[PATCH RFC 07/19] drm/msm: Use drm_attach_bridge() to attach a bridge to an encoder
Boris Brezillon
boris.brezillon at collabora.com
Thu Aug 8 15:11:38 UTC 2019
This is part of our attempt to make the bridge chain a double-linked
list based on the generic list helpers. In order to do that, we must
patch all drivers manipulating the encoder->bridge field directly.
Signed-off-by: Boris Brezillon <boris.brezillon at collabora.com>
---
drivers/gpu/drm/msm/edp/edp.c | 4 +++-
drivers/gpu/drm/msm/hdmi/hdmi.c | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/edp/edp.c b/drivers/gpu/drm/msm/edp/edp.c
index 0f312ac5b624..ad4e963ccd9b 100644
--- a/drivers/gpu/drm/msm/edp/edp.c
+++ b/drivers/gpu/drm/msm/edp/edp.c
@@ -178,7 +178,9 @@ int msm_edp_modeset_init(struct msm_edp *edp, struct drm_device *dev,
goto fail;
}
- encoder->bridge = edp->bridge;
+ ret = drm_bridge_attach(encoder, edp->bridge, NULL);
+ if (ret)
+ goto fail;
priv->bridges[priv->num_bridges++] = edp->bridge;
priv->connectors[priv->num_connectors++] = edp->connector;
diff --git a/drivers/gpu/drm/msm/hdmi/hdmi.c b/drivers/gpu/drm/msm/hdmi/hdmi.c
index 0e4217be3f00..55b9a8c8312b 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi.c
@@ -327,7 +327,9 @@ int msm_hdmi_modeset_init(struct hdmi *hdmi,
goto fail;
}
- encoder->bridge = hdmi->bridge;
+ ret = drm_bridge_attach(encoder, hdmi->bridge, NULL);
+ if (ret)
+ goto fail;
priv->bridges[priv->num_bridges++] = hdmi->bridge;
priv->connectors[priv->num_connectors++] = hdmi->connector;
--
2.21.0
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