On Wed, Apr 29, 2015 at 03:01:59PM +0530, ankitprasad.r.sharma@xxxxxxxxx wrote:
> From: Ankitprasad Sharma <ankitprasad.r.sharma@xxxxxxxxx>
>
> This patch extends the get_aperture_ioctl to add support
> for getting total size of the stolen region and available
> size of the stolen region.
>
> testcase: igt/gem_create_stolen
>
> Signed-off-by: Ankitprasad Sharma <ankitprasad.r.sharma@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_drv.h | 6 ++++++
> drivers/gpu/drm/i915/i915_gem.c | 15 ++++++++++++++-
> include/uapi/drm/i915_drm.h | 6 ++++++
> 3 files changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index a568cd1..a40b44f 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -3277,4 +3277,10 @@ inline static bool i915_gem_obj_is_prw_allowed(struct drm_i915_gem_object *obj)
> return !obj->userptr.mm;
> }
>
> +inline static bool i915_gem_obj_is_stolen_used(struct drm_i915_gem_object *obj)
> +{
> + return obj->stolen && (i915_gem_obj_is_pinned(obj)
> + || obj->madv == I915_MADV_WILLNEED);
> +}
> +
> #endif
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 3491bd3..ee93508 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -150,17 +150,30 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
> struct drm_i915_private *dev_priv = dev->dev_private;
> struct drm_i915_gem_get_aperture *args = data;
> struct drm_i915_gem_object *obj;
> - size_t pinned;
> + size_t pinned, pinned_stolen;
>
> pinned = 0;
> + pinned_stolen = 0;
> mutex_lock(&dev->struct_mutex);
> list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
> if (i915_gem_obj_is_pinned(obj))
> pinned += i915_gem_obj_ggtt_size(obj);
> +
> + /* Calculating available stolen size */
> + list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list)
> + if (i915_gem_obj_is_stolen_used(obj))
> + pinned_stolen += i915_gem_obj_ggtt_size(obj);
> +
> + list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list)
> + if (i915_gem_obj_is_stolen_used(obj))
> + pinned_stolen += i915_gem_obj_ggtt_size(obj);
Ah, here you will want to iterate over the stolen drm_mm range manager
to get an accurate count.
Could you respin this on top of
id:1422276205-8532-5-git-send-email-rodrigo.vivi@xxxxxxxxx ?
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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