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drm/amd/display: fix dcn42b det allocation order

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set_pipe_unlock_order needs to be set to true for the pipes to be unlocked
in correct order to avoid det overallocation

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Dmytro Laktyushkin <dmytro.laktyushkin@amd.com>
Signed-off-by: George Zhang <george.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 183bbded999a70c5996e8f399fa8790568d71112)
This commit is contained in:
Dmytro Laktyushkin 2026-07-03 13:01:12 -04:00 committed by Alex Deucher
parent 5b1250efc1
commit f9ad396aa8
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/resource/dcn42b/dcn42b_resource.c
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@ -2105,6 +2105,7 @@ static bool dcn42b_resource_construct(
dc->config.use_pipe_ctx_sync_logic = true;
dc->config.dc_mode_clk_limit_support = false;
dc->config.enable_windowed_mpo_odm = true;
dc->config.set_pipe_unlock_order = true; /* Need to ensure DET gets freed before allocating */
/* Use psp mailbox to enable assr */
dc->config.use_assr_psp_message = true;
/* dcn42 and afterward always support external panel replay */