diff options
author | Mario Limonciello <mario.limonciello@amd.com> | 2023-06-23 18:05:19 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-23 14:54:04 +0300 |
commit | 7c535cf9f62fcd987be8c00f3b43a06efc0f0c3f (patch) | |
tree | 49ba5ca6ae9cbfac268fead2f83afa84ab4c17a2 | |
parent | 8961ce852fecbd9ec75a2ffc74ce6e4c271c0938 (diff) | |
download | linux-7c535cf9f62fcd987be8c00f3b43a06efc0f0c3f.tar.xz |
drm/amd/display: Correct `DMUB_FW_VERSION` macro
commit 274d205cb59f43815542e04b42a9e6d0b9b95eff upstream.
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: stable@vger.kernel.org
Cc: Sean Wang <sean.ns.wang@amd.com>
Cc: Marc Rossi <Marc.Rossi@amd.com>
Cc: Hamza Mahfooz <Hamza.Mahfooz@amd.com>
Cc: Tsung-hua (Ryan) Lin <Tsung-hua.Lin@amd.com>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/gpu/drm/amd/display/dmub/dmub_srv.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h index ba1715e2d25a..554ab48d4e64 100644 --- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h +++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h @@ -490,7 +490,7 @@ 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. |