linux-kernel - [PATCH v3 0/3] Samsung Exynos 7870 DECON driver support

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Message-Id: <20250627-exynosdrm-decon-v3-0-5b456f88cfea@disroot.org>
Date: Fri, 27 Jun 2025 00:50:27 +0530
From: Kaustabh Chakraborty <kauschluss@...root.org>
To: Inki Dae <inki.dae@...sung.com>, Seung-Woo Kim <sw0312.kim@...sung.com>, 
 Kyungmin Park <kyungmin.park@...sung.com>, David Airlie <airlied@...il.com>, 
 Simona Vetter <simona@...ll.ch>, Krzysztof Kozlowski <krzk@...nel.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Rob Herring <robh@...nel.org>, Conor Dooley <conor@...nel.org>, 
 Ajay Kumar <ajaykumar.rs@...sung.com>, Akshu Agrawal <akshua@...il.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Kaustabh Chakraborty <kauschluss@...root.org>, 
 stable@...r.kernel.org
Subject: [PATCH v3 0/3] Samsung Exynos 7870 DECON driver support

This patch series aims at adding support for Exynos7870's DECON in the
Exynos7 DECON driver. It introduces a driver data struct so that support
for DECON on other SoCs can be added to it in the future.

It also fixes a few bugs in the driver, such as functions receiving bad
pointers.

Tested on Samsung Galaxy J7 Prime (samsung-on7xelte), Samsung Galaxy A2
Core (samsung-a2corelte), and Samsung Galaxy J6 (samsung-j6lte).

Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
---
Changes in v3:
- Add a new commit documenting iommus and ports dt properties.
- Link to v2: https://lore.kernel.org/r/20250612-exynosdrm-decon-v2-0-d6c1d21c8057@disroot.org

Changes in v2:
- Add a new commit to prevent an occasional panic under circumstances.
- Rewrite and redo [v1 2/6] to be a more sensible commit.
- Link to v1: https://lore.kernel.org/r/20240919-exynosdrm-decon-v1-0-6c5861c1cb04@disroot.org

---
Kaustabh Chakraborty (3):
      dt-bindings: display: samsung,exynos7-decon: add properties for iommus and ports
      drm/exynos: exynos7_drm_decon: fix call of decon_commit()
      drm/exynos: exynos7_drm_decon: add vblank check in IRQ handling

 .../bindings/display/samsung/samsung,exynos7-decon.yaml           | 8 ++++++++
 drivers/gpu/drm/exynos/exynos7_drm_decon.c                        | 8 ++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)
---
base-commit: 1b152eeca84a02bdb648f16b82ef3394007a9dcf
change-id: 20240917-exynosdrm-decon-4c228dd1d2bf

Best regards,
-- 
Kaustabh Chakraborty <kauschluss@...root.org>