Hi Swapnil, On Mon, Aug 24, 2020 at 07:16:31AM +0000, Swapnil Kashinath Jakhade wrote: [..snip..] > Following are the differences between MHDP IPs from Cadence for Rockchip, TI and NxP: > > The Rockchip and NXP MHDP Core shares the same part (IP8501) which is DP v1.3 SST > Controller with HDCP 2.2/1.x. NXP's version additionally supports HDMI. > TI uses a different part (IP8546A), which is DP v1.4 with HDCP 2.2/1.x. > TI DP Controller adds support for additional features such as Multi Stream Support (MST), > Forward Error Correction (FEC) and Compression (DSC). > > Also, FW used for TI has significant differences than FW used for Rockchip or NXP. > NxP and TI firmware are developed and maintained separately by Cadence and are in > active support. > > From the Linux driver perspective, given the differences, it would make sense to have > TI driver maintained separately. Thanks for the clarification, that indeed helps a lot. So the rockchip and nxp drivers can be merged while the ti one should stay separate. Cheers, -- Guido > > Thanks, > Swapnil > > > > > > I'm worried that if there are IP differences, even if not great ones, > > > and if the FWs are different and developed separately, it'll be a > > > constant "fix X for SoC A, and accidentally break Y for SoC B and C", > > especially if too much code is shared. > > > > > > In the long run I'm all for a single driver (or large shared parts), > > > but I'm not sure if we should start with that approach. > > > > > > > > > > > > > > Tomi > > > > > > -- > > > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. > > > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki > > > >
