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    Intel iGPU passthough

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    • O Offline
      ovicz @vhaelan
      last edited by

      @vhaelan Hello. What's the output of rpm -qa | grep intel-gpu-firmware ?

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      • V Offline
        vhaelan @ovicz
        last edited by

        @ovicz said in Intel iGPU passthough:

        rpm -qa | grep intel-gpu-firmware

        Hello @ovicz, I see the following: intel-gpu-firmware-20251021-1.fc43.noarch

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        • O Offline
          ovicz @vhaelan
          last edited by ovicz

          @vhaelan Is the intel graphics module loaded ?

          lsmod | grep i915
          i915 5373952 24
          drm_buddy 32768 2 xe,i915
          ttm 135168 3 drm_ttm_helper,xe,i915
          i2c_algo_bit 20480 2 xe,i915
          drm_display_helper 331776 2 xe,i915
          cec 106496 3 drm_display_helper,xe,i915
          video 81920 2 xe,i91

          sudo dmesg | grep i915
          [ 5.855595] i915 0000:00:08.0: [drm] Found alderlake_p/alderlake_n (device ID 46d1) integrated display version 13.00 stepping D0
          [ 5.858477] i915 0000:00:08.0: [drm] VT-d active for gfx access
          [ 5.858739] i915 0000:00:08.0: [drm] Using Transparent Hugepages
          [ 5.859307] i915 0000:00:08.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x4556
          [ 5.859312] i915 0000:00:08.0: [drm] Failed to find VBIOS tables (VBT)
          [ 5.860012] i915 0000:00:08.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=none:owns=io+mem
          [ 5.878556] i915 0000:00:08.0: [drm] Finished loading DMC firmware i915/adlp_dmc.bin (v2.20)
          [ 7.806109] i915 0000:00:08.0: [drm] [ENCODER:204:DDI A/PHY A] failed to retrieve link info, disabling eDP
          [ 7.843768] i915 0000:00:08.0: [drm] GT0: GuC firmware i915/tgl_guc_70.bin version 70.49.4
          [ 7.843776] i915 0000:00:08.0: [drm] GT0: HuC firmware i915/tgl_huc.bin version 7.9.3
          [ 7.849282] i915 0000:00:08.0: [drm] GT0: HuC: authenticated for all workloads
          [ 7.850868] i915 0000:00:08.0: [drm] GT0: GUC: submission enabled
          [ 7.850874] i915 0000:00:08.0: [drm] GT0: GUC: SLPC enabled
          [ 7.851225] i915 0000:00:08.0: [drm] GT0: GUC: RC enabled
          [ 7.852797] i915 0000:00:08.0: [drm] Protected Xe Path (PXP) protected content support initialized
          [ 7.854314] i915 0000:00:08.0: [drm] Registered 3 planes with drm panic
          [ 7.854318] [drm] Initialized i915 1.6.0 for 0000:00:08.0 on minor 1

          Also see in /etc/default/grub if there is NOMODESET in GRUB_CMDLINE_LINUX line.

          That's from my Fedora 43 vm with passthrough enabled.

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          • V Offline
            vhaelan @ovicz
            last edited by

            @ovicz Yes, it's loaded

            lsmod | grep i915
i915                 5373952  0
i2c_algo_bit           20480  2 xe,i915
drm_buddy              32768  2 xe,i915
video                  81920  2 xe,i915
ttm                   135168  3 drm_ttm_helper,xe,i915
drm_display_helper    331776  2 xe,i915
cec                   106496  3 drm_display_helper,xe,i915

            dmesg starts the same as your output, the only difference is that I have GuC disabled.

            dmesg | grep i915
[    1.609000] i915 0000:00:08.0: [drm] Found alderlake_s (device ID 4690) integrated display version 12.00 stepping C0
[    1.609986] i915 0000:00:08.0: [drm] VT-d active for gfx access
[    1.610073] i915 0000:00:08.0: [drm] Using Transparent Hugepages
[    1.611342] i915 0000:00:08.0: Invalid PCI ROM header signature: expecting 0xaa55, got 0x4556
[    1.611345] i915 0000:00:08.0: [drm] Failed to find VBIOS tables (VBT)
[    1.612136] i915 0000:00:08.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=none:owns=io+mem
[    1.614455] i915 0000:00:08.0: [drm] Finished loading DMC firmware i915/adls_dmc_ver2_01.bin (v2.1)
[    3.583673] i915 0000:00:08.0: [drm] [ENCODER:261:DDI A/PHY A] failed to retrieve link info, disabling eDP
[    3.605422] i915 0000:00:08.0: [drm] GT0: GuC firmware i915/tgl_guc_70.bin version 70.49.4
[    3.605426] i915 0000:00:08.0: [drm] GT0: HuC firmware i915/tgl_huc.bin version 7.9.3
[    3.615402] i915 0000:00:08.0: [drm] GT0: HuC: authenticated for all workloads
[    3.615410] i915 0000:00:08.0: [drm] GT0: GUC: submission disabled
[    3.615414] i915 0000:00:08.0: [drm] GT0: GUC: SLPC disabled
[    3.616508] i915 0000:00:08.0: [drm] Protected Xe Path (PXP) protected content support initialized
[    3.617330] i915 0000:00:08.0: [drm] Registered 4 planes with drm panic
[    3.617354] [drm] Initialized i915 1.6.0 for 0000:00:08.0 on minor 1
[    3.627390] i915 0000:00:08.0: [drm] Cannot find any crtc or sizes
[    3.637349] i915 0000:00:08.0: [drm] Cannot find any crtc or sizes
[    3.657358] i915 0000:00:08.0: [drm] Cannot find any crtc or sizes

            Having edited /etc/modprobe.d/i915.conf by adding options i915 enable_guc=3 enable_huc=1 fixed the GuC part as well, however I still have the same issue. Cannot find any crtc or sizes is the only part which is not in your output.

            /etc/default/grub is clean, I don't have NOMODESET:

            cat /etc/default/grub
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)"
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT="console"
GRUB_CMDLINE_LINUX="rd.lvm.lv=fedora/root rhgb quiet"
GRUB_DISABLE_RECOVERY="true"
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