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drm/panel: himax-hx8394: Add Panel Rotation Support

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Add support for setting the rotation property for the Himax HX8394
panel.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231204185719.569021-5-macroalpha82@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231204185719.569021-5-macroalpha82@gmail.com
This commit is contained in:
Chris Morgan
2023-12-04 12:57:13 -06:00
committed by Neil Armstrong
parent be478bc7ab
commit a695a5009c
1 changed files with 15 additions and 0 deletions
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15
drivers/gpu/drm/panel/panel-himax-hx8394.c
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@@ -68,6 +68,7 @@ struct hx8394 {
struct gpio_desc *reset_gpio;
struct regulator *vcc;
struct regulator *iovcc;
enum drm_panel_orientation orientation;
const struct hx8394_panel_desc *desc;
};
@@ -324,12 +325,20 @@ static int hx8394_get_modes(struct drm_panel *panel,
return 1;
}
static enum drm_panel_orientation hx8394_get_orientation(struct drm_panel *panel)
{
struct hx8394 *ctx = panel_to_hx8394(panel);
return ctx->orientation;
}
static const struct drm_panel_funcs hx8394_drm_funcs = {
.disable = hx8394_disable,
.unprepare = hx8394_unprepare,
.prepare = hx8394_prepare,
.enable = hx8394_enable,
.get_modes = hx8394_get_modes,
.get_orientation = hx8394_get_orientation,
};
static int hx8394_probe(struct mipi_dsi_device *dsi)
@@ -347,6 +356,12 @@ static int hx8394_probe(struct mipi_dsi_device *dsi)
return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
"Failed to get reset gpio\n");
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;