Re: [PATCH 14/14] drm: kill agp indirection mess

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On Mon, Aug 23, 2010 at 4:53 PM, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> There's no point in jumping through two indirections. So kill one
> and call the kernels agp functions directly.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
>  drivers/gpu/drm/drm_agpsupport.c |   40 +++----------------------------------
>  drivers/gpu/drm/drm_memory.c     |   12 ++--------
>  include/drm/drmP.h               |    5 ----
>  3 files changed, 7 insertions(+), 50 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
> index ba38e01..252fdb9 100644
> --- a/drivers/gpu/drm/drm_agpsupport.c
> +++ b/drivers/gpu/drm/drm_agpsupport.c
> @@ -193,7 +193,7 @@ int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
>  * \return zero on success or a negative number on failure.
>  *
>  * Verifies the AGP device is present and has been acquired, allocates the
> - * memory via alloc_agp() and creates a drm_agp_mem entry for it.
> + * memory via agp_allocate_memory() and creates a drm_agp_mem entry for it.
>  */
>  int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
>  {
> @@ -211,7 +211,7 @@ int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
>
>        pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE;
>        type = (u32) request->type;
> -       if (!(memory = drm_alloc_agp(dev, pages, type))) {
> +       if (!(memory = agp_allocate_memory(dev->agp->bridge, pages, type))) {
>                kfree(entry);
>                return -ENOMEM;
>        }
> @@ -423,38 +423,6 @@ struct drm_agp_head *drm_agp_init(struct drm_device *dev)
>        return head;
>  }
>
> -/** Calls agp_allocate_memory() */
> -DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data * bridge,
> -                                    size_t pages, u32 type)
> -{
> -       return agp_allocate_memory(bridge, pages, type);
> -}
> -
> -/** Calls agp_free_memory() */
> -int drm_agp_free_memory(DRM_AGP_MEM * handle)
> -{
> -       if (!handle)
> -               return 0;
> -       agp_free_memory(handle);
> -       return 1;
> -}
> -
> -/** Calls agp_bind_memory() */
> -int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start)
> -{
> -       if (!handle)
> -               return -EINVAL;
> -       return agp_bind_memory(handle, start);
> -}
> -
> -/** Calls agp_unbind_memory() */
> -int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
> -{
> -       if (!handle)
> -               return -EINVAL;
> -       return agp_unbind_memory(handle);
> -}
> -
>  /**
>  * Binds a collection of pages into AGP memory at the given offset, returning
>  * the AGP memory structure containing them.
> @@ -474,7 +442,7 @@ drm_agp_bind_pages(struct drm_device *dev,
>
>        DRM_DEBUG("\n");
>
> -       mem = drm_agp_allocate_memory(dev->agp->bridge, num_pages,
> +       mem = agp_allocate_memory(dev->agp->bridge, num_pages,
>                                      type);
>        if (mem == NULL) {
>                DRM_ERROR("Failed to allocate memory for %ld pages\n",
> @@ -487,7 +455,7 @@ drm_agp_bind_pages(struct drm_device *dev,
>        mem->page_count = num_pages;
>
>        mem->is_flushed = true;
> -       ret = drm_agp_bind_memory(mem, gtt_offset / PAGE_SIZE);
> +       ret = agp_bind_memory(mem, gtt_offset / PAGE_SIZE);
>        if (ret != 0) {
>                DRM_ERROR("Failed to bind AGP memory: %d\n", ret);
>                agp_free_memory(mem);
> diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
> index 70ca27e..c9b8050 100644
> --- a/drivers/gpu/drm/drm_memory.c
> +++ b/drivers/gpu/drm/drm_memory.c
> @@ -99,29 +99,23 @@ static void *agp_remap(unsigned long offset, unsigned long size,
>        return addr;
>  }
>
> -/** Wrapper around agp_allocate_memory() */
> -DRM_AGP_MEM *drm_alloc_agp(struct drm_device * dev, int pages, u32 type)
> -{
> -       return drm_agp_allocate_memory(dev->agp->bridge, pages, type);
> -}
> -
>  /** Wrapper around agp_free_memory() */
>  void drm_free_agp(DRM_AGP_MEM * handle, int pages)
>  {
> -       drm_agp_free_memory(handle);
> +       agp_free_memory(handle);
>  }
>  EXPORT_SYMBOL(drm_free_agp);
>
>  /** Wrapper around agp_bind_memory() */
>  int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
>  {
> -       return drm_agp_bind_memory(handle, start);
> +       return agp_bind_memory(handle, start);
>  }
>
>  /** Wrapper around agp_unbind_memory() */
>  int drm_unbind_agp(DRM_AGP_MEM * handle)
>  {
> -       return drm_agp_unbind_memory(handle);
> +       return agp_unbind_memory(handle);
>  }
>  EXPORT_SYMBOL(drm_unbind_agp);

Any reason to keep these last three wrappers around?

Kristian
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