On Tue, Nov 29, 2016 at 11:47:45AM +0100, Neil Armstrong wrote: > This a repost of the previous RFC at [1] with fixes, the following patches will > be sent via a PULL Request once the Amlogic maintainer acks and takes the DT > patches to avoid merges conflicts. > > The Amlogic Meson SoCs embeds a Video Processing Unit able to output at least > a Composite/CVBS Video with embedded VDAC and an HDMI Link with Embedded HDMI > Transceiver. > > Thus, the current driver does not support HDMI yet. > > The Video Processig Unit is composed of multiple modules like the Video > Input Unit and the Video Post Processing that can be associated to a > CRTC with Planes management. > The last Unit is the Venc that embeds at least 3 Encoders, ENCI for Interlace > Video used by CVBS or HDMI, ENCP for Progressive Video used by the HDMI > Transceiver and ENCL for LCD Display. > > The LCD Display is not planned to be supported on the Meson GX Family. > > This driver is a DRM/KMS driver using the following DRM components : > - GEM-CMA > - PRIME-CMA > - Atomic Modesetting > - FBDev-CMA > > For the following SoCs : > - GXBB Family (S905) > - GXL Family (S905X, S905D) > - GXM Family (S912) > > The current driver only supports the CVBS PAL/NTSC output modes, but the > CRTC/Planes management should support bigger modes. > But Advanced Colorspace Conversion, Scaling and HDMI Modes will be added in > a second time. > > The Device Tree bindings makes use of the endpoints video interface definitions > to connect to the optional CVBS and in the future the HDMI Connector nodes. > > The driver has been tested with Xorg modesetting driver and Weston DRM backend. > > Changes since RFC at [1] : > - Add maintainers entry > - Move all Plane and CRTC code from backend to corresponding DRM code > - Keep only init and common code in backend source files > - Move the CVBS encoder out of the CVBS DT node, only keep the connector > - Various cleanups using DRM helpers > - Cleanup of copyright headers > - Fixup of bindings documentation > > [1] http://lkml.kernel.org/r/1480089791-12517-1-git-send-email-narmstrong@xxxxxxxxxxxx > > Neil Armstrong (4): > drm: Add support for Amlogic Meson Graphic Controller > ARM64: dts: meson-gx: Add Graphic Controller nodes > dt-bindings: display: add Amlogic Meson DRM Bindings > MAINTAINERS: add entry for Amlogic DRM drivers I think this is all reasonable, once you have an ack from DT maintainers pls send the pull request to Dave. Acked-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > .../bindings/display/meson/meson-drm.txt | 134 ++ > MAINTAINERS | 9 + > arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 46 + > .../boot/dts/amlogic/meson-gxbb-nexbox-a95x.dts | 4 + > arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 4 + > arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 8 + > .../boot/dts/amlogic/meson-gxl-nexbox-a95x.dts | 4 + > arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 8 + > .../arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts | 4 + > arch/arm64/boot/dts/amlogic/meson-gxm.dtsi | 8 + > drivers/gpu/drm/Kconfig | 2 + > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/meson/Kconfig | 9 + > drivers/gpu/drm/meson/Makefile | 5 + > drivers/gpu/drm/meson/meson_canvas.c | 68 + > drivers/gpu/drm/meson/meson_canvas.h | 42 + > drivers/gpu/drm/meson/meson_crtc.c | 208 +++ > drivers/gpu/drm/meson/meson_crtc.h | 32 + > drivers/gpu/drm/meson/meson_cvbs.c | 177 +++ > drivers/gpu/drm/meson/meson_drv.c | 385 ++++++ > drivers/gpu/drm/meson/meson_drv.h | 61 + > drivers/gpu/drm/meson/meson_plane.c | 230 ++++ > drivers/gpu/drm/meson/meson_plane.h | 30 + > drivers/gpu/drm/meson/meson_registers.h | 1395 ++++++++++++++++++++ > drivers/gpu/drm/meson/meson_vclk.c | 167 +++ > drivers/gpu/drm/meson/meson_vclk.h | 34 + > drivers/gpu/drm/meson/meson_venc.c | 254 ++++ > drivers/gpu/drm/meson/meson_venc.h | 72 + > drivers/gpu/drm/meson/meson_venc_cvbs.c | 187 +++ > drivers/gpu/drm/meson/meson_venc_cvbs.h | 41 + > drivers/gpu/drm/meson/meson_viu.c | 331 +++++ > drivers/gpu/drm/meson/meson_viu.h | 64 + > drivers/gpu/drm/meson/meson_vpp.c | 162 +++ > drivers/gpu/drm/meson/meson_vpp.h | 35 + > 34 files changed, 4221 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/meson/meson-drm.txt > create mode 100644 drivers/gpu/drm/meson/Kconfig > create mode 100644 drivers/gpu/drm/meson/Makefile > create mode 100644 drivers/gpu/drm/meson/meson_canvas.c > create mode 100644 drivers/gpu/drm/meson/meson_canvas.h > create mode 100644 drivers/gpu/drm/meson/meson_crtc.c > create mode 100644 drivers/gpu/drm/meson/meson_crtc.h > create mode 100644 drivers/gpu/drm/meson/meson_cvbs.c > create mode 100644 drivers/gpu/drm/meson/meson_drv.c > create mode 100644 drivers/gpu/drm/meson/meson_drv.h > create mode 100644 drivers/gpu/drm/meson/meson_plane.c > create mode 100644 drivers/gpu/drm/meson/meson_plane.h > create mode 100644 drivers/gpu/drm/meson/meson_registers.h > create mode 100644 drivers/gpu/drm/meson/meson_vclk.c > create mode 100644 drivers/gpu/drm/meson/meson_vclk.h > create mode 100644 drivers/gpu/drm/meson/meson_venc.c > create mode 100644 drivers/gpu/drm/meson/meson_venc.h > create mode 100644 drivers/gpu/drm/meson/meson_venc_cvbs.c > create mode 100644 drivers/gpu/drm/meson/meson_venc_cvbs.h > create mode 100644 drivers/gpu/drm/meson/meson_viu.c > create mode 100644 drivers/gpu/drm/meson/meson_viu.h > create mode 100644 drivers/gpu/drm/meson/meson_vpp.c > create mode 100644 drivers/gpu/drm/meson/meson_vpp.h > > -- > 1.9.1 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
