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[46.150.62.216]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-454913049ecsm13254407f8f.19.2026.05.09.12.00.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 May 2026 12:00:19 -0700 (PDT) From: Jernej Skrabec X-Google-Original-From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mripard@kernel.org, maarten.lankhorst@linux.intel.com, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, jernej.skrabec@gmail.com, Jernej Skrabec Subject: [PATCH v2 0/8] drm/sun4i: update DE33 support Date: Sat, 9 May 2026 21:00:07 +0200 Message-ID: <20260509190015.79086-1-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This is second series out of tree which aims at properly introducing support for H616 Display Engine 3.3. Previous series [1] reorganized driver so proper DE33 support can be easily implemented. H616 DE33 support was actually introduced a while back, but it was done without fully understanding hardware design. Fortunately, no user of H616 DE33 binding was introduced, so we have a chance to update bindings and introduce proper DE33 support. Issue with existing binding is that it considers planes as resource which is hardwired to each mixer as it was done on older Display Engine generations (DE3 and lower). That is not the case anymore. This series introduces new driver for planes management, which allows doing proper plane assignments. Remaining patches, which introduce all the missing bits to fully support display pipeline on H616 SoC, will be sent once this series is merged. WIP patches, which can be used for testing purposes, can be found at [2]. Please take a look. Best regards, Jernej Link to v1: https://lore.kernel.org/linux-sunxi/20251115141347.13087-1-jernej.skrabec@gmail.com/ [1] https://lore.kernel.org/linux-sunxi/20251104180942.61538-1-jernej.skrabec@gmail.com/T/#t [2] https://github.com/jernejsk/linux-1/commits/sun4i-drm-refactor/ Jernej Skrabec (8): clk: sunxi-ng: de2: Fix Display Engine 3.3 definitions clk: sunxi-ng: de2: Export register regmap for DE33 drm/sun4i: Add support for DE33 CSC drm/sun4i: vi_layer: Limit formats for DE33 dt-bindings: display: allwinner: Add DE33 planes drm/sun4i: Add planes driver dt-bindings: display: allwinner: Split H616 DE33 layer reg space drm/sun4i: switch DE33 to new bindings .../allwinner,sun50i-h616-de33-planes.yaml | 46 ++++ .../allwinner,sun8i-a83t-de2-mixer.yaml | 16 +- drivers/clk/sunxi-ng/ccu-sun8i-de2.c | 87 +++++++- drivers/gpu/drm/sun4i/Makefile | 3 +- drivers/gpu/drm/sun4i/sun50i_planes.c | 201 ++++++++++++++++++ drivers/gpu/drm/sun4i/sun50i_planes.h | 41 ++++ drivers/gpu/drm/sun4i/sun8i_csc.c | 71 +++++++ drivers/gpu/drm/sun4i/sun8i_csc.h | 5 + drivers/gpu/drm/sun4i/sun8i_mixer.c | 131 ++++++------ drivers/gpu/drm/sun4i/sun8i_mixer.h | 10 +- drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 40 +++- 11 files changed, 567 insertions(+), 84 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/allwinner,sun50i-h616-de33-planes.yaml create mode 100644 drivers/gpu/drm/sun4i/sun50i_planes.c create mode 100644 drivers/gpu/drm/sun4i/sun50i_planes.h -- 2.54.0