drm/panel-simple: drop use of data-mapping property

The "data-mapping" property may not be the best way to describe the
interface between panels and display interfaces.
Drop use of in the panel-simple driver, so we have time to find
the right way to describe this interface.

Fixes: c3db1b4f2b2b ("drm/panel: simple: add panel-dpi support")
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: dri-devel@lists.freedesktop.org
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200314153047.2486-3-sam@ravnborg.org

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 0ce81b1f36afaa0f1280c52fd51ebad7631a006a..3ad828eaefe1ca1c5755b5f0835392aca00cafd8 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -361,7 +361,6 @@ static int panel_dpi_probe(struct device *dev,
        struct panel_desc *desc;
        unsigned int bus_flags;
        struct videomode vm;
-       const char *mapping;
        int ret;
 
        np = dev->of_node;
@@ -386,16 +385,6 @@ static int panel_dpi_probe(struct device *dev,
        of_property_read_u32(np, "width-mm", &desc->size.width);
        of_property_read_u32(np, "height-mm", &desc->size.height);
 
-       of_property_read_string(np, "data-mapping", &mapping);
-       if (!strcmp(mapping, "rgb24"))
-               desc->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
-       else if (!strcmp(mapping, "rgb565"))
-               desc->bus_format = MEDIA_BUS_FMT_RGB565_1X16;
-       else if (!strcmp(mapping, "bgr666"))
-               desc->bus_format = MEDIA_BUS_FMT_RGB666_1X18;
-       else if (!strcmp(mapping, "lvds666"))
-               desc->bus_format = MEDIA_BUS_FMT_RGB666_1X24_CPADHI;
-
        /* Extract bus_flags from display_timing */
        bus_flags = 0;
        vm.flags = timing->flags;