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drm/i915: Make encoder cloning more flexible

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Currently we allow encoders to indicate whether they can be part of a
cloned set with just one flag. That's not flexible enough to describe
the actual hardware capabilities. Instead make it a bitmask of encoder
types with which the current encoder can be cloned.

For now we set the bitmask to allow DVO+DVO and DVO+VGA, which should
match what the old boolean flag allowed. We will add some more cloning
options in the future.

Note that this patch also removes the encoder.possible_clones setting
from encoder setup code - we compute this dynamically.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
[danvet: Add Ville's explanation why removing the encoder
possible_clones is save.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä
2014-03-03 16:15:28 +02:00
committed by Daniel Vetter
parent 842f1c8b76
commit bc079e8b16
11 changed files with 49 additions and 34 deletions
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2
drivers/gpu/drm/i915/intel_dsi.c
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@@ -620,7 +620,7 @@ bool intel_dsi_init(struct drm_device *dev)
intel_encoder->type = INTEL_OUTPUT_DSI;
intel_encoder->crtc_mask = (1 << 0); /* XXX */
intel_encoder->cloneable = false;
intel_encoder->cloneable = 0;
drm_connector_init(dev, connector, &intel_dsi_connector_funcs,
DRM_MODE_CONNECTOR_DSI);