Messages in this thread Patch in this message | | | From | John Keeping <> | Subject | [PATCH 3/3] drm/panel: ilitek-ili9881c: Read panel orientation | Date | Wed, 20 Oct 2021 16:34:30 +0100 |
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The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for ILI9881C based panels.
Signed-off-by: John Keeping <john@metanate.com> --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index d68c52bd53c2..ba30d11547ad 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -52,6 +52,8 @@ struct ili9881c { struct regulator *power; struct gpio_desc *reset; + + enum drm_panel_orientation orientation; }; #define ILI9881C_SWITCH_PAGE_INSTR(_page) \ @@ -851,6 +853,8 @@ static int ili9881c_get_modes(struct drm_panel *panel, connector->display_info.width_mm = mode->width_mm; connector->display_info.height_mm = mode->height_mm; + drm_connector_set_panel_orientation(connector, ctx->orientation); + return 1; } @@ -887,6 +891,13 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), "Couldn't get our reset GPIO\n"); + ret = of_drm_get_panel_orientation(dsi->dev.of_node, &ctx->orientation); + if (ret) { + dev_err(&dsi->dev, "%pOF: failed to get orientation: %d\n", + dsi->dev.of_node, ret); + return ret; + } + ret = drm_panel_of_backlight(&ctx->panel); if (ret) return ret; -- 2.33.1
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