Use generic dev_err_probe() helper which silences noisy error messages
about deferred probe of the Tegra DRM drivers.

Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
---
 drivers/gpu/drm/tegra/dc.c   | 13 +++----------
 drivers/gpu/drm/tegra/hdmi.c | 34 +++++++++-------------------------
 2 files changed, 12 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 0ae3a025efe9..ff7968200d4e 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -2589,16 +2589,9 @@ static int tegra_dc_probe(struct platform_device *pdev)
                return -ENXIO;
 
        err = tegra_dc_rgb_probe(dc);
-       if (err < 0 && err != -ENODEV) {
-               const char *level = KERN_ERR;
-
-               if (err == -EPROBE_DEFER)
-                       level = KERN_DEBUG;
-
-               dev_printk(level, dc->dev, "failed to probe RGB output: %d\n",
-                          err);
-               return err;
-       }
+       if (err < 0 && err != -ENODEV)
+               return dev_err_probe(&pdev->dev, err,
+                                    "failed to probe RGB output\n");
 
        platform_set_drvdata(pdev, dc);
        pm_runtime_enable(&pdev->dev);
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index e5d2a4026028..f5abb73d20ad 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1635,7 +1635,6 @@ static irqreturn_t tegra_hdmi_irq(int irq, void *data)
 
 static int tegra_hdmi_probe(struct platform_device *pdev)
 {
-       const char *level = KERN_ERR;
        struct tegra_hdmi *hdmi;
        struct resource *regs;
        int err;
@@ -1675,36 +1674,21 @@ static int tegra_hdmi_probe(struct platform_device 
*pdev)
 
        hdmi->hdmi = devm_regulator_get(&pdev->dev, "hdmi");
        err = PTR_ERR_OR_ZERO(hdmi->hdmi);
-       if (err) {
-               if (err == -EPROBE_DEFER)
-                       level = KERN_DEBUG;
-
-               dev_printk(level, &pdev->dev,
-                          "failed to get HDMI regulator: %d\n", err);
-               return err;
-       }
+       if (err)
+               return dev_err_probe(&pdev->dev, err,
+                                    "failed to get HDMI regulator\n");
 
        hdmi->pll = devm_regulator_get(&pdev->dev, "pll");
        err = PTR_ERR_OR_ZERO(hdmi->pll);
-       if (err) {
-               if (err == -EPROBE_DEFER)
-                       level = KERN_DEBUG;
-
-               dev_printk(level, &pdev->dev,
-                          "failed to get PLL regulator: %d\n", err);
-               return err;
-       }
+       if (err)
+               return dev_err_probe(&pdev->dev, err,
+                                    "failed to get PLL regulator\n");
 
        hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd");
        err = PTR_ERR_OR_ZERO(hdmi->vdd);
-       if (err) {
-               if (err == -EPROBE_DEFER)
-                       level = KERN_DEBUG;
-
-               dev_printk(level, &pdev->dev,
-                          "failed to get VDD regulator: %d\n", err);
-               return err;
-       }
+       if (err)
+               return dev_err_probe(&pdev->dev, err,
+                                    "failed to get VDD regulator\n");
 
        hdmi->output.dev = &pdev->dev;
 
-- 
2.30.2

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