kernel/linux.git/drivers/gpu/drm/amd/display/dc/mpc, branch v6.18.22

drm/amd/display: Remove conditional for shaper 3DLUT power-on

2026-03-04T12:20:42+00:00

[ Upstream commit 1b38a87b8f8020e8ef4563e7752a64182b5a39b9 ] [Why] Shaper programming has high chance to fail on first time after power-on or reboot. This can be verified by running IGT's kms_colorop. [How] Always power on the shaper and 3DLUT before programming by removing the debug flag of low power mode. Reviewed-by: Aurabindo Pillai Signed-off-by: Alex Hung Signed-off-by: Ray Wu Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin

drm/amd/display: Delete unused functions

2025-08-18T20:57:22+00:00

[WHAT] Removing unused code Reviewed-by: Joshua Aberback Signed-off-by: Clay King Signed-off-by: Alex Hung Tested-by: Dan Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Initialize mode_select to 0

2025-06-24T13:55:43+00:00

[WHAT] mode_select was supposed to be initialized in mpc_read_gamut_remap but is not set in default case. This can cause indeterminate behaviors. This is reported as an UNINIT error by Coverity. Reviewed-by: Aurabindo Pillai Signed-off-by: Alex Hung Signed-off-by: Fangzhi Zuo Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: prepare for new platform

2025-06-18T16:19:20+00:00

Expose some functions for new platform use Reviewed-by: Nevenko Stupar Signed-off-by: Karthi Kandasamy Signed-off-by: Aurabindo Pillai Signed-off-by: Alex Deucher

drm/amd/display: DML2.1 changes

2025-06-18T16:19:17+00:00

* Add a missing compilation unit * Missing CFLAGS for certain units Reviewed-by: Roman Li Signed-off-by: Aurabindo Pillai Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add HW change required mpc gamut remap

2025-06-18T16:19:16+00:00

[WHAT] Add HW change to required mpc gamut remap Reviewed-by: Dmytro Laktyushkin Signed-off-by: Charlene Liu Signed-off-by: Alex Hung Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: move RMCM programming

2025-06-03T19:35:23+00:00

[WHY & HOW] Move only RMCM programming outside of dcn401. Extended HW definition in dc for memory layout to extend support. Reviewed-by: Jun Lei Signed-off-by: Yihan Zhu Signed-off-by: Wayne Lin Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: DCN32 null data check

2025-04-21T15:28:01+00:00

[WHY & HOW] Avoid null curve data structure used in the cm block for the potential issue. Reviewed-by: Charlene Liu Signed-off-by: Yihan Zhu Signed-off-by: Zaeem Mohamed Tested-by: Mark Broadworth Signed-off-by: Alex Deucher

drm/amd/display: removed unused function

2025-04-07T19:18:59+00:00

Removed unused function mpc401_get_3dlut_fast_load_status. Signed-off-by: James Flowers Signed-off-by: Alex Deucher

drm/amd/display: Refactor DCN4x and related code

2025-02-25T16:44:02+00:00

[why & how] Refactor existing code related to DCN4x for better code sharing with other modules. Reviewed-by: Charlene Liu Signed-off-by: Swapnil Patel Signed-off-by: Zaeem Mohamed Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher