1. 16 Oct, 2020 3 commits
    • Huang Rui's avatar
      drm/amdgpu/display: fix the NULL pointer reference on dmucb on dcn301 · f9dbefa8
      Huang Rui authored
      DCN301 needs to use dmub create abm instance instead of dce.
      
      [ 1138.854204] BUG: kernel NULL pointer dereference, address: 0000000000000000
      [ 1138.854206] #PF: supervisor instruction fetch in kernel mode
      [ 1138.854207] #PF: error_code(0x0010) - not-present page
      [ 1138.854208] PGD 0 P4D 0
      [ 1138.854212] Oops: 0010 [#1] SMP NOPTI
      [ 1138.854216] CPU: 6 PID: 1240 Comm: modprobe Tainted: G        W  OE     5.9.0-rc2-custom #1
      [ 1138.854217] Hardware name: AMD Chachani-VN/Chachani-VN, BIOS BAerithA104 10/01/2020
      [ 1138.854221] RIP: 0010:0x0
      [ 1138.854224] Code: Bad RIP value.
      [ 1138.854226] RSP: 0018:ffffc90001c4f638 EFLAGS: 00010286
      [ 1138.854228] RAX: 0000000000000000 RBX: ffff88804f2b2800 RCX: ffffc90001c4f740
      [ 1138.854229] RDX: 00000000000000e8 RSI: ffffc90001c4f640 RDI: ffff88805816f300
      [ 1138.854230] RBP: ffffc90001c4f850 R08: ffffc90001c4f644 R09: ffffc90001c4f654
      [ 1138.854231] R10: ffffc90001c4f72c R11: ffffc90001c4f740 R12: ffffc90001c4f640
      [ 1138.854232] R13: ffffc90001c4f728 R14: 0000000000000000 R15: ffff888007296381
      [ 1138.854235] FS:  00007f5f44d84540(0000) GS:ffff88805e380000(0000) knlGS:0000000000000000
      [ 1138.854236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
      [ 1138.854237] CR2: ffffffffffffffd6 CR3: 00000000194f4000 CR4: 0000000000050ee0
      [ 1138.854239] Call Trace:
      [ 1138.854447]  dmub_init_abm_config+0x220/0x267 [amdgpu]
      [ 1138.854654]  dm_late_init+0x197/0x1ad [amdgpu]
      [ 1138.854846]  ? dm_late_init+0x197/0x1ad [amdgpu]
      [ 1138.854999]  amdgpu_device_ip_late_init+0x6f/0x21b [amdgpu]
      [ 1138.855148]  amdgpu_device_init+0x1b7f/0x1cfb [amdgpu]
      [ 1138.855293]  amdgpu_driver_load_kms+0x2c/0x26e [amdgpu]
      [ 1138.855437]  amdgpu_pci_probe+0x1c7/0x249 [amdgpu]
      [ 1138.920489]  local_pci_probe+0x48/0x80
      [ 1138.920492]  pci_device_probe+0x10f/0x1c0
      Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
      Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      f9dbefa8
    • Yifan Zhang's avatar
      drm/amd/display: add S/G support for Renoir · f0c746ce
      Yifan Zhang authored
      S/G (scatter/gather) display support for display
      buffers in system memory.
      Signed-off-by: default avatarYifan Zhang <yifan1.zhang@amd.com>
      Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
      Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      f0c746ce
    • Yifan Zhang's avatar
      drm/amd/display: setup system context in dm_init · c0fb85ae
      Yifan Zhang authored
      [why]
      display S/G mode fails in Renoir
      
      [how]
      Setup system context in dm init.
      Signed-off-by: default avatarYifan Zhang <yifan1.zhang@amd.com>
      Reviewed-by: default avatarNicholas Kazlauskas <nicholas.kazlauskas@amd.com>
      Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
      c0fb85ae
  2. 15 Oct, 2020 14 commits
  3. 14 Oct, 2020 11 commits
  4. 12 Oct, 2020 12 commits