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drm/amd/display: Correct DMUB_FW_VERSION macro

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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>
This commit is contained in:
Mario Limonciello 2023-06-23 10:05:19 -05:00 committed by Greg Kroah-Hartman
parent ad85fc99d6
commit 7ad40467fd
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dmub/dmub_srv.h
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@ -471,7 +471,7 @@ 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.