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
This commit is contained in:
Paul Cercueil 2021-03-27 11:57:41 +00:00
parent 4d906839d3
commit c7b04342b4
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1 changed files with 18 additions and 0 deletions

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@ -224,6 +224,24 @@ void *__drmm_encoder_alloc(struct drm_device *dev,
offsetof(type, member), funcs, \
encoder_type, name, ##__VA_ARGS__))
/**
* drmm_plain_encoder_alloc - Allocate and initialize an encoder
* @dev: drm device
* @funcs: callbacks for this encoder (optional)
* @encoder_type: user visible type of the encoder
* @name: printf style format string for the encoder name, or NULL for default name
*
* This is a simplified version of drmm_encoder_alloc(), which only allocates
* and returns a struct drm_encoder instance, with no subclassing.
*
* Returns:
* Pointer to the new drm_encoder struct, or ERR_PTR on failure.
*/
#define drmm_plain_encoder_alloc(dev, funcs, encoder_type, name, ...) \
((struct drm_encoder *) \
__drmm_encoder_alloc(dev, sizeof(struct drm_encoder), \
0, funcs, encoder_type, name, ##__VA_ARGS__))
/**
* drm_encoder_index - find the index of a registered encoder
* @encoder: encoder to find index for