From a7d39439f8bd14b5becebc095aef3f1ec3191fe2 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Fri, 18 Sep 2020 15:25:05 +0200 Subject: [PATCH] drm/dev: Remove drm_dev_init We can now also delete drm_dev_init, now that vkms, vgem and i915 selftests are resolved. Reviewed-by: Thomas Zimmermann Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20200918132505.2316382-5-daniel.vetter@ffwll.ch --- drivers/gpu/drm/drm_drv.c | 41 +++------------------------------- drivers/gpu/drm/drm_internal.h | 1 + drivers/gpu/drm/drm_managed.c | 13 ----------- include/drm/drm_drv.h | 4 ---- 4 files changed, 4 insertions(+), 55 deletions(-) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 3b70f91e4316..cd162d406078 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -573,43 +573,9 @@ static void drm_dev_init_release(struct drm_device *dev, void *res) drm_legacy_destroy_members(dev); } -/** - * drm_dev_init - Initialise new DRM device - * @dev: DRM device - * @driver: DRM driver - * @parent: Parent device object - * - * Initialize a new DRM device. No device registration is done. - * Call drm_dev_register() to advertice the device to user space and register it - * with other core subsystems. This should be done last in the device - * initialization sequence to make sure userspace can't access an inconsistent - * state. - * - * The initial ref-count of the object is 1. Use drm_dev_get() and - * drm_dev_put() to take and drop further ref-counts. - * - * It is recommended that drivers embed &struct drm_device into their own device - * structure. - * - * Drivers that do not want to allocate their own device struct - * embedding &struct drm_device can call drm_dev_alloc() instead. For drivers - * that do embed &struct drm_device it must be placed first in the overall - * structure, and the overall structure must be allocated using kmalloc(): The - * drm core's release function unconditionally calls kfree() on the @dev pointer - * when the final reference is released. To override this behaviour, and so - * allow embedding of the drm_device inside the driver's device struct at an - * arbitrary offset, you must supply a &drm_driver.release callback and control - * the finalization explicitly. - * - * Note that drivers must call drmm_add_final_kfree() after this function has - * completed successfully. - * - * RETURNS: - * 0 on success, or error code on failure. - */ -int drm_dev_init(struct drm_device *dev, - struct drm_driver *driver, - struct device *parent) +static int drm_dev_init(struct drm_device *dev, + struct drm_driver *driver, + struct device *parent) { int ret; @@ -689,7 +655,6 @@ err: return ret; } -EXPORT_SYMBOL(drm_dev_init); static void devm_drm_dev_init_release(void *data) { diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h index 8e01caaf95cc..b65865c630b0 100644 --- a/drivers/gpu/drm/drm_internal.h +++ b/drivers/gpu/drm/drm_internal.h @@ -95,6 +95,7 @@ void drm_minor_release(struct drm_minor *minor); /* drm_managed.c */ void drm_managed_release(struct drm_device *dev); +void drmm_add_final_kfree(struct drm_device *dev, void *container); /* drm_vblank.c */ static inline bool drm_vblank_passed(u64 seq, u64 ref) diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index c36e3d98fd71..37d7db6223be 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -125,18 +125,6 @@ static void add_dr(struct drm_device *dev, struct drmres *dr) dr, dr->node.name, (unsigned long) dr->node.size); } -/** - * drmm_add_final_kfree - add release action for the final kfree() - * @dev: DRM device - * @container: pointer to the kmalloc allocation containing @dev - * - * Since the allocation containing the struct &drm_device must be allocated - * before it can be initialized with drm_dev_init() there's no way to allocate - * that memory with drmm_kmalloc(). To side-step this chicken-egg problem the - * pointer for this final kfree() must be specified by calling this function. It - * will be released in the final drm_dev_put() for @dev, after all other release - * actions installed through drmm_add_action() have been processed. - */ void drmm_add_final_kfree(struct drm_device *dev, void *container) { WARN_ON(dev->managed.final_kfree); @@ -144,7 +132,6 @@ void drmm_add_final_kfree(struct drm_device *dev, void *container) WARN_ON(dev + 1 > (struct drm_device *) (container + ksize(container))); dev->managed.final_kfree = container; } -EXPORT_SYMBOL(drmm_add_final_kfree); int __drmm_add_action(struct drm_device *dev, drmres_release_t action, diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index 9b11a2f0babc..e57d0440f00f 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -588,10 +588,6 @@ struct drm_driver { int dev_priv_size; }; -int drm_dev_init(struct drm_device *dev, - struct drm_driver *driver, - struct device *parent); - void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver, size_t size, size_t offset);