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authorMario Limonciello <mario.limonciello@amd.com>2023-06-23 10:05:19 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-23 13:47:52 +0200
commit85b9335d8e0bdb4802c319649a46e7562f3fc313 (patch)
tree712e296436c82d8d88f824c1ea9a3216eaa5f71c
parent9ced7e65c3c4c48cfa976ea29858d949bb8f640a (diff)
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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.h2
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 caf961bb633f..0fc4f90d9e3e 100644
--- a/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -445,7 +445,7 @@ 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.