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path: root/drivers/gpu/drm/sun4i/sun8i_ui_scaler.c
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2025-06-02drm: sun4i: de2/de3: add mixer version enumJernej Skrabec
The Allwinner DE2 and DE3 display engine mixers are currently identified by a simple boolean flag. This will not scale to support additional DE variants. Convert the boolean flag to an enum. Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> Signed-off-by: Ryan Walklin <ryan@testtoast.com> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Maxime Ripard <mripard@kernel.org> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Link: https://lore.kernel.org/r/20250528092431.28825-2-ryan@testtoast.com Signed-off-by: Maxime Ripard <mripard@kernel.org>
2018-11-05drm/sun4i: Add basic support for DE3Jernej Skrabec
Display Engine 3 is an upgrade of DE2 with new features like support for 10 bit color formats and support for AFBC. Most of DE2 code works with DE3, except some small details. Implement basic support for DE3. Support for 10 bit colort formats and AFBC, among others missing features, will be added later. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/260238/
2018-11-05drm/sun4i: Rework DE2 register definesJernej Skrabec
Most, if not all, registers found in DE2 still exists in DE3. However, units are on different base addresses. To prepare for addition of DE3 support, registers macros are reworked so they take base address as parameter. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> [rebased] Signed-off-by: Icenowy Zheng <icenowy@aosc.io> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181104182705.18047-10-jernej.skrabec@siol.net
2017-12-05drm/sun4i: Add support for HW scaling to DE2Jernej Skrabec
Scaling is currently supported only for RGB framebuffers Coefficients and algorithm which coefficients to select are taken from BSP driver. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171201060550.10392-22-jernej.skrabec@siol.net