diff options
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
| commit | 92907cbbef8625bb3998d1eb385fc88f23c97a3f (patch) | |
| tree | 15626ff9287e37c3cb81c7286d6db5a7fd77c854 /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | 15fbfccfe92c62ae8d1ecc647c44157ed01ac02e (diff) | |
| parent | 1ec218373b8ebda821aec00bb156a9c94fad9cd4 (diff) | |
Merge tag 'v4.4-rc2' into drm-intel-next-queued
Linux 4.4-rc2
Backmerge to get at
commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date: Thu Nov 5 23:04:11 2015 +0200
drm/i915/skl: disable display side power well support for now
so that we can proplery re-eanble skl power wells in -next.
Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 7297ca3a0ba7..00c5b580f56c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -115,9 +115,10 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_bo_va *bo_va; int r; - + mutex_lock(&vm->mutex); r = amdgpu_bo_reserve(rbo, false); if (r) { + mutex_unlock(&vm->mutex); return r; } @@ -128,7 +129,7 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_pri ++bo_va->ref_count; } amdgpu_bo_unreserve(rbo); - + mutex_unlock(&vm->mutex); return 0; } @@ -141,9 +142,10 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj, struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_bo_va *bo_va; int r; - + mutex_lock(&vm->mutex); r = amdgpu_bo_reserve(rbo, true); if (r) { + mutex_unlock(&vm->mutex); dev_err(adev->dev, "leaking bo va because " "we fail to reserve bo (%d)\n", r); return; @@ -155,6 +157,7 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj, } } amdgpu_bo_unreserve(rbo); + mutex_unlock(&vm->mutex); } static int amdgpu_gem_handle_lockup(struct amdgpu_device *adev, int r) @@ -181,7 +184,6 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, bool kernel = false; int r; - down_read(&adev->exclusive_lock); /* create a gem object to contain this object in */ if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS | AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) { @@ -214,11 +216,9 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, memset(args, 0, sizeof(*args)); args->out.handle = handle; - up_read(&adev->exclusive_lock); return 0; error_unlock: - up_read(&adev->exclusive_lock); r = amdgpu_gem_handle_lockup(adev, r); return r; } @@ -250,8 +250,6 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, return -EACCES; } - down_read(&adev->exclusive_lock); - /* create a gem object to contain this object in */ r = amdgpu_gem_object_create(adev, args->size, 0, AMDGPU_GEM_DOMAIN_CPU, 0, @@ -293,14 +291,12 @@ int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data, goto handle_lockup; args->handle = handle; - up_read(&adev->exclusive_lock); return 0; release_object: drm_gem_object_unreference_unlocked(gobj); handle_lockup: - up_read(&adev->exclusive_lock); r = amdgpu_gem_handle_lockup(adev, r); return r; @@ -487,19 +483,17 @@ static void amdgpu_gem_va_update_vm(struct amdgpu_device *adev, if (domain == AMDGPU_GEM_DOMAIN_CPU) goto error_unreserve; } + r = amdgpu_vm_update_page_directory(adev, bo_va->vm); + if (r) + goto error_unreserve; - mutex_lock(&bo_va->vm->mutex); r = amdgpu_vm_clear_freed(adev, bo_va->vm); if (r) - goto error_unlock; - + goto error_unreserve; if (operation == AMDGPU_VA_OP_MAP) r = amdgpu_vm_bo_update(adev, bo_va, &bo_va->bo->tbo.mem); -error_unlock: - mutex_unlock(&bo_va->vm->mutex); - error_unreserve: ttm_eu_backoff_reservation(&ticket, &list); @@ -521,6 +515,9 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, struct amdgpu_fpriv *fpriv = filp->driver_priv; struct amdgpu_bo *rbo; struct amdgpu_bo_va *bo_va; + struct ttm_validate_buffer tv, tv_pd; + struct ww_acquire_ctx ticket; + struct list_head list, duplicates; uint32_t invalid_flags, va_flags = 0; int r = 0; @@ -556,17 +553,31 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, gobj = drm_gem_object_lookup(dev, filp, args->handle); if (gobj == NULL) return -ENOENT; - + mutex_lock(&fpriv->vm.mutex); rbo = gem_to_amdgpu_bo(gobj); - r = amdgpu_bo_reserve(rbo, false); + INIT_LIST_HEAD(&list); + INIT_LIST_HEAD(&duplicates); + tv.bo = &rbo->tbo; + tv.shared = true; + list_add(&tv.head, &list); + + if (args->operation == AMDGPU_VA_OP_MAP) { + tv_pd.bo = &fpriv->vm.page_directory->tbo; + tv_pd.shared = true; + list_add(&tv_pd.head, &list); + } + r = ttm_eu_reserve_buffers(&ticket, &list, true, &duplicates); if (r) { + mutex_unlock(&fpriv->vm.mutex); drm_gem_object_unreference_unlocked(gobj); return r; } bo_va = amdgpu_vm_bo_find(&fpriv->vm, rbo); if (!bo_va) { - amdgpu_bo_unreserve(rbo); + ttm_eu_backoff_reservation(&ticket, &list); + drm_gem_object_unreference_unlocked(gobj); + mutex_unlock(&fpriv->vm.mutex); return -ENOENT; } @@ -588,10 +599,10 @@ int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data, default: break; } - + ttm_eu_backoff_reservation(&ticket, &list); if (!r && !(args->flags & AMDGPU_VM_DELAY_UPDATE)) amdgpu_gem_va_update_vm(adev, bo_va, args->operation); - + mutex_unlock(&fpriv->vm.mutex); drm_gem_object_unreference_unlocked(gobj); return r; } |