thanks for the fix.What do I need to do to implement this fix?Please adviseLevi

    On Monday, September 2, 2019, 1:30:54 AM PDT, Kai-Heng Feng <email address hidden> wrote:  
 
 ** Description changed:

- It's most likely amdgup driver needs an upgrade. Problem occurs since
- kernel upgrade to 5.0
+ === SRU Justification ===
+ [Impact]
+ Screen freeze after S3 on AMD Stoney Ridge.
+ 
+ [Fix]
+ Pin the VRAM so it won't contain garbage data after S3.
+ 
+ [Test]
+ After applying this patch I can confirm the issue is gone on Dell
+ Inspiron 3180, a Stoney Ridge laptop.
+ 
+ [Regression Potential]
+ Low. This patch only touched a small subset of amdgpu.
+ 
+ === Original Bug Report ===
+ It's most likely amdgup driver needs an upgrade. Problem occurs since kernel upgrade to 5.0
  
  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: xorg 1:7.7+19ubuntu12
  ProcVersionSignature: Ubuntu 5.0.0-18.19-generic 5.0.12
  Uname: Linux 5.0.0-18-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CompositorRunning: None
  Date: Thu Jun 20 13:46:46 2019
  DistUpgraded: Fresh install
  DistroCodename: disco
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
-  Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] [1002:98e4] (rev eb) (prog-if 00 [VGA controller])
-    Subsystem: Dell Stoney [Radeon R2/R3/R4/R5 Graphics] [1028:087e]
+  Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] [1002:98e4] (rev eb) (prog-if 00 [VGA controller])
+    Subsystem: Dell Stoney [Radeon R2/R3/R4/R5 Graphics] [1028:087e]
  InstallationDate: Installed on 2019-06-06 (14 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: Dell Inc. Inspiron 3180
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-18-generic root=UUID=a16bd163-e82f-4ec1-9c5f-c9bd32e225fa ro
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/09/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.0
  dmi.board.name: 0918N8
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 1.3.0
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.0:bd03/09/2018:svnDellInc.:pnInspiron3180:pvr1.3.0:rvnDellInc.:rn0918N8:rvrA00:cvnDellInc.:ct10:cvr1.3.0:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 3180
  dmi.product.sku: 087E
  dmi.product.version: 1.3.0
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.97-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

** Changed in: xserver-xorg-video-amdgpu (Ubuntu)
      Status: Confirmed => Invalid

** Also affects: linux (Ubuntu Eoan)
  Importance: Undecided
    Assignee: Kai-Heng Feng (kaihengfeng)
      Status: Confirmed

** Also affects: xserver-xorg-video-amdgpu (Ubuntu Eoan)
  Importance: Undecided
      Status: Invalid

** Also affects: linux (Ubuntu Disco)
  Importance: Undecided
      Status: New

** Also affects: xserver-xorg-video-amdgpu (Ubuntu Disco)
  Importance: Undecided
      Status: New

** Changed in: linux (Ubuntu Eoan)
    Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)

** No longer affects: xserver-xorg-video-amdgpu (Ubuntu)

-- 
You received this bug notification because you are subscribed to the bug
report.
https://bugs.launchpad.net/bugs/1833617

Title:
  [amdgpu] screen freeze after suspend

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Disco:
  New
Status in xserver-xorg-video-amdgpu source package in Disco:
  New
Status in linux source package in Eoan:
  Confirmed
Status in xserver-xorg-video-amdgpu source package in Eoan:
  Invalid

Bug description:
  === SRU Justification ===
  [Impact]
  Screen freeze after S3 on AMD Stoney Ridge.

  [Fix]
  Pin the VRAM so it won't contain garbage data after S3.

  [Test]
  After applying this patch I can confirm the issue is gone on Dell
  Inspiron 3180, a Stoney Ridge laptop.

  [Regression Potential]
  Low. This patch only touched a small subset of amdgpu.

  === Original Bug Report ===
  It's most likely amdgup driver needs an upgrade. Problem occurs since kernel upgrade to 5.0

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: xorg 1:7.7+19ubuntu12
  ProcVersionSignature: Ubuntu 5.0.0-18.19-generic 5.0.12
  Uname: Linux 5.0.0-18-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CompositorRunning: None
  Date: Thu Jun 20 13:46:46 2019
  DistUpgraded: Fresh install
  DistroCodename: disco
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] [1002:98e4] (rev eb) (prog-if 00 [VGA controller])
     Subsystem: Dell Stoney [Radeon R2/R3/R4/R5 Graphics] [1028:087e]
  InstallationDate: Installed on 2019-06-06 (14 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: Dell Inc. Inspiron 3180
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-18-generic root=UUID=a16bd163-e82f-4ec1-9c5f-c9bd32e225fa ro
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/09/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.0
  dmi.board.name: 0918N8
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 1.3.0
  dmi.modalias: dmi:bvnDellInc.:bvr1.3.0:bd03/09/2018:svnDellInc.:pnInspiron3180:pvr1.3.0:rvnDellInc.:rn0918N8:rvrA00:cvnDellInc.:ct10:cvr1.3.0:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 3180
  dmi.product.sku: 087E
  dmi.product.version: 1.3.0
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.97-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.2-1ubuntu1.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.4-1ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1833617/+subscriptions