From 59abba48c4299481053411f6a4de5df67b2c998f Mon Sep 17 00:00:00 2001 From: Philipp Zabel Date: Thu, 10 Dec 2020 16:38:29 +0100 Subject: drm/simple_kms_helper: add drmm_simple_encoder_alloc() Add an alternative to drm_simple_encoder_init() that allocates and initializes a simple encoder and registers drm_encoder_cleanup() with drmm_add_action_or_reset(). Signed-off-by: Philipp Zabel Reviewed-by: Laurent Pinchart Reviewed-by: Daniel Vetter --- include/drm/drm_simple_kms_helper.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'include/drm') diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h index a026375464ff..e6dbf3161c2f 100644 --- a/include/drm/drm_simple_kms_helper.h +++ b/include/drm/drm_simple_kms_helper.h @@ -185,4 +185,28 @@ int drm_simple_encoder_init(struct drm_device *dev, struct drm_encoder *encoder, int encoder_type); +void *__drmm_simple_encoder_alloc(struct drm_device *dev, size_t size, + size_t offset, int encoder_type); + +/** + * drmm_simple_encoder_alloc - Allocate and initialize an encoder with basic + * functionality. + * @dev: drm device + * @type: the type of the struct which contains struct &drm_encoder + * @member: the name of the &drm_encoder within @type. + * @encoder_type: user visible type of the encoder + * + * Allocates and initializes an encoder that has no further functionality. + * Settings for possible CRTC and clones are left to their initial values. + * Cleanup is automatically handled through registering drm_encoder_cleanup() + * with drmm_add_action(). + * + * Returns: + * Pointer to new encoder, or ERR_PTR on failure. + */ +#define drmm_simple_encoder_alloc(dev, type, member, encoder_type) \ + ((type *)__drmm_simple_encoder_alloc(dev, sizeof(type), \ + offsetof(type, member), \ + encoder_type)) + #endif /* __LINUX_DRM_SIMPLE_KMS_HELPER_H */ -- cgit v1.2.3