[Intel-gfx] [PATCH 5/5] drm/i915: debugfs entries for [e]LLC

[Rodrigo Vivi]

Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>

I actually tested it too here on my ult... 0Mb ellc as expected...
unfortunately I don't have any cristallwell to test it for real ;)

On Thu, Jul 4, 2013 at 3:02 PM, Ben Widawsky <ben at bwidawsk.net> wrote:
> To make users life a little easier figuring out what they have on their
> system.
>
> Ideally, I'd really like to report LLC size, but it turned out to be a
> bit of a pain. Maybe I'll revisit it in the future.
>
> Signed-off-by: Ben Widawsky <ben at bwidawsk.net>
> ---
>  drivers/gpu/drm/i915/i915_debugfs.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
> index 3e36756..b75d0a6 100644
> --- a/drivers/gpu/drm/i915/i915_debugfs.c
> +++ b/drivers/gpu/drm/i915/i915_debugfs.c
> @@ -1941,6 +1941,19 @@ static int i915_dpio_info(struct seq_file *m, void *data)
>         return 0;
>  }
>
> +static int i915_llc(struct seq_file *m, void *data)
> +{
> +       struct drm_info_node *node = (struct drm_info_node *) m->private;
> +       struct drm_device *dev = node->minor->dev;
> +       struct drm_i915_private *dev_priv = dev->dev_private;
> +
> +       /* Size calculation for LLC is a bit of a pain. Ignore for now. */
> +       seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev)));
> +       seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size);
> +
> +       return 0;
> +}
> +
>  static int
>  i915_wedged_get(void *data, u64 *val)
>  {
> @@ -2370,6 +2383,7 @@ static struct drm_info_list i915_debugfs_list[] = {
>         {"i915_swizzle_info", i915_swizzle_info, 0},
>         {"i915_ppgtt_info", i915_ppgtt_info, 0},
>         {"i915_dpio", i915_dpio_info, 0},
> +       {"i915_llc", i915_llc, 0},
>  };
>  #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
>
> --
> 1.8.3
>
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-- 
Rodrigo Vivi
Blog: http://blog.vivi.eng.br