This patchset aims to add support for the following HDMI2.0 4k60 modes: - 594Mhz TMDS frequency needing TMDS Scramling and 1/40 rate for RGB/YUV4:4:4 - 297MHz TMDS frequency with YUV4:2:0 encoding The first mode uses the SCDC helpers introduced by intel to : - discover where the monitor support SCDC - setup the SCDC parameters This is implemented in the dw-hdmi bridge driver by handling scrambling support during the bridge setup and by exporting an helper for the PHY setup to setup the SCDC configuration for the 1/40 TMDS rate. This code will only be active if the encoder support a TMDS rate > 340MHz. The second mode is implemented by added the missing 4:2:0 bypass handling in the dw-hdmi bridge driver and adding a "mtmdsclock" separating the pixel clock from the tmds clock in the mode setup phase. We also enable support for these modes in the connector only if the platform glue code explicits the support. The remaining patches adds support for : - 1/40 TMDS rate aka DIV40 in the dw-hdmi meson PHY setup - 4:2:0 output and clock setup The dw-hdmi support re-uses the support done by Rockchip engineers on the Linux 4.4 BSP kernel. These modes has been validated using a MuxLab HDMI Signal Analyser in addition to different UHD TVs supporting full 4k60 or the 4:2:0 variant. Neil Armstrong (7): drm/bridge: dw-hdmi: Add SCDC and TMDS Scrambling support drm/meson: add HDMI div40 TMDS mode drm/meson: add support for HDMI2.0 2160p modes drm/bridge: dw-hdmi: add support for YUV420 output drm/bridge: dw-hdmi: allow ycbcr420 modes for >= 0x200a drm/meson: Add YUV420 output support drm/meson: Output in YUV444 if sink supports it Zheng Yang (1): drm/bridge: dw-hdmi: support dynamically get input/out color info drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 136 ++++++++++++++++++---- drivers/gpu/drm/bridge/synopsys/dw-hdmi.h | 1 + drivers/gpu/drm/meson/meson_dw_hdmi.c | 129 +++++++++++++++++--- drivers/gpu/drm/meson/meson_vclk.c | 95 +++++++++++---- drivers/gpu/drm/meson/meson_vclk.h | 7 +- drivers/gpu/drm/meson/meson_venc.c | 8 +- drivers/gpu/drm/meson/meson_venc.h | 11 ++ drivers/gpu/drm/meson/meson_venc_cvbs.c | 3 +- include/drm/bridge/dw_hdmi.h | 7 ++ 9 files changed, 330 insertions(+), 67 deletions(-) -- 2.19.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
