diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_mman.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_mman.c | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c index 1478c02a82cb..c3ea243d414d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c @@ -9,10 +9,13 @@ #include <linux/pfn_t.h> #include <linux/sizes.h> +#include <drm/drm_cache.h> + #include "gt/intel_gt.h" #include "gt/intel_gt_requests.h" #include "i915_drv.h" +#include "i915_gem_evict.h" #include "i915_gem_gtt.h" #include "i915_gem_ioctls.h" #include "i915_gem_object.h" @@ -295,7 +298,7 @@ static vm_fault_t vm_fault_gtt(struct vm_fault *vmf) struct drm_device *dev = obj->base.dev; struct drm_i915_private *i915 = to_i915(dev); struct intel_runtime_pm *rpm = &i915->runtime_pm; - struct i915_ggtt *ggtt = &i915->ggtt; + struct i915_ggtt *ggtt = to_gt(i915)->ggtt; bool write = area->vm_flags & VM_WRITE; struct i915_gem_ww_ctx ww; intel_wakeref_t wakeref; @@ -358,8 +361,21 @@ retry: vma = i915_gem_object_ggtt_pin_ww(obj, &ww, &view, 0, 0, flags); } - /* The entire mappable GGTT is pinned? Unexpected! */ - GEM_BUG_ON(vma == ERR_PTR(-ENOSPC)); + /* + * The entire mappable GGTT is pinned? Unexpected! + * Try to evict the object we locked too, as normally we skip it + * due to lack of short term pinning inside execbuf. + */ + if (vma == ERR_PTR(-ENOSPC)) { + ret = mutex_lock_interruptible(&ggtt->vm.mutex); + if (!ret) { + ret = i915_gem_evict_vm(&ggtt->vm, &ww); + mutex_unlock(&ggtt->vm.mutex); + } + if (ret) + goto err_reset; + vma = i915_gem_object_ggtt_pin_ww(obj, &ww, &view, 0, 0, flags); + } } if (IS_ERR(vma)) { ret = PTR_ERR(vma); @@ -388,16 +404,16 @@ retry: assert_rpm_wakelock_held(rpm); /* Mark as being mmapped into userspace for later revocation */ - mutex_lock(&i915->ggtt.vm.mutex); + mutex_lock(&to_gt(i915)->ggtt->vm.mutex); if (!i915_vma_set_userfault(vma) && !obj->userfault_count++) - list_add(&obj->userfault_link, &i915->ggtt.userfault_list); - mutex_unlock(&i915->ggtt.vm.mutex); + list_add(&obj->userfault_link, &to_gt(i915)->ggtt->userfault_list); + mutex_unlock(&to_gt(i915)->ggtt->vm.mutex); /* Track the mmo associated with the fenced vma */ vma->mmo = mmo; if (CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND) - intel_wakeref_auto(&i915->ggtt.userfault_wakeref, + intel_wakeref_auto(&to_gt(i915)->ggtt->userfault_wakeref, msecs_to_jiffies_timeout(CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)); if (write) { @@ -439,7 +455,7 @@ vm_access(struct vm_area_struct *area, unsigned long addr, return -EACCES; addr -= area->vm_start; - if (addr >= obj->base.size) + if (range_overflows_t(u64, addr, len, obj->base.size)) return -EINVAL; i915_gem_ww_ctx_init(&ww, true); @@ -512,7 +528,7 @@ void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj) * wakeref. */ wakeref = intel_runtime_pm_get(&i915->runtime_pm); - mutex_lock(&i915->ggtt.vm.mutex); + mutex_lock(&to_gt(i915)->ggtt->vm.mutex); if (!obj->userfault_count) goto out; @@ -530,7 +546,7 @@ void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj) wmb(); out: - mutex_unlock(&i915->ggtt.vm.mutex); + mutex_unlock(&to_gt(i915)->ggtt->vm.mutex); intel_runtime_pm_put(&i915->runtime_pm, wakeref); } @@ -736,13 +752,14 @@ i915_gem_dumb_mmap_offset(struct drm_file *file, u32 handle, u64 *offset) { + struct drm_i915_private *i915 = to_i915(dev); enum i915_mmap_type mmap_type; if (HAS_LMEM(to_i915(dev))) mmap_type = I915_MMAP_TYPE_FIXED; else if (pat_enabled()) mmap_type = I915_MMAP_TYPE_WC; - else if (!i915_ggtt_has_aperture(&to_i915(dev)->ggtt)) + else if (!i915_ggtt_has_aperture(to_gt(i915)->ggtt)) return -ENODEV; else mmap_type = I915_MMAP_TYPE_GTT; @@ -790,7 +807,7 @@ i915_gem_mmap_offset_ioctl(struct drm_device *dev, void *data, switch (args->flags) { case I915_MMAP_OFFSET_GTT: - if (!i915_ggtt_has_aperture(&i915->ggtt)) + if (!i915_ggtt_has_aperture(to_gt(i915)->ggtt)) return -ENODEV; type = I915_MMAP_TYPE_GTT; break; |