[Intel-gfx] [PATCH] drm/i915: remove the i915_batchbuffer_info debugfs file

[Ben Widawsky]

On Wed, Nov 30, 2011 at 12:17:45AM +0100, Daniel Vetter wrote:
> With the error_state facility in place, this has outlived it's
> usefulness. It also oopses with the lates llc-reloc patches because
> it directly access objects through the gtt without any checks.
> 
> Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c |   40 -----------------------------------
>  1 files changed, 0 insertions(+), 40 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 919f072..84c7295 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -562,45 +562,6 @@ static int i915_hws_info(struct seq_file *m, void *data)
>  	return 0;
>  }
>  
> -static void i915_dump_object(struct seq_file *m,
> -			     struct io_mapping *mapping,
> -			     struct drm_i915_gem_object *obj)
> -{
> -	int page, page_count, i;
> -
> -	page_count = obj->base.size / PAGE_SIZE;
> -	for (page = 0; page < page_count; page++) {
> -		u32 *mem = io_mapping_map_wc(mapping,
> -					     obj->gtt_offset + page * PAGE_SIZE);
> -		for (i = 0; i < PAGE_SIZE; i += 4)
> -			seq_printf(m, "%08x :  %08x\n", i, mem[i / 4]);
> -		io_mapping_unmap(mem);
> -	}
> -}

For some time I've wanted to turn this into a generic bo dumping debugfs entry.
I'd be sorry to see it go, but we can always resurrect it later.

The rest I don't care about.

> -
> -static int i915_batchbuffer_info(struct seq_file *m, void *data)
> -{
> -	struct drm_info_node *node = (struct drm_info_node *) m->private;
> -	struct drm_device *dev = node->minor->dev;
> -	drm_i915_private_t *dev_priv = dev->dev_private;
> -	struct drm_i915_gem_object *obj;
> -	int ret;
> -
> -	ret = mutex_lock_interruptible(&dev->struct_mutex);
> -	if (ret)
> -		return ret;
> -
> -	list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
> -		if (obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) {
> -		    seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
> -		    i915_dump_object(m, dev_priv->mm.gtt_mapping, obj);
> -		}
> -	}
> -
> -	mutex_unlock(&dev->struct_mutex);
> -	return 0;
> -}
> -
>  static int i915_ringbuffer_data(struct seq_file *m, void *data)
>  {
>  	struct drm_info_node *node = (struct drm_info_node *) m->private;
> @@ -1823,7 +1784,6 @@ static struct drm_info_list i915_debugfs_list[] = {
>  	{"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS},
>  	{"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS},
>  	{"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS},
> -	{"i915_batchbuffers", i915_batchbuffer_info, 0},
>  	{"i915_error_state", i915_error_state, 0},
>  	{"i915_rstdby_delays", i915_rstdby_delays, 0},
>  	{"i915_cur_delayinfo", i915_cur_delayinfo, 0},
> -- 
> 1.7.6.3
> 
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