diff options
| author | Bing Guo <Bing.Guo@amd.com> | 2022-01-20 18:34:24 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-07 18:03:35 -0500 |
| commit | b65007590911ad558999073dbffa413cf4861df3 (patch) | |
| tree | b055106e09bf13f0a4974bfb06d06415ecdf65e9 /drivers/gpu/drm/amd/display/dc/dc_link.h | |
| parent | 77a35bb579827216d911ece7a6b909e4ac8e1626 (diff) | |
drm/amdgpu/display/dc: do blocked MST topology discovery at resume from S3/S4
Why:
When resume from sleep or hiberation, blocked MST Topology discovery might
need to be used.
How:
Added "DETECT_REASON_RESUMEFROMS3S4" to enum dc_detect_reason; use it to
require blocked MST Topology discovery.
Reviewed-by: Wenjing Liu <Wenjing.Liu@amd.com>
Acked-by: Jasdeep Dhillon <jdhillon@amd.com>
Signed-off-by: Bing Guo <Bing.Guo@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/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 1 |
1 files changed, 1 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 e7ead9e25318..9ad3ee4079c3 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -312,6 +312,7 @@ void dc_link_blank_dp_stream(struct dc_link *link, bool hw_init); */ enum dc_detect_reason { DETECT_REASON_BOOT, + DETECT_REASON_RESUMEFROMS3S4, DETECT_REASON_HPD, DETECT_REASON_HPDRX, DETECT_REASON_FALLBACK, |