Hi,
this is an update to the MT8173 DRM support RFC. These patches have a build dependency on two other patches on top of v4.3-rc1: https://patchwork.kernel.org/patch/6914941 ("iommu: Implement common IOMMU ops for DMA mapping"), and https://patchwork.kernel.org/patch/6928621 ("memory: mediatek: Add SMI driver").
I have changed the device tree bindings to group the display function blocks under a display-subsystem node. I'm not happy with this organisation as the display-subsystem node is not really a physical bus. I'd much prefer connecting the function blocks with an of-graph, if it is acceptable for just the graph to cost >8 KiB dtb size.
The added HDMI driver still directly accesses an undocumented register in the apmixedsys (clock-controller) register space to set a divider of the TVDPLL. That will be fixed as soon as I understand what this clock is connected to.
Changes since v2: - Grouped DISP function block nodes under the display-subsystem node - Added of-graph ports to binding documentation - Dropped legacy framebuffer support - Dropped plane zpos property - Update plane->disp_size in atomic_update instead of atomic_check - Added asynchronous commit support - Split DSI and MIPI TX (MIPI D-PHY) drivers - Added DPI driver - Added HDMI driver - Added HDMI DDC I2C master driver - Added HDMI PHY driver
CK Hu (3): dt-bindings: drm/mediatek: Add Mediatek display subsystem dts binding drm/mediatek: Add DRM Driver for Mediatek SoC MT8173. drm/mediatek: Add DSI sub driver
Daniel Kurtz (1): drm/mediatek: Add HDMI support
Jie Qiu (2): drm/mediatek: Add DPI sub driver drm/mediatek: enable hdmi output control bit
Philipp Zabel (1): dt-bindings: drm/mediatek: Add Mediatek HDMI dts binding
.../bindings/drm/mediatek/mediatek,disp.txt | 133 +++ .../bindings/drm/mediatek/mediatek,dpi.txt | 41 + .../bindings/drm/mediatek/mediatek,dsi.txt | 53 ++ .../bindings/drm/mediatek/mediatek,hdmi.txt | 117 +++ drivers/gpu/drm/Kconfig | 2 + drivers/gpu/drm/Makefile | 1 + drivers/gpu/drm/mediatek/Kconfig | 22 + drivers/gpu/drm/mediatek/Makefile | 20 + drivers/gpu/drm/mediatek/mtk_dpi.c | 703 ++++++++++++++++ drivers/gpu/drm/mediatek/mtk_dpi.h | 83 ++ drivers/gpu/drm/mediatek/mtk_dpi_regs.h | 228 ++++++ drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 521 ++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_crtc.h | 84 ++ drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 218 +++++ drivers/gpu/drm/mediatek/mtk_drm_ddp.h | 39 + drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 373 +++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 61 ++ drivers/gpu/drm/mediatek/mtk_drm_drv.c | 546 +++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_drv.h | 59 ++ drivers/gpu/drm/mediatek/mtk_drm_fb.c | 151 ++++ drivers/gpu/drm/mediatek/mtk_drm_fb.h | 29 + drivers/gpu/drm/mediatek/mtk_drm_gem.c | 207 +++++ drivers/gpu/drm/mediatek/mtk_drm_gem.h | 56 ++ drivers/gpu/drm/mediatek/mtk_drm_hdmi_drv.c | 648 +++++++++++++++ drivers/gpu/drm/mediatek/mtk_drm_plane.c | 175 ++++ drivers/gpu/drm/mediatek/mtk_drm_plane.h | 38 + drivers/gpu/drm/mediatek/mtk_dsi.c | 797 ++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_dsi.h | 54 ++ drivers/gpu/drm/mediatek/mtk_hdmi.c | 521 ++++++++++++ drivers/gpu/drm/mediatek/mtk_hdmi.h | 120 +++ drivers/gpu/drm/mediatek/mtk_hdmi_ddc_drv.c | 362 ++++++++ drivers/gpu/drm/mediatek/mtk_hdmi_hw.c | 906 +++++++++++++++++++++ drivers/gpu/drm/mediatek/mtk_hdmi_hw.h | 76 ++ drivers/gpu/drm/mediatek/mtk_hdmi_phy.c | 320 ++++++++ drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 20 + drivers/gpu/drm/mediatek/mtk_hdmi_regs.h | 355 ++++++++ drivers/gpu/drm/mediatek/mtk_mipi_tx.c | 375 +++++++++ drivers/gpu/drm/mediatek/mtk_mipi_tx.h | 21 + include/drm/mediatek/mtk_hdmi_audio.h | 150 ++++ 39 files changed, 8685 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,disp.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,dpi.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,dsi.txt create mode 100644 Documentation/devicetree/bindings/drm/mediatek/mediatek,hdmi.txt create mode 100644 drivers/gpu/drm/mediatek/Kconfig create mode 100644 drivers/gpu/drm/mediatek/Makefile create mode 100644 drivers/gpu/drm/mediatek/mtk_dpi.c create mode 100644 drivers/gpu/drm/mediatek/mtk_dpi.h create mode 100644 drivers/gpu/drm/mediatek/mtk_dpi_regs.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_crtc.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_crtc.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_drv.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_drv.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_fb.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_fb.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_gem.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_gem.h create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_hdmi_drv.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_plane.c create mode 100644 drivers/gpu/drm/mediatek/mtk_drm_plane.h create mode 100644 drivers/gpu/drm/mediatek/mtk_dsi.c create mode 100644 drivers/gpu/drm/mediatek/mtk_dsi.h create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi.c create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi.h create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_ddc_drv.c create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_hw.c create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_hw.h create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_phy.c create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_phy.h create mode 100644 drivers/gpu/drm/mediatek/mtk_hdmi_regs.h create mode 100644 drivers/gpu/drm/mediatek/mtk_mipi_tx.c create mode 100644 drivers/gpu/drm/mediatek/mtk_mipi_tx.h create mode 100644 include/drm/mediatek/mtk_hdmi_audio.h