[PATCH 1/5] drm/rockchip: vop2: Add high color depth support

[Cristian Ciocaltea <cristian.ciocaltea@collabora.com>]

Take the bits per color channel into consideration when computing DCLK
rate.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 186f6452a7d359f079662bc580850929632ea8fe..a714bcbb02de16267e7febbaeb1eb270c70aaef2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1731,6 +1731,9 @@ static void vop2_crtc_atomic_enable(struct drm_crtc *crtc,
 		clock *= 2;
 	}
 
+	if (vcstate->output_bpc > 8)
+		clock = DIV_ROUND_CLOSEST(clock * vcstate->output_bpc, 8);
+
 	vop2_vp_write(vp, RK3568_VP_MIPI_CTRL, 0);
 
 	/*

-- 
2.50.0