Commit b27c0f6d authored by Michael Riesch's avatar Michael Riesch Committed by Neil Armstrong
Browse files

drm/panel: sitronix-st7789v: add panel orientation support 



Determine the orientation of the display based on the device tree and
propagate it.

Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: default avatarSebastian Reichel <sre@kernel.org>
Signed-off-by: default avatarMichael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230718-feature-st7789v-v3-2-157d68fb63e2@wolfvision.net
parent a238b5ee

drivers/gpu/drm/panel/panel-sitronix-st7789v.c

+17 −0
Original line number Diff line number Diff line
@@ -126,6 +126,7 @@ struct st7789v { 
	struct spi_device *spi;

	struct gpio_desc *reset;

	struct regulator *power;

	enum drm_panel_orientation orientation;

};



enum st7789v_prefix {
@@ -325,9 +326,22 @@ static int st7789v_get_modes(struct drm_panel *panel, 
	drm_display_info_set_bus_formats(&connector->display_info,

					 &ctx->info->bus_format, 1);



	/*

	 * TODO: Remove once all drm drivers call

	 * drm_connector_set_orientation_from_panel()

	 */

	drm_connector_set_panel_orientation(connector, ctx->orientation);



	return 1;

}



static enum drm_panel_orientation st7789v_get_orientation(struct drm_panel *p)

{

	struct st7789v *ctx = panel_to_st7789v(p);



	return ctx->orientation;

}



static int st7789v_prepare(struct drm_panel *panel)

{

	struct st7789v *ctx = panel_to_st7789v(panel);
@@ -522,6 +536,7 @@ static const struct drm_panel_funcs st7789v_drm_funcs = { 
	.disable = st7789v_disable,

	.enable	= st7789v_enable,

	.get_modes = st7789v_get_modes,

	.get_orientation = st7789v_get_orientation,

	.prepare = st7789v_prepare,

	.unprepare = st7789v_unprepare,

};
@@ -563,6 +578,8 @@ static int st7789v_probe(struct spi_device *spi) 
	if (ret)

		return dev_err_probe(dev, ret, "Failed to get backlight\n");



	of_drm_get_panel_orientation(spi->dev.of_node, &ctx->orientation);



	drm_panel_add(&ctx->panel);



	return 0;