linux-kernel - [PATCH 0/4] Integrate refcounting across of_drm_find

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Message-Id: <20250604-of_drm_find_panel_part1-v1-0-c632e12e131d@redhat.com>
Date: Wed, 04 Jun 2025 22:45:09 -0500
From: Anusha Srivatsa <asrivats@...hat.com>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jessica Zhang <quic_jesszhan@...cinc.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>, 
 Inki Dae <inki.dae@...sung.com>, Jagan Teki <jagan@...rulasolutions.com>, 
 Marek Szyprowski <m.szyprowski@...sung.com>, 
 Andrzej Hajda <andrzej.hajda@...el.com>, Robert Foss <rfoss@...nel.org>, 
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, 
 Jonas Karlman <jonas@...boo.se>, Jernej Skrabec <jernej.skrabec@...il.com>, 
 Chen-Yu Tsai <wens@...e.org>, Samuel Holland <samuel@...lland.org>, 
 Seung-Woo Kim <sw0312.kim@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, 
 Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev, 
 linux-samsung-soc@...r.kernel.org, Anusha Srivatsa <asrivats@...hat.com>
Subject: [PATCH 0/4] Integrate refcounting across of_drm_find_panel()
 callers

With the panel refcount allocation infrastructure  merged: [1]
and all drivers converted to use the new API: [2],[3] and [4],
the next chunk of work involves integrating refcounting across
different callers across various drivers.

First patch was added to the original series [1] but later
removed. Adding it here with the initial of_drm_find_panel()
callers being updated with refcounting. This is not an exhaustive
list. Remaining drivers to be updated will be sent in next set
of series.

[1] -> https://patchwork.freedesktop.org/series/146750/
[2] -> https://patchwork.freedesktop.org/series/147082/
[3] -> https://patchwork.freedesktop.org/series/147157/
[4] -> https://patchwork.freedesktop.org/series/147246/

Signed-off-by: Anusha Srivatsa <asrivats@...hat.com>
---
Anusha Srivatsa (4):
      drm/panel: get/put panel reference in drm_panel_add/remove()
      drm/panel/samsung-dsicm: Keep up with refcounting
      drm/panel/sun4i: Keep up with refcounting
      drm/panel/exynos: Keep up with refcounting

 drivers/gpu/drm/bridge/samsung-dsim.c   | 1 +
 drivers/gpu/drm/drm_panel.c             | 2 ++
 drivers/gpu/drm/exynos/exynos_drm_dpi.c | 1 +
 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c  | 2 ++
 4 files changed, 6 insertions(+)
---
base-commit: 685c407f168cb49a12cc703230d1e2d62767bfd2
change-id: 20250604-of_drm_find_panel_part1-33a2deb79256

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