From: Maarten Lankhorst maarten.lankhorst@linux.intel.com
By default, we assume that it's called inside igt_create_request to keep existing selftests working, but allow for manual pinning when passing a ww context.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/selftests/igt_spinner.c | 136 ++++++++++++------- drivers/gpu/drm/i915/selftests/igt_spinner.h | 5 + 2 files changed, 95 insertions(+), 46 deletions(-)
diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.c b/drivers/gpu/drm/i915/selftests/igt_spinner.c index ec0ecb4e4ca6..9c461edb0b73 100644 --- a/drivers/gpu/drm/i915/selftests/igt_spinner.c +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.c @@ -11,8 +11,6 @@
int igt_spinner_init(struct igt_spinner *spin, struct intel_gt *gt) { - unsigned int mode; - void *vaddr; int err;
memset(spin, 0, sizeof(*spin)); @@ -23,6 +21,7 @@ int igt_spinner_init(struct igt_spinner *spin, struct intel_gt *gt) err = PTR_ERR(spin->hws); goto err; } + i915_gem_object_set_cache_coherency(spin->hws, I915_CACHE_LLC);
spin->obj = i915_gem_object_create_internal(gt->i915, PAGE_SIZE); if (IS_ERR(spin->obj)) { @@ -30,34 +29,83 @@ int igt_spinner_init(struct igt_spinner *spin, struct intel_gt *gt) goto err_hws; }
- i915_gem_object_set_cache_coherency(spin->hws, I915_CACHE_LLC); - vaddr = i915_gem_object_pin_map(spin->hws, I915_MAP_WB); - if (IS_ERR(vaddr)) { - err = PTR_ERR(vaddr); - goto err_obj; - } - spin->seqno = memset(vaddr, 0xff, PAGE_SIZE); - - mode = i915_coherent_map_type(gt->i915); - vaddr = i915_gem_object_pin_map(spin->obj, mode); - if (IS_ERR(vaddr)) { - err = PTR_ERR(vaddr); - goto err_unpin_hws; - } - spin->batch = vaddr; - return 0;
-err_unpin_hws: - i915_gem_object_unpin_map(spin->hws); -err_obj: - i915_gem_object_put(spin->obj); err_hws: i915_gem_object_put(spin->hws); err: return err; }
+static void *igt_spinner_pin_obj(struct intel_context *ce, + struct i915_gem_ww_ctx *ww, + struct drm_i915_gem_object *obj, + unsigned int mode, struct i915_vma **vma) +{ + void *vaddr; + int ret; + + *vma = i915_vma_instance(obj, ce->vm, NULL); + if (IS_ERR(*vma)) + return ERR_CAST(*vma); + + ret = i915_gem_object_lock(obj, ww); + if (ret) + return ERR_PTR(ret); + + vaddr = i915_gem_object_pin_map(obj, mode); + + if (!ww) + i915_gem_object_unlock(obj); + + if (IS_ERR(vaddr)) + return vaddr; + + if (ww) + ret = i915_vma_pin_ww(*vma, ww, 0, 0, PIN_USER); + else + ret = i915_vma_pin(*vma, 0, 0, PIN_USER); + + if (ret) { + i915_gem_object_unpin_map(obj); + return ERR_PTR(ret); + } + + return vaddr; +} + +int igt_spinner_pin(struct igt_spinner *spin, + struct intel_context *ce, + struct i915_gem_ww_ctx *ww) +{ + void *vaddr; + + if (spin->ce && WARN_ON(spin->ce != ce)) + return -ENODEV; + spin->ce = ce; + + if (!spin->seqno) { + vaddr = igt_spinner_pin_obj(ce, ww, spin->hws, I915_MAP_WB, &spin->hws_vma); + if (IS_ERR(vaddr)) + return PTR_ERR(vaddr); + + spin->seqno = memset(vaddr, 0xff, PAGE_SIZE); + } + + if (!spin->batch) { + unsigned int mode = + i915_coherent_map_type(spin->gt->i915); + + vaddr = igt_spinner_pin_obj(ce, ww, spin->obj, mode, &spin->batch_vma); + if (IS_ERR(vaddr)) + return PTR_ERR(vaddr); + + spin->batch = vaddr; + } + + return 0; +} + static unsigned int seqno_offset(u64 fence) { return offset_in_page(sizeof(u32) * fence); @@ -102,27 +150,18 @@ igt_spinner_create_request(struct igt_spinner *spin, if (!intel_engine_can_store_dword(ce->engine)) return ERR_PTR(-ENODEV);
- vma = i915_vma_instance(spin->obj, ce->vm, NULL); - if (IS_ERR(vma)) - return ERR_CAST(vma); - - hws = i915_vma_instance(spin->hws, ce->vm, NULL); - if (IS_ERR(hws)) - return ERR_CAST(hws); + if (!spin->batch) { + err = igt_spinner_pin(spin, ce, NULL); + if (err) + return ERR_PTR(err); + }
- err = i915_vma_pin(vma, 0, 0, PIN_USER); - if (err) - return ERR_PTR(err); - - err = i915_vma_pin(hws, 0, 0, PIN_USER); - if (err) - goto unpin_vma; + hws = spin->hws_vma; + vma = spin->batch_vma;
rq = intel_context_create_request(ce); - if (IS_ERR(rq)) { - err = PTR_ERR(rq); - goto unpin_hws; - } + if (IS_ERR(rq)) + return ERR_CAST(rq);
err = move_to_active(vma, rq, 0); if (err) @@ -185,10 +224,6 @@ igt_spinner_create_request(struct igt_spinner *spin, i915_request_set_error_once(rq, err); i915_request_add(rq); } -unpin_hws: - i915_vma_unpin(hws); -unpin_vma: - i915_vma_unpin(vma); return err ? ERR_PTR(err) : rq; }
@@ -202,6 +237,9 @@ hws_seqno(const struct igt_spinner *spin, const struct i915_request *rq)
void igt_spinner_end(struct igt_spinner *spin) { + if (!spin->batch) + return; + *spin->batch = MI_BATCH_BUFFER_END; intel_gt_chipset_flush(spin->gt); } @@ -210,10 +248,16 @@ void igt_spinner_fini(struct igt_spinner *spin) { igt_spinner_end(spin);
- i915_gem_object_unpin_map(spin->obj); + if (spin->batch) { + i915_vma_unpin(spin->batch_vma); + i915_gem_object_unpin_map(spin->obj); + } i915_gem_object_put(spin->obj);
- i915_gem_object_unpin_map(spin->hws); + if (spin->seqno) { + i915_vma_unpin(spin->hws_vma); + i915_gem_object_unpin_map(spin->hws); + } i915_gem_object_put(spin->hws); }
diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.h b/drivers/gpu/drm/i915/selftests/igt_spinner.h index ec62c9ef320b..fbe5b1625b05 100644 --- a/drivers/gpu/drm/i915/selftests/igt_spinner.h +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.h @@ -20,11 +20,16 @@ struct igt_spinner { struct intel_gt *gt; struct drm_i915_gem_object *hws; struct drm_i915_gem_object *obj; + struct intel_context *ce; + struct i915_vma *hws_vma, *batch_vma; u32 *batch; void *seqno; };
int igt_spinner_init(struct igt_spinner *spin, struct intel_gt *gt); +int igt_spinner_pin(struct igt_spinner *spin, + struct intel_context *ce, + struct i915_gem_ww_ctx *ww); void igt_spinner_fini(struct igt_spinner *spin);
struct i915_request *