From: Mark Yao <mark.yao@rock-chips.com>
Date: Fri, 7 Jul 2017 08:23:50 +0000 (+0800)
Subject: drm/rockchip: vop: fliter interlace mode
X-Git-Tag: release-20171130_firefly~4^2~245
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bccd5ee2bd834840e324b9b6ce2a0518cbe96ef7;p=firefly-linux-kernel-4.4.55.git

drm/rockchip: vop: fliter interlace mode

rk3288 and rk3368 are not support interlace mode

Change-Id: I5b6c155095285a5ae6e574efba122b56ddb1a112
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index 89d09be7d0cd..4ef23ac55eb1 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -1592,6 +1592,11 @@ vop_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode,
 	if (mode->hdisplay > vop_data->max_output.width)
 		return MODE_BAD_HVALUE;
 
+	if ((mode->flags & DRM_MODE_FLAG_INTERLACE) &&
+	    VOP_MAJOR(vop->data->version) == 3 &&
+	    VOP_MINOR(vop->data->version) <= 2)
+		return MODE_BAD;
+
 	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
 		request_clock *= 2;
 	clock = clk_round_rate(vop->dclk, request_clock * 1000) / 1000;