On Tue, Mar 28, 2023 at 01:05:24PM +0900, Inki Dae wrote: > Hi Dave and Daniel, > > Just one patch series that moves the existing Exynos DSI driver > to drm/bridge directory to support both SoCs family - Exynos > and I.MX - because same Exynos MIPI DSI ip can be used by the two > different SoC family. > > Of course, there are some concerns about this patch series because Exynos > and I.MX SoCs have different HW characteristic but use the same HW driver. > However, I believe that there should be no problem as Exynos and I.MX > developers have conducted tests and reviews enough for about a year > since last April. > > This would be the first case that we allow different vendor SoCs to use > same device driver at least in DRM world so we anticipate experiencing > and resolving new issues through ongoing maintenance, and ultimately, > the experiences gained here will undoubtedly be able to contribute > the development of the community as well. > > Please kindly let me know if there is any problem. > > Thanks, > Inki Dae > > The following changes since commit 46f28427f6f824b6cff06fa025a55350b7de454a: > > Merge tag 'drm-rcar-next-20230325' of git://git.kernel.org/pub/scm/linux/kernel/git/pinchartl/linux into drm-next (2023-03-27 18:20:20 +0200) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos tags/exynos-drm-next-for-v6.4 Merged, but usually all drm bridge stuff goes through drm-misc, least so that there's some amount of collaboration and not so much inter-tree syncing. Please apply for drm-misc commit rights (at least a quick check shows no one from samsung) and land future bridge patches through that tree. Cheers, Daniel > > for you to fetch changes up to b2cfec52feb3bb737c4b65018ef4bfe9789e4be8: > > drm: bridge: samsung-dsim: Add i.MX8M Plus support (2023-03-28 09:05:41 +0900) > > ---------------------------------------------------------------- > A patch series for moving MIPI-DSI driver for Exynos DRM to drm/bridge > directory so that I.MX SoC family can also share the same device driver. > Samsung MIPI DSIM device is a common IP that can be used by Exynos and I.MX8M > Mini/Nano/Plus SoC. Regarding this, this patch series has added several > things below to existing MIPI DSI driver, > - Add exynos_dsi_type enum type to provide controller data from different > platforms. > - Add two pipeline detection ways support - existing Exynos DSI child node > and I.MX family of-graph port or ports. > - Consider component and bridged based DRM drivers. > - Add device tree binding support of I.MX family. > > ---------------------------------------------------------------- > Jagan Teki (14): > drm: exynos: dsi: Drop explicit call to bridge detach > drm: exynos: dsi: Lookup OF-graph or Child node devices > drm: exynos: dsi: Mark PHY as optional > drm: exynos: dsi: Add platform PLL_P (PMS_P) offset > drm: exynos: dsi: Introduce hw_type platform data > drm: exynos: dsi: Add atomic check > drm: exynos: dsi: Add input_bus_flags > drm: exynos: dsi: Add atomic_get_input_bus_fmts > drm: exynos: dsi: Consolidate component and bridge > drm: exynos: dsi: Add host helper for te_irq_handler > drm: bridge: Generalize Exynos-DSI driver into a Samsung DSIM bridge > dt-bindings: display: exynos: dsim: Add NXP i.MX8M Mini/Nano support > drm: bridge: samsung-dsim: Add i.MX8M Mini/Nano support > dt-bindings: display: exynos: dsim: Add NXP i.MX8M Plus support > > Marek Szyprowski (1): > drm: exynos: dsi: Handle proper host initialization > > Marek Vasut (1): > drm: bridge: samsung-dsim: Add i.MX8M Plus support > > .../bindings/display/exynos/exynos_dsim.txt | 2 + > MAINTAINERS | 9 + > drivers/gpu/drm/bridge/Kconfig | 12 + > drivers/gpu/drm/bridge/Makefile | 1 + > drivers/gpu/drm/bridge/samsung-dsim.c | 1967 ++++++++++++++++++++ > drivers/gpu/drm/exynos/Kconfig | 1 + > drivers/gpu/drm/exynos/exynos_drm_dsi.c | 1813 +----------------- > include/drm/bridge/samsung-dsim.h | 115 ++ > 8 files changed, 2191 insertions(+), 1729 deletions(-) > create mode 100644 drivers/gpu/drm/bridge/samsung-dsim.c > create mode 100644 include/drm/bridge/samsung-dsim.h -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch
