Den 13.03.2021 12.25, skrev Noralf Trønnes: > Hi, > > A while back I had the idea to turn a Raspberry Pi Zero into a $5 > USB to HDMI/SDTV/DPI display adapter. > > The protocol is open so people are free to make displays implementing it and > use this driver, all that's needed is to add a USB vid:pid to the driver for > the display. > > See the wiki[1] for more information and images for the Raspberry Pi Zero/4. > > Changes in this version: > - Forgot to filter RGB111 from reaching userspace > - Handle a device that only returns unknown device properties (Peter) > - s/GUD_PIXEL_FORMAT_RGB111/GUD_PIXEL_FORMAT_XRGB1111/ (Peter) > - Fix R1 and XRGB1111 format conversion > - Add FIXME about Big Endian being broken (Peter, Ilia) > > I will apply the patches as soon as the dependency shows up in drm-misc-next. > > Dependency: > drm: Use USB controller's DMA mask when importing dmabufs[2] > (currently in drm-misc-fixes but not in drm-misc-next yet, also present in > drm-tip and linux-next) > > Noralf. > > [1] https://github.com/notro/gud/wiki > [2] https://patchwork.freedesktop.org/patch/msgid/20210303133229.3288-1-tzimmermann@xxxxxxx > > > Noralf Trønnes (3): > drm/uapi: Add USB connector type > drm/probe-helper: Check epoch counter in output_poll_execute() > drm: Add GUD USB Display driver > Patches are now applied to drm-misc-next. Thanks for reviewing and testing! Noralf. > MAINTAINERS | 8 + > drivers/gpu/drm/Kconfig | 2 + > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/drm_connector.c | 1 + > drivers/gpu/drm/drm_probe_helper.c | 7 +- > drivers/gpu/drm/gud/Kconfig | 14 + > drivers/gpu/drm/gud/Makefile | 4 + > drivers/gpu/drm/gud/gud_connector.c | 729 ++++++++++++++++++++++++++++ > drivers/gpu/drm/gud/gud_drv.c | 661 +++++++++++++++++++++++++ > drivers/gpu/drm/gud/gud_internal.h | 154 ++++++ > drivers/gpu/drm/gud/gud_pipe.c | 552 +++++++++++++++++++++ > include/drm/gud.h | 333 +++++++++++++ > include/uapi/drm/drm_mode.h | 1 + > 13 files changed, 2466 insertions(+), 1 deletion(-) > create mode 100644 drivers/gpu/drm/gud/Kconfig > create mode 100644 drivers/gpu/drm/gud/Makefile > create mode 100644 drivers/gpu/drm/gud/gud_connector.c > create mode 100644 drivers/gpu/drm/gud/gud_drv.c > create mode 100644 drivers/gpu/drm/gud/gud_internal.h > create mode 100644 drivers/gpu/drm/gud/gud_pipe.c > create mode 100644 include/drm/gud.h >
