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drm/panel: add rotation support for Elida KD35T133 panels

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Update the panel to allow setting the rotation value in device tree.
Tested on an Odroid Go Advance, where the panel is by default rotated 270
degrees.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/SN6PR06MB534253E1CFDEA6917230F57BA57A9@SN6PR06MB5342.namprd06.prod.outlook.com
This commit is contained in:
Chris Morgan 2021-04-02 15:48:47 -05:00 committed by Heiko Stuebner
parent 8fd54b2c94
commit 610d9c311b
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/panel/panel-elida-kd35t133.c
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@ -42,6 +42,7 @@ struct kd35t133 {
struct gpio_desc *reset_gpio;
struct regulator *vdd;
struct regulator *iovcc;
enum drm_panel_orientation orientation;
bool prepared;
};
@ -216,6 +217,7 @@ static int kd35t133_get_modes(struct drm_panel *panel,
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
drm_mode_probed_add(connector, mode);
drm_connector_set_panel_orientation(connector, ctx->orientation);
return 1;
}
@ -258,6 +260,12 @@ static int kd35t133_probe(struct mipi_dsi_device *dsi)
return ret;
}
ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
if (ret < 0) {
dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
return ret;
}
mipi_dsi_set_drvdata(dsi, ctx);
ctx->dev = dev;