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OMAPDSS: add helpers to get mgr or output from display

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Add two helper functions that can be used to find either the DSS output
or the overlay manager that is connected to the given display.

This hides how the output and the manager are actually connected, making
it easier to change the connections in the future.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen
2013-04-23 15:35:35 +03:00
parent e724366498
commit be8e8e1c62
6 changed files with 43 additions and 13 deletions
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5
drivers/gpu/drm/omapdrm/omap_drv.c
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@@ -247,6 +247,9 @@ static int omap_modeset_init(struct drm_device *dev)
struct drm_encoder *encoder = priv->encoders[i];
struct omap_dss_device *dssdev =
omap_encoder_get_dssdev(encoder);
struct omap_dss_output *output;
output = omapdss_find_output_from_display(dssdev);
/* figure out which crtc's we can connect the encoder to: */
encoder->possible_crtcs = 0;
@@ -259,7 +262,7 @@ static int omap_modeset_init(struct drm_device *dev)
supported_outputs =
dss_feat_get_supported_outputs(crtc_channel);
if (supported_outputs & dssdev->output->id)
if (supported_outputs & output->id)
encoder->possible_crtcs |= (1 << id);
}
}