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drm/amd/powerplay: SMU_MSG_OverridePcieParameters is unsupport for APU

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For apu, SMU_MSG_OverridePcieParameters is unsupport.
So return directly in smu_override_pcie_parameters function.

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aaron Liu 2019-08-30 09:53:27 +08:00 • committed by Alex Deucher
parent 0b2d2c2eec
commit ea1fc5e1ff
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
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@ -975,6 +975,9 @@ static int smu_override_pcie_parameters(struct smu_context *smu)
uint32_t pcie_gen = 0, pcie_width = 0, smu_pcie_arg;
int ret;
if (adev->flags & AMD_IS_APU)
return 0;
if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
pcie_gen = 3;
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)