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2026-05-11card: Add support for writeback connectorswritebackLaurent Pinchart
Enable enumeration of writeback connectors if both libdrm and the device support it. The new Card::has_writeback() method report if the card support writeback connectors. Existing code that expect all connectors to model an output may be confused by the sudden availability of new connectors. To handle this issue, - add a KMSXX_DISABLE_WRITEBACK_CONNECTORS environment variable to disable enumeration of writeback connectors, similarly to universal planes ; and - ignore writeback connectors where no specific connector is requested (Card::get_first_connected_connector(), ResourceManager::reserve_connector() if no connector name is specified, and applications that use all connected outputs). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2026-05-08kms++: Add ABGR1555, ABGR4444, XBGR1555, and XBGR4444Tomi Valkeinen
2026-05-08kms++: Update pixel formats to latest upstreamTomi Valkeinen
2026-04-30kms: Drop unused includesTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2026-04-30Drop libfmtTomi Valkeinen
We can use std::format() and a custom print() wrapper with C++20. When moving to C++23, we can drop the wrapper. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2026-03-20DumbFramebuffer: Fix plane size calculations for multiplane formatsTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-12-18fix: Resolve variable shadowing warningsTomi Valkeinen
Fix cppcheck shadowVariable and shadowArgument warnings by renaming local variables to avoid conflicts: - Rename 'ob' to 'prop' in property creation loop in card.cpp - Rename loop variable 'y_offset' to 'y_off' in conv-yuv-semiplanar.h - Rename local 'y' to 'y_val' in SMPTE pattern generator in testpat.cpp - Rename 'is_last' to 'child_is_last' in entry printing in kmsprint.cpp These changes eliminate naming conflicts while preserving functionality and improving code clarity.
2025-12-18perf: Pass parameters by const reference to avoid copiesTomi Valkeinen
Fix cppcheck performance warnings by passing function parameters by const reference instead of by value, preventing unnecessary copies: - string parameters in open_device_by_path() - set<Connector*> parameters in connector finder functions - vector parameter in FlipState constructor - range variable in kmscapture loop These changes improve performance by avoiding object copies while maintaining the same functionality.
2025-12-18fix: Replace C-style casts with C++ static/reinterpret castsTomi Valkeinen
C-style casts should be replaced with appropriate C++ cast operators for better type safety and code clarity. This change fixes cppcheck style warnings about C-style pointer casting by using: - static_cast for simple pointer type conversions - reinterpret_cast for memory buffer pointer arithmetic The changes maintain identical functionality while following modern C++ best practices for explicit casting.
2025-09-08pixelformats: Add missing RAW 16 formatsTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-08-07plane: Add support to deal with raw fourccsTomi Valkeinen
2025-08-07framebuffer: Add support to deal with raw fourccsTomi Valkeinen
2025-04-26dmabuffb: Add missing includeTomi Valkeinen
2025-04-26dmabuffb: dup() the fdsTomi Valkeinen
Use dup() on the given fds, and take ownership of them. close() at destructor. Fixes: #46
2025-04-22pixelformats: Disable constexpr for older compilersTomi Valkeinen
gcc 11 and earlier do not support constexpr strings and vectors. Add tests and ifdefs to only use constexpr on selected places for gcc 12+. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-04-22pixelformats: use initializer_list instead of vectorTomi Valkeinen
2025-04-22pixelformats: use string_viewsTomi Valkeinen
2025-04-22Fix a few clang warningsTomi Valkeinen
2025-03-28kmstest: Support format names in addition to fourccTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-03-26PixelFormats: Pull in formats from pixutilsTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-03-26PixelFormats: Switch to non-fourcc PixelFormat enumTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-03-26Use the fourcc helpersTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-03-26PixelFormats: clean fourcc managementTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-03-26PixelFormats: New PixelFormatInfo codeTomi Valkeinen
New pixel format code, from Python pixutils library. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2025-02-11pixelformats: cleanupTomi Valkeinen
2023-09-12connector: Add writeback, SPI, and USB connector type stringsDave Stevenson
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2023-04-11meson: Fix use of omapdrm_enabledTomi Valkeinen
omapdrm_enabled is set in totally wrong place, leading to build failure if pykms is disabled. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Fixes: 3c9e134287362f3273ff04a86f32838b65b2651e Fixes: #70
2022-12-22Code formatting fixesTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2022-12-18kms++: PixelFormats: Add Y21x formatsTomi Valkeinen
Add Y210, Y212, Y216 pixel formats. Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
2022-12-18kms++: PixelFormats: Fix formattingTomi Valkeinen
Fix formatting for some pixel formats. Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2022-12-04Fix clang-tidy warningsTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2022-11-04kmsprint: Decode bitfields for flags and type of hdmi modeDom Cobley
Decode the bitfields for the mode type and flags of Videomode Use short names for type as it allows for consise formatting (excluding the deprecated options, that are not expected to be seen) I've swapped order of flags and types as the type is expected to be shorted so can fit in a fixed size field Signed-off-by: Dom Cobley <popcornmix@gmail.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2022-11-01kmsxx: Also report format of framebufferDom Cobley
Signed-off-by: Dom Cobley <popcornmix@gmail.com>
2021-07-19framebuffer: Support partial flushingNoralf Trønnes
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
2021-03-26Add so version numbers to librariesTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
2020-12-16Remove CMake supportTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@iki.fi>
2020-12-03crtc: add legacy gamma setTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-12-03atomicreq: throw on non-existing propertyTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-12-01Fix clang-tidy reported issuesTomi Valkeinen
2020-10-09Bulk format of all filesTomi Valkeinen
2020-10-09dmabuffb: add constructor which takes in string fourccTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-10-08added #include <string> to card.h to follow gcc10 porting guideTobias Off
2020-10-02Small Property improvementsTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-09-29Fix Plane::get_possible_crtcsTomi Valkeinen
Looks like RPi gives 0xff as possible_crtcs, even if there's only one crtc. The current code throws an exception in that case. Fix this by just ignoring non-existent possible crtcs. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-09-14Add meson buildTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-08-10kms++: Add support for missing 8 -and 16-bit RGB formatsLaurent Pinchart
Add support for the RGB332, XRGB1555 and XRGB4444 formats to the PixelFormat class, the Python API, and the drawing utilities. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-08-10kms++: Add support for the planar YUV formatsLaurent Pinchart
Add support for the 6 planar YUV formats (YUV and YVU, combined with 420, 422 or 444 subsampling) to the PixelFormat class, the Python API, and the drawing utilities. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-08-10kms++: Add support for semiplanar YUV422 formats (NV16 and NV61)Laurent Pinchart
Add support for the NV16 and NV61 pixel formats to the PixelFormat class, the Python API, and the drawing utilities. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-08-10dumbfb: Fix pitch for tri-planar formatsLaurent Pinchart
The BO pitches are unconditionally set to the frame buffer pitch, for all planes. This is correct for semiplanar YUV formats, as they subsample chroma horizontally by two but combined U and V in a single plane, cancelling each other. For fully planar YUV formats, however, the horizontal subsampling need to be taken into account to compute the pitch. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-08-10dumbfb: Add support tri- or quadri-planar buffersLaurent Pinchart
The DumbFrameBuffer class supports up to 4 planes, as required by the DRM/KMS API, but only considers planes 0 and 1 when constructing the buffer. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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