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alogim
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PostPosted: Thu Jul 04, 2019 7:17 am    Post subject: intel_guc_loader.c does not exist Reply with quote

I have an 8th generation Kaby Lake R processor, more specifically an Intel Core i7-8550U. When I try and run
Code:
grep -B 1 'MODULE_FIRMWARE.*KBL' drivers/gpu/drm/i915/intel_guc_loader.c drivers/gpu/drm/i915/intel_csr.c
from the /usr/src/linux directory, it gives me the following output:
Code:
grep: drivers/gpu/drm/i915/intel_guc_loader.c: No such file or directory
drivers/gpu/drm/i915/intel_csr.c-#define I915_CSR_KBL "i915/kbl_dmc_ver1_04.bin"
drivers/gpu/drm/i915/intel_csr.c:MODULE_FIRMWARE(I915_CSR_KBL);
Indeed if I navigate to /usr/src/linux/drivers/gpu/drm/i915 there is no such file as intel_guc_loader.c. Is this normal?
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Maitreya
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PostPosted: Thu Jul 04, 2019 8:17 am    Post subject: Reply with quote

Not since two years: https://lkml.org/lkml/2017/12/27/470
Do you have any more information (kernel version etc)?
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alogim
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PostPosted: Thu Jul 04, 2019 8:34 am    Post subject: Reply with quote

Maitreya wrote:
Not since two years: https://lkml.org/lkml/2017/12/27/470
Do you have any more information (kernel version etc)?

My CPU is the following: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
My kernel version is the following: Linux gentooser2 4.19.27-gentoo-r1 #17 SMP Wed May 22 13:02:49 CEST 2019 x86_64 Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz GenuineIntel GNU/Linux
My linux firmware version is the following one:
Code:
sys-kernel/linux-firmware-20190620::gentoo was built with the following: redistributable -savedconfig (-unknown-license)" ABI_X86="(64)"

Actually, in that page they say they renamed intel_guc_loader.c to intel_guc_fw.c, but the wiki page about Intel tells to use the command I written in the post above. I just checked and I have intel_guc_fw.c.
So, what do I have to include?
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alogim
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PostPosted: Sun Jul 07, 2019 12:25 pm    Post subject: Reply with quote

So, what should I do? I am rather confused.
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Maitreya
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PostPosted: Sun Jul 07, 2019 3:53 pm    Post subject: Reply with quote

Why are you running:
Code:

grep -B 1 'MODULE_FIRMWARE.*KBL' drivers/gpu/drm/i915/intel_guc_loader.c drivers/gpu/drm/i915/intel_csr.c


What wiki?

And so far: Yes, I think you should replace that command as the wiki might be outdated and that file got renamed, as per your:
Code:

grep: drivers/gpu/drm/i915/intel_guc_loader.c: No such file or directory
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alogim
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Joined: 21 Aug 2015
Posts: 127

PostPosted: Wed Jul 24, 2019 6:52 am    Post subject: Reply with quote

Maitreya wrote:
Why are you running:
Code:

grep -B 1 'MODULE_FIRMWARE.*KBL' drivers/gpu/drm/i915/intel_guc_loader.c drivers/gpu/drm/i915/intel_csr.c


What wiki?
The main Gentoo wiki, as you can see here. There, an example for Skylake is reported, but my architecture is Kabylake, so I adapted it for my case.
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