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path: root/drivers/gpu/drm/omapdrm/omap_encoder.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_encoder.c')
-rw-r--r--drivers/gpu/drm/omapdrm/omap_encoder.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_encoder.c b/drivers/gpu/drm/omapdrm/omap_encoder.c
index a6dce480b2cf..bb010c20d8b8 100644
--- a/drivers/gpu/drm/omapdrm/omap_encoder.c
+++ b/drivers/gpu/drm/omapdrm/omap_encoder.c
@@ -98,17 +98,23 @@ static int omap_encoder_update(struct drm_encoder *encoder,
{
struct drm_device *dev = encoder->dev;
struct omap_encoder *omap_encoder = to_omap_encoder(encoder);
- struct omap_dss_device *dssdev = omap_encoder->display;
+ struct omap_dss_device *display = omap_encoder->display;
+ struct omap_dss_device *dssdev;
int ret;
- ret = dssdev->ops->check_timings(dssdev, vm);
- if (ret) {
- dev_err(dev->dev, "invalid timings: %d\n", ret);
- return ret;
+ for (dssdev = omap_encoder->output; dssdev; dssdev = dssdev->next) {
+ if (!dssdev->ops->check_timings)
+ continue;
+
+ ret = dssdev->ops->check_timings(dssdev, vm);
+ if (ret) {
+ dev_err(dev->dev, "invalid timings: %d\n", ret);
+ return ret;
+ }
}
- if (dssdev->ops->set_timings)
- dssdev->ops->set_timings(dssdev, vm);
+ if (display->ops->set_timings)
+ display->ops->set_timings(display, vm);
return 0;
}