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| author | Maxime Ripard <maxime@cerno.tech> | 2020-10-29 20:01:03 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2020-11-02 12:14:50 +0100 |
| commit | 84d7d4720c21320c0e4f9369d6a82fc112b63d8c (patch) | |
| tree | 24e232e78364a71bacbf697d1b92cc2d0291322d /drivers/gpu/drm/vc4/vc4_drv.c | |
| parent | 88e085896aa67ac250943b117a9016801011c624 (diff) | |
| download | linux-84d7d4720c21320c0e4f9369d6a82fc112b63d8c.tar.gz linux-84d7d4720c21320c0e4f9369d6a82fc112b63d8c.tar.bz2 linux-84d7d4720c21320c0e4f9369d6a82fc112b63d8c.zip | |
drm/vc4: Use devm_drm_dev_alloc
We can simplify a bit the bind code, its error path and unbind by using
the managed devm_drm_dev_alloc function.
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20201029190104.2181730-5-maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_drv.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_drv.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 2e418fa5b81c..17404c2a3d3e 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -257,41 +257,37 @@ static int vc4_drm_bind(struct device *dev) dev->coherent_dma_mask = DMA_BIT_MASK(32); - vc4 = devm_kzalloc(dev, sizeof(*vc4), GFP_KERNEL); - if (!vc4) - return -ENOMEM; - /* If VC4 V3D is missing, don't advertise render nodes. */ node = of_find_matching_node_and_match(NULL, vc4_v3d_dt_match, NULL); if (!node || !of_device_is_available(node)) vc4_drm_driver.driver_features &= ~DRIVER_RENDER; of_node_put(node); - drm = drm_dev_alloc(&vc4_drm_driver, dev); - if (IS_ERR(drm)) - return PTR_ERR(drm); + vc4 = devm_drm_dev_alloc(dev, &vc4_drm_driver, struct vc4_dev, base); + if (IS_ERR(vc4)) + return PTR_ERR(vc4); + + drm = &vc4->base; platform_set_drvdata(pdev, drm); - vc4->dev = drm; - drm->dev_private = vc4; INIT_LIST_HEAD(&vc4->debugfs_list); mutex_init(&vc4->bin_bo_lock); ret = vc4_bo_cache_init(drm); if (ret) - goto dev_put; + return ret; ret = drmm_mode_config_init(drm); if (ret) - goto dev_put; + return ret; ret = vc4_gem_init(drm); if (ret) - goto dev_put; + return ret; ret = component_bind_all(dev, drm); if (ret) - goto dev_put; + return ret; ret = vc4_plane_create_additional_planes(drm); if (ret) @@ -316,8 +312,7 @@ static int vc4_drm_bind(struct device *dev) unbind_all: component_unbind_all(dev, drm); -dev_put: - drm_dev_put(drm); + return ret; } @@ -332,8 +327,6 @@ static void vc4_drm_unbind(struct device *dev) drm_atomic_private_obj_fini(&vc4->load_tracker); drm_atomic_private_obj_fini(&vc4->ctm_manager); - - drm_dev_put(drm); } static const struct component_master_ops vc4_drm_ops = { |