diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c index 4c4d0a953e35..c0eecde8c176 100644 --- a/drivers/gpu/drm/drm_colorop.c +++ b/drivers/gpu/drm/drm_colorop.c @@ -523,6 +523,29 @@ static void __drm_colorop_state_init(struct drm_colorop_state *colorop_state, } } +/** + * drm_atomic_helper_colorop_create_state - Allocates and initializes colorop atomic state + * @colorop: drm colorop + * + * Initializes a pristine @drm_colorop_state. + * + * RETURNS: + * Pointer to new colorop state, or ERR_PTR on failure. + */ +struct drm_colorop_state * +drm_atomic_helper_colorop_create_state(struct drm_colorop *colorop) +{ + struct drm_colorop_state *state; + + state = kzalloc_obj(*state); + if (!state) + return ERR_PTR(-ENOMEM); + + __drm_colorop_state_init(state, colorop); + + return state; +} + /** * __drm_colorop_reset - reset state on colorop * @colorop: drm colorop diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h index c873199c60da..b4b9e4f558ab 100644 --- a/include/drm/drm_colorop.h +++ b/include/drm/drm_colorop.h @@ -425,6 +425,8 @@ int drm_plane_colorop_3dlut_init(struct drm_device *dev, struct drm_colorop *col enum drm_colorop_lut3d_interpolation_type interpolation, uint32_t flags); +struct drm_colorop_state * +drm_atomic_helper_colorop_create_state(struct drm_colorop *colorop); struct drm_colorop_state * drm_atomic_helper_colorop_duplicate_state(struct drm_colorop *colorop);