linux-kernel - [PATCH 0/6] drm/panel: Use refcounted allocation in place of devm_kzalloc()

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Message-Id: <20250708-b4-simple-panel-api-convert-july-v1-0-630902123ea1@redhat.com>
Date: Tue, 08 Jul 2025 15:35:12 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <jessica.zhang@....qualcomm.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>, 
 dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 0/6] drm/panel: Use refcounted allocation in place of
 devm_kzalloc() - Part4

Use the new API devm_drm_panel_alloc() for panel allocations.
A major chunk of driver conversion was sent in a 3 part series
which is already merged. The coccinelle patch that was used to
identify unsafe panel allocations didnt flag about 20 drivers.

Not using any semantic patch for the remaining drivers.
Apart from addressing a part of missing drivers, this series also
does the conversion by not passing explicit type to the helper and
maintaining type safety suggested by Geert.

Link to part 1, 2 and 3 of driver conversion:
https://patchwork.freedesktop.org/series/147082/
https://patchwork.freedesktop.org/series/147157/
https://patchwork.freedesktop.org/series/147246/

Geert's suggestion
https://lore.kernel.org/dri-devel/CAN9Xe3TXZa1nrCLkHadiBkOO=q1ue8Jwc3V13pXcbAc9AFS2-Q@mail.gmail.com/

14 more to go which will be sent once this series gets feedback.

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
Anusha Srivatsa (6):
      drm/panel/visionox-g2647fb105: Use refcounted allocation in place of devm_kzalloc()
      drm/panel/truly-nt35597: Use refcounted allocation in place of devm_kzalloc()
      drm/panel/tdo-tl070wsh30: Use refcounted allocation in place of devm_kzalloc()
      drm/panel/kd070fhfid015: Use refcounted allocation in place of devm_kzalloc()
      drm/panel/ls043t1le01: Use refcounted allocation in place of devm_kzalloc()
      drm/panel/samsung-s6e63m0: Use refcounted allocation in place of devm_kzalloc()

 drivers/gpu/drm/panel/panel-samsung-s6e63m0.c       | 14 +++++++-------
 drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c     | 12 ++++++------
 drivers/gpu/drm/panel/panel-startek-kd070fhfid015.c | 12 ++++++------
 drivers/gpu/drm/panel/panel-tdo-tl070wsh30.c        | 13 ++++++-------
 drivers/gpu/drm/panel/panel-truly-nt35597.c         | 10 +++++-----
 drivers/gpu/drm/panel/panel-visionox-g2647fb105.c   | 10 +++++-----
 6 files changed, 35 insertions(+), 36 deletions(-)
---
base-commit: 482c7e296edc0f594e8869a789a40be53c49bd6a
change-id: 20250707-b4-simple-panel-api-convert-july-aac1fbe82b28

Best regards,
-- 
Anusha Srivatsa <asrivats@...hat.com>