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authorDmytro Laktyushkin <dmytro.laktyushkin@amd.com>2026-07-03 10:08:37 -0400
committerAlex Deucher <alexander.deucher@amd.com>2026-07-17 17:37:52 -0400
commit5b1250efc17058595d2776f3c1e53e258f0968ae (patch)
tree2bef7515d09a46b46bfdf378efa56b6ca41ff837 /drivers/gpu/drm
parentf1b5d8f9cc54ae8a2567ac126867ae488e1bf625 (diff)
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 <syed.hassan@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 198663d035cc439eb48844a2da66f6ae1b0de303)
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/display/dc/resource/dcn42/dcn42_resource.c1
1 files changed, 1 insertions, 0 deletions
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 */