** Description changed:

  [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 with wx3200(Polaris series) and wx5500(Navi series).
+ 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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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:
  In Progress

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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