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drm/plane-helper: Provide DRM_PLANE_NON_ATOMIC_FUNCS initializer macro

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Provide DRM_PLANE_NON_ATOMIC_FUNCS, which initializes plane functions
of non-atomic drivers to default values. The macro is not supposed to
be used in new code, but helps with documenting and finding existing
users.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Lyude Paul <lyude@redhat.com> # nouveau
Link: https://patchwork.freedesktop.org/patch/msgid/20220909105947.6487-5-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2022-09-09 12:59:47 +02:00
parent fa0706e977
commit 02d6f9a13e
3 changed files with 14 additions and 6 deletions
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4
drivers/gpu/drm/drm_modeset_helper.c
View File

@ -108,9 +108,7 @@ static const uint32_t safe_modeset_formats[] = {
};
static const struct drm_plane_funcs primary_plane_funcs = {
.update_plane = drm_plane_helper_update_primary,
.disable_plane = drm_plane_helper_disable_primary,
.destroy = drm_plane_helper_destroy,
DRM_PLANE_NON_ATOMIC_FUNCS,
};
/**

4
drivers/gpu/drm/nouveau/dispnv04/crtc.c
View File

@ -1276,9 +1276,7 @@ static const uint32_t modeset_formats[] = {
};
static const struct drm_plane_funcs nv04_primary_plane_funcs = {
.update_plane = drm_plane_helper_update_primary,
.disable_plane = drm_plane_helper_disable_primary,
.destroy = drm_plane_helper_destroy,
DRM_PLANE_NON_ATOMIC_FUNCS,
};
static int nv04_crtc_vblank_handler(struct nvif_notify *notify)

12
include/drm/drm_plane_helper.h
View File

@ -43,4 +43,16 @@ int drm_plane_helper_disable_primary(struct drm_plane *plane,
void drm_plane_helper_destroy(struct drm_plane *plane);
int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
/**
* DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
*
* This macro initializes plane functions for non-atomic drivers to default
* values. Non-atomic interfaces are deprecated and should not be used in new
* drivers.
*/
#define DRM_PLANE_NON_ATOMIC_FUNCS \
.update_plane = drm_plane_helper_update_primary, \
.disable_plane = drm_plane_helper_disable_primary, \
.destroy = drm_plane_helper_destroy
#endif