From 361604d658695966ba985f544800ecc7563caf41 Mon Sep 17 00:00:00 2001 From: Priit Laes Date: Wed, 19 Dec 2018 15:06:08 +0200 Subject: [PATCH] sunxi: display: Move DDC PLL setup to HDMI init 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 --- 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 | -- 2.25.1