linux-kernel - [PATCH] drm/rockchip: vop2: add polarity flags to RGB output

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Message-Id: <20230302123949.957998-1-gerald.loacker@wolfvision.net>
Date:   Thu,  2 Mar 2023 13:39:49 +0100
From:   Gerald Loacker <gerald.loacker@...fvision.net>
To:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Sandy Huang <hjc@...k-chips.com>,
        Heiko Stübner <heiko@...ech.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Gerald Loacker <gerald.loacker@...fvision.net>
Subject: [PATCH] drm/rockchip: vop2: add polarity flags to RGB output

Use h/v-sync and pixel clock polarity flags for RGB output. For all other
outputs this is already implemented.

Signed-off-by: Gerald Loacker <gerald.loacker@...fvision.net>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 8cecf81a5ae0..e8b61973ade2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1435,6 +1435,8 @@ static void rk3568_set_intf_mux(struct vop2_video_port *vp, int id,
 		die &= ~RK3568_SYS_DSP_INFACE_EN_RGB_MUX;
 		die |= RK3568_SYS_DSP_INFACE_EN_RGB |
 			   FIELD_PREP(RK3568_SYS_DSP_INFACE_EN_RGB_MUX, vp->id);
+		dip &= ~RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL;
+		dip |= FIELD_PREP(RK3568_DSP_IF_POL__RGB_LVDS_PIN_POL, polflags);
 		if (polflags & POLFLAG_DCLK_INV)
 			regmap_write(vop2->grf, RK3568_GRF_VO_CON1, BIT(3 + 16) | BIT(3));
 		else
-- 
2.37.2