Lost hardware graphics acceleration (prior to 15.0 upgrading)

T-Aoki said:
Have you read this? Written by Ausitn, who developed the DRM part of nvidia drivers.
Click to expand...
Yes, I was following this in early 2024 before it begun to work fine (my related "working" post is on august 2024) :
Perceval

Solved Post in thread 'Optimus nVidia/Intel (MSI GL65) : unable to get dual screen to work'

I GOT IT TO WORK !! (only took me one year ; I have better experience, that helps a lot...)

Today, I tried new things as some package upgrade crashed my X unclean "dual screen" setup on XFCE (internal screen working, external black with the mouse moving on it) and I eventually make the dual screen to work on this model, testing progressively lots of my manually made Xorg conf files, which are now useless (target achieved). Here are my working setup, I hope it can help other MSI laptop users.
Works for me on 14.1-RELEASE-p3 on XFCE4.
The only caveat I noticed is that it overheats a bit...
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Here are my latest tests regarding only the i915kms part :
  • empty kldlist or with "drm" only : X starts, running LLVM, on the laptop screen only.
  • kldlist with "i915kms" only : X won't start. Connection refused, cannot run in framebuffer.
I'm not sure the nvidia part is the problem.
 
On my Fujitsu Celsius H7510 laptop, I can switch off OPTIMUS mode in BIOS setup. and only use the included Nvidia quadro T1000 mobile GPU.
Issue here seems to be the conflict between the two GPUs.
Can you disable OPTIMUS mode on this laptop ?
 
drsnx60 said:
On my Fujitsu Celsius H7510 laptop, I can switch off OPTIMUS mode in BIOS setup. and only use the included Nvidia quadro T1000 mobile GPU.
Issue here seems to be the conflict between the two GPUs.
Can you disable OPTIMUS mode on this laptop ?
Click to expand...
Not possible on my laptop.
 
T-Aoki said:
If you have an external monitor and your laptop can allow any of external output dedicated to nvidia dGPU, how does it go via the port?
Click to expand...
it seems strangely wired inside this model. As stated in my another thread, the iGPU manages only the laptop screen. All the external ouputs (HDMI, DP) are managed by the dGPU. It's how it works on Windows too (I have a white/orange led telling which GPU is in use : using laptop only, it's white, turning orange only while using dGPU, for instance some 3D software ; but the led will stay static orange if i connect anything on external output, even doing nothing).

Would this from dmesg be helpful ?
Code: 
[drm] Got Intel graphics stolen memory base 0x0, size 0x0
 
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