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| author |   Mario Limonciello <mario.limonciello@amd.com> | 2022-02-16 23:19:58 -0600 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-02-17 15:59:05 -0500 |
| commit | 0ab5d711ec74d9e60673900974806b7688857947 (patch) | |
| tree | f766cf5a1d4f6937d5829b0e1e337cf3c04ea43e /drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | |
| parent | drm/amdgpu: Fix ARM compilation warning (diff) | |
| download | linux-dev-0ab5d711ec74d9e60673900974806b7688857947.tar.xz linux-dev-0ab5d711ec74d9e60673900974806b7688857947.zip | |
drm/amd: Refactor `amdgpu_aspm` to be evaluated per device
Evaluating `pcie_aspm_enabled` as part of driver probe has the implication
that if one PCIe bridge with an AMD GPU connected doesn't support ASPM
then none of them do. This is an invalid assumption as the PCIe core will
configure ASPM for individual PCIe bridges.
Create a new helper function that can be called by individual dGPUs to
react to the `amdgpu_aspm` module parameter without having negative results
for other dGPUs on the PCIe bus.
Suggested-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index d406659ee273..a0b5cf9a41cc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2008,9 +2008,6 @@ 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(flags & AMD_ASIC_MASK)) supports_atomic = true; |