This patch series enables HDCP in Cadence MHDP DPI/DP bridge driver. Changes since v1: - Move sapb reg block right after apb reg block - Corresponding changes in binding and example Changes since v2: - Revert reg resource sequence in binding and use resource mapping by name - Remove hdcp_config from binding and use DRM HDCP Content Type property to select HDCP version Changes since v3: - Fix kernel test robot warning Changes since v4: - Fix binding issue Changes since v5: - Maintain backward compatibility of driver on platforms without SAPB port by allowing driver to continue without HDCP feature instead of returning error Parshuram Thombare (2): dt-bindings: drm/bridge: MHDP8546 bridge binding changes for HDCP drm: bridge: cdns-mhdp8546: Enable HDCP .../display/bridge/cdns,mhdp8546.yaml | 15 +- drivers/gpu/drm/bridge/cadence/Makefile | 2 +- .../drm/bridge/cadence/cdns-mhdp8546-core.c | 128 +++- .../drm/bridge/cadence/cdns-mhdp8546-core.h | 22 + .../drm/bridge/cadence/cdns-mhdp8546-hdcp.c | 570 ++++++++++++++++++ .../drm/bridge/cadence/cdns-mhdp8546-hdcp.h | 92 +++ 6 files changed, 812 insertions(+), 17 deletions(-) create mode 100644 drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c create mode 100644 drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.h -- 2.25.1
