[Intel-gfx] [PATCH 08/10] drm/i915: give stolen_usable_size a more suitable home

[Chris Wilson]

Quoting Matthew Auld (2017-12-06 18:17:28)
> Kick it out of i915_ggtt and keep it grouped with dsm and dsm_reserved,
> where it makes the most sense.
> 
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h        | 12 +++++++++++-
>  drivers/gpu/drm/i915/i915_gem_gtt.h    | 10 ----------
>  drivers/gpu/drm/i915/i915_gem_stolen.c |  5 ++---
>  drivers/gpu/drm/i915/intel_display.c   |  3 +--
>  drivers/gpu/drm/i915/intel_fbdev.c     |  3 +--
>  5 files changed, 15 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 40171a7da9d9..2c3e1d715c11 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -2253,7 +2253,7 @@ struct drm_i915_private {
>         /**
>          * Data Stolen Memory - aka "i915 stolen memory" gives us the start and
>          * end of stolen which we can optionally use to create GEM objects
> -        * backed by stolen memory. Note that ggtt->stolen_usable_size tells us
> +        * backed by stolen memory. Note that stolen_usable_size tells us
>          * exactly how much of this we are actually allowed to use, given that
>          * some portion of it is in fact reserved for use by hardware functions.
>          */
> @@ -2263,6 +2263,16 @@ struct drm_i915_private {
>          */
>         struct resource dsm_reserved;
>  
> +       /* Stolen memory is segmented in hardware with different portions

/*
 * Stolen...
 */

Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris