[PATCH v2 0/2] drm/msm: fix CTL/LM swap on color management changes

[Beat M. Liechti]

Closing the lid of an X1E laptop under GNOME with an external display
attached moves the still active external CRTC to other CTL/LM blocks
without a modeset, which ends in SMMU faults and a hung display
pipeline. Patch 1 fixes that in DPU. Patch 2 removes the CTM-only
allow_modeset hack in msm_atomic_check(), which patch 1 makes
redundant.

Changes in v2:
- Patch 1: don't set allow_modeset on behalf of userspace (Dmitry)
- Patch 2: new, drops the legacy CTM check (Sashiko review)
- Link to v1: https://lore.kernel.org/r/20261101095754.33840-1-beat@xxxxxxxxxxxxx

Beat M. Liechti (2):
  drm/msm/dpu: don't reassign resources on color management changes
  drm/msm: drop the CTM modeset hack from msm_atomic_check()

 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 25 +++++++++++++++++++++---
 drivers/gpu/drm/msm/msm_atomic.c         | 17 +---------------
 2 files changed, 23 insertions(+), 19 deletions(-)

-- 
2.53.0