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[4/9,SRU,Jammy] drm/amd/display: Creating a fw boot options bit for an upcoming feature

Message ID 20211215065730.390346-5-vicamo.yang@canonical.com
State New
Headers show
Series Support USB4 DP alt mode for AMD Yellow Carp graphics card | expand

Commit Message

You-Sheng Yang Dec. 15, 2021, 6:57 a.m. UTC 
From: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>

BugLink: https://bugs.launchpad.net/bugs/1953008

[Why]
Need a bit for x86 driver to enable a FW boot option for an upcoming
feature.

[How]
Added a bit in dmub_fw_boot_options for an upcoming feature.

Reviewed-by: Jimmy Kizito <jimmy.kizito@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 39371f7d1396fa281eda67d0ede8221e5d8defe5)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index b181b2c0debe..6fbbb1ed3abf 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -370,7 +370,8 @@  union dmub_fw_boot_options {
 		uint32_t z10_disable: 1; /**< 1 to disable z10 */
 		uint32_t enable_dpia: 1; /**< 1 if DPIA should be enabled */
 		uint32_t invalid_vbios_data: 1; /**< 1 if VBIOS data table is invalid */
-		uint32_t reserved : 23; /**< reserved */
+		uint32_t reserved_unreleased2: 1; /**< reserved for an unreleased feature */
+		uint32_t reserved : 22; /**< reserved */
 	} bits; /**< boot bits */
 	uint32_t all; /**< 32-bit access to bits */
 };