Hi Marek, On Tue, Apr 12, 2022 at 3:15 PM Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote: > > Hi Jagan, > > On 08.04.2022 18:20, Jagan Teki wrote: > > Samsung MIPI DSIM controller is common DSI IP that can be used in various > > SoCs like Exynos, i.MX8M Mini/Nano. > > > > In order to access this DSI controller between various platform SoCs, the > > ideal way to incorporate this in the drm stack is via the drm bridge driver. > > > > This patch is trying to differentiate platform-specific and bridge driver > > code and keep maintaining the exynos_drm_dsi.c code as platform-specific > > glue code and samsung-dsim.c as a common bridge driver code. > > > > - Exynos specific glue code is exynos specific te_irq, host_attach, and > > detach code along with conventional component_ops. > > > > - Samsung DSIM is a bridge driver which is common across all platforms and > > the respective platform-specific glue will initialize at the end of the > > probe. The platform-specific operations and other glue calls will invoke > > on associate code areas. > > > > Updated MAINTAINERS file for this bridge with exynos drm maintainers along > > with Andrzej as he is the original author. > > > > Tomasz Figa has been not included in MAINTAINERS as he is not available via > > samsung.com. > > > > v1: > > * Don't maintain component_ops in bridge driver > > * Don't maintain platform glue code in bridge driver > > * Add platform-specific glue code and make a common bridge > > > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > > Well, it took me a while to make this working on Exynos. I'm not really > happy of the design, although I didn't spent much time thinking how to > improve it and clarify some ambiguities. It doesn't even look that one > has compiled the Exynos code after this conversion. Well, I was successfully built the each commit on exynos and non-exynos > > The following changes are needed to get it to the same working state as > before this patch (the next patches however break it even further): > > commit e358ee6239305744062713c5aa2e8d44f740b81a (HEAD) > Author: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Date: Tue Apr 12 11:30:26 2022 +0200 > > drm: exynos: dsi: fixup driver after conversion What exactly it is fixing the existing conversion, could you point that out? Jagan.