Let's switch to drmm_universal_plane_alloc() for our plane allocation and initialisation to make the driver a bit simpler.
Reviewed-by: Dave Stevenson dave.stevenson@raspberrypi.com Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_crtc.c | 1 - drivers/gpu/drm/vc4/vc4_plane.c | 23 ++++++++--------------- 2 files changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index e559fdb217a5..84fd25e71c41 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -1277,7 +1277,6 @@ static int vc4_crtc_bind(struct device *dev, struct device *master, void *data) const struct vc4_pv_data *pv_data; struct vc4_crtc *vc4_crtc; struct drm_crtc *crtc; - struct drm_plane *destroy_plane, *temp; int ret;
vc4_crtc = devm_kzalloc(dev, sizeof(*vc4_crtc), GFP_KERNEL); diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c index bc1f1c4172e7..813ed4c05b29 100644 --- a/drivers/gpu/drm/vc4/vc4_plane.c +++ b/drivers/gpu/drm/vc4/vc4_plane.c @@ -1453,8 +1453,6 @@ static bool vc4_format_mod_supported(struct drm_plane *plane, static const struct drm_plane_funcs vc4_plane_funcs = { .update_plane = drm_atomic_helper_update_plane, .disable_plane = drm_atomic_helper_disable_plane, - .destroy = drm_plane_cleanup, - .set_property = NULL, .reset = vc4_plane_reset, .atomic_duplicate_state = vc4_plane_duplicate_state, .atomic_destroy_state = vc4_plane_destroy_state, @@ -1466,11 +1464,10 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, uint32_t possible_crtcs) { struct vc4_dev *vc4 = to_vc4_dev(dev); - struct drm_plane *plane = NULL; + struct drm_plane *plane; struct vc4_plane *vc4_plane; u32 formats[ARRAY_SIZE(hvs_formats)]; int num_formats = 0; - int ret = 0; unsigned i; static const uint64_t modifiers[] = { DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, @@ -1481,11 +1478,6 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, DRM_FORMAT_MOD_INVALID };
- vc4_plane = devm_kzalloc(dev->dev, sizeof(*vc4_plane), - GFP_KERNEL); - if (!vc4_plane) - return ERR_PTR(-ENOMEM); - for (i = 0; i < ARRAY_SIZE(hvs_formats); i++) { if (!hvs_formats[i].hvs5_only || vc4->is_vc5) { formats[num_formats] = hvs_formats[i].drm; @@ -1493,13 +1485,14 @@ struct drm_plane *vc4_plane_init(struct drm_device *dev, } }
+ vc4_plane = drmm_universal_plane_alloc(dev, struct vc4_plane, base, + possible_crtcs, + &vc4_plane_funcs, + formats, num_formats, + modifiers, type, NULL); + if (IS_ERR(vc4_plane)) + return ERR_CAST(vc4_plane); plane = &vc4_plane->base; - ret = drm_universal_plane_init(dev, plane, possible_crtcs, - &vc4_plane_funcs, - formats, num_formats, - modifiers, type, NULL); - if (ret) - return ERR_PTR(ret);
if (vc4->is_vc5) drm_plane_helper_add(plane, &vc5_plane_helper_funcs);