drm/i915: Make encoder cloning more flexible
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>
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index b64fc1c6..5be4ab2 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1639,9 +1639,8 @@
intel_connector_attach_encoder(intel_connector, intel_encoder);
intel_encoder->type = INTEL_OUTPUT_TVOUT;
intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
- intel_encoder->cloneable = false;
+ intel_encoder->cloneable = 0;
intel_encoder->base.possible_crtcs = ((1 << 0) | (1 << 1));
- intel_encoder->base.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
/* BIOS margin values */