Date: Wed, 1 Feb 2023 23:36:01 -1000 From: "parv/FreeBSD" <parv.0zero9+freebsd@gmail.com> To: freebsd-current@freebsd.org Subject: Re: Could not change brightness anymore with i915kms & acpi_video modules c 202211 Message-ID: <CABObuOoik3j_fsM=LciqRC8QrjJAs4o-hBYU_ZDE9wx=WJBBVw@mail.gmail.com> In-Reply-To: <CABObuOoUDHrUF6FyTwEXTrnt3ztkoAR4x5vzjcNp7H-4F4XE7A@mail.gmail.com> References: <CABObuOoUDHrUF6FyTwEXTrnt3ztkoAR4x5vzjcNp7H-4F4XE7A@mail.gmail.com>
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[-- Attachment #1 --] I should have requested in OP to CC to me as I have subscribed to -current@ list without receiving email. So here is my attempt to craft a reponse from the web page ... https://lists.freebsd.org/archives/freebsd-current/2023-January/003142.html > Oleksandr Kryvulia wrote on 20230131-092359 UTC > > 31.01.23 09:52, parv/FreeBSD пише: > > > > Since around 2022-11, I am unable to change display brightness > > of the display of a Framework laptop (Intel i5-1135G7, Iris > > Xe iGPU) with "i915kms" module (from "drm-510-kmod" package/port) > > & "acpi_video" (FreeBSD) kernel module. > > > > Earlier I was able to change brightness via "hw.acpi.video" MIB ... > > > > # - Need to have both "i915kms" & "acpi_video" modules already loaded. > > # > > # 20221120 - These MIBs do not work anymore as they are missing. > > hw.acpi.video.lcd0.economy=10 > > hw.acpi.video.lcd0.fullpower=40 > > hw.acpi.video.lcd0.brightness=15 ... > Does backlight(8) works for you? Thanks for the clue. It does! It does ... - I get the same number back via "backlight" without any arguments as what I gave it earlier. There was no reporting of value being subtracted by one; - with 0, everything was near-black, dark enough for not being able to read anything on the console; - with 100, screen was surely damn bright *oh my eyes* - unlike Poul-Hennig K's experience ... https://lists.freebsd.org/archives/freebsd-current/2023-January/003143.html ... when running with & without AC (for short periods) I did not see any change in "backlight" behaviour. The brightness did not change unless I had changed it myself. Thanks again. FreeBSD here is ... FreeBSD luna 14.0-CURRENT FreeBSD 14.0-CURRENT #6 main-n260169-34ac629b40e6: Fri Jan 20 07:05:01 HST 2023 root@luna:/build/world/freebsd/src/amd64.amd64/sys/GENERIC-Light amd64 - parv -- [-- Attachment #2 --] <div dir="ltr"><div class="gmail_default" style="font-family:monospace">I should have requested in OP to CC to me as I have subscribed to<br>-current@ list without receiving email.<br><br>So here is my attempt to craft a reponse from the web page ...<br><br> <a href="https://lists.freebsd.org/archives/freebsd-current/2023-January/003142.html">https://lists.freebsd.org/archives/freebsd-current/2023-January/003142.html</a><br><br><br>> Oleksandr Kryvulia wrote on 20230131-092359 UTC<br>><br>> 31.01.23 09:52, parv/FreeBSD пише:<br>> ><br>> > Since around 2022-11, I am unable to change display brightness<br>> > of the display of a Framework laptop (Intel i5-1135G7, Iris<br>> > Xe iGPU) with "i915kms" module (from "drm-510-kmod" package/port)<br>> > & "acpi_video" (FreeBSD) kernel module.<br>> ><br>> > Earlier I was able to change brightness via "hw.acpi.video" MIB ...<br>> ><br>> > # - Need to have both "i915kms" & "acpi_video" modules already loaded.<br>> > #<br>> > # 20221120 - These MIBs do not work anymore as they are missing.<br>> > hw.acpi.video.lcd0.economy=10<br>> > hw.acpi.video.lcd0.fullpower=40<br>> > hw.acpi.video.lcd0.brightness=15<br>...<br>> Does backlight(8) works for you?<br><br>Thanks for the clue. It does! It does ...<br><br>- I get the same number back via "backlight" without any arguments as<br> what I gave it earlier. There was no reporting of value being<br> subtracted by one;<br><br>- with 0, everything was near-black, dark enough for not being able to<br> read anything on the console;<br><br>- with 100, screen was surely damn bright *oh my eyes*<br><br>- unlike Poul-Hennig K's experience ...<br><br>  <a href="https://lists.freebsd.org/archives/freebsd-current/2023-January/003143.html">https://lists.freebsd.org/archives/freebsd-current/2023-January/003143.html</a><br><br> ... when running with & without AC (for short periods) I did not see<br> any change in "backlight" behaviour. The brightness did not change<br> unless I had changed it myself.<br><br>Thanks again.<br><br><br>FreeBSD here is ...<br><br> FreeBSD luna 14.0-CURRENT FreeBSD 14.0-CURRENT #6<br> main-n260169-34ac629b40e6: Fri Jan 20 07:05:01 HST 2023<br> root@luna:/build/world/freebsd/src/amd64.amd64/sys/GENERIC-Light<br> amd64<br><br><br>- parv<br><br>-- <br><br></div></div>help
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