<div dir="ltr"><div>Hi all,</div><div><br></div><div>(always trying to lower cpu temp)</div><br><div>kldloading drm and i915</div><div>has come to my attention this log line:</div><div><br></div><div>error: [drm:pid-1:csr_load_work_fn] *ERROR* Failed to load DMC firmware [<a href="https://01.org/linuxgraphics/intel-linux-graphics-firmwares">https://01.org/linuxgraphics/intel-linux-graphics-firmwares</a>], disabling runtime power management.</div><div><br></div><div>Is this a normal behaviour in DFly?</div><div><br></div><div><br></div><div>from messages:</div><div><br></div><div>Sep 16 09:04:35 amidatacyber730 kernel: drm1 on vgapci1<br></div><div><div>Sep 16 09:04:35 amidatacyber730 kernel: [drm] pdev: vendor=0x8086 device=0x191b rev=0x06</div><div>Sep 16 09:04:35 amidatacyber730 kernel: [drm] svendor=0x17aa sdevice=0x5050 irq=17</div><div>Sep 16 09:04:35 amidatacyber730 kernel: _pci_get_rle: dinfo was NULL, trying again with parent</div><div>Sep 16 09:04:35 amidatacyber730 kernel: pci_resource_len(0x191b, 0x10) = 0x1000000</div><div>Sep 16 09:04:35 amidatacyber730 kernel: WARN_ON(domain->wake_count == 0)<4>WARN_ON(domain->wake_count == 0)<4>WARN_ON(domain->wake_count == 0)_pci_get_rle: dinfo was NULL, trying again with parent</div><div>Sep 16 09:04:35 amidatacyber730 kernel: pci_resource_len(0x191b, 0x18) = 0x10000000</div><div>Sep 16 09:04:35 amidatacyber730 kernel: _pci_get_rle: dinfo was NULL, trying again with parent</div><div>Sep 16 09:04:35 amidatacyber730 kernel: pci_resource_len(0x191b, 0x10) = 0x1000000</div><div>Sep 16 09:04:35 amidatacyber730 kernel: [drm] Memory usable by graphics device = 4096M</div><div>Sep 16 09:04:35 amidatacyber730 kernel: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).</div><div>Sep 16 09:04:35 amidatacyber730 kernel: [drm] Driver supports precise vblank timestamp query.</div><div>Sep 16 09:04:35 amidatacyber730 kernel: i915/skl_dmc_ver1.bin: could not load firmware image, error 2</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.eDP-1 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: error: [drm:pid-1:csr_load_work_fn] *ERROR* Failed to load DMC firmware [<a href="https://01.org/linuxgraphics/intel-linux-graphics-firmwares">https://01.org/linuxgraphics/intel-linux-graphics-firmwares</a>], disabling runtime power management.</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.DP-1 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.HDMI-A-1 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.DP-2 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.HDMI-A-2 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.DP-3 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: tunable drm.video.HDMI-A-3 is not set</div><div>Sep 16 09:04:35 amidatacyber730 kernel: drm1: taking over the fictitious range 0xe0000000-0xf0000000</div><div>Sep 16 09:04:35 amidatacyber730 kernel: kms console: xpixels 1920 ypixels 1080</div><div>Sep 16 09:04:36 amidatacyber730 kernel: [drm] Initialized i915 1.6.0 20160425</div><div>Sep 16 09:04:37 amidatacyber730 kernel: [drm] RC6 on</div><div>Sep 16 09:04:38 amidatacyber730 kernel: md2: Malloc disk</div></div><div><br></div><div><br></div><div><div># uname -a</div><div>DragonFly amidatacyber730.mia.casa 4.8-RELEASE DragonFly v4.8.1.5.g69508-RELEASE #0: Thu Aug 24 17:52:27 UTC 2017 root@amidatacyber730.mia.casa:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64</div></div><div><br></div><div><br></div><div>Luca</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2017-06-12 23:00 GMT+02:00 Luca Franchini <span dir="ltr"><<a href="mailto:calicant@gmail.com" target="_blank">calicant@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><span class=""><br><div class="gmail_extra" dir="auto"><div class="gmail_quote"><blockquote class="m_-294503985020215526quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="m_-294503985020215526quoted-text">
<br></div>
It should help, Imre pushed it to fix excessive power consumption he saw on a Broadwell machine.<br>
<br>
It is not enough by itself though, something is deeply wrong with Skylake mobile platforms.</blockquote></div></div><div dir="auto"><br></div></span><div dir="auto"><div dir="auto">This does not bring comfort...</div><div dir="auto"><br></div><div dir="auto">After kldloading i915</div><div dir="auto">the two kernel settings</div><div dir="auto">made cpu0 idle again</div><div dir="auto">but acpi interrupts counts remain high</div><span class="HOEnZb"><font color="#888888"><div dir="auto"><br></div><div dir="auto">Luca</div></font></span></div></div>
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