diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index c4b2fc690fd7..2a6b48e24869 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -196,7 +196,6 @@ static ssize_t dp_link_settings_read(struct file *f, char __user *buf,
 	char *rd_buf_ptr = NULL;
 	const uint32_t rd_buf_size = 100;
 	uint32_t result = 0;
-	uint8_t str_len = 0;
 	int r;
 
 	if (*pos & 3 || size & 3)
@@ -208,29 +207,26 @@ static ssize_t dp_link_settings_read(struct file *f, char __user *buf,
 
 	rd_buf_ptr = rd_buf;
 
-	str_len = strlen("Current:  %d  0x%x  %d  ");
-	snprintf(rd_buf_ptr, str_len, "Current:  %d  0x%x  %d  ",
+	rd_buf_ptr += scnprintf(rd_buf_ptr, rd_buf_size - (rd_buf_ptr - rd_buf),
+			"Current:  %d  0x%x  %d  ",
 			link->cur_link_settings.lane_count,
 			link->cur_link_settings.link_rate,
 			link->cur_link_settings.link_spread);
-	rd_buf_ptr += str_len;
 
-	str_len = strlen("Verified:  %d  0x%x  %d  ");
-	snprintf(rd_buf_ptr, str_len, "Verified:  %d  0x%x  %d  ",
+	rd_buf_ptr += scnprintf(rd_buf_ptr, rd_buf_size - (rd_buf_ptr - rd_buf),
+			"Verified:  %d  0x%x  %d  ",
 			link->verified_link_cap.lane_count,
 			link->verified_link_cap.link_rate,
 			link->verified_link_cap.link_spread);
-	rd_buf_ptr += str_len;
 
-	str_len = strlen("Reported:  %d  0x%x  %d  ");
-	snprintf(rd_buf_ptr, str_len, "Reported:  %d  0x%x  %d  ",
+	rd_buf_ptr += scnprintf(rd_buf_ptr, rd_buf_size - (rd_buf_ptr - rd_buf),
+			"Reported:  %d  0x%x  %d  ",
 			link->reported_link_cap.lane_count,
 			link->reported_link_cap.link_rate,
 			link->reported_link_cap.link_spread);
-	rd_buf_ptr += str_len;
 
-	str_len = strlen("Preferred:  %d  0x%x  %d  ");
-	snprintf(rd_buf_ptr, str_len, "Preferred:  %d  0x%x  %d\n",
+	rd_buf_ptr += scnprintf(rd_buf_ptr, rd_buf_size - (rd_buf_ptr - rd_buf),
+			"Preferred:  %d  0x%x  %d\n",
 			link->preferred_link_setting.lane_count,
 			link->preferred_link_setting.link_rate,
 			link->preferred_link_setting.link_spread);