From: Michael Strauss <michael.stra...@amd.com>

[WHY]
New minor revision needs to be handled

[HOW]
Add switch case and assert to catch missing switch cases in the future

Signed-off-by: Michael Strauss <michael.stra...@amd.com>
Reviewed-by: Eric Yang <eric.ya...@amd.com>
Acked-by: Wayne Lin <wayne...@amd.com>
---
 drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c 
b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
index d79f4fe06c47..49126a0f66af 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c
@@ -836,8 +836,10 @@ static enum bp_result bios_parser_get_spread_spectrum_info(
                        return get_ss_info_v4_1(bp, signal, index, ss_info);
                case 2:
                case 3:
+               case 4:
                        return get_ss_info_v4_2(bp, signal, index, ss_info);
                default:
+                       ASSERT(0);
                        break;
                }
                break;
-- 
2.17.1

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