[Bug 111032] Need to set gt_min_freq_mhz to max value to avoid sync issues on Gemini Lake N5000/J5005

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jul 29 19:10:33 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=111032

--- Comment #6 from Ross Nicholson <phunkyfish at gmail.com> ---
Ok, got some time to check this just now.

I get laggy video occasionally during normal playback unless I bring up an
overlay. I'nm not forcing gt_min_freq_mhz when doing this.

First this is during normal playback (no overlay):

_____________________________________________________________________


LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [3 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 383, actual 400
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 24 boosts
Kernel (anonymous) boosts: 577

RPS Autotuning (current "high power" window):
  Avg. up: 6% [above threshold? 85%]
  Avg. down: 64% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 0
Frequency requested 333, actual 350
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 24 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 64% [above threshold? 85%]
  Avg. down: 59% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 317, actual 350
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 24 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 5% [above threshold? 85%]
  Avg. down: 70% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 217, actual 250
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 64% [above threshold? 85%]
  Avg. down: 99% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 233, actual 250
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 8% [above threshold? 85%]
  Avg. down: 34% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [1 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 333, actual 350
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 99% [above threshold? 85%]
  Avg. down: 84% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [1 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 317, actual 350
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 99% [above threshold? 85%]
  Avg. down: 80% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [1 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 200, actual 200
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 15% [above threshold? 85%]
  Avg. down: 54% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 383, actual 400
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 25% [above threshold? 85%]
  Avg. down: 37% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [2 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 200, actual 200
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 25 boosts
Kernel (anonymous) boosts: 579

RPS Autotuning (current "high power" window):
  Avg. up: 38% [above threshold? 85%]
  Avg. down: 60% [below threshold? 60%]

_____________________________________________________________________


And if I bring up an overlay:

_____________________________________________________________________

LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [1 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 383, actual 400
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 5 boosts
Kernel (anonymous) boosts: 543

RPS Autotuning (current "high power" window):
  Avg. up: 6% [above threshold? 85%]
  Avg. down: 33% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [4 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 783, actual 550
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 16 boosts
Kernel (anonymous) boosts: 546

RPS Autotuning (current "high power" window):
  Avg. up: 98% [above threshold? 85%]
  Avg. down: 51% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [4 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 550, actual 550
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 16 boosts
Kernel (anonymous) boosts: 550

RPS Autotuning (current "high power" window):
  Avg. up: 80% [above threshold? 85%]
  Avg. down: 70% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [4 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 633, actual 450
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 16 boosts
Kernel (anonymous) boosts: 551

RPS Autotuning (current "high power" window):
  Avg. up: 99% [above threshold? 85%]
  Avg. down: 63% [below threshold? 60%]
LibreELECSR:/sys/kernel/debug/dri/0 # cat i915_rps_boost_info 
RPS enabled? 1
GPU busy? yes [4 requests]
Boosts outstanding? 0
Interactive? 1
Frequency requested 783, actual 500
  min hard:100, soft:100; max soft:800, hard:800
  idle:100, efficient:250, boost:800
Xorg [580]: 0 boosts
kodi.bin [606]: 0 boosts
VideoPlayer [841]: 16 boosts
Kernel (anonymous) boosts: 552

RPS Autotuning (current "high power" window):
  Avg. up: 94% [above threshold? 85%]
  Avg. down: 21% [below threshold? 60%]

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