Re: [Outreachy kernel] [RESEND PATCH v2] drm: Rename crtc_idr as object_idr to KMS cleanups

From: Daniel Vetter
Date: Thu Dec 13 2018 - 16:46:07 EST


On Thu, Dec 13, 2018 at 07:29:57PM -0200, Shayenne da Luz Moura wrote:
> This patch solves this TODO task:
> drm_mode_config.crtc_idr is misnamed, since it contains all KMS object.
> Should be renamed to drm_mode_config.object_idr.
>
> Signed-off-by: Shayenne da Luz Moura <shayenneluzmoura@xxxxxxxxx>
>
> ---
> Changes in v2:
> - Make commit message more clear and change header file

Applied now, thanks for your patch. For next time around, pls ping after a
week already, likely no answer after a week means the patch simply fell
through the cracks :-/

Can you pls follow up with a patch to remove the todo item, now that it's
completed?

Thanks, Daniel

>
> drivers/gpu/drm/drm_lease.c | 6 +++---
> drivers/gpu/drm/drm_mode_config.c | 4 ++--
> drivers/gpu/drm/drm_mode_object.c | 8 ++++----
> include/drm/drm_mode_config.h | 6 +++---
> 4 files changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c
> index 977f069f6d90..b2cbb58834bc 100644
> --- a/drivers/gpu/drm/drm_lease.c
> +++ b/drivers/gpu/drm/drm_lease.c
> @@ -218,7 +218,7 @@ static struct drm_master *drm_lease_create(struct drm_master *lessor, struct idr
>
> idr_for_each_entry(leases, entry, object) {
> error = 0;
> - if (!idr_find(&dev->mode_config.crtc_idr, object))
> + if (!idr_find(&dev->mode_config.object_idr, object))
> error = -ENOENT;
> else if (!_drm_lease_held_master(lessor, object))
> error = -EACCES;
> @@ -434,7 +434,7 @@ static int fill_object_idr(struct drm_device *dev,
> /*
> * We're using an IDR to hold the set of leased
> * objects, but we don't need to point at the object's
> - * data structure from the lease as the main crtc_idr
> + * data structure from the lease as the main object_idr
> * will be used to actually find that. Instead, all we
> * really want is a 'leased/not-leased' result, for
> * which any non-NULL pointer will work fine.
> @@ -675,7 +675,7 @@ int drm_mode_get_lease_ioctl(struct drm_device *dev,
>
> if (lessee->lessor == NULL)
> /* owner can use all objects */
> - object_idr = &lessee->dev->mode_config.crtc_idr;
> + object_idr = &lessee->dev->mode_config.object_idr;
> else
> /* lessee can only use allowed object */
> object_idr = &lessee->leases;
> diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
> index ee80788f2c40..ab553b6465e2 100644
> --- a/drivers/gpu/drm/drm_mode_config.c
> +++ b/drivers/gpu/drm/drm_mode_config.c
> @@ -381,7 +381,7 @@ void drm_mode_config_init(struct drm_device *dev)
> INIT_LIST_HEAD(&dev->mode_config.property_list);
> INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
> INIT_LIST_HEAD(&dev->mode_config.plane_list);
> - idr_init(&dev->mode_config.crtc_idr);
> + idr_init(&dev->mode_config.object_idr);
> idr_init(&dev->mode_config.tile_idr);
> ida_init(&dev->mode_config.connector_ida);
> spin_lock_init(&dev->mode_config.connector_list_lock);
> @@ -484,7 +484,7 @@ void drm_mode_config_cleanup(struct drm_device *dev)
>
> ida_destroy(&dev->mode_config.connector_ida);
> idr_destroy(&dev->mode_config.tile_idr);
> - idr_destroy(&dev->mode_config.crtc_idr);
> + idr_destroy(&dev->mode_config.object_idr);
> drm_modeset_lock_fini(&dev->mode_config.connection_mutex);
> }
> EXPORT_SYMBOL(drm_mode_config_cleanup);
> diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
> index cd9bc0ce9be0..bb1dd46496cd 100644
> --- a/drivers/gpu/drm/drm_mode_object.c
> +++ b/drivers/gpu/drm/drm_mode_object.c
> @@ -38,7 +38,7 @@ int __drm_mode_object_add(struct drm_device *dev, struct drm_mode_object *obj,
> int ret;
>
> mutex_lock(&dev->mode_config.idr_mutex);
> - ret = idr_alloc(&dev->mode_config.crtc_idr, register_obj ? obj : NULL,
> + ret = idr_alloc(&dev->mode_config.object_idr, register_obj ? obj : NULL,
> 1, 0, GFP_KERNEL);
> if (ret >= 0) {
> /*
> @@ -79,7 +79,7 @@ void drm_mode_object_register(struct drm_device *dev,
> struct drm_mode_object *obj)
> {
> mutex_lock(&dev->mode_config.idr_mutex);
> - idr_replace(&dev->mode_config.crtc_idr, obj, obj->id);
> + idr_replace(&dev->mode_config.object_idr, obj, obj->id);
> mutex_unlock(&dev->mode_config.idr_mutex);
> }
>
> @@ -99,7 +99,7 @@ void drm_mode_object_unregister(struct drm_device *dev,
> {
> mutex_lock(&dev->mode_config.idr_mutex);
> if (object->id) {
> - idr_remove(&dev->mode_config.crtc_idr, object->id);
> + idr_remove(&dev->mode_config.object_idr, object->id);
> object->id = 0;
> }
> mutex_unlock(&dev->mode_config.idr_mutex);
> @@ -131,7 +131,7 @@ struct drm_mode_object *__drm_mode_object_find(struct drm_device *dev,
> struct drm_mode_object *obj = NULL;
>
> mutex_lock(&dev->mode_config.idr_mutex);
> - obj = idr_find(&dev->mode_config.crtc_idr, id);
> + obj = idr_find(&dev->mode_config.object_idr, id);
> if (obj && type != DRM_MODE_OBJECT_ANY && obj->type != type)
> obj = NULL;
> if (obj && obj->id != id)
> diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
> index d643d268693e..4750fccb5b4a 100644
> --- a/include/drm/drm_mode_config.h
> +++ b/include/drm/drm_mode_config.h
> @@ -385,18 +385,18 @@ struct drm_mode_config {
> /**
> * @idr_mutex:
> *
> - * Mutex for KMS ID allocation and management. Protects both @crtc_idr
> + * Mutex for KMS ID allocation and management. Protects both @object_idr
> * and @tile_idr.
> */
> struct mutex idr_mutex;
>
> /**
> - * @crtc_idr:
> + * @object_idr:
> *
> * Main KMS ID tracking object. Use this idr for all IDs, fb, crtc,
> * connector, modes - just makes life easier to have only one.
> */
> - struct idr crtc_idr;
> + struct idr object_idr;
>
> /**
> * @tile_idr:
> --
> 2.19.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch