drm/amd/display: Send stream_update to DC only when it changed

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[Why & How]
Track stream_update_needed and pass &bundle->stream_update to DC only when a
real stream property was actually written (native-cursor disable, cursor
position/attributes, VRR infopacket, modeset src/dst, color management, ABM
level); otherwise pass NULL. An address-only flip then carries no
stream_update and stays on the FAMS2 offload path.

Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: James Lin <pinglei.lin@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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James Lin 2026-08-28 10:14:37 +08:00 • committed by Alex Deucher

parent 555641725f

commit acc92b3aad

1 changed files with 12 additions and 3 deletions

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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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