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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT Regression]igt/gem_concurrent_blit/gtt-gpu-read-after-write-forked causes *ERROR* timed out waiting for Punit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75244#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT Regression]igt/gem_concurrent_blit/gtt-gpu-read-after-write-forked causes *ERROR* timed out waiting for Punit"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75244">bug 75244</a>
from <span class="vcard"><a class="email" href="mailto:jbarnes@virtuousgeek.org" title="Jesse Barnes <jbarnes@virtuousgeek.org>"> <span class="fn">Jesse Barnes</span></a>
</span></b>
<pre>Presumably this fixes it?
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index a6b877a..ed44b04 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3084,10 +3084,6 @@ static void vlv_set_rps_idle(struct drm_i915_private
*dev
vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ,
dev_priv->rps.min_delay);
- if (wait_for(((vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS))
- & GENFREQSTATUS) == 0, 5))
- DRM_ERROR("timed out waiting for Punit\n");
-
/* Release the Gfx clock */
I915_WRITE(VLV_GTLC_SURVIVABILITY_REG,
I915_READ(VLV_GTLC_SURVIVABILITY_REG) &
Daniel, any opinion?</pre>
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