[PATCH 3/3] drm/amdgpu: Implement bad_page_threshold = -2 case

[Kent Russell]

If the bad_page_threshold kernel parameter is set to -2,
continue to post the GPU. Print a warning to dmesg that this action has
been done, and that page retirement will obviously not work for said GPU

Cc: Luben Tuikov <luben.tuikov at amd.com>
Cc: Mukul Joshi <Mukul.Joshi at amd.com>
Signed-off-by: Kent Russell <kent.russell at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
index 1ede0f0d6f55..31852330c1db 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
@@ -1115,11 +1115,16 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control,
 			res = amdgpu_ras_eeprom_correct_header_tag(control,
 								   RAS_TABLE_HDR_VAL);
 		} else {
-			*exceed_err_limit = true;
-			dev_err(adev->dev,
-				"RAS records:%d exceed threshold:%d, "
-				"GPU will not be initialized. Replace this GPU or increase the threshold",
+			dev_err(adev->dev, "RAS records:%d exceed threshold:%d",
 				control->ras_num_recs, ras->bad_page_cnt_threshold);
+			if (amdgpu_bad_page_threshold == -2) {
+				dev_warn(adev->dev, "GPU will be initialized due to bad_page_threshold = -2.");
+				dev_warn(adev->dev, "Page retirement will not work for this GPU in this state.");
+				res = 0;
+			} else {
+				*exceed_err_limit = true;
+				dev_err(adev->dev, "GPU will not be initialized. Replace this GPU or increase the threshold.");
+			}
 		}
 	} else {
 		DRM_INFO("Creating a new EEPROM table");
-- 
2.25.1