is in focal-proposed now, please test
** Changed in: linux-firmware (Ubuntu Focal)
Status: In Progress => Fix Committed
** Tags added: verification-needed-focal
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https://bugs.launchpad.net/bugs/1926236
Title:
Fix The sound has noise while audio volume is maximum
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
New
Status in linux-firmware source package in Focal:
Fix Committed
Bug description:
[Impact]
The sound has noise while turning the audio volume to maximum
[Fix]
For VEGA & Polaris, need two patches(landed on mainline kernel) to fix and a
modprobe
1.(50ceb1fe7a) drm/amd/pm: bug fix for pcie dpm, has landed on oem kernel.
2.(9d03730ecb) drm/amd/pm: workaround for audio noise issue, has landed on
oem kernel
3. #modprobe amdgpu ppfeaturemask=0xfff7bffb.
For Navi_1x, need smc firmware to fix.
1. (4fe6e53b96 linux-firmware) amdgpu: update navi10 SMC firmware
1. (8ab7abaf63 linux-firmware) amdgpu: update navi14 SMC firmware
[Test]
Verified on RKL platform
A. with wx3200(Polaris series) and the following configuration
1. With these two patch,
1.1. (50ceb1fe7a) drm/amd/pm: bug fix for pcie dpm, has landed on oem kernel.
1.2. (9d03730ecb) drm/amd/pm: workaround for audio noise issue, has landed on
oem kernel
2. doesn't append ppfeaturemask=0xfff7bffb
Can't observe issue.
B. With wx5500(Navi series) and update the related firmware,
Can't observe issue
[Where problems could occur]
Because disabling DPM, the power consumption would be slightly higher.
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