The chip is capable of swapping DPI RGB channels. The driver currently does not implement support for this functionality. Write the MIPI_PN_SWAP register to 0 to assure the color swap is disabled.
Signed-off-by: Marek Vasut <[email protected]> Cc: Jagan Teki <[email protected]> Cc: Maxime Ripard <[email protected]> Cc: Robert Foss <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Thomas Zimmermann <[email protected]> To: [email protected] --- V2: Rebase on next-20220214 --- drivers/gpu/drm/bridge/chipone-icn6211.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index 2040596717139..f475426507f19 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -302,6 +302,7 @@ static void chipone_atomic_enable(struct drm_bridge *bridge, ICN6211_DSI(icn, MIPI_PD_CK_LANE, 0xa0); ICN6211_DSI(icn, PLL_CTRL(12), 0xff); + ICN6211_DSI(icn, MIPI_PN_SWAP, 0x00); /* DPI HS/VS/DE polarity */ pol = ((mode->flags & DRM_MODE_FLAG_PHSYNC) ? BIST_POL_HSYNC_POL : 0) | -- 2.34.1
