[Bug 110394] Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110394

--- Comment #14 from Chris Wilson <chris at chris-wilson.co.uk> ---
Try

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1a6f36e08a60..d2e075e54e89 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -7202,7 +7202,7 @@ static void gen9_enable_rc6(struct drm_i915_private
*dev_priv)
         * 3b: Enable Coarse Power Gating only when RC6 is enabled.
         * WaRsDisableCoarsePowerGating:skl,cnl - Render/Media PG need to be
disabled with RC6.
         */
-       if (NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
+       if (NEEDS_WaRsDisableCoarsePowerGating(dev_priv) || 1)
                I915_WRITE(GEN9_PG_ENABLE, 0);
        else
                I915_WRITE(GEN9_PG_ENABLE,

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