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

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

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230718-feature-st7789v-v3-2-157d68fb63e2@wolfvision.net
This commit is contained in:
Michael Riesch 2023-08-04 13:23:09 +02:00 committed by Neil Armstrong
parent a238b5ee39
commit b27c0f6d20
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/panel/panel-sitronix-st7789v.c
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@ -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;