[PATCH 11/12] drm/amdgpu: disable page reservation when amdgpu_bad_page_threshold = 0

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When amdgpu_bad_page_threshold = 0, bad page reservation stuffs
are skipped in either UMC ECC irq or page retirement calling of
sync flood isr.

Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 5 +++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 0b7317349bde..f47909d6a95b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -1678,7 +1678,7 @@ static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev)
 	int ret = 0;
 
 	/* no bad page record, skip eeprom access */
-	if (!control->num_recs)
+	if (!control->num_recs || (amdgpu_bad_page_threshold == 0))
 		return ret;
 
 	bps = kcalloc(control->num_recs, sizeof(*bps), GFP_KERNEL);
@@ -1782,7 +1782,8 @@ int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev)
 	struct amdgpu_bo *bo = NULL;
 	int i, ret = 0;
 
-	if (!con || !con->eh_data)
+	/* Not reserve bad page when amdgpu_bad_page_threshold == 0. */
+	if (!con || !con->eh_data || (amdgpu_bad_page_threshold == 0))
 		return 0;
 
 	mutex_lock(&con->recovery_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
index af1b1ccf613c..262baf0f61ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
@@ -125,8 +125,9 @@ int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
 				"detected in UMC block\n",
 				err_data->ue_count);
 
-		if (err_data->err_addr_cnt &&
-		    amdgpu_ras_add_bad_pages(adev, err_data->err_addr,
+		if ((amdgpu_bad_page_threshold != 0) &&
+			err_data->err_addr_cnt &&
+			amdgpu_ras_add_bad_pages(adev, err_data->err_addr,
 						err_data->err_addr_cnt))
 			dev_warn(adev->dev, "Failed to add ras bad page!\n");
 
-- 
2.17.1

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