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Diffstat (limited to 'drivers/gpu/drm/amd/display/include/ddc_service_types.h')
-rw-r--r--drivers/gpu/drm/amd/display/include/ddc_service_types.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
index d968956a10cd..18961707db23 100644
--- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h
+++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h
@@ -25,10 +25,12 @@
#ifndef __DAL_DDC_SERVICE_TYPES_H__
#define __DAL_DDC_SERVICE_TYPES_H__
-#define DP_BRANCH_DEVICE_ID_1 0x0010FA
-#define DP_BRANCH_DEVICE_ID_2 0x0022B9
-#define DP_BRANCH_DEVICE_ID_3 0x00001A
-#define DP_BRANCH_DEVICE_ID_4 0x0080e1
+/* 0010FA dongles (ST Micro) external converter chip id */
+#define DP_BRANCH_DEVICE_ID_0010FA 0x0010FA
+/* 0022B9 external converter chip id */
+#define DP_BRANCH_DEVICE_ID_0022B9 0x0022B9
+#define DP_BRANCH_DEVICE_ID_00001A 0x00001A
+#define DP_BRANCH_DEVICE_ID_0080E1 0x0080e1
enum ddc_result {
DDC_RESULT_UNKNOWN = 0,