From: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
[ Upstream commit 0870d86eac8a9abd89a0be1b719d5dc5bac936f0 ]
The mapping is incorrect for RGB565_1X16 as it should be
DPI_FORMAT_18BIT_666_RGB_1 instead of DPI_FORMAT_18BIT_666_RGB_3.
Fixes: 08302c35b59d ("drm/vc4: Add DPI driver")
Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20221013-rpi-dpi-improvements-v3-7-eb76e26a772d@xxxxxxxxxx
Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_dpi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index 0e25add2df071..9c8a71d7426a0 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -172,7 +172,7 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
DPI_FORMAT);
break;
case MEDIA_BUS_FMT_RGB565_1X16:
- dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3,
+ dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_1,
DPI_FORMAT);
break;
default:
--
2.39.2
