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drm/omap: Add support for drm_bridge

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Hook up drm_bridge support in the omapdrm driver. Despite the recent
extensive preparation work, this is a rather intrusive change, as the
management of outputs needs to be adapted through the driver to handle
both omap_dss_device and drm_bridge.

Connector creation is skipped when using a drm_bridge, as the bridge
creates the connector internally. This creates issues with systems that
split connector operations (such as modes retrieval and hot-plug
detection) across different bridges. These systems can't be supported
using drm_bridge for now (their support through the omap_dss_device
infrastructure is not affected), this will be fixed in subsequent
changes.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart
2018-09-23 12:58:15 +03:00
committed by Tomi Valkeinen
parent 163f7a3578
commit 79107f274b
9 changed files with 144 additions and 61 deletions
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2
drivers/gpu/drm/omapdrm/omap_crtc.c
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@@ -666,7 +666,7 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
&omap_crtc_funcs, NULL);
if (ret < 0) {
dev_err(dev->dev, "%s(): could not init crtc for: %s\n",
__func__, pipe->display->name);
__func__, pipe->output->name);
kfree(omap_crtc);
return ERR_PTR(ret);
}