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authorThierry Reding <treding@nvidia.com>2014-04-16 12:24:12 +0400
committerThierry Reding <treding@nvidia.com>2014-06-06 01:09:22 +0400
commit8868568718b3fc5e8c609802fa100103f577b098 (patch)
treee0d25261eac43720443e3bca145d917a89e8cc1d /drivers
parent80b9213913f6efdfb254b4a7cd89a0f4b0b8b21d (diff)
downloadlinux-8868568718b3fc5e8c609802fa100103f577b098.tar.xz
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 <treding@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c24
1 files 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);