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Revert "drm/amd: Check if ASPM is enabled from PCIe subsystem"

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This reverts commit 7294863a6f.

This commit was erroneously applied again after commit 0ab5d711ec
("drm/amd: Refactor `amdgpu_aspm` to be evaluated per device")
removed it, leading to very hard to debug crashes, when used with a system with two
AMD GPUs of which only one supports ASPM.

Link: https://lore.kernel.org/linux-acpi/20251006120944.7880-1-spasswolf@web.de/
Link: https://github.com/acpica/acpica/issues/1060
Fixes: 0ab5d711ec ("drm/amd: Refactor `amdgpu_aspm` to be evaluated per device")
Signed-off-by: Bert Karwatzki <spasswolf@web.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 97a9689300)
Cc: stable@vger.kernel.org
This commit is contained in:
Bert Karwatzki
2026-02-01 01:24:45 +01:00
committed by Alex Deucher
parent 1478a34470
commit 243b467dea
1 changed files with 0 additions and 3 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
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@@ -2405,9 +2405,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
return -ENODEV;
}
if (amdgpu_aspm == -1 && !pcie_aspm_enabled(pdev))
amdgpu_aspm = 0;
if (amdgpu_virtual_display ||
amdgpu_device_asic_has_dc_support(pdev, flags & AMD_ASIC_MASK))
supports_atomic = true;