Hi Tomasz, On Friday 21 December 2012 11:00:52 Tomasz Figa wrote: > On Tuesday 18 of December 2012 08:31:30 Vikas Sajjan wrote: > > On 17 December 2012 20:55, Laurent Pinchart wrote: > > > Hi Vikas, > > > > > > Sorry for the late reply. I now have more time to work on CDF, so > > > delays should be much shorter. > > > > > > On Thursday 06 December 2012 10:51:15 Vikas Sajjan wrote: > > > > Hi Laurent, > > > > > > > > I was thinking of porting CDF to samsung EXYNOS 5250 platform, what > > > > I found is that, the exynos display controller is MIPI DSI based > > > > controller. > > > > > > > > But if I look at CDF patches, it has only support for MIPI DBI based > > > > Display controller. > > > > > > > > So my question is, do we have any generic framework for MIPI DSI > > > > based display controller? basically I wanted to know, how to go about > > > > porting CDF for such kind of display controller. > > > > > > MIPI DSI support is not available yet. The only reason for that is > > > that I don't have any MIPI DSI hardware to write and test the code > > > with :-) > > > > > > The common display framework should definitely support MIPI DSI. I > > > think the existing MIPI DBI code could be used as a base, so the > > > implementation shouldn't be too high. > > > > > > Yeah, i was also thinking in similar lines, below is my though for > > > MIPI DSI support in CDF. > > > > o MIPI DSI support as part of CDF framework will expose > > § mipi_dsi_register_device(mpi_device) (will be called mach-xxx-dt.c > > file ) > > § mipi_dsi_register_driver(mipi_driver, bus ops) (will be called from > > platform specific init driver call ) > > · bus ops will be > > o read data > > o write data > > o write command > > § MIPI DSI will be registered as bus_register() > > > > When MIPI DSI probe is called, it (e.g., Exynos or OMAP MIPI DSI) will > > initialize the MIPI DSI HW IP. > > > > This probe will also parse the DT file for MIPI DSI based panel, add > > the panel device (device_add() ) to kernel and register the display > > entity with its control and video ops with CDF. > > > > I can give this a try. > > I am currently in progress of reworking Exynos MIPI DSIM code and s6e8ax0 > LCD driver to use the v2 RFC of Common Display Framework. I have most of > the work done, I have just to solve several remaining problems. Do you already have code that you can publish ? I'm particularly interested (and I think Tomi Valkeinen would be as well) in looking at the DSI operations you expose to DSI sinks (panels, transceivers, ...). -- Regards, Laurent Pinchart _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
