[PATCH V2] drm/amd/powerplay: SMU_MSG_OverridePcieParameters is unsupport for APU

[Quan, Evan]

Reviewed-by: Evan Quan <evan.quan at amd.com>

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Aaron Liu
Sent: Friday, August 30, 2019 10:10 AM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Huang, Ray <Ray.Huang at amd.com>; Liu, Aaron <Aaron.Liu at amd.com>
Subject: [PATCH V2] drm/amd/powerplay: SMU_MSG_OverridePcieParameters is unsupport for APU

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

Signed-off-by: Aaron Liu <aaron.liu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 8c61778..b726565 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -1001,6 +1001,9 @@ 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)
-- 
2.7.4

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