Hi Enric On Mon, Jun 15, 2020 at 10:31:01PM +0200, Enric Balletbo i Serra wrote: > (This resend is to fix some trivial conflicts due the merge window) > > 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. > > Changes in v4: > - Remove double call to drm_encoder_init(). (Chun-Kuang Hu) > - Cleanup the encoder in mtk_dsi_unbind(). (Chun-Kuang Hu) > > 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. > - 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 Patch seems ready to apply. Will they be applied to a mediatek tree or to drm-misc-next? Or shall we take the first two patches via drm-misc-next, and the remaning via a mediatek tree? (I hope not) Sam > > drivers/gpu/drm/bridge/parade-ps8640.c | 12 ++ > drivers/gpu/drm/drm_bridge_connector.c | 1 + > drivers/gpu/drm/mediatek/mtk_dsi.c | 269 ++++++++----------------- > 3 files changed, 97 insertions(+), 185 deletions(-) > > -- > 2.27.0 > > _______________________________________________ > 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
