Bug 92024 - [SKL-S] DMC firmware fails to load
Summary: [SKL-S] DMC firmware fails to load
Status: CLOSED INVALID
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-09-16 17:00 UTC by Timo Aaltonen
Modified: 2017-07-24 22:45 UTC (History)
1 user (show)

See Also:
i915 platform: SKL
i915 features:

Attachments

Description Timo Aaltonen 2015-09-16 17:00:39 UTC 
Booting 4.3-rc1 or nightly on SKL-S results in

[    1.139104] [drm:i915_dump_device_info] i915 device info: gen=9, pciid=0x1912 rev=0x06 flags
=need_gfx_hws,is_skylake,has_fbc,has_hotplug,has_llc,has_ddi,
[    1.139115] [drm:intel_detect_pch] Found SunrisePoint PCH
[    1.139419] [drm:intel_csr_ucode_init] Loading i915/skl_dmc_ver1.bin
[    1.139434] i915 0000:00:02.0: Direct firmware load for i915/skl_dmc_ver1.bin failed with error -2
[    1.139448] [drm:i915_firmware_load_error_print [i915]] *ERROR* failed to load firmware i915/skl_dmc_ver1.bin (0)

the firmware is there though, and of the latest version.
Comment 1 Jani Nikula 2015-09-17 05:54:21 UTC 
(In reply to Timo Aaltonen from comment #0)
> Booting 4.3-rc1 or nightly on SKL-S results in
> 
> [    1.139104] [drm:i915_dump_device_info] i915 device info: gen=9,
> pciid=0x1912 rev=0x06 flags
> =need_gfx_hws,is_skylake,has_fbc,has_hotplug,has_llc,has_ddi,
> [    1.139115] [drm:intel_detect_pch] Found SunrisePoint PCH
> [    1.139419] [drm:intel_csr_ucode_init] Loading i915/skl_dmc_ver1.bin
> [    1.139434] i915 0000:00:02.0: Direct firmware load for
> i915/skl_dmc_ver1.bin failed with error -2
> [    1.139448] [drm:i915_firmware_load_error_print [i915]] *ERROR* failed to
> load firmware i915/skl_dmc_ver1.bin (0)
> 
> the firmware is there though, and of the latest version.

i915 loading at 1.139104 seems rather early, maybe you have i915 built-in but no firmware in initrd?
Comment 2 Timo Aaltonen 2015-09-17 07:38:18 UTC 
yeah, turns out i915 is included in initrd in some cases, but not others.. I'll file a distro bug to include the fw too then.

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.