[PATCH 1/4] drm/amd/display: Correct `DMUB_FW_VERSION` macro

[Mario Limonciello]

The `DMUB_FW_VERSION` macro has a mistake in that the revision field
is off by one byte. The last byte is typically used for other purposes
and not a revision.

Cc: Sean Wang <sean.ns.wang at amd.com>
Cc: Marc Rossi <Marc.Rossi at amd.com>
Cc: Hamza Mahfooz <Hamza.Mahfooz at amd.com>
Cc: Tsung-hua (Ryan) Lin <Tsung-hua.Lin at amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
 drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index 7c9a2b34bd05..2a66a305679a 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -492,7 +492,7 @@ struct dmub_notification {
  * of a firmware to know if feature or functionality is supported or present.
  */
 #define DMUB_FW_VERSION(major, minor, revision) \
-	((((major) & 0xFF) << 24) | (((minor) & 0xFF) << 16) | ((revision) & 0xFFFF))
+	((((major) & 0xFF) << 24) | (((minor) & 0xFF) << 16) | (((revision) & 0xFF) << 8))
 
 /**
  * dmub_srv_create() - creates the DMUB service.
-- 
2.34.1