From 5b1250efc17058595d2776f3c1e53e258f0968ae Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Fri, 3 Jul 2026 10:08:37 -0400 Subject: [PATCH] drm/amd/display: fix dcn42 det allocation order 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: Taimur Hassan Signed-off-by: Dmytro Laktyushkin Signed-off-by: George Zhang Signed-off-by: Alex Deucher (cherry picked from commit 198663d035cc439eb48844a2da66f6ae1b0de303) --- drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c index 7de12b16d7ad..a8241036def2 100644 --- a/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c +++ b/drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c @@ -2142,6 +2142,7 @@ static bool dcn42_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 */