rr BUG：SA6400型号official内核下DG1无法驱动

请填写以下信息.
Please fill in the following information.

Install ENV: (You can find it in the boot interface.)

DMI:
CPU: i7-8700k
NIC: (pid & vid)

RR version: (You can find it in the update menu.)

RR: 25.6.5
addons:
modules:
lkms:

DSM:

model: sa6400
version: DSM 7.2.2-72806 Update 3

Issue:
official内核下DG1无法驱动，但测试custom内核下DG1能够正常驱动，看目录：/lib/firmware/i915下固件也是有的 logs:
dmesg | grep i915 [ 7.005875] i915 0000:04:00.0: Force probing unsupported Device ID 4908, tainting kernel [ 7.007418] i915 0000:04:00.0: [drm] VT-d active for gfx access [ 7.007955] i915 0000:04:00.0: [drm] Local memory IO size: 0x00000000fb800000 [ 7.008540] i915 0000:04:00.0: [drm] Local memory available: 0x00000000fb800000 [ 7.031341] i915 0000:04:00.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=none [ 7.033100] i915 0000:04:00.0: [drm] Finished loading DMC firmware i915/dg1_dmc_ver2_02.bin (v2.2) [ 7.033522] i915 0000:04:00.0: [drm] ERROR GT0: GuC firmware i915/dg1_guc_70.bin: fetch failed -ENODEV [ 7.034612] i915 0000:04:00.0: [drm] GT0: GuC firmware(s) can be downloaded from https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 7.039885] RIP: 0010:intel_context_init+0x58/0x1a0 [i915] [ 7.048349] [] ? intel_context_create+0x2e/0x90 [i915] [ 7.048942] [] ? intel_engine_create_pinned_context+0x1e/0x150 [i915] [ 7.049637] [] ? intel_engines_init+0x32a/0x9d0 [i915] [ 7.050229] [] ? execlists_unwind_incomplete_requests+0x20/0x20 [i915] [ 7.050932] [] ? intel_gt_init+0x146/0x330 [i915] [ 7.051496] [] ? i915_gem_init+0x1d4/0x220 [i915] [ 7.052050] [] ? i915_driver_probe+0x721/0xc10 [i915] [ 7.057996] [] ? __init_backport+0x27/0x80 [i915] [ 7.062464] Modules linked in: kvm_intel(OE) kvm irqbypass coretemp(OE) rtc_cmos(OE) i2c_i801(OE) e1000e(OE+) i915(OE+) check_signature(OE) i2c_smbus(OE) drm_buddy(OE) intel_gtt(OE) drm_display_helper(OE) drm_kms_helper(OE) ttm(OE) drm(OE) drm_mipi_dsi(OE) drm_panel_orientation_quirks(OE) i915_compat(OE) dmabuf(OE) i2c_algo_bit(OE) thermal(OE+) evdev(OE) button(OE) acpi_cpufreq(OE) xhci_pci xhci_hcd uhci_hcd ehci_pci ehci_hcd usbcore usb_common [ 7.149767] RIP: 0010:intel_context_init+0x58/0x1a0 [i915]

(## 因为 log中存在 SN/MAC 等一些敏感信息, 当提供完整文件时请自行抹除他们, 当然你也可以发送到我的邮箱. ##)
(## Because the log contains some sensitive information such as SN/MAC, please delete them when providing the complete file. Of course, you can also send it to my email. ##)
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(请先看一下#173、#175、#226 的内容)
(Plz review the content of #173, #175, #226 first)
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(如果你只是说 XXX 不能用, 什么详细信息也不提供, 我也只能说感谢你的反馈.)
(If you just say XXX doesn't work without providing any details, I can only say thank you for your feedback.)
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