From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/gpu/drm/vc4/vc4_dpi.c | 64 ++++++++++++++++++-------------
1 files changed, 37 insertions(+), 27 deletions(-)
diff --git a/kernel/drivers/gpu/drm/vc4/vc4_dpi.c b/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
index a90f254..9c8a71d 100644
--- a/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/kernel/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -148,35 +148,45 @@
}
drm_connector_list_iter_end(&conn_iter);
- if (connector && connector->display_info.num_bus_formats) {
- u32 bus_format = connector->display_info.bus_formats[0];
+ if (connector) {
+ if (connector->display_info.num_bus_formats) {
+ u32 bus_format = connector->display_info.bus_formats[0];
- switch (bus_format) {
- case MEDIA_BUS_FMT_RGB888_1X24:
- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB,
- DPI_FORMAT);
- break;
- case MEDIA_BUS_FMT_BGR888_1X24:
- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB,
- DPI_FORMAT);
- dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR, DPI_ORDER);
- break;
- 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_RGB666_1X18:
- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1,
- DPI_FORMAT);
- break;
- case MEDIA_BUS_FMT_RGB565_1X16:
- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3,
- DPI_FORMAT);
- break;
- default:
- DRM_ERROR("Unknown media bus format %d\n", bus_format);
- break;
+ switch (bus_format) {
+ case MEDIA_BUS_FMT_RGB888_1X24:
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB,
+ DPI_FORMAT);
+ break;
+ case MEDIA_BUS_FMT_BGR888_1X24:
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB,
+ DPI_FORMAT);
+ dpi_c |= VC4_SET_FIELD(DPI_ORDER_BGR,
+ DPI_ORDER);
+ break;
+ 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_RGB666_1X18:
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_18BIT_666_RGB_1,
+ DPI_FORMAT);
+ break;
+ case MEDIA_BUS_FMT_RGB565_1X16:
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_1,
+ DPI_FORMAT);
+ break;
+ default:
+ DRM_ERROR("Unknown media bus format %d\n",
+ bus_format);
+ break;
+ }
}
+
+ if (connector->display_info.bus_flags & DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE)
+ dpi_c |= DPI_PIXEL_CLK_INVERT;
+
+ if (connector->display_info.bus_flags & DRM_BUS_FLAG_DE_LOW)
+ dpi_c |= DPI_OUTPUT_ENABLE_INVERT;
} else {
/* Default to 24bit if no connector found. */
dpi_c |= VC4_SET_FIELD(DPI_FORMAT_24BIT_888_RGB, DPI_FORMAT);
--
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