[PATCH 0/8] drm: writeback: clean up writeback connector initialization

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Fri Aug 1 13:51:08 UTC 2025


Drivers using drm_writeback_connector_init() / _with_encoder() don't
perform cleanup in a manner similar to drmm_writeback_connector_init()
(see drm_writeback_connector_cleanup()). Migrate all existing drivers
to use drmm_writeback_connector_init(), drop
drm_writeback_connector_init() and drm_writeback_connector::encoder
(it's unused afterwards).

This series leaves former drm_writeback_connector_init_with_encoder()
(renamed to drm_writeback_connector_init as a non-managed counterpart
for drmm_writeback_connector_init()). It is supposed to be used by
drivers which can not use drmm functions (like Intel). However I think
it would be better to drop it completely.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
---
Dmitry Baryshkov (8):
      drm/amd/display: use drmm_writeback_connector_init()
      drm/komeda: use drmm_writeback_connector_init()
      drm/mali: use drmm_writeback_connector_init()
      drm/msm/dpu: use drmm_writeback_connector_init()
      drm/msm/dpu: use drmm_writeback_connector_init()
      drm/vc4: use drmm_writeback_connector_init()
      drm: writeback: drop excess connector initialization functions
      drm: writeback: rename drm_writeback_connector_init_with_encoder()

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  |  2 +-
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c   | 18 ++++--
 .../drm/arm/display/komeda/komeda_wb_connector.c   | 30 ++++++----
 drivers/gpu/drm/arm/malidp_mw.c                    | 25 ++++----
 drivers/gpu/drm/drm_writeback.c                    | 69 +++-------------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_writeback.c      | 10 +---
 .../gpu/drm/renesas/rcar-du/rcar_du_writeback.c    | 23 +++++---
 drivers/gpu/drm/vc4/vc4_txp.c                      |  9 ++-
 include/drm/drm_writeback.h                        | 22 +------
 9 files changed, 77 insertions(+), 131 deletions(-)
---
base-commit: 94f208ff622b09309358abaf26d7acca0c318fae
change-id: 20250801-wb-drop-encoder-97a0c75bd5d7

Best regards,
-- 
With best wishes
Dmitry



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