mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-02-13 11:51:54 +00:00
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From b02ecdf1fb2bf67e1139747359814af0fa499fa5 Mon Sep 17 00:00:00 2001
|
|
From: Chris Morgan <macromorgan@hotmail.com>
|
|
Date: Fri, 28 Jan 2022 17:39:54 -0600
|
|
Subject: [PATCH 024/726] drm/vc4: dpi: Support DPI interface in mode3 for
|
|
RGB565
|
|
|
|
Add support for the VC4 DPI driver to utilize DPI mode 3. This is
|
|
defined here as xxxRRRRRxxGGGGGGxxxBBBBB:
|
|
https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#parallel-display-interface-dpi
|
|
|
|
This mode is required to use the Geekworm MZP280 DPI display.
|
|
|
|
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
|
|
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_dpi.c | 4 ++++
|
|
1 file changed, 4 insertions(+)
|
|
|
|
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
index 96b5d34f6bd7..a7bebfa5d5b0 100644
|
|
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
@@ -188,6 +188,10 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
|
|
dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_1,
|
|
DPI_FORMAT);
|
|
break;
|
|
+ case MEDIA_BUS_FMT_RGB565_1X24_CPADHI:
|
|
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_2,
|
|
+ DPI_FORMAT);
|
|
+ break;
|
|
default:
|
|
DRM_ERROR("Unknown media bus format %d\n",
|
|
bus_format);
|
|
--
|
|
2.33.1
|
|
|