[U-Boot] [PATCH 2/3] sunxi: display: Move DDC PLL setup to HDMI init

[Priit Laes]

From: Priit Laes <priit.laes at paf.com>

Move PLL initialization code to single place so
we won't call it every time we query for EDID data.

Signed-off-by: Priit Laes <priit.laes at paf.com>
---
 drivers/video/sunxi/sunxi_display.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/video/sunxi/sunxi_display.c b/drivers/video/sunxi/sunxi_display.c
index 6dd9bec351..0362071f72 100644
--- a/drivers/video/sunxi/sunxi_display.c
+++ b/drivers/video/sunxi/sunxi_display.c
@@ -113,6 +113,13 @@ static int sunxi_hdmi_hpd_detect(int hpd_delay)
 	writel(SUNXI_HDMI_CTRL_ENABLE, &hdmi->ctrl);
 	writel(SUNXI_HDMI_PAD_CTRL0_HDP, &hdmi->pad_ctrl0);
 
+	/* Enable PLLs for eventual DDC */
+	writel(SUNXI_HDMI_PAD_CTRL1 | SUNXI_HDMI_PAD_CTRL1_HALVE,
+	       &hdmi->pad_ctrl1);
+	writel(SUNXI_HDMI_PLL_CTRL | SUNXI_HDMI_PLL_CTRL_DIV(15),
+	       &hdmi->pll_ctrl);
+	writel(SUNXI_HDMI_PLL_DBG0_PLL3, &hdmi->pll_dbg0);
+
 	while (timer_get_us() < tmo) {
 		if (readl(&hdmi->hpd) & SUNXI_HDMI_HPD_DETECT)
 			return 1;
@@ -215,13 +222,6 @@ static int sunxi_hdmi_edid_get_mode(struct ctfb_res_modes *mode)
 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
 	int i, r, ext_blocks = 0;
 
-	/* SUNXI_HDMI_CTRL_ENABLE & PAD_CTRL0 are already set by hpd_detect */
-	writel(SUNXI_HDMI_PAD_CTRL1 | SUNXI_HDMI_PAD_CTRL1_HALVE,
-	       &hdmi->pad_ctrl1);
-	writel(SUNXI_HDMI_PLL_CTRL | SUNXI_HDMI_PLL_CTRL_DIV(15),
-	       &hdmi->pll_ctrl);
-	writel(SUNXI_HDMI_PLL_DBG0_PLL3, &hdmi->pll_dbg0);
-
 	/* Reset i2c controller */
 	setbits_le32(&ccm->hdmi_clk_cfg, CCM_HDMI_CTRL_DDC_GATE);
 	writel(SUNXI_HMDI_DDC_CTRL_ENABLE |
-- 
2.11.0