On Fri, Apr 17, 2020 at 05:06:07PM +0200, Enric Balletbo i Serra wrote: > The PS8640 dsi-to-eDP bridge driver is using the panel bridge API, > however, not all the components in the chain have been ported to the > drm_bridge API. Actually, when a panel is attached the default panel's mode > is used, but in some cases we can't get display up if mode getting from > eDP control EDID is not chosen. > > This series address that problem, first implements the .get_edid() > callback in the PS8640 driver (which is not used until the conversion is > done) and then, converts the Mediatek DSI driver to use the drm_bridge > API. > > As far as I know, we're the only users of the mediatek dsi driver in > mainline, so should be safe to switch to the new chain of drm_bridge API > unconditionally. > > The patches has been tested on a Acer Chromebook R13 (Elm) running a > Chrome OS userspace and checking that the valid EDID mode reported by > the bridge is selected. > > [1] https://lore.kernel.org/lkml/20200210063523.133333-1-hsinyi@xxxxxxxxxxxx/ > > Changes in v3: > - Replace s/bridge/next bridge/ for comment. (Laurent Pinchart) > - Add the bridge.type. (Laurent Pinchart) > - Use next_bridge field to store the panel bridge. (Laurent Pinchart) > - Add the bridge.type field. (Laurent Pinchart) > - This patch requires https://lkml.org/lkml/2020/4/16/2080 to work > properly. This patch is now applied to drm-misc-next. IMO this patchset could go in now. > - Move the bridge.type line to the patch that adds drm_bridge support. (Laurent Pinchart) > > Changes in v2: > - Do not set connector_type for panel here. (Sam Ravnborg) > > Enric Balletbo i Serra (7): > drm/bridge: ps8640: Get the EDID from eDP control > drm/bridge_connector: Set default status connected for eDP connectors > drm/mediatek: mtk_dsi: Rename bridge to next_bridge > drm/mediatek: mtk_dsi: Convert to bridge driver > drm/mediatek: mtk_dsi: Use simple encoder > drm/mediatek: mtk_dsi: Use the drm_panel_bridge API > drm/mediatek: mtk_dsi: Create connector for bridges All patches: Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > > drivers/gpu/drm/bridge/parade-ps8640.c | 12 ++ > drivers/gpu/drm/drm_bridge_connector.c | 1 + > drivers/gpu/drm/mediatek/mtk_dsi.c | 276 ++++++++----------------- > 3 files changed, 96 insertions(+), 193 deletions(-) > > -- > 2.25.1 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
