diff options
| author | George Shen <george.shen@amd.com> | 2021-10-06 15:47:37 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-10-28 14:26:15 -0400 |
| commit | 54fe00be270dd6fdb9e23c31a4497edec5a3609b (patch) | |
| tree | 01b383b06c071a0cf6ac151ac0f8b77062aba943 /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | 876e835ed733ded22f2ce42db82c6132f7684185 (diff) | |
drm/amd/display: Implement fixed DP drive settings
[Why]
Currently there are use cases that require DP link to maintain fixed VS
and PE in HW regardless of what the sink requests. BIOS integrated info
table will specify whether we need to use the fixed drive settings, and
the drive settings to use.
[How]
Implement changes to parse the integrated info table and set the fixed
drive settings accordingly.
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Acked-by: Agustin Gutierrez <agustin.gutierrez@amd.com>
Signed-off-by: George Shen <george.shen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index 8902d642e719..517950674729 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -178,6 +178,9 @@ struct dc_link { struct psr_settings psr_settings; + /* Drive settings read from integrated info table */ + struct dc_lane_settings bios_forced_drive_settings; + /* MST record stream using this link */ struct link_flags { bool dp_keep_receiver_powered; |