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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 04:15:07 +0000
commit7fd92ba31ac1c688b59aa93cc03b748f920df8fe (patch)
treebaa580b97c260c790730e2525483eb1953f3c39d /drivers/gpu/drm/vc4
parentAdding upstream version 4.19.269. (diff)
downloadlinux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.tar.xz
linux-7fd92ba31ac1c688b59aa93cc03b748f920df8fe.zip
Adding upstream version 4.19.282.upstream/4.19.282
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_dpi.c66
1 files changed, 38 insertions, 28 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index f18581297..0a0c239ed 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -186,35 +186,45 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
}
drm_connector_list_iter_end(&conn_iter);
- if (connector && 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;
+ 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_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);