This bug was fixed in the package linux-firmware - 1.187.8
---------------
linux-firmware (1.187.8) focal; urgency=medium
* Failed to load DMC firmware i915/tgl_dmc_ver2_08.bin (LP: #1908366)
- i915: Add DMC firmware 2.08 for TGL
* Fix Realtek 8821c bluetooth fails reconnect BLE devices after suspend
(LP: #1909705)
- rtl_bt: Update RTL8821C BT(USB I/F) FW to 0x829a_7644
-- Seth Forshee <seth.fors...@canonical.com> Thu, 07 Jan 2021 09:52:55
-0600
** Changed in: linux-firmware (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1908366
Title:
Failed to load DMC firmware i915/tgl_dmc_ver2_08.bin
Status in HWE Next:
New
Status in OEM Priority Project:
New
Status in linux-firmware package in Ubuntu:
Invalid
Status in linux-firmware source package in Focal:
Fix Released
Bug description:
[Impact]
It shows the firmware is missing, and runtime power management has been
disabled.
[ 1.884400] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 1.887078] i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 1.887161] i915 0000:00:02.0: Direct firmware load for
i915/tgl_dmc_ver2_08.bin failed with error -2
[ 1.887164] i915 0000:00:02.0: [drm] Failed to load DMC firmware
i915/tgl_dmc_ver2_08.bin. Disabling runtime power management.
[ 1.887165] i915 0000:00:02.0: [drm] DMC firmware homepage:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915
[Fix]
cherry picked from linux-firmware
bdf8d7a8 i915: Add DMC firmware 2.08 for TGL
BTW, groovy has this commit already.
[Test]
Verified on Dell's machine
[Where problems could occur]
It's a new firmware for new GPU, not possible to introduce regressions.
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