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path: root/kms++/src/card.cpp
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2022-06-09card: Add support for writeback connectorsLaurent 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>
2020-10-09Bulk format of all filesTomi Valkeinen
2020-08-10card: Add a method to retrieve the device minorLaurent Pinchart
The device minor number is needed to access the debugfs directory corresponding to the device. Make it available to users through a dev_minor() method on the Card object. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2020-05-28card: add factory function for selecting card by nameMatt Hoosier
Uses drmOpen() to do the heavy lifting.
2020-05-28card: add constructor for pre-opened FDMatt Hoosier
This is an escape hatch to let the user do whatever crazy thing he wants to obtain the DRM fd. This could be from a DRM lease, an FD passed across a Wayland protocol request, something calculated by manually walking across the set of DRI cards and selecting specific criteria, etc.
2019-11-06kms++: modernize deprecated headersTomi Valkeinen
2019-11-06card: remove useless constsTomi Valkeinen
2019-10-02card: move DRM version data to CardVersionTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-17card: another try with card constructorsTomi Valkeinen
Let's try again with the card constructors. Card::open_modesetting_card() is removed. The main constructor is Card(const std::string& dev_path = ""). If dev_path is set, the device node with that path is used. If dev_path is not set, the behavior is similar as previously, except a modeset capable card is used at the third step: - If KMSXX_DEVICE env variable is set, the card device with that path is opened. - If KMSXX_DRIVER env variable is set, the card with the given driver name and index is opened. The format is either "drvname" or "drvname:idx". - If neither env variable is given, the first modeset capable card is opened. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-17card: add has_kms()Tomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-17card: use glob() to look for card filesTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14card: add open_modesetting_card()Tomi Valkeinen
Add open_modesetting_card() which iterates the DRM cards and returns the first one that has crtcs and connectors. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14card: don't throw if no dumb buffersTomi Valkeinen
Allow opening DRM cards without dumb buffers. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14card: don't throw when no resourcesTomi Valkeinen
Allow opening DRM cards without any resources. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14Card: improve DRM card selectionTomi Valkeinen
Add new Card constructor: Card(const std::string& driver, uint32_t idx) which can be used to open Nth card for the given driver. The default constructor behavior is: - If KMSXX_DEVICE env variable is set, the card device with that path is opened. - If KMSXX_DRIVER env variable is set, the card with the given driver name and index is opened. The format is either "drvname" or "drvname:idx". - If neither env variable is given, open /dev/dri/card0 Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14Card: add support to get the driver nameTomi Valkeinen
Add support to get the driver name. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2019-01-14card: cleanup fd usageTomi Valkeinen
Use m_fd consistently. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2018-09-28Add include of <cerrno> to various filesAndrew F. Davis
This is needed for building with some version of some compilers where it is not automatically included with the existing include set (clang). Signed-off-by: Andrew F. Davis <afd@ti.com>
2018-09-10kmstest: give an error if master permissions could not be setTomi Valkeinen
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-10-20Card: add disable_all()Tomi Valkeinen
2017-10-03card: fix compile warningTomi Valkeinen
2016-07-10Fix property name lookupTomi Valkeinen
Object types can have different properties with the same name, so we need to move name-based property lookup from Card to DrmPropObject. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2016-06-11kms++: organize into subdirsTomi Valkeinen
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