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drm/omap: print an error if display enable fails
If the panel's enable fails, omap_encoder silently ignores the failure. omapdrm should really handle the failure, but unfortunately the whole encoder enable codepath is expected to always succeed. So for now, catch the enable failure and print an error. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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1 changed files with 6 additions and 1 deletions
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@ -139,11 +139,16 @@ static void omap_encoder_enable(struct drm_encoder *encoder)
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struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
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struct omap_dss_device *dssdev = omap_encoder->dssdev;
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struct omap_dss_driver *dssdrv = dssdev->driver;
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int r;
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omap_encoder_update(encoder, omap_crtc_channel(encoder->crtc),
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omap_crtc_timings(encoder->crtc));
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dssdrv->enable(dssdev);
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r = dssdrv->enable(dssdev);
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if (r)
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dev_err(encoder->dev->dev,
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"Failed to enable display '%s': %d\n",
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dssdev->name, r);
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}
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static int omap_encoder_atomic_check(struct drm_encoder *encoder,
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