<div dir="ltr"><div>Something I have forgotten,</div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Dec 15, 2016 at 8:14 PM, Peter Frühberger <span dir="ltr"><<a href="mailto:fritsch@kodi.tv" target="_blank">fritsch@kodi.tv</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Veeranna,<div class="gmail_extra"><br><div class="gmail_quote"><div><div class="gmail-h5">On Thu, Dec 15, 2016 at 6:03 PM, ViruS Tadala <span dir="ltr"><<a href="mailto:tadala.veerannababu@gmail.com" target="_blank">tadala.veerannababu@gmail.com</a><wbr>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div><div><div><div><div>Hi Peter,<br><br></div>Thanks for your quick response.<br><br></div>Mentioned figures are GPU load values. I have ran the intel_gpu_top command to get the same.<br><br></div>I didn't check any clock details. Used below pipeline and ran multiple instances.<br><br>gst-launch-1.0 videotestsrc is-live=true pattern=22 horizontal-speed=20 ! 'video/x-raw, format=(string)I420, width=(int)1920, height=(int)1080, framerate=(fraction)10/1' ! vaapiencode_h264 min-qp=20 ! queue ! vaapidecode ! queue ! appsink<br><br></div>Please let me know if you need more information.<br><br></div>Best Regards,<br></div>Veeranna.<br><div><div><div><div><br><div><div><div><br></div></div></div></div></div></div></div></div><div class="gmail_extra"><div><div class="gmail-m_2512575686615597112gmail-h5"><br><div class="gmail_quote">On Thu, Dec 15, 2016 at 11:47 AM, Peter Frühberger <span dir="ltr"><<a href="mailto:fritsch@kodi.tv" target="_blank">fritsch@kodi.tv</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Veeranna,<div><br></div><div>i cannot even interpret your figures. Is that the CPU load? If yes - did you check the clocks?</div><div>Which benchmark did you use? Where did the data come from, where was it encoded to? Was it stored? Which format?</div><div><br></div><div>In short: Without more details you most likely get the following answer:</div><div><br></div><div>Depends!</div><div><br></div><div>Best regards</div><div>Peter</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div class="gmail-m_2512575686615597112gmail-m_-9201582968045557745h5">On Thu, Dec 15, 2016 at 4:19 PM, ViruS Tadala <span dir="ltr"><<a href="mailto:tadala.veerannababu@gmail.com" target="_blank">tadala.veerannababu@gmail.com</a><wbr>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail-m_2512575686615597112gmail-m_-9201582968045557745h5"><div dir="ltr"><div class="gmail-m_2512575686615597112gmail-m_-9201582968045557745m_2847981342795212401m_-6761828219234097123gmail-jive-rendered-content"><p>Hi,<br></p><p>I have done some benchmarking on
both platforms & observed that braswell did lesser number of
channels(decode + re-encode using vaapi) than baytrail.</p><p>60-65% for 6channels on braswell.</p><p>60-66 % for 10channels on baytrail.</p><p style="min-height:8pt;padding:0px">Please let me know whether we can expect better GPU performance on braswell than baytrail or not? <br></p><p>Best Regards,</p><p>Veeranna.<br></p></div></div>
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<br></blockquote></div><br></div>
</blockquote></div><br><br clear="all"><br></div></div><span class="gmail-m_2512575686615597112gmail-HOEnZb"><font color="#888888">-- <br><div class="gmail-m_2512575686615597112gmail-m_-9201582968045557745gmail_signature"><div dir="ltr"><div>Best Regards,<br></div>ViruS<br></div></div></font></span></div></blockquote><div><br></div></div></div><div>Does this kernel patch help:</div><div> </div></div><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">From 32c513eeafa681f798b04488524994<wbr>fe47355cad Mon Sep 17 00:00:00 2001
From: fritsch <<a href="mailto:peter.fruehberger@gmail.com" target="_blank">peter.fruehberger@gmail.com</a>>
Date: Sat, 13 Aug 2016 22:56:37 +0200
Subject: [PATCH] drm/i915: intel-pm enable thresholds
---
drivers/gpu/drm/i915/intel_pm.<wbr>c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_<wbr>pm.c b/drivers/gpu/drm/i915/intel_<wbr>pm.c
index 06e5596..38e613c 100644
--- a/drivers/gpu/drm/i915/intel_<wbr>pm.c
+++ b/drivers/gpu/drm/i915/intel_<wbr>pm.c
@@ -4982,8 +4982,7 @@ static void valleyview_set_rps(struct drm_i915_private *dev_priv, u8 val)
if (val != dev_priv->rps.cur_freq) {
vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ, val);
- if (!IS_CHERRYVIEW(dev_priv))
- gen6_set_rps_thresholds(dev_<wbr>priv, val);
+ gen6_set_rps_thresholds(dev_<wbr>priv, val);
}
dev_priv->rps.cur_freq = val;
--
2.7.4</pre><span class="gmail-HOEnZb"><font color="#888888"><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap"><br></pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap"><br></pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">Best regards</pre><pre style="color:rgb(0,0,0);word-wrap:break-word;white-space:pre-wrap">Peter</pre></font></span></div></div></blockquote><div><br></div><div>And also check this: /sys/class/drm/card0/gt_min_freq_mhz while benchmarking, it might simply be that the gpu is not clocking correctly. You can increase the min clock by doing: echo 600 > /sys/class/drm/card0/gt_min_freq_mhz </div></div><br></div></div>