diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_object.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c | 2 |
3 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 42619fc05de4..090724fa766c 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -255,6 +255,7 @@ struct i915_execbuffer { struct intel_context *context; /* logical state for the request */ struct i915_gem_context *gem_context; /** caller's context */ intel_wakeref_t wakeref; + intel_wakeref_t wakeref_gt0; /** our requests to build */ struct i915_request *requests[MAX_ENGINE_INSTANCE + 1]; @@ -2685,6 +2686,7 @@ static int eb_select_engine(struct i915_execbuffer *eb) { struct intel_context *ce, *child; + struct intel_gt *gt; unsigned int idx; int err; @@ -2708,10 +2710,17 @@ eb_select_engine(struct i915_execbuffer *eb) } } eb->num_batches = ce->parallel.number_children + 1; + gt = ce->engine->gt; for_each_child(ce, child) intel_context_get(child); eb->wakeref = intel_gt_pm_get(ce->engine->gt); + /* + * Keep GT0 active on MTL so that i915_vma_parked() doesn't + * free VMAs while execbuf ioctl is validating VMAs. + */ + if (gt->info.id) + eb->wakeref_gt0 = intel_gt_pm_get(to_gt(gt->i915)); if (!test_bit(CONTEXT_ALLOC_BIT, &ce->flags)) { err = intel_context_alloc_state(ce); @@ -2750,6 +2759,9 @@ eb_select_engine(struct i915_execbuffer *eb) return err; err: + if (gt->info.id) + intel_gt_pm_put(to_gt(gt->i915), eb->wakeref_gt0); + intel_gt_pm_put(ce->engine->gt, eb->wakeref); for_each_child(ce, child) intel_context_put(child); @@ -2763,6 +2775,12 @@ eb_put_engine(struct i915_execbuffer *eb) struct intel_context *child; i915_vm_put(eb->context->vm); + /* + * This works in conjunction with eb_select_engine() to prevent + * i915_vma_parked() from interfering while execbuf validates vmas. + */ + if (eb->gt->info.id) + intel_gt_pm_put(to_gt(eb->gt->i915), eb->wakeref_gt0); intel_gt_pm_put(eb->context->engine->gt, eb->wakeref); for_each_child(eb->context, child) intel_context_put(child); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h index 3560a062d287..5d7446a48ae7 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_object.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h @@ -284,7 +284,9 @@ bool i915_gem_object_has_iomem(const struct drm_i915_gem_object *obj); static inline bool i915_gem_object_is_shrinkable(const struct drm_i915_gem_object *obj) { - return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_SHRINKABLE); + /* TODO: make DPT shrinkable when it has no bound vmas */ + return i915_gem_object_type_has(obj, I915_GEM_OBJECT_IS_SHRINKABLE) && + !obj->is_dpt; } static inline bool diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c index 65a931ea80e9..3527b8f446fe 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_dmabuf.c @@ -196,7 +196,7 @@ static int verify_access(struct drm_i915_private *i915, if (err) goto out_file; - mode = intel_gt_coherent_map_type(to_gt(i915), native_obj, true); + mode = intel_gt_coherent_map_type(to_gt(i915), native_obj, false); vaddr = i915_gem_object_pin_map_unlocked(native_obj, mode); if (IS_ERR(vaddr)) { err = PTR_ERR(vaddr); |