From: Chris Morgan Date: Mon, 4 Dec 2023 18:57:13 +0000 (-0600) Subject: drm/panel: himax-hx8394: Add Panel Rotation Support X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a695a5009c8fd239a98d98209489997ff5397d2b;p=linux.git drm/panel: himax-hx8394: Add Panel Rotation Support Add support for setting the rotation property for the Himax HX8394 panel. Signed-off-by: Chris Morgan Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20231204185719.569021-5-macroalpha82@gmail.com Signed-off-by: Neil Armstrong Link: https://patchwork.freedesktop.org/patch/msgid/20231204185719.569021-5-macroalpha82@gmail.com --- diff --git a/drivers/gpu/drm/panel/panel-himax-hx8394.c b/drivers/gpu/drm/panel/panel-himax-hx8394.c index d8e590d5e1da4..b68ea09f47252 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx8394.c +++ b/drivers/gpu/drm/panel/panel-himax-hx8394.c @@ -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;