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drm/amd/display: Don't check output BPP for phantom

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[Description]
- If we're enabling phantom pipe for a high
  link rate display we could
  fail DML on the phantom pipe since it's
  set to virtual signal
- Therefore don't consider Output BPP for
  phantom pipe

Reviewed-by: Dillon Varone <Dillon.Varone@amd.com>
Acked-by: Tom Chung <chiahsuan.chung@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alvin Lee 2022-11-01 16:10:49 -04:00 committed by Alex Deucher
parent 655435df09
commit d73aec401f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
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@ -2284,7 +2284,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
&& (mode_lib->vba.Output[k] == dm_dp || mode_lib->vba.Output[k] == dm_dp2p0
|| mode_lib->vba.Output[k] == dm_edp
|| mode_lib->vba.Output[k] == dm_hdmi)
&& mode_lib->vba.OutputBppPerState[i][k] == 0) {
&& mode_lib->vba.OutputBppPerState[i][k] == 0 && (mode_lib->vba.UsesMALLForPStateChange[k] != dm_use_mall_pstate_change_phantom_pipe)) {
mode_lib->vba.LinkCapacitySupport[i] = false;
}
}