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drm/amdgpu: Skip ASPM programming on aldebaran

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There is no need for additional programming, keep the default settings.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2021-11-24 19:26:38 +08:00 • committed by Alex Deucher
parent cc7818d709
commit 6ff53495ce
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
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@ -694,6 +694,9 @@ static void nbio_v7_4_program_aspm(struct amdgpu_device *adev)
{
uint32_t def, data;
if (adev->ip_versions[NBIO_HWIP][0] == IP_VERSION(7, 4, 4))
return;
def = data = RREG32_PCIE(smnPCIE_LC_CNTL);
data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;