drm/encoder: Add macro drmm_plain_encoder_alloc()
This performs the same operation as drmm_encoder_alloc(), but only allocates and returns a struct drm_encoder instance. v4: Rename macro drmm_plain_encoder_alloc() and move to <drm/drm_encoder.h>. Since it's not "simple" anymore it will now take funcs/name arguments as well. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210327115742.18986-3-paul@crapouillou.net
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@ -224,6 +224,24 @@ void *__drmm_encoder_alloc(struct drm_device *dev,
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offsetof(type, member), funcs, \
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encoder_type, name, ##__VA_ARGS__))
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/**
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* drmm_plain_encoder_alloc - Allocate and initialize an encoder
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* @dev: drm device
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* @funcs: callbacks for this encoder (optional)
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* @encoder_type: user visible type of the encoder
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* @name: printf style format string for the encoder name, or NULL for default name
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*
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* This is a simplified version of drmm_encoder_alloc(), which only allocates
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* and returns a struct drm_encoder instance, with no subclassing.
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*
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* Returns:
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* Pointer to the new drm_encoder struct, or ERR_PTR on failure.
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*/
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#define drmm_plain_encoder_alloc(dev, funcs, encoder_type, name, ...) \
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((struct drm_encoder *) \
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__drmm_encoder_alloc(dev, sizeof(struct drm_encoder), \
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0, funcs, encoder_type, name, ##__VA_ARGS__))
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/**
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* drm_encoder_index - find the index of a registered encoder
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* @encoder: encoder to find index for
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