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drm/omap: Merge omap_dss_device type and output_type fields

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The omap_dss_device type and output_type fields differ mostly for
historical reasons. The output_type field is required for all devices
but the display at the end of the pipeline, and must be set to
OMAP_DISPLAY_TYPE_NONE for the latter. The type field is required for
all devices but the internal encoder, for which it is ignored.

The only reason why the output_type field must be set to
OMAP_DISPLAY_TYPE_NONE for the display at the end of the pipeline is to
identify omap_dss_device instances corresponding to displays. This is
not documented and confusing.

Clean the code by adding a new display field to the omap_dss_device
structure to identify displays, and merge the type and output_type
fields.

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
2018-12-10 14:00:38 +02:00
committed by Tomi Valkeinen
parent a4e26525ca
commit 0dbfc39667
25 changed files with 33 additions and 21 deletions
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1
drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c
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@@ -167,7 +167,6 @@ static int tpd_probe(struct platform_device *pdev)
dssdev->ops = &tpd_ops;
dssdev->dev = &pdev->dev;
dssdev->type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->output_type = OMAP_DISPLAY_TYPE_HDMI;
dssdev->owner = THIS_MODULE;
dssdev->of_ports = BIT(1) | BIT(0);
dssdev->ops_flags = OMAP_DSS_DEVICE_OP_DETECT