We found freescale imx6 and rockchip rk3288 and Ingenic JZ4780 (Xburst/MIPS) use the interface compatible Designware HDMI IP, but they also have some lightly difference, such as phy pll configuration, register width(imx hdmi register is one byte, but rk3288 is 4 bytes width and can only access by word), 4K support(imx6 doesn't support 4k, but rk3288 does).
To reuse the imx-hdmi driver, we do this patch set: patch (1): split out imx-soc code from imx-hdmi to dw_hdmi-imx.c patch (2): move imx-hdmi to bridge/, and rename to dw-hdmi to make this driver indepent of drm-imx . And we will add rockchip platform specific code dw_hdmi-rockchip.c later, this is depend on drm-rockchip.
Changes in V2: - use git format-patch -M to generate these patch - remove change-id - remove from
Andy Yan (2): imx-drm: imx-hdmi: split imx soc specific code from imx-hdmi move imx-hdmi to bridge/dw-hdmi
drivers/gpu/drm/bridge/Kconfig | 5 + drivers/gpu/drm/bridge/Makefile | 1 + .../imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c} | 964 +++++++++------------ .../imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h} | 0 drivers/staging/imx-drm/Kconfig | 1 + drivers/staging/imx-drm/Makefile | 2 +- drivers/staging/imx-drm/dw_hdmi-imx.c | 214 +++++ include/drm/bridge/dw_hdmi.h | 114 +++ 8 files changed, 760 insertions(+), 541 deletions(-) rename drivers/{staging/imx-drm/imx-hdmi.c => gpu/drm/bridge/dw_hdmi.c} (57%) rename drivers/{staging/imx-drm/imx-hdmi.h => gpu/drm/bridge/dw_hdmi.h} (100%) create mode 100644 drivers/staging/imx-drm/dw_hdmi-imx.c create mode 100644 include/drm/bridge/dw_hdmi.h