diff options
| author | Cruise Hung <Cruise.Hung@amd.com> | 2025-06-03 14:30:59 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-06-24 09:55:35 -0400 |
| commit | 7beee6e91c20f297d2eba90397fe44938138f3b8 (patch) | |
| tree | bb03778248de4d2fef9c4a55c5f2e96fb8c308fa /drivers/gpu/drm/amd/display/dc/link/link_dpms.c | |
| parent | drm/amd/display: Removed unnecessary comment (diff) | |
| download | linux-7beee6e91c20f297d2eba90397fe44938138f3b8.tar.gz linux-7beee6e91c20f297d2eba90397fe44938138f3b8.zip | |
drm/amd/display: Add new DP tunnel bandwidth validation
[Why & How]
Add new function for DP tunnel bandwidth validation.
It uses the estimated BW and allocated BW to validate the timings.
Reviewed-by: PeiChen Huang <peichen.huang@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Signed-off-by: Cruise Hung <Cruise.Hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@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/link/link_dpms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index f16cba4b9119..e15631bead09 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -2295,12 +2295,10 @@ static bool allocate_usb4_bandwidth_for_stream(struct dc_stream_state *stream, i } link->dpia_bw_alloc_config.remote_sink_req_bw[sink_index] = bw; + link->dpia_bw_alloc_config.dp_overhead = link_dpia_get_dp_mst_overhead(link); + req_bw += link->dpia_bw_alloc_config.dp_overhead; } - /* get dp overhead for dp tunneling */ - link->dpia_bw_alloc_config.dp_overhead = link_dp_dpia_get_dp_overhead_in_dp_tunneling(link); - req_bw += link->dpia_bw_alloc_config.dp_overhead; - link_dp_dpia_allocate_usb4_bandwidth_for_stream(link, req_bw); if (stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) { |