Message ID | 20210930094234.740635-1-acelan.kao@canonical.com |
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Headers | show
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It hangs while booting up with AMD W6800 [1002:73A3]
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From: "Chia-Lin Kao (AceLan)" <acelan.kao@canonical.com> BugLink: https://bugs.launchpad.net/bugs/1945553 [Impact] It hangs when booting up with AMD W6800 [1002:73A3] graphics card. [Fix] Bisect the kernel and found below fix from v5.15-rc1 mainline kernel 5810323ba692 drm/amd/pm: Fix a bug communicating with the SMU (v5) [Test] Verified the patch on a Dell workstation with AMD W6800 graphics card [Where problems could occur] The code flow doesn't change much, but with better return codes handling and print out more meaningful messages. So it should not impact the already working devices. Andrey Grodzovsky (1): drm/amdgpu: Rename flag which prevents HW access Luben Tuikov (1): drm/amd/pm: Fix a bug communicating with the SMU (v5) drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 +- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 4 +- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 2 +- drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 290 +++++++++++++++++---- drivers/gpu/drm/amd/pm/swsmu/smu_cmn.h | 3 +- 6 files changed, 252 insertions(+), 55 deletions(-)