This bug was fixed in the package linux-firmware - 1.183.4
---------------
linux-firmware (1.183.4) eoan; urgency=medium
* Fix throttled clock on AMD Oland (LP: #1858751)
- radeon: update oland rlc microcode from amdgpu
* intel/sof: update the intel sof firmware to v1.3-0f73628 for cml and cnl
(LP: #1859387)
- SAUCE: Update cml and cnl sof firmware files to v1.3-0f73628
-- Seth Forshee <seth.fors...@canonical.com> Wed, 29 Jan 2020 13:12:52
-0600
** Changed in: linux-firmware (Ubuntu Eoan)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1858751
Title:
Fix throttled clock on AMD Oland
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-firmware source package in Bionic:
Fix Committed
Status in linux-firmware source package in Eoan:
Fix Released
Status in linux-firmware source package in Focal:
Fix Released
Bug description:
[Impact]
Running simple 3D apps like glxgears in 4K becomes really sluggish.
[Fix]
Update rlc microcode to its latest version.
[Test]
Run `glxgears -fullscreen` on 4K monitor. The issue disappears after
this firmware update.
[Regression Potential]
Low. The firmware is already used by amdgpu.ko for a while, now we also
use it for radeon.ko.
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