[PATCH 2/2] drm/panel: ilitek-ili9881c: Report subpixel order according to rotation

[Philipp Zabel]

Assume a default RGB subpixel order and flip it around if 180° rotation
is configured via address mode. Report subpixel order to userspace.

Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
 drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index b4565ff1a0de..28cd7560e5db 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1471,6 +1471,10 @@ 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;
+	if (ctx->address_mode == 0x3)
+		connector->display_info.subpixel_order = SubPixelHorizontalBGR;
+	else
+		connector->display_info.subpixel_order = SubPixelHorizontalRGB;
 
 	/*
 	 * TODO: Remove once all drm drivers call

-- 
2.39.2