Hi, On 06/30/2015 10:54 AM, Archit Taneja wrote: > We are currently restricted when it comes to supporting DSI on devices > that have a non-DSI control bus. For example, DSI encoder chips are > available in the market that are configured via i2c. Configuring their > registers via DSI bus is either optional or not available at all. > > These devices still need to pass DSI parameters (data lanes, mode flags > etc) to the DSI host they are connected to. We don't have a way to do > that at the moment. > > The method presented in these patches is to provide an API to create a > 'dummy' mipi_dsi_device. This device is populated with the desired DSI > params, which are passed on to the host via mipi_dsi_attach(). > > This method will require the device driver to get a phandle to the DSI > host since there is no parent-child relation between the two. > > Is there a better way to do this? Please let me know!
Any comments on this? Archit > > Archit Taneja (2): > drm/dsi: Create dummy DSI devices > drm/dsi: Get DSI host by DT device node > > drivers/gpu/drm/drm_mipi_dsi.c | 108 > ++++++++++++++++++++++++++++++++++++++++- > include/drm/drm_mipi_dsi.h | 4 ++ > 2 files changed, 110 insertions(+), 2 deletions(-) > -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project