(dev, 0, SKL_REVID_E0))) + IS_SKL_REVID(dev, 0, SKL_REVID_F0))) I915_WRITE(GEN9_PG_ENABLE, 0); else I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ?
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