As a preparation step for full object locking and wait/wound handling
during pin and object mapping, ensure that we always pass the ww context
in i915_gem_execbuffer.c to i915_vma_pin, use lockdep to ensure this
happens.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_context.c | 4 +-
.../gpu/drm/i915/gem/i915_gem_execbuffer.c | 20 +++---
drivers/gpu/drm/i915/gt/gen6_ppgtt.c | 4 +-
drivers/gpu/drm/i915/gt/gen6_ppgtt.h | 4 +-
drivers/gpu/drm/i915/gt/intel_context.c | 65 ++++++++++++-------
drivers/gpu/drm/i915/gt/intel_context.h | 13 ++++
drivers/gpu/drm/i915/gt/intel_context_types.h | 3 +-
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
drivers/gpu/drm/i915/gt/intel_lrc.c | 3 +-
drivers/gpu/drm/i915/gt/intel_renderstate.c | 2 +-
drivers/gpu/drm/i915/gt/intel_ring.c | 10 ++-
drivers/gpu/drm/i915/gt/intel_ring.h | 3 +-
.../gpu/drm/i915/gt/intel_ring_submission.c | 15 ++---
drivers/gpu/drm/i915/gt/intel_timeline.c | 10 ++-
drivers/gpu/drm/i915/gt/intel_timeline.h | 3 +-
drivers/gpu/drm/i915/gt/mock_engine.c | 3 +-
drivers/gpu/drm/i915/gt/selftest_timeline.c | 4 +-
drivers/gpu/drm/i915/i915_vma.c | 13 +++-
drivers/gpu/drm/i915/i915_vma.h | 13 +++-
19 files changed, 129 insertions(+), 65 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 8e73b21788da..172085d010de 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -969,7 +969,7 @@ static int context_barrier_task(struct i915_gem_context *ctx,
i915_gem_ww_ctx_init(&ww, true);
retry:
- err = intel_context_pin(ce);
+ err = intel_context_pin_ww(ce, &ww);
if (err)
goto err;
@@ -1062,7 +1062,7 @@ static int pin_ppgtt_update(struct intel_context *ce, struct i915_gem_ww_ctx *ww
if (!HAS_LOGICAL_RING_CONTEXTS(vm->i915))
/* ppGTT is not part of the legacy context image */
- return gen6_ppgtt_pin(i915_vm_to_ppgtt(vm));
+ return gen6_ppgtt_pin(i915_vm_to_ppgtt(vm), ww);
return 0;
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index abc84c5e390d..3769873914ae 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -395,7 +395,7 @@ eb_pin_vma(struct i915_execbuffer *eb,
if (unlikely(ev->flags & EXEC_OBJECT_NEEDS_GTT))
pin_flags |= PIN_GLOBAL;
- if (unlikely(i915_vma_pin(vma, 0, 0, pin_flags)))
+ if (unlikely(i915_vma_pin_ww(vma, &eb->ww, 0, 0, pin_flags)))
return false;
if (unlikely(ev->flags & EXEC_OBJECT_NEEDS_FENCE)) {
@@ -549,7 +549,7 @@ static inline int use_cpu_reloc(const struct reloc_cache *cache,
obj->cache_level != I915_CACHE_NONE);
}
-static int eb_reserve_vma(const struct i915_execbuffer *eb, struct eb_vma *ev)
+static int eb_reserve_vma(struct i915_execbuffer *eb, struct eb_vma *ev)
{
struct drm_i915_gem_exec_object2 *entry = ev->exec;
unsigned int exec_flags = ev->flags;
@@ -578,7 +578,7 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb, struct eb_vma *ev)
pin_flags |= BATCH_OFFSET_BIAS | PIN_OFFSET_BIAS;
}
- err = i915_vma_pin(vma,
+ err = i915_vma_pin_ww(vma, &eb->ww,
entry->pad_to_size, entry->alignment,
pin_flags);
if (err)
@@ -1180,7 +1180,7 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb,
goto err_unmap;
}
- err = i915_vma_pin(batch, 0, 0, PIN_USER | PIN_NONBLOCK);
+ err = i915_vma_pin_ww(batch, &eb->ww, 0, 0, PIN_USER | PIN_NONBLOCK);
if (err)
goto err_unmap;
@@ -1763,6 +1763,7 @@ static noinline int eb_relocate_parse_slow(struct i915_execbuffer *eb,
rq = eb_pin_engine(eb);
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
+ rq = NULL;
goto err;
}
@@ -2031,7 +2032,8 @@ static int i915_reset_gen7_sol_offsets(struct i915_request *rq)
}
static struct i915_vma *
-shadow_batch_pin(struct drm_i915_gem_object *obj,
+shadow_batch_pin(struct i915_execbuffer *eb,
+ struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
unsigned int flags)
{
@@ -2042,7 +2044,7 @@ shadow_batch_pin(struct drm_i915_gem_object *obj,
if (IS_ERR(vma))
return vma;
- err = i915_vma_pin(vma, 0, 0, flags);
+ err = i915_vma_pin_ww(vma, &eb->ww, 0, 0, flags);
if (err)
return ERR_PTR(err);
@@ -2186,7 +2188,7 @@ static int eb_parse(struct i915_execbuffer *eb)
if (err)
goto err;
- shadow = shadow_batch_pin(pool->obj, eb->context->vm, PIN_USER);
+ shadow = shadow_batch_pin(eb, pool->obj, eb->context->vm, PIN_USER);
if (IS_ERR(shadow)) {
err = PTR_ERR(shadow);
goto err;
@@ -2197,7 +2199,7 @@ static int eb_parse(struct i915_execbuffer *eb)
if (CMDPARSER_USES_GGTT(eb->i915)) {
trampoline = shadow;
- shadow = shadow_batch_pin(pool->obj,
+ shadow = shadow_batch_pin(eb, pool->obj,
&eb->engine->gt->ggtt->vm,
PIN_GLOBAL);
if (IS_ERR(shadow)) {
@@ -2384,7 +2386,7 @@ static struct i915_request *eb_pin_engine(struct i915_execbuffer *eb)
* GGTT space, so do this first before we reserve a seqno for
* ourselves.
*/
- err = intel_context_pin(ce);
+ err = intel_context_pin_ww(ce, &eb->ww);
if (err)
return ERR_PTR(err);
diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
index f4fec7eb4064..8248efa9229f 100644
--- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
@@ -376,7 +376,7 @@ static struct i915_vma *pd_vma_create(struct gen6_ppgtt *ppgtt, int size)
return vma;
}
-int gen6_ppgtt_pin(struct i915_ppgtt *base)
+int gen6_ppgtt_pin(struct i915_ppgtt *base, struct i915_gem_ww_ctx *ww)
{
struct gen6_ppgtt *ppgtt = to_gen6_ppgtt(base);
int err;
@@ -402,7 +402,7 @@ int gen6_ppgtt_pin(struct i915_ppgtt *base)
*/
err = 0;
if (!atomic_read(&ppgtt->pin_count))
- err = i915_ggtt_pin(ppgtt->vma, GEN6_PD_ALIGN, PIN_HIGH);
+ err = i915_ggtt_pin(ppgtt->vma, ww, GEN6_PD_ALIGN, PIN_HIGH);
if (!err)
atomic_inc(&ppgtt->pin_count);
mutex_unlock(&ppgtt->pin_mutex);
diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.h b/drivers/gpu/drm/i915/gt/gen6_ppgtt.h
index 72e481806c96..00032a931bae 100644
--- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.h
+++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.h
@@ -8,6 +8,8 @@
#include "intel_gtt.h"
+struct i915_gem_ww_ctx;
+
struct gen6_ppgtt {
struct i915_ppgtt base;
@@ -66,7 +68,7 @@ static inline struct gen6_ppgtt *to_gen6_ppgtt(struct i915_ppgtt *base)
(pt = i915_pt_entry(pd, iter), true); \
++iter)
-int gen6_ppgtt_pin(struct i915_ppgtt *base);
+int gen6_ppgtt_pin(struct i915_ppgtt *base, struct i915_gem_ww_ctx *ww);
void gen6_ppgtt_unpin(struct i915_ppgtt *base);
void gen6_ppgtt_unpin_all(struct i915_ppgtt *base);
void gen6_ppgtt_enable(struct intel_gt *gt);
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index 1466e990c7d3..607fe997ef9d 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -91,12 +91,12 @@ static void intel_context_active_release(struct intel_context *ce)
i915_active_release(&ce->active);
}
-static int __context_pin_state(struct i915_vma *vma)
+static int __context_pin_state(struct i915_vma *vma, struct i915_gem_ww_ctx *ww)
{
unsigned int bias = i915_ggtt_pin_bias(vma) | PIN_OFFSET_BIAS;
int err;
- err = i915_ggtt_pin(vma, 0, bias | PIN_HIGH);
+ err = i915_ggtt_pin(vma, ww, 0, bias | PIN_HIGH);
if (err)
return err;
@@ -125,7 +125,8 @@ static void __context_unpin_state(struct i915_vma *vma)
__i915_vma_unpin(vma);
}
-static int __ring_active(struct intel_ring *ring)
+static int __ring_active(struct intel_ring *ring,
+ struct i915_gem_ww_ctx *ww)
{
int err;
@@ -133,7 +134,7 @@ static int __ring_active(struct intel_ring *ring)
if (err)
return err;
- err = intel_ring_pin(ring);
+ err = intel_ring_pin(ring, ww);
if (err)
goto err_active;
@@ -150,24 +151,25 @@ static void __ring_retire(struct intel_ring *ring)
i915_active_release(&ring->vma->active);
}
-static int intel_context_pre_pin(struct intel_context *ce)
+static int intel_context_pre_pin(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww)
{
int err;
CE_TRACE(ce, "active\n");
- err = __ring_active(ce->ring);
+ err = __ring_active(ce->ring, ww);
if (err)
return err;
- err = intel_timeline_pin(ce->timeline);
+ err = intel_timeline_pin(ce->timeline, ww);
if (err)
goto err_ring;
if (!ce->state)
return 0;
- err = __context_pin_state(ce->state);
+ err = __context_pin_state(ce->state, ww);
if (err)
goto err_timeline;
@@ -189,7 +191,8 @@ static void intel_context_post_unpin(struct intel_context *ce)
__ring_retire(ce->ring);
}
-int __intel_context_do_pin(struct intel_context *ce)
+int __intel_context_do_pin_ww(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww)
{
bool handoff = false;
void *vaddr;
@@ -206,11 +209,18 @@ int __intel_context_do_pin(struct intel_context *ce)
* refcount for __intel_context_active(), which prevent a lock
* inversion of ce->pin_mutex vs dma_resv_lock().
*/
- err = intel_context_pre_pin(ce);
+
+ err = i915_gem_object_lock(ce->ring->vma->obj, ww);
+ if (!err)
+ err = i915_gem_object_lock(ce->timeline->hwsp_ggtt->obj, ww);
+ if (!err)
+ err = i915_gem_object_lock(ce->state->obj, ww);
+ if (!err)
+ err = intel_context_pre_pin(ce, ww);
if (err)
return err;
- err = ce->ops->pre_pin(ce, &vaddr);
+ err = ce->ops->pre_pin(ce, ww, &vaddr);
if (err)
goto err_ctx_unpin;
@@ -249,6 +259,23 @@ int __intel_context_do_pin(struct intel_context *ce)
return err;
}
+int __intel_context_do_pin(struct intel_context *ce)
+{
+ struct i915_gem_ww_ctx ww;
+ int err;
+
+ i915_gem_ww_ctx_init(&ww, true);
+retry:
+ err = __intel_context_do_pin_ww(ce, &ww);
+ if (err == -EDEADLK) {
+ err = i915_gem_ww_ctx_backoff(&ww);
+ if (!err)
+ goto retry;
+ }
+ i915_gem_ww_ctx_fini(&ww);
+ return err;
+}
+
void intel_context_unpin(struct intel_context *ce)
{
if (!atomic_dec_and_test(&ce->pin_count))
@@ -285,18 +312,14 @@ __i915_active_call
static int __intel_context_active(struct i915_active *active)
{
struct intel_context *ce = container_of(active, typeof(*ce), active);
- int err;
intel_context_get(ce);
/* everything should already be activated by intel_context_pre_pin() */
- err = __ring_active(ce->ring);
- if (GEM_WARN_ON(err))
- goto err_put;
+ GEM_WARN_ON(!i915_active_acquire_if_busy(&ce->ring->vma->active));
+ __intel_ring_pin(ce->ring);
- err = intel_timeline_pin(ce->timeline);
- if (GEM_WARN_ON(err))
- goto err_ring;
+ __intel_timeline_pin(ce->timeline);
if (ce->state) {
GEM_WARN_ON(!i915_active_acquire_if_busy(&ce->state->active));
@@ -305,12 +328,6 @@ static int __intel_context_active(struct i915_active *active)
}
return 0;
-
-err_ring:
- __ring_retire(ce->ring);
-err_put:
- intel_context_put(ce);
- return err;
}
void
diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h
index 30bd248827d8..a18c261ce2f5 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.h
+++ b/drivers/gpu/drm/i915/gt/intel_context.h
@@ -24,6 +24,8 @@
##__VA_ARGS__); \
} while (0)
+struct i915_gem_ww_ctx;
+
void intel_context_init(struct intel_context *ce,
struct intel_engine_cs *engine);
void intel_context_fini(struct intel_context *ce);
@@ -77,6 +79,8 @@ static inline void intel_context_unlock_pinned(struct intel_context *ce)
}
int __intel_context_do_pin(struct intel_context *ce);
+int __intel_context_do_pin_ww(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww);
static inline bool intel_context_pin_if_active(struct intel_context *ce)
{
@@ -91,6 +95,15 @@ static inline int intel_context_pin(struct intel_context *ce)
return __intel_context_do_pin(ce);
}
+static inline int intel_context_pin_ww(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww)
+{
+ if (likely(intel_context_pin_if_active(ce)))
+ return 0;
+
+ return __intel_context_do_pin_ww(ce, ww);
+}
+
static inline void __intel_context_pin(struct intel_context *ce)
{
GEM_BUG_ON(!intel_context_is_pinned(ce));
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h
index 65457354eb39..c5766baa40db 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_types.h
@@ -20,6 +20,7 @@
#define CONTEXT_REDZONE POISON_INUSE
struct i915_gem_context;
+struct i915_gem_ww_ctx;
struct i915_vma;
struct intel_context;
struct intel_ring;
@@ -27,7 +28,7 @@ struct intel_ring;
struct intel_context_ops {
int (*alloc)(struct intel_context *ce);
- int (*pre_pin)(struct intel_context *ce, void **vaddr);
+ int (*pre_pin)(struct intel_context *ce, struct i915_gem_ww_ctx *ww, void **vaddr);
int (*pin)(struct intel_context *ce, void *vaddr);
void (*unpin)(struct intel_context *ce);
void (*post_unpin)(struct intel_context *ce);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 084abc577b14..20e042dc4e1b 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -663,7 +663,7 @@ static int measure_breadcrumb_dw(struct intel_engine_cs *engine)
frame->rq.ring = &frame->ring;
rcu_assign_pointer(frame->rq.timeline, &frame->timeline);
- dw = intel_timeline_pin(&frame->timeline);
+ dw = intel_timeline_pin(&frame->timeline, NULL);
if (dw < 0)
goto out_timeline;
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index e053ca88233a..b9f222dfc0ed 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2885,7 +2885,8 @@ __execlists_update_reg_state(const struct intel_context *ce,
}
static int
-execlists_context_pre_pin(struct intel_context *ce, void **vaddr)
+execlists_context_pre_pin(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww, void **vaddr)
{
GEM_BUG_ON(!ce->state);
GEM_BUG_ON(!i915_vma_is_pinned(ce->state));
diff --git a/drivers/gpu/drm/i915/gt/intel_renderstate.c b/drivers/gpu/drm/i915/gt/intel_renderstate.c
index 37c4c253942b..6fd946016628 100644
--- a/drivers/gpu/drm/i915/gt/intel_renderstate.c
+++ b/drivers/gpu/drm/i915/gt/intel_renderstate.c
@@ -195,7 +195,7 @@ int intel_renderstate_init(struct intel_renderstate *so,
i915_gem_ww_ctx_init(&so->ww, true);
retry:
- err = intel_context_pin(ce);
+ err = intel_context_pin_ww(ce, &so->ww);
if (err)
goto err_fini;
diff --git a/drivers/gpu/drm/i915/gt/intel_ring.c b/drivers/gpu/drm/i915/gt/intel_ring.c
index 374b28f13ca0..90e360a88c84 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring.c
@@ -21,7 +21,13 @@ unsigned int intel_ring_update_space(struct intel_ring *ring)
return space;
}
-int intel_ring_pin(struct intel_ring *ring)
+void __intel_ring_pin(struct intel_ring *ring)
+{
+ GEM_BUG_ON(!atomic_read(&ring->pin_count));
+ atomic_inc(&ring->pin_count);
+}
+
+int intel_ring_pin(struct intel_ring *ring, struct i915_gem_ww_ctx *ww)
{
struct i915_vma *vma = ring->vma;
unsigned int flags;
@@ -41,7 +47,7 @@ int intel_ring_pin(struct intel_ring *ring)
else
flags |= PIN_HIGH;
- ret = i915_vma_pin(vma, 0, 0, flags);
+ ret = i915_vma_pin_ww(vma, ww, 0, 0, flags);
if (unlikely(ret))
goto err_unpin;
diff --git a/drivers/gpu/drm/i915/gt/intel_ring.h b/drivers/gpu/drm/i915/gt/intel_ring.h
index ea2839d9e044..df0bb51a13f5 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring.h
+++ b/drivers/gpu/drm/i915/gt/intel_ring.h
@@ -21,7 +21,8 @@ int intel_ring_cacheline_align(struct i915_request *rq);
unsigned int intel_ring_update_space(struct intel_ring *ring);
-int intel_ring_pin(struct intel_ring *ring);
+void __intel_ring_pin(struct intel_ring *ring);
+int intel_ring_pin(struct intel_ring *ring, struct i915_gem_ww_ctx *ww);
void intel_ring_unpin(struct intel_ring *ring);
void intel_ring_reset(struct intel_ring *ring, u32 tail);
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index cdadd9bb7d64..f26d9695d53b 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -1209,14 +1209,16 @@ static struct i915_address_space *vm_alias(struct intel_context *ce)
return vm;
}
-static int __context_pin_ppgtt(struct intel_context *ce)
+static int ring_context_pre_pin(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww,
+ void **unused)
{
struct i915_address_space *vm;
int err = 0;
vm = vm_alias(ce);
if (vm)
- err = gen6_ppgtt_pin(i915_vm_to_ppgtt((vm)));
+ err = gen6_ppgtt_pin(i915_vm_to_ppgtt((vm)), ww);
return err;
}
@@ -1332,11 +1334,6 @@ static int ring_context_alloc(struct intel_context *ce)
return 0;
}
-static int ring_context_pre_pin(struct intel_context *ce, void **unused)
-{
- return __context_pin_ppgtt(ce);
-}
-
static int ring_context_pin(struct intel_context *ce, void *unused)
{
return 0;
@@ -1984,7 +1981,7 @@ int intel_ring_submission_setup(struct intel_engine_cs *engine)
}
GEM_BUG_ON(timeline->has_initial_breadcrumb);
- err = intel_timeline_pin(timeline);
+ err = intel_timeline_pin(timeline, NULL);
if (err)
goto err_timeline;
@@ -1994,7 +1991,7 @@ int intel_ring_submission_setup(struct intel_engine_cs *engine)
goto err_timeline_unpin;
}
- err = intel_ring_pin(ring);
+ err = intel_ring_pin(ring, NULL);
if (err)
goto err_ring;
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 87716529cd2f..448072825ded 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -301,14 +301,20 @@ intel_timeline_create(struct intel_gt *gt, struct i915_vma *global_hwsp)
return timeline;
}
-int intel_timeline_pin(struct intel_timeline *tl)
+void __intel_timeline_pin(struct intel_timeline *tl)
+{
+ GEM_BUG_ON(!atomic_read(&tl->pin_count));
+ atomic_inc(&tl->pin_count);
+}
+
+int intel_timeline_pin(struct intel_timeline *tl, struct i915_gem_ww_ctx *ww)
{
int err;
if (atomic_add_unless(&tl->pin_count, 1, 0))
return 0;
- err = i915_vma_pin(tl->hwsp_ggtt, 0, 0, PIN_GLOBAL | PIN_HIGH);
+ err = i915_vma_pin_ww(tl->hwsp_ggtt, ww, 0, 0, PIN_GLOBAL | PIN_HIGH);
if (err)
return err;
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.h b/drivers/gpu/drm/i915/gt/intel_timeline.h
index f5b7eade3809..39dd897ad057 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.h
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.h
@@ -76,7 +76,8 @@ static inline bool intel_timeline_sync_is_later(struct intel_timeline *tl,
return __intel_timeline_sync_is_later(tl, fence->context, fence->seqno);
}
-int intel_timeline_pin(struct intel_timeline *tl);
+void __intel_timeline_pin(struct intel_timeline *tl);
+int intel_timeline_pin(struct intel_timeline *tl, struct i915_gem_ww_ctx *ww);
void intel_timeline_enter(struct intel_timeline *tl);
int intel_timeline_get_seqno(struct intel_timeline *tl,
struct i915_request *rq,
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index 3b15e749a0ed..b87b019f733a 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -166,7 +166,8 @@ static int mock_context_alloc(struct intel_context *ce)
return 0;
}
-static int mock_context_pre_pin(struct intel_context *ce, void **unused)
+static int mock_context_pre_pin(struct intel_context *ce,
+ struct i915_gem_ww_ctx *ww, void **unused)
{
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c
index e2d78cc22fb4..01d09b0030d9 100644
--- a/drivers/gpu/drm/i915/gt/selftest_timeline.c
+++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c
@@ -452,7 +452,7 @@ tl_write(struct intel_timeline *tl, struct intel_engine_cs *engine, u32 value)
struct i915_request *rq;
int err;
- err = intel_timeline_pin(tl);
+ err = intel_timeline_pin(tl, NULL);
if (err) {
rq = ERR_PTR(err);
goto out;
@@ -663,7 +663,7 @@ static int live_hwsp_wrap(void *arg)
if (!tl->has_initial_breadcrumb || !tl->hwsp_cacheline)
goto out_free;
- err = intel_timeline_pin(tl);
+ err = intel_timeline_pin(tl, NULL);
if (err)
goto out_free;
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 306b951831fe..9678387c2db0 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -855,13 +855,19 @@ static void vma_unbind_pages(struct i915_vma *vma)
__vma_put_pages(vma, count | count << I915_VMA_PAGES_BIAS);
}
-int i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
+int i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
+ u64 size, u64 alignment, u64 flags)
{
struct i915_vma_work *work = NULL;
intel_wakeref_t wakeref = 0;
unsigned int bound;
int err;
+#ifdef CONFIG_PROVE_LOCKING
+ if (debug_locks && lockdep_is_held(&vma->vm->i915->drm.struct_mutex))
+ WARN_ON(!ww);
+#endif
+
BUILD_BUG_ON(PIN_GLOBAL != I915_VMA_GLOBAL_BIND);
BUILD_BUG_ON(PIN_USER != I915_VMA_LOCAL_BIND);
@@ -968,7 +974,8 @@ static void flush_idle_contexts(struct intel_gt *gt)
intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT);
}
-int i915_ggtt_pin(struct i915_vma *vma, u32 align, unsigned int flags)
+int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
+ u32 align, unsigned int flags)
{
struct i915_address_space *vm = vma->vm;
int err;
@@ -976,7 +983,7 @@ int i915_ggtt_pin(struct i915_vma *vma, u32 align, unsigned int flags)
GEM_BUG_ON(!i915_vma_is_ggtt(vma));
do {
- err = i915_vma_pin(vma, 0, align, flags | PIN_GLOBAL);
+ err = i915_vma_pin_ww(vma, ww, 0, align, flags | PIN_GLOBAL);
if (err != -ENOSPC)
return err;
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 02b31a62951e..993cbf09638a 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -236,8 +236,17 @@ static inline void i915_vma_unlock(struct i915_vma *vma)
}
int __must_check
-i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags);
-int i915_ggtt_pin(struct i915_vma *vma, u32 align, unsigned int flags);
+i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
+ u64 size, u64 alignment, u64 flags);
+
+static inline int __must_check
+i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
+{
+ return i915_vma_pin_ww(vma, NULL, size, alignment, flags);
+}
+
+int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
+ u32 align, unsigned int flags);
static inline int i915_vma_pin_count(const struct i915_vma *vma)
{
--
2.24.1
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