On Tue, Jan 12, 2021 at 09:10:30AM +0100, Thomas Zimmermann wrote:
> The AGP wrapper functions serve no purpose.
>
> Signed-off-by: Thomas Zimmermann <[email protected]>
They do, without them we fail compiling (I think at least) when agp isn't
enabled. Did you check for that? I should all work if we have the dummy
inlines for relevant agp functions in linux/agp_backend.h.
-Daniel
> ---
> drivers/gpu/drm/drm_agpsupport.c | 12 ++++++------
> drivers/gpu/drm/drm_memory.c | 18 ------------------
> include/drm/drm_agpsupport.h | 18 ------------------
> 3 files changed, 6 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_agpsupport.c
> b/drivers/gpu/drm/drm_agpsupport.c
> index 4c7ad46fdd21..8b690ef306de 100644
> --- a/drivers/gpu/drm/drm_agpsupport.c
> +++ b/drivers/gpu/drm/drm_agpsupport.c
> @@ -285,7 +285,7 @@ int drm_agp_unbind(struct drm_device *dev, struct
> drm_agp_binding *request)
> entry = drm_agp_lookup_entry(dev, request->handle);
> if (!entry || !entry->bound)
> return -EINVAL;
> - ret = drm_unbind_agp(entry->memory);
> + ret = agp_unbind_memory(entry->memory);
> if (ret == 0)
> entry->bound = 0;
> return ret;
> @@ -326,7 +326,7 @@ int drm_agp_bind(struct drm_device *dev, struct
> drm_agp_binding *request)
> if (!entry || entry->bound)
> return -EINVAL;
> page = DIV_ROUND_UP(request->offset, PAGE_SIZE);
> - retcode = drm_bind_agp(entry->memory, page);
> + retcode = agp_bind_memory(entry->memory, page);
> if (retcode)
> return retcode;
> entry->bound = dev->agp->base + (page << PAGE_SHIFT);
> @@ -369,11 +369,11 @@ int drm_agp_free(struct drm_device *dev, struct
> drm_agp_buffer *request)
> if (!entry)
> return -EINVAL;
> if (entry->bound)
> - drm_unbind_agp(entry->memory);
> + agp_unbind_memory(entry->memory);
>
> list_del(&entry->head);
>
> - drm_free_agp(entry->memory, entry->pages);
> + agp_free_memory(entry->memory);
> kfree(entry);
> return 0;
> }
> @@ -453,8 +453,8 @@ void drm_legacy_agp_clear(struct drm_device *dev)
>
> list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) {
> if (entry->bound)
> - drm_unbind_agp(entry->memory);
> - drm_free_agp(entry->memory, entry->pages);
> + agp_unbind_memory(entry->memory);
> + agp_free_memory(entry->memory);
> kfree(entry);
> }
> INIT_LIST_HEAD(&dev->agp->memory);
> diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
> index fbea69d6f909..f4f2bffdd5bd 100644
> --- a/drivers/gpu/drm/drm_memory.c
> +++ b/drivers/gpu/drm/drm_memory.c
> @@ -100,24 +100,6 @@ static void *agp_remap(unsigned long offset, unsigned
> long size,
> return addr;
> }
>
> -/** Wrapper around agp_free_memory() */
> -void drm_free_agp(struct agp_memory *handle, int pages)
> -{
> - agp_free_memory(handle);
> -}
> -
> -/** Wrapper around agp_bind_memory() */
> -int drm_bind_agp(struct agp_memory *handle, unsigned int start)
> -{
> - return agp_bind_memory(handle, start);
> -}
> -
> -/** Wrapper around agp_unbind_memory() */
> -int drm_unbind_agp(struct agp_memory *handle)
> -{
> - return agp_unbind_memory(handle);
> -}
> -
> #else /* CONFIG_AGP */
> static inline void *agp_remap(unsigned long offset, unsigned long size,
> struct drm_device *dev)
> diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h
> index 664e120b93e6..f3136750c490 100644
> --- a/include/drm/drm_agpsupport.h
> +++ b/include/drm/drm_agpsupport.h
> @@ -28,10 +28,6 @@ struct drm_agp_head {
>
> #if IS_ENABLED(CONFIG_AGP)
>
> -void drm_free_agp(struct agp_memory * handle, int pages);
> -int drm_bind_agp(struct agp_memory * handle, unsigned int start);
> -int drm_unbind_agp(struct agp_memory * handle);
> -
> struct drm_agp_head *drm_agp_init(struct drm_device *dev);
> void drm_legacy_agp_clear(struct drm_device *dev);
> int drm_agp_acquire(struct drm_device *dev);
> @@ -61,20 +57,6 @@ int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
>
> #else /* CONFIG_AGP */
>
> -static inline void drm_free_agp(struct agp_memory * handle, int pages)
> -{
> -}
> -
> -static inline int drm_bind_agp(struct agp_memory * handle, unsigned int
> start)
> -{
> - return -ENODEV;
> -}
> -
> -static inline int drm_unbind_agp(struct agp_memory * handle)
> -{
> - return -ENODEV;
> -}
> -
> static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
> {
> return NULL;
> --
> 2.29.2
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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