diff options
| author | Jake Wang <haonan.wang2@amd.com> | 2021-08-05 14:43:41 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 16:14:12 -0400 |
| commit | f586fea897609a61020a4438ee45542ad848abe9 (patch) | |
| tree | 5dc8e53abeacc4f8fab7fd6ce49ff2f812f0f464 /drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | |
| parent | 58aa1c50e5a231c0912b26bce0d15c44d5384fad (diff) | |
drm/amd/display: Ensure DCN save after VM setup
[Why]
DM initializes VM context after DMCUB initialization.
This results in loss of DCN_VM_CONTEXT registers after z10.
[How]
Notify DMCUB when VM setup is complete, and have DMCUB
save init registers.
v2: squash in CONFIG_DRM_AMD_DC_DCN3_1 fix
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Jake Wang <haonan.wang2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 5950da7bf252..a6f3d58f82c6 100644 --- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h +++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h @@ -860,6 +860,11 @@ enum dmub_cmd_idle_opt_type { * DCN hardware restore. */ DMUB_CMD__IDLE_OPT_DCN_RESTORE = 0, + + /** + * DCN hardware save. + */ + DMUB_CMD__IDLE_OPT_DCN_SAVE_INIT = 1 }; /** |