From a50d5ff77bb5fcf0bf39cba7b1e556528c270db2 Mon Sep 17 00:00:00 2001
From: Sandy Huang <hjc@rock-chips.com>
Date: Mon, 24 Feb 2020 10:46:18 +0800
Subject: [PATCH] drm/rockchip: edp: init crtc state from edp

Change-Id: I8ffc3b06b057c91675fc256ccc0866d9721a0b16
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
---
 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 07b1a6d804fb..9a4e0378c02e 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -27,6 +27,7 @@
 #include <drm/drm_of.h>
 #include <drm/drm_panel.h>
 
+#include <uapi/linux/videodev2.h>
 #include <video/of_videomode.h>
 #include <video/videomode.h>
 
@@ -259,6 +260,13 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
 	s->output_mode = ROCKCHIP_OUT_MODE_AAAA;
 	s->output_type = DRM_MODE_CONNECTOR_eDP;
 	s->output_bpc = di->bpc;
+	if (di->num_bus_formats)
+		s->bus_format = di->bus_formats[0];
+	else
+		s->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+	s->tv_state = &conn_state->tv;
+	s->eotf = TRADITIONAL_GAMMA_SDR;
+	s->color_space = V4L2_COLORSPACE_DEFAULT;
 
 	return 0;
 }