• Eunchul Kim's avatar
    drm/exynos: add rotator ipp driver · bea8a429
    Eunchul Kim authored
    This patch adds IPP subsystem-based rotator driver.
    And Rotator supports the following features.
    - Image crop operation support.
    - Rotate operation support to 90, 180 or 270 degree.
    - Flip operation support to vertical, horizontal or both.
      . as limitaions, the pixel format to source buffer should be
        same as the one to destination buffer and no scaler.
    
    This driver is registered to IPP subsystem framework to be used by user side
    and user can control the Rotator hardware through some interfaces of IPP
    subsystem framework.
    
    Changelog v6:
    - fix build warning.
    
    Changelog v1 ~ v5:
    - added comments, code fixups and cleanups.
    Signed-off-by: default avatarEunchul Kim <chulspro.kim@samsung.com>
    Signed-off-by: default avatarYoungjun Cho <yj44.cho@samsung.com>
    Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
    Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
    bea8a429
exynos_drm_rotator.c 19.1 KB