drm/amdgpu: correct ras enabled flag

XGMI RAS should be according to the gmc xgmi physical nodes number,
XGMI RAS should not be enabled if xgmi num_physical_nodes is zero.

Signed-off-by: Stanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 4069bce9479f012e7d912d40210f7d44d61023e1..ad5d456918f444dbd1835a0482e74f581cc0b6d5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2430,6 +2430,13 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)
                        else
                                adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__VCN |
                                                        1 << AMDGPU_RAS_BLOCK__JPEG);
+
+                       /*
+                        * XGMI RAS is not supported if xgmi num physical nodes
+                        * is zero
+                        */
+                       if (!adev->gmc.xgmi.num_physical_nodes)
+                               adev->ras_hw_enabled &= ~(1 << AMDGPU_RAS_BLOCK__XGMI_WAFL);
                } else {
                        dev_info(adev->dev, "SRAM ECC is not presented.\n");
                }