From 6ae43d9122b28003b1b9883b3fe4fae7347e23be Mon Sep 17 00:00:00 2001
From: Candice Li <candice.li@amd.com>
Date: Wed, 1 Jun 2022 17:10:44 +0800
Subject: drm/amdgpu: Resolve RAS GFX error count issue after cold boot on
 Arcturus
Git-commit: 2a460963350ec6b1534d28d7f943b5f84815aff2
Patch-mainline: v5.19-rc2
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Adjust the sequence for ras late init and separate ras reset error status
from query status.

v2: squash in fix from Candice

Signed-off-by: Candice Li <candice.li@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c |  9 ++++++---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 27 ++++++++++++++++++++-----
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index ede2fa56f6c9..16699158e00d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -594,17 +594,20 @@ int amdgpu_get_gfx_off_status(struct amdgpu_device *adev, uint32_t *value)
 int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
 {
 	int r;
-	r = amdgpu_ras_block_late_init(adev, ras_block);
-	if (r)
-		return r;
 
 	if (amdgpu_ras_is_supported(adev, ras_block->block)) {
 		if (!amdgpu_persistent_edc_harvesting_supported(adev))
 			amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX);
 
+		r = amdgpu_ras_block_late_init(adev, ras_block);
+		if (r)
+			return r;
+
 		r = amdgpu_irq_get(adev, &adev->gfx.cp_ecc_error_irq, 0);
 		if (r)
 			goto late_fini;
+	} else {
+		amdgpu_ras_feature_enable_on_boot(adev, ras_block, 0);
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 1b1b502897ef..dac202ae864d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -197,6 +197,13 @@ static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf,
 	if (amdgpu_ras_query_error_status(obj->adev, &info))
 		return -EINVAL;
 
+	/* Hardware counter will be reset automatically after the query on Vega20 and Arcturus */
+	if (obj->adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 2) &&
+	    obj->adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 4)) {
+		if (amdgpu_ras_reset_error_status(obj->adev, info.head.block))
+			dev_warn(obj->adev->dev, "Failed to reset error counter and error status");
+	}
+
 	s = snprintf(val, sizeof(val), "%s: %lu\n%s: %lu\n",
 			"ue", info.ue_count,
 			"ce", info.ce_count);
@@ -550,9 +557,10 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
 	if (amdgpu_ras_query_error_status(obj->adev, &info))
 		return -EINVAL;
 
-	if (obj->adev->asic_type == CHIP_ALDEBARAN) {
+	if (obj->adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 2) &&
+	    obj->adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 4)) {
 		if (amdgpu_ras_reset_error_status(obj->adev, info.head.block))
-			DRM_WARN("Failed to reset error counter and error status");
+			dev_warn(obj->adev->dev, "Failed to reset error counter and error status");
 	}
 
 	return sysfs_emit(buf, "%s: %lu\n%s: %lu\n", "ue", info.ue_count,
@@ -1027,9 +1035,6 @@ int amdgpu_ras_query_error_status(struct amdgpu_device *adev,
 		}
 	}
 
-	if (!amdgpu_persistent_edc_harvesting_supported(adev))
-		amdgpu_ras_reset_error_status(adev, info->head.block);
-
 	return 0;
 }
 
@@ -1149,6 +1154,12 @@ int amdgpu_ras_query_error_count(struct amdgpu_device *adev,
 		if (res)
 			return res;
 
+		if (adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 2) &&
+		    adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 4)) {
+			if (amdgpu_ras_reset_error_status(adev, info.head.block))
+				dev_warn(adev->dev, "Failed to reset error counter and error status");
+		}
+
 		ce += info.ce_count;
 		ue += info.ue_count;
 	}
@@ -1792,6 +1803,12 @@ static void amdgpu_ras_log_on_err_counter(struct amdgpu_device *adev)
 			continue;
 
 		amdgpu_ras_query_error_status(adev, &info);
+
+		if (adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 2) &&
+		    adev->ip_versions[MP0_HWIP][0] != IP_VERSION(11, 0, 4)) {
+			if (amdgpu_ras_reset_error_status(adev, info.head.block))
+				dev_warn(adev->dev, "Failed to reset error counter and error status");
+		}
 	}
 }
 
-- 
2.38.1