[PATCH AUTOSEL 6.2 11/60] drm/amd: Avoid BUG() for case of SRIOV missing IP version

From: Sasha Levin
Date: Sun Feb 26 2023 - 21:02:05 EST


From: Mario Limonciello <mario.limonciello@xxxxxxx>

[ Upstream commit 93fec4f8c158584065134b4d45e875499bf517c8 ]

No need to crash the kernel. AMDGPU will now fail to probe.

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 7a2fc920739bb..ba092072308fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -380,7 +380,7 @@ static int psp_init_sriov_microcode(struct psp_context *psp)
adev->virt.autoload_ucode_id = AMDGPU_UCODE_ID_CP_MES1_DATA;
break;
default:
- BUG();
+ ret = -EINVAL;
break;
}
return ret;
--
2.39.0