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From 6da5134dcde68af6d86003931375ca1a6e6d0169 Mon Sep 17 00:00:00 2001
From: Joerg Quinten <aBUGSworstnightmare@gmail.com>
Date: Fri, 18 Jun 2021 13:02:29 +0200
Subject: [PATCH] Support RPi DPI interface in mode6 for 18-bit color
A matching media bus format was added and an overlay for using it,
both with FB and VC4 was added as well.
Signed-off-by: Joerg Quinten <aBUGSworstnightmare@gmail.com>
---
drivers/gpu/drm/vc4/vc4_dpi.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -170,10 +170,16 @@ static void vc4_dpi_encoder_enable(struc
dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR,
DPI_ORDER);
break;
+ case MEDIA_BUS_FMT_BGR666_1X24_CPADHI:
+ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER);
+ fallthrough;
case MEDIA_BUS_FMT_RGB666_1X24_CPADHI:
dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_2,
DPI_FORMAT);
break;
+ case MEDIA_BUS_FMT_BGR666_1X18:
+ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER);
+ fallthrough;
case MEDIA_BUS_FMT_RGB666_1X18:
dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1,
DPI_FORMAT);
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