mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-02-15 04:42:02 +00:00
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From c63a1b63d37c4c0a13108a87dae408ab288a126a Mon Sep 17 00:00:00 2001
|
|
From: Chris Morgan <macromorgan@hotmail.com>
|
|
Date: Fri, 28 Jan 2022 17:39:54 -0600
|
|
Subject: [PATCH 700/828] 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(+)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
|
|
@@ -191,6 +191,10 @@ static void vc4_dpi_encoder_enable(struc
|
|
dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3,
|
|
DPI_FORMAT);
|
|
break;
|
|
+ case MEDIA_BUS_FMT_RGB565_1X24_CPADHI:
|
|
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_2,
|
|
+ DPI_FORMAT);
|
|
+ break;
|
|
}
|
|
} else {
|
|
/* Default to 18bit if no connector found. */
|