On 6/22/23 14:25, Mario Limonciello wrote:
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 <[email protected]>
Cc: Marc Rossi <[email protected]>
Cc: Hamza Mahfooz <[email protected]>
Cc: Tsung-hua (Ryan) Lin <[email protected]>
Signed-off-by: Mario Limonciello <[email protected]>
Reviewed-by: Leo Li <[email protected]>
---
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.
