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    SubjectRe: [PATCH v3 0/7] Convert mtk-dsi to drm_bridge API and get EDID for ps8640 bridge
    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@chromium.org/
    >
    > 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@ravnborg.org>


    >
    > 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@lists.freedesktop.org
    > https://lists.freedesktop.org/mailman/listinfo/dri-devel

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