diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_evict.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.h | 1 |
3 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 9811980..a13290a 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1706,6 +1706,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf) struct i915_vma *vma; pgoff_t page_offset; unsigned long pfn; + unsigned int flags; int ret; /* We don't use vmf->pgoff since that has the fake offset */ @@ -1735,9 +1736,16 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf) goto err_unlock; } + /* If the object is smaller than a couple of partial vma, it is + * not worth only creating a single partial vma - we may as well + * clear enough space for the full object. + */ + flags = PIN_MAPPABLE; + if (obj->base.size > 2 * MIN_CHUNK_PAGES << PAGE_SHIFT) + flags |= PIN_NONBLOCK | PIN_NONFAULT; + /* Now pin it into the GTT as needed */ - vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, - PIN_MAPPABLE | PIN_NONBLOCK); + vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, flags); if (IS_ERR(vma)) { struct i915_ggtt_view view; unsigned int chunk_size; diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index f76c06e..815d5fb 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -47,7 +47,7 @@ gpu_is_idle(struct drm_i915_private *dev_priv) } static bool -mark_free(struct i915_vma *vma, struct list_head *unwind) +mark_free(struct i915_vma *vma, unsigned int flags, struct list_head *unwind) { if (i915_vma_is_pinned(vma)) return false; @@ -55,6 +55,9 @@ mark_free(struct i915_vma *vma, struct list_head *unwind) if (WARN_ON(!list_empty(&vma->exec_list))) return false; + if (flags & PIN_NONFAULT && vma->obj->fault_mappable) + return false; + list_add(&vma->exec_list, unwind); return drm_mm_scan_add_block(&vma->node); } @@ -129,7 +132,7 @@ search_again: phase = phases; do { list_for_each_entry(vma, *phase, vm_link) - if (mark_free(vma, &eviction_list)) + if (mark_free(vma, flags, &eviction_list)) goto found; } while (*++phase); diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index c88af2a..9248a0e 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -637,6 +637,7 @@ void i915_gem_gtt_finish_object(struct drm_i915_gem_object *obj); #define PIN_NONBLOCK BIT(0) #define PIN_MAPPABLE BIT(1) #define PIN_ZONE_4G BIT(2) +#define PIN_NONFAULT BIT(3) #define PIN_MBZ BIT(5) /* I915_VMA_PIN_OVERFLOW */ #define PIN_GLOBAL BIT(6) /* I915_VMA_GLOBAL_BIND */ |