From 8868568718b3fc5e8c609802fa100103f577b098 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 16 Apr 2014 10:24:12 +0200 Subject: [PATCH] drm/tegra: hdmi - Reverse regulator enable ordering Schematics indicate that the AVDD_HDMI_PLL supply should be enabled prior to the AVDD_HDMI supply. Signed-off-by: Thierry Reding --- drivers/gpu/drm/tegra/hdmi.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 4475dd885282..96fa838d60a4 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -43,8 +43,8 @@ struct tegra_hdmi { bool enabled; struct regulator *hdmi; - struct regulator *vdd; struct regulator *pll; + struct regulator *vdd; void __iomem *regs; unsigned int irq; @@ -711,15 +711,15 @@ static int tegra_output_hdmi_enable(struct tegra_output *output) h_back_porch = mode->htotal - mode->hsync_end; h_front_porch = mode->hsync_start - mode->hdisplay; - err = regulator_enable(hdmi->vdd); + err = regulator_enable(hdmi->pll); if (err < 0) { - dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err); + dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err); return err; } - err = regulator_enable(hdmi->pll); + err = regulator_enable(hdmi->vdd); if (err < 0) { - dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err); + dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err); return err; } @@ -946,8 +946,8 @@ static int tegra_output_hdmi_disable(struct tegra_output *output) reset_control_assert(hdmi->rst); clk_disable(hdmi->clk); - regulator_disable(hdmi->pll); regulator_disable(hdmi->vdd); + regulator_disable(hdmi->pll); hdmi->enabled = false; @@ -1403,18 +1403,18 @@ static int tegra_hdmi_probe(struct platform_device *pdev) return PTR_ERR(hdmi->hdmi); } - hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd"); - if (IS_ERR(hdmi->vdd)) { - dev_err(&pdev->dev, "failed to get VDD regulator\n"); - return PTR_ERR(hdmi->vdd); - } - hdmi->pll = devm_regulator_get(&pdev->dev, "pll"); if (IS_ERR(hdmi->pll)) { dev_err(&pdev->dev, "failed to get PLL regulator\n"); return PTR_ERR(hdmi->pll); } + hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd"); + if (IS_ERR(hdmi->vdd)) { + dev_err(&pdev->dev, "failed to get VDD regulator\n"); + return PTR_ERR(hdmi->vdd); + } + hdmi->output.dev = &pdev->dev; err = tegra_output_probe(&hdmi->output); -- 2.20.1