https://bugs.freedesktop.org/show_bug.cgi?id=92386
Bug ID: 92386
Summary: Integrated sensor on nv43 doesn't work (wrong vbios
parsing?)
Product: xorg
Version: git
Hardware: x86 (IA32)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Driver/nouveau
Assignee: [email protected]
Reporter: [email protected]
QA Contact: [email protected]
Created attachment 118799
--> https://bugs.freedesktop.org/attachment.cgi?id=118799&action=edit
hack for recognizing sensor on nv43
Hello, this is me again with my useful nv43.
As far as I can see nvidia binary driver can use integrated sensor on my card,
while nouveau can't. After some digging I found problem - nouveau can't find
some calibration coefficients in vbios. May be they missed completely, or bios
slightly misparsed. I'll attach again my vbios, and patch I made after looking
at nvclock sources [1]. Patch allow sensor to work, and reported temperature
roughly correspond to what I saw with binary driver (looking at raw output I
see nouveau still hotter than nvidia, but I can ignore this for now).
Not sure if such hack (?) should go into nouveau, or I (someone) better to find
if values really missed from vbios first.
Command for getting raw sensor value:
envytools/nva/nvapeek 0x15b4
[1] - http://www.linuxhardware.org/nvclock/
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