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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - I suspect that in kernel 4.19 power limit decreased in 4 times on Vega GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108652#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - I suspect that in kernel 4.19 power limit decreased in 4 times on Vega GPU"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108652">bug 108652</a>
from <span class="vcard"><a class="email" href="mailto:mikhail.v.gavrilov@gmail.com" title="mikhail.v.gavrilov@gmail.com">mikhail.v.gavrilov@gmail.com</a>
</span></b>
<pre>I would welcome any increase of FPS since I play on a 4K monitor.
1) Project CARS 2
GFX Clocks and Power:
700 MHz (MCLK)
984 MHz (SCLK)
1269 MHz (PSTATE_SCLK)
700 MHz (PSTATE_MCLK)
818 mV (VDDGFX)
62.0 W (average GPU)
GPU Temperature: 74 C
GPU Load: 100 %
7 FPS on medium settings it's FAIL.
I am sure that Vega 64 can do 50FPS on high settings:
Proof: <a href="https://youtu.be/tpBubGwj8Fo">https://youtu.be/tpBubGwj8Fo</a>
2) Shadow of the Tomb Raider
GFX Clocks and Power:
700 MHz (MCLK)
981 MHz (SCLK)
1269 MHz (PSTATE_SCLK)
700 MHz (PSTATE_MCLK)
818 mV (VDDGFX)
76.0 W (average GPU)
GPU Temperature: 74 C
GPU Load: 99 %
15 FPS on high settings it's better that in previous game, but I am sure that
Vega 64 can do 30FPS on more higher settings:
Proof: <a href="https://youtu.be/ZIA_GjcB8BQ?t=66">https://youtu.be/ZIA_GjcB8BQ?t=66</a>
So we see that Vega has 981 MHz instead of possible 1500 MHz and power
consumption 76.0 W instead of 240 W.
I can only guess why GPU consumer qualities were reduced.
# cat /sys/class/drm/card0/device/power_dpm_state
performance
# cat /sys/class/drm/card0/device/power_dpm_force_performance_level
auto</pre>
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