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| author | Timur Kristóf <timur.kristof@gmail.com> | 2025-09-26 20:26:13 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-10-13 14:14:14 -0400 |
| commit | 7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55 (patch) | |
| tree | 9e7986f130412ea64d756f28fe86e1749f80b4fe | |
| parent | 5c05bcf6ae7732da1bd4dc1958d527b5f07f216a (diff) | |
| download | linux-7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55.tar.gz linux-7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55.tar.bz2 linux-7bdd91abf0cb3ea78160e2e78fb58b12f6a38d55.zip | |
drm/amd: Disable ASPM on SI
Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4.
It's unclear if this is a platform-specific or GPU-specific issue.
Disable ASPM on SI for the time being.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 7a899fb4de29..3d032c4e2dce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1882,6 +1882,13 @@ static bool amdgpu_device_pcie_dynamic_switching_supported(struct amdgpu_device static bool amdgpu_device_aspm_support_quirk(struct amdgpu_device *adev) { + /* Enabling ASPM causes randoms hangs on Tahiti and Oland on Zen4. + * It's unclear if this is a platform-specific or GPU-specific issue. + * Disable ASPM on SI for the time being. + */ + if (adev->family == AMDGPU_FAMILY_SI) + return true; + #if IS_ENABLED(CONFIG_X86) struct cpuinfo_x86 *c = &cpu_data(0); |