From aedfd0b9ae0a5759e4db1a6185637aa89b3df5f3 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Thu, 31 Mar 2022 17:05:04 +0200 Subject: drm: bridge: icn6211: Disable DPI color swap 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. Acked-by: Maxime Ripard Signed-off-by: Marek Vasut Cc: Jagan Teki Cc: Maxime Ripard Cc: Robert Foss Cc: Sam Ravnborg Cc: Thomas Zimmermann To: dri-devel@lists.freedesktop.org Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/20220331150509.9838-7-marex@denx.de --- drivers/gpu/drm/bridge/chipone-icn6211.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/gpu/drm/bridge/chipone-icn6211.c b/drivers/gpu/drm/bridge/chipone-icn6211.c index e3a7b945a0ef..4d6baef7ce16 100644 --- a/drivers/gpu/drm/bridge/chipone-icn6211.c +++ b/drivers/gpu/drm/bridge/chipone-icn6211.c @@ -296,6 +296,7 @@ static void chipone_atomic_enable(struct drm_bridge *bridge, ICN6211_DSI(icn, HFP_MIN, hfp & 0xff); 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) | -- cgit v1.2.3