On ke, 2016-07-27 at 12:14 +0100, Chris Wilson wrote:
> Eviction is VM local, so we can ignore the significance of the
> drm_device in the caller, and leave it to i915_gem_evict_something() to
> manager itself.

s/manager/manage/?

Reviewed-by: Joonas Lahtinen <[email protected]>

Regards, Joonas
> 
> Signed-off-by: Chris Wilson <[email protected]>
> ---
>  drivers/gpu/drm/i915/i915_drv.h       |  3 +--
>  drivers/gpu/drm/i915/i915_gem.c       |  2 +-
>  drivers/gpu/drm/i915/i915_gem_evict.c |  9 ++++-----
>  drivers/gpu/drm/i915/i915_gem_gtt.c   |  2 +-
>  drivers/gpu/drm/i915/i915_trace.h     | 14 ++++++++------
>  5 files changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 66b98fa4715a..fbda38f25c6b 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -3398,8 +3398,7 @@ int i915_gem_context_reset_stats_ioctl(struct 
> drm_device *dev, void *data,
>                                      struct drm_file *file);
>  
>  /* i915_gem_evict.c */
> -int __must_check i915_gem_evict_something(struct drm_device *dev,
> -                                       struct i915_address_space *vm,
> +int __must_check i915_gem_evict_something(struct i915_address_space *vm,
>                                         int min_size,
>                                         unsigned alignment,
>                                         unsigned cache_level,
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index e3278f4e1ad2..bf652dc88024 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3093,7 +3093,7 @@ search_free:
>                                                         search_flag,
>                                                         alloc_flag);
>               if (ret) {
> -                     ret = i915_gem_evict_something(dev, vm, size, alignment,
> +                     ret = i915_gem_evict_something(vm, size, alignment,
>                                                      obj->cache_level,
>                                                      start, end,
>                                                      flags);
> diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c 
> b/drivers/gpu/drm/i915/i915_gem_evict.c
> index 016be7316676..4bce72fa14c4 100644
> --- a/drivers/gpu/drm/i915/i915_gem_evict.c
> +++ b/drivers/gpu/drm/i915/i915_gem_evict.c
> @@ -61,7 +61,6 @@ mark_free(struct i915_vma *vma, struct list_head *unwind)
>  
>  /**
>   * i915_gem_evict_something - Evict vmas to make room for binding a new one
> - * @dev: drm_device
>   * @vm: address space to evict from
>   * @min_size: size of the desired free space
>   * @alignment: alignment constraint of the desired free space
> @@ -84,12 +83,12 @@ mark_free(struct i915_vma *vma, struct list_head *unwind)
>   * memory in e.g. the shrinker.
>   */
>  int
> -i915_gem_evict_something(struct drm_device *dev, struct i915_address_space 
> *vm,
> +i915_gem_evict_something(struct i915_address_space *vm,
>                        int min_size, unsigned alignment, unsigned cache_level,
>                        unsigned long start, unsigned long end,
>                        unsigned flags)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(dev);
> +     struct drm_i915_private *dev_priv = to_i915(vm->dev);
>       struct list_head eviction_list;
>       struct list_head *phases[] = {
>               &vm->inactive_list,
> @@ -99,7 +98,7 @@ i915_gem_evict_something(struct drm_device *dev, struct 
> i915_address_space *vm,
>       struct i915_vma *vma, *next;
>       int ret;
>  
> -     trace_i915_gem_evict(dev, min_size, alignment, flags);
> +     trace_i915_gem_evict(vm, min_size, alignment, flags);
>  
>       /*
>        * The goal is to evict objects and amalgamate space in LRU order.
> @@ -154,7 +153,7 @@ search_again:
>                * back to userspace to give our workqueues time to
>                * acquire our locks and unpin the old scanouts.
>                */
> -             return intel_has_pending_fb_unpin(dev) ? -EAGAIN : -ENOSPC;
> +             return intel_has_pending_fb_unpin(vm->dev) ? -EAGAIN : -ENOSPC;
>       }
>  
>       /* Not everything in the GGTT is tracked via vma (otherwise we
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c 
> b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index 59ecaf2c8bf8..5869fa074009 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -2012,7 +2012,7 @@ alloc:
>                                                 0, ggtt->base.total,
>                                                 DRM_MM_TOPDOWN);
>       if (ret == -ENOSPC && !retried) {
> -             ret = i915_gem_evict_something(dev, &ggtt->base,
> +             ret = i915_gem_evict_something(&ggtt->base,
>                                              GEN6_PD_SIZE, GEN6_PD_ALIGN,
>                                              I915_CACHE_NONE,
>                                              0, ggtt->base.total,
> diff --git a/drivers/gpu/drm/i915/i915_trace.h 
> b/drivers/gpu/drm/i915/i915_trace.h
> index 9e43c0aa6e3b..178798002a73 100644
> --- a/drivers/gpu/drm/i915/i915_trace.h
> +++ b/drivers/gpu/drm/i915/i915_trace.h
> @@ -394,25 +394,27 @@ DEFINE_EVENT(i915_gem_object, i915_gem_object_destroy,
>  );
>  
>  TRACE_EVENT(i915_gem_evict,
> -         TP_PROTO(struct drm_device *dev, u32 size, u32 align, unsigned 
> flags),
> -         TP_ARGS(dev, size, align, flags),
> +         TP_PROTO(struct i915_address_space *vm, u32 size, u32 align, 
> unsigned int flags),
> +         TP_ARGS(vm, size, align, flags),
>  
>           TP_STRUCT__entry(
>                            __field(u32, dev)
> +                          __field(struct i915_address_space *, vm)
>                            __field(u32, size)
>                            __field(u32, align)
> -                          __field(unsigned, flags)
> +                          __field(unsigned int, flags)
>                           ),
>  
>           TP_fast_assign(
> -                        __entry->dev = dev->primary->index;
> +                        __entry->dev = vm->dev->primary->index;
> +                        __entry->vm = vm;
>                          __entry->size = size;
>                          __entry->align = align;
>                          __entry->flags = flags;
>                         ),
>  
> -         TP_printk("dev=%d, size=%d, align=%d %s",
> -                   __entry->dev, __entry->size, __entry->align,
> +         TP_printk("dev=%d, vm=%p, size=%d, align=%d %s",
> +                   __entry->dev, __entry->vm, __entry->size, __entry->align,
>                     __entry->flags & PIN_MAPPABLE ? ", mappable" : "")
>  );
>  
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation
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