[PATCH 41/47] drm/i915: Move over to intel_context_lookup()
Chris Wilson
chris at chris-wilson.co.uk
Tue Feb 5 17:35:20 UTC 2019
In preparation for an ever growing number of engines and so ever
increasing static array of HW contexts within the GEM context, move the
array over to an rbtree, allocated upon first use.
Unfortunately, this imposes an rbtree lookup at a few frequent callsite,
but we should be able to mitigate those by moving over to using the HW
context as our primary type and so only incur the lookup on the boundary
with the user GEM context and engines.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/i915/Makefile | 1 +
drivers/gpu/drm/i915/gvt/mmio_context.c | 3 +-
drivers/gpu/drm/i915/i915_debugfs.c | 13 +-
drivers/gpu/drm/i915/i915_gem.c | 9 +-
drivers/gpu/drm/i915/i915_gem_context.c | 56 ++-----
drivers/gpu/drm/i915/i915_gem_context_types.h | 8 +-
drivers/gpu/drm/i915/i915_perf.c | 4 +-
drivers/gpu/drm/i915/intel_context.c | 138 ++++++++++++++++++
drivers/gpu/drm/i915/intel_context.h | 37 ++++-
drivers/gpu/drm/i915/intel_context_types.h | 2 +
drivers/gpu/drm/i915/intel_engine_cs.c | 2 +-
drivers/gpu/drm/i915/intel_guc_ads.c | 4 +-
drivers/gpu/drm/i915/intel_guc_submission.c | 4 +-
drivers/gpu/drm/i915/intel_lrc.c | 14 +-
drivers/gpu/drm/i915/intel_ringbuffer.c | 10 +-
drivers/gpu/drm/i915/selftests/mock_context.c | 4 -
drivers/gpu/drm/i915/selftests/mock_engine.c | 6 +-
17 files changed, 237 insertions(+), 78 deletions(-)
create mode 100644 drivers/gpu/drm/i915/intel_context.c
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 89105b1aaf12..d7292b349c0d 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -86,6 +86,7 @@ i915-y += \
i915_trace_points.o \
i915_vma.o \
intel_breadcrumbs.o \
+ intel_context.o \
intel_engine_cs.o \
intel_hangcheck.o \
intel_lrc.o \
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 7d84cfb9051a..442a74805129 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -492,7 +492,8 @@ static void switch_mmio(struct intel_vgpu *pre,
* itself.
*/
if (mmio->in_context &&
- !is_inhibit_context(&s->shadow_ctx->__engine[ring_id]))
+ !is_inhibit_context(intel_context_lookup(s->shadow_ctx,
+ dev_priv->engine[ring_id])))
continue;
if (mmio->mask)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index f3fa31d840f5..77a7cd50ef8a 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -392,7 +392,11 @@ static void print_context_stats(struct seq_file *m,
enum intel_engine_id id;
for_each_engine(engine, i915, id) {
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce;
+
+ ce = intel_context_lookup(ctx, engine);
+ if (!ce)
+ continue;
if (ce->state)
per_file_stats(0, ce->state->obj, &kstats);
@@ -1913,8 +1917,11 @@ static int i915_context_status(struct seq_file *m, void *unused)
seq_putc(m, '\n');
for_each_engine(engine, dev_priv, id) {
- struct intel_context *ce =
- to_intel_context(ctx, engine);
+ struct intel_context *ce;
+
+ ce = intel_context_lookup(ctx, engine);
+ if (!ce)
+ continue;
seq_printf(m, "%s: ", engine->name);
if (ce->state)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 7b7d9b8a312f..ca5e8f87f166 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4768,15 +4768,20 @@ static int __intel_engines_record_defaults(struct drm_i915_private *i915)
}
for_each_engine(engine, i915, id) {
+ struct intel_context *ce;
struct i915_vma *state;
void *vaddr;
- GEM_BUG_ON(to_intel_context(ctx, engine)->pin_count);
+ ce = intel_context_lookup(ctx, engine);
+ if (!ce)
+ continue;
- state = to_intel_context(ctx, engine)->state;
+ state = ce->state;
if (!state)
continue;
+ GEM_BUG_ON(ce->pin_count);
+
/*
* As we will hold a reference to the logical state, it will
* not be torn down with the context, and importantly the
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 6a80dda7ac6b..1824e6545205 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -224,7 +224,7 @@ static void release_hw_id(struct i915_gem_context *ctx)
static void i915_gem_context_free(struct i915_gem_context *ctx)
{
- unsigned int n;
+ struct intel_context *it, *n;
lockdep_assert_held(&ctx->i915->drm.struct_mutex);
GEM_BUG_ON(!i915_gem_context_is_closed(ctx));
@@ -233,12 +233,8 @@ static void i915_gem_context_free(struct i915_gem_context *ctx)
release_hw_id(ctx);
i915_ppgtt_put(ctx->ppgtt);
- for (n = 0; n < ARRAY_SIZE(ctx->__engine); n++) {
- struct intel_context *ce = &ctx->__engine[n];
-
- if (ce->ops)
- ce->ops->destroy(ce);
- }
+ rbtree_postorder_for_each_entry_safe(it, n, &ctx->hw_contexts, node)
+ it->ops->destroy(it);
kfree(ctx->engines);
@@ -346,39 +342,11 @@ static u32 default_desc_template(const struct drm_i915_private *i915,
return desc;
}
-static void intel_context_retire(struct i915_active_request *active,
- struct i915_request *rq)
-{
- struct intel_context *ce =
- container_of(active, typeof(*ce), active_tracker);
-
- intel_context_unpin(ce);
-}
-
-void
-intel_context_init(struct intel_context *ce,
- struct i915_gem_context *ctx,
- struct intel_engine_cs *engine)
-{
- ce->gem_context = ctx;
- ce->engine = engine;
-
- INIT_LIST_HEAD(&ce->signal_link);
- INIT_LIST_HEAD(&ce->signals);
-
- /* Use the whole device by default */
- ce->sseu = intel_device_default_sseu(ctx->i915);
-
- i915_active_request_init(&ce->active_tracker,
- NULL, intel_context_retire);
-}
-
static struct i915_gem_context *
__create_hw_context(struct drm_i915_private *dev_priv,
struct drm_i915_file_private *file_priv)
{
struct i915_gem_context *ctx;
- unsigned int n;
int ret;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -391,8 +359,8 @@ __create_hw_context(struct drm_i915_private *dev_priv,
ctx->sched.priority = I915_USER_PRIORITY(I915_PRIORITY_NORMAL);
INIT_LIST_HEAD(&ctx->active_engines);
- for (n = 0; n < ARRAY_SIZE(ctx->__engine); n++)
- intel_context_init(&ctx->__engine[n], ctx, dev_priv->engine[n]);
+ ctx->hw_contexts = RB_ROOT;
+ spin_lock_init(&ctx->hw_contexts_lock);
INIT_RADIX_TREE(&ctx->handles_vma, GFP_KERNEL);
INIT_LIST_HEAD(&ctx->handles_list);
@@ -936,8 +904,6 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *i915,
struct intel_ring *ring;
struct i915_request *rq;
- GEM_BUG_ON(!to_intel_context(i915->kernel_context, engine));
-
rq = i915_request_alloc(engine, i915->kernel_context);
if (IS_ERR(rq))
return PTR_ERR(rq);
@@ -1172,9 +1138,13 @@ __i915_gem_context_reconfigure_sseu(struct i915_gem_context *ctx,
struct intel_engine_cs *engine,
struct intel_sseu sseu)
{
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce;
int ret = 0;
+ ce = intel_context_instance(ctx, engine);
+ if (IS_ERR(ce))
+ return PTR_ERR(ce);
+
GEM_BUG_ON(INTEL_GEN(ctx->i915) < 8);
GEM_BUG_ON(engine->id != RCS);
@@ -1725,13 +1695,15 @@ static int get_sseu(struct i915_gem_context *ctx,
if (!engine)
return -EINVAL;
+ ce = intel_context_instance(ctx, engine);
+ if (IS_ERR(ce))
+ return PTR_ERR(ce);
+
/* Only use for mutex here is to serialize get_param and set_param. */
ret = mutex_lock_interruptible(&ctx->i915->drm.struct_mutex);
if (ret)
return ret;
- ce = to_intel_context(ctx, engine);
-
user_sseu.slice_mask = ce->sseu.slice_mask;
user_sseu.subslice_mask = ce->sseu.subslice_mask;
user_sseu.min_eus_per_subslice = ce->sseu.min_eus_per_subslice;
diff --git a/drivers/gpu/drm/i915/i915_gem_context_types.h b/drivers/gpu/drm/i915/i915_gem_context_types.h
index b69309b46098..865bbcd72ad4 100644
--- a/drivers/gpu/drm/i915/i915_gem_context_types.h
+++ b/drivers/gpu/drm/i915/i915_gem_context_types.h
@@ -7,7 +7,8 @@
#ifndef __I915_GEM_CONTEXT_TYPES_H__
#define __I915_GEM_CONTEXT_TYPES_H__
-#include "i915_gem.h" /* I915_NUM_ENGINES */
+#include <linux/rbtree.h>
+
#include "intel_context_types.h"
struct pid;
@@ -134,8 +135,9 @@ struct i915_gem_context {
struct i915_sched_attr sched;
- /** engine: per-engine logical HW state */
- struct intel_context __engine[I915_NUM_ENGINES];
+ /** hw_contexts: per-engine logical HW state */
+ struct rb_root hw_contexts;
+ spinlock_t hw_contexts_lock;
/** ring_size: size for allocating the per-engine ring buffer */
u32 ring_size;
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index f969a0512465..ecca231ca83a 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1740,11 +1740,11 @@ static int gen8_configure_all_contexts(struct drm_i915_private *dev_priv,
/* Update all contexts now that we've stalled the submission. */
list_for_each_entry(ctx, &dev_priv->contexts.list, link) {
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce = intel_context_lookup(ctx, engine);
u32 *regs;
/* OA settings will be set upon first use */
- if (!ce->state)
+ if (!ce || !ce->state)
continue;
regs = i915_gem_object_pin_map(ce->state->obj, map_type);
diff --git a/drivers/gpu/drm/i915/intel_context.c b/drivers/gpu/drm/i915/intel_context.c
new file mode 100644
index 000000000000..81cc29a95e07
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_context.c
@@ -0,0 +1,138 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include "i915_drv.h"
+#include "i915_gem_context.h"
+#include "intel_context.h"
+#include "intel_ringbuffer.h"
+
+struct intel_context *
+intel_context_lookup(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ struct intel_context *ce = NULL;
+ struct rb_node *p;
+
+ spin_lock(&ctx->hw_contexts_lock);
+ p = ctx->hw_contexts.rb_node;
+ while (p) {
+ struct intel_context *this =
+ rb_entry(p, struct intel_context, node);
+
+ if (this->engine == engine) {
+ ce = this;
+ break;
+ }
+
+ if (this->engine < engine)
+ p = p->rb_right;
+ else
+ p = p->rb_left;
+ }
+ spin_unlock(&ctx->hw_contexts_lock);
+
+ return ce;
+}
+
+struct intel_context *
+__intel_context_insert(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine,
+ struct intel_context *ce)
+{
+ struct rb_node **p, *parent;
+ int err = 0;
+
+ spin_lock(&ctx->hw_contexts_lock);
+
+ parent = NULL;
+ p = &ctx->hw_contexts.rb_node;
+ while (*p) {
+ struct intel_context *this;
+
+ parent = *p;
+ this = rb_entry(parent, struct intel_context, node);
+
+ if (this->engine == engine) {
+ err = -EEXIST;
+ ce = this;
+ break;
+ }
+
+ if (this->engine < engine)
+ p = &parent->rb_right;
+ else
+ p = &parent->rb_left;
+ }
+ if (!err) {
+ rb_link_node(&ce->node, parent, p);
+ rb_insert_color(&ce->node, &ctx->hw_contexts);
+ }
+ spin_unlock(&ctx->hw_contexts_lock);
+
+ return ce;
+}
+
+void
+__intel_context_remove(struct intel_context *ce)
+{
+ struct i915_gem_context *ctx = ce->gem_context;
+
+ spin_lock(&ctx->hw_contexts_lock);
+ rb_erase(&ce->node, &ctx->hw_contexts);
+ spin_unlock(&ctx->hw_contexts_lock);
+}
+
+struct intel_context *
+intel_context_instance(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ struct intel_context *ce, *pos;
+
+ ce = intel_context_lookup(ctx, engine);
+ if (likely(ce))
+ return ce;
+
+ ce = kzalloc(sizeof(*ce), GFP_KERNEL);
+ if (!ce)
+ return ERR_PTR(-ENOMEM);
+
+ intel_context_init(ce, ctx, engine);
+
+ pos = __intel_context_insert(ctx, engine, ce);
+ if (unlikely(pos != ce)) /* Beaten! Use their HW context instead */
+ kfree(ce);
+
+ GEM_BUG_ON(intel_context_lookup(ctx, engine) != pos);
+ return pos;
+}
+
+static void intel_context_retire(struct i915_active_request *active,
+ struct i915_request *rq)
+{
+ struct intel_context *ce =
+ container_of(active, typeof(*ce), active_tracker);
+
+ intel_context_unpin(ce);
+}
+
+void
+intel_context_init(struct intel_context *ce,
+ struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine)
+{
+ ce->gem_context = ctx;
+ ce->engine = engine;
+
+ INIT_LIST_HEAD(&ce->signal_link);
+ INIT_LIST_HEAD(&ce->signals);
+
+ /* Use the whole device by default */
+ ce->sseu = intel_device_default_sseu(ctx->i915);
+
+ i915_active_request_init(&ce->active_tracker,
+ NULL, intel_context_retire);
+}
+
diff --git a/drivers/gpu/drm/i915/intel_context.h b/drivers/gpu/drm/i915/intel_context.h
index dd947692bb0b..c3fffd9b8ae4 100644
--- a/drivers/gpu/drm/i915/intel_context.h
+++ b/drivers/gpu/drm/i915/intel_context.h
@@ -7,7 +7,6 @@
#ifndef __INTEL_CONTEXT_H__
#define __INTEL_CONTEXT_H__
-#include "i915_gem_context_types.h"
#include "intel_context_types.h"
#include "intel_engine_types.h"
@@ -15,12 +14,36 @@ void intel_context_init(struct intel_context *ce,
struct i915_gem_context *ctx,
struct intel_engine_cs *engine);
-static inline struct intel_context *
-to_intel_context(struct i915_gem_context *ctx,
- const struct intel_engine_cs *engine)
-{
- return &ctx->__engine[engine->id];
-}
+/**
+ * intel_context_lookup - Find the matching HW context for this (ctx, engine)
+ * @ctx - the parent GEM context
+ * @engine - the target HW engine
+ *
+ * May return NULL if the HW context hasn't been instantiated (i.e. unused).
+ */
+struct intel_context *
+intel_context_lookup(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine);
+
+/**
+ * intel_context_instance - Lookup or allocate the HW context for (ctx, engine)
+ * @ctx - the parent GEM context
+ * @engine - the target HW engine
+ *
+ * Returns the existing HW context for this pair of (GEM context, engine), or
+ * allocates and initialises a fresh context. Once allocated, the HW context
+ * remains resident until the GEM context is destroyed.
+ */
+struct intel_context *
+intel_context_instance(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine);
+
+struct intel_context *
+__intel_context_insert(struct i915_gem_context *ctx,
+ struct intel_engine_cs *engine,
+ struct intel_context *ce);
+void
+__intel_context_remove(struct intel_context *ce);
static inline struct intel_context *
intel_context_pin(struct i915_gem_context *ctx, struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/intel_context_types.h b/drivers/gpu/drm/i915/intel_context_types.h
index 16e1306e9595..857f5c335324 100644
--- a/drivers/gpu/drm/i915/intel_context_types.h
+++ b/drivers/gpu/drm/i915/intel_context_types.h
@@ -8,6 +8,7 @@
#define __INTEL_CONTEXT_TYPES__
#include <linux/list.h>
+#include <linux/rbtree.h>
#include <linux/types.h>
#include "i915_active_types.h"
@@ -52,6 +53,7 @@ struct intel_context {
struct i915_active_request active_tracker;
const struct intel_context_ops *ops;
+ struct rb_node node;
/** sseu: Control eu/slice partitioning */
struct intel_sseu sseu;
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 0372aaa9756c..a5b2d50208ef 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -644,7 +644,7 @@ void intel_engines_set_scheduler_caps(struct drm_i915_private *i915)
static void __intel_context_unpin(struct i915_gem_context *ctx,
struct intel_engine_cs *engine)
{
- intel_context_unpin(to_intel_context(ctx, engine));
+ intel_context_unpin(intel_context_lookup(ctx, engine));
}
struct measure_breadcrumb {
diff --git a/drivers/gpu/drm/i915/intel_guc_ads.c b/drivers/gpu/drm/i915/intel_guc_ads.c
index f0db62887f50..da220561ac41 100644
--- a/drivers/gpu/drm/i915/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/intel_guc_ads.c
@@ -121,8 +121,8 @@ int intel_guc_ads_create(struct intel_guc *guc)
* to find it. Note that we have to skip our header (1 page),
* because our GuC shared data is there.
*/
- kernel_ctx_vma = to_intel_context(dev_priv->kernel_context,
- dev_priv->engine[RCS])->state;
+ kernel_ctx_vma = intel_context_lookup(dev_priv->kernel_context,
+ dev_priv->engine[RCS])->state;
blob->ads.golden_context_lrca =
intel_guc_ggtt_offset(guc, kernel_ctx_vma) + skipped_offset;
diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c
index 4366db7978a8..fea07e51f109 100644
--- a/drivers/gpu/drm/i915/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/intel_guc_submission.c
@@ -382,7 +382,7 @@ static void guc_stage_desc_init(struct intel_guc_client *client)
desc->db_id = client->doorbell_id;
for_each_engine_masked(engine, dev_priv, client->engines, tmp) {
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce = intel_context_lookup(ctx, engine);
u32 guc_engine_id = engine->guc_id;
struct guc_execlist_context *lrc = &desc->lrc[guc_engine_id];
@@ -567,7 +567,7 @@ static void inject_preempt_context(struct work_struct *work)
preempt_work[engine->id]);
struct intel_guc_client *client = guc->preempt_client;
struct guc_stage_desc *stage_desc = __get_stage_desc(client);
- struct intel_context *ce = to_intel_context(client->owner, engine);
+ struct intel_context *ce = intel_context_lookup(client->owner, engine);
u32 data[7];
if (!ce->ring->emit) { /* recreate upon load/resume */
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 37945c698fb4..da004a7efded 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -623,7 +623,7 @@ static void inject_preempt_context(struct intel_engine_cs *engine)
{
struct intel_engine_execlists *execlists = &engine->execlists;
struct intel_context *ce =
- to_intel_context(engine->i915->preempt_context, engine);
+ intel_context_lookup(engine->i915->preempt_context, engine);
unsigned int n;
GEM_BUG_ON(execlists->preempt_complete_status !=
@@ -1386,7 +1386,11 @@ static struct intel_context *
execlists_context_pin(struct intel_engine_cs *engine,
struct i915_gem_context *ctx)
{
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce;
+
+ ce = intel_context_instance(ctx, engine);
+ if (IS_ERR(ce))
+ return ce;
lockdep_assert_held(&ctx->i915->drm.struct_mutex);
GEM_BUG_ON(!ctx->ppgtt);
@@ -2396,7 +2400,7 @@ static int logical_ring_init(struct intel_engine_cs *engine)
execlists->preempt_complete_status = ~0u;
if (i915->preempt_context) {
struct intel_context *ce =
- to_intel_context(i915->preempt_context, engine);
+ intel_context_lookup(i915->preempt_context, engine);
execlists->preempt_complete_status =
upper_32_bits(ce->lrc_desc);
@@ -2868,9 +2872,9 @@ void intel_lr_context_resume(struct drm_i915_private *i915)
list_for_each_entry(ctx, &i915->contexts.list, link) {
for_each_engine(engine, i915, id) {
struct intel_context *ce =
- to_intel_context(ctx, engine);
+ intel_context_lookup(ctx, engine);
- if (!ce->state)
+ if (!ce || !ce->state)
continue;
intel_ring_reset(ce->ring, 0);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index a934122d173b..6b2207cd37d9 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1568,7 +1568,11 @@ static struct intel_context *
intel_ring_context_pin(struct intel_engine_cs *engine,
struct i915_gem_context *ctx)
{
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce;
+
+ ce = intel_context_instance(ctx, engine);
+ if (IS_ERR(ce))
+ return ce;
lockdep_assert_held(&ctx->i915->drm.struct_mutex);
@@ -1767,8 +1771,8 @@ static inline int mi_set_context(struct i915_request *rq, u32 flags)
* placeholder we use to flush other contexts.
*/
*cs++ = MI_SET_CONTEXT;
- *cs++ = i915_ggtt_offset(to_intel_context(i915->kernel_context,
- engine)->state) |
+ *cs++ = i915_ggtt_offset(intel_context_lookup(i915->kernel_context,
+ engine)->state) |
MI_MM_SPACE_GTT |
MI_RESTORE_INHIBIT;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_context.c b/drivers/gpu/drm/i915/selftests/mock_context.c
index 8137ff6f01b2..e99b1e4bf182 100644
--- a/drivers/gpu/drm/i915/selftests/mock_context.c
+++ b/drivers/gpu/drm/i915/selftests/mock_context.c
@@ -30,7 +30,6 @@ mock_context(struct drm_i915_private *i915,
const char *name)
{
struct i915_gem_context *ctx;
- unsigned int n;
int ret;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
@@ -46,9 +45,6 @@ mock_context(struct drm_i915_private *i915,
INIT_LIST_HEAD(&ctx->hw_id_link);
INIT_LIST_HEAD(&ctx->active_engines);
- for (n = 0; n < ARRAY_SIZE(ctx->__engine); n++)
- intel_context_init(&ctx->__engine[n], ctx, i915->engine[n]);
-
ret = i915_gem_context_pin_hw_id(ctx);
if (ret < 0)
goto err_handles;
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c
index b8c6769571c4..8f72d26c58fe 100644
--- a/drivers/gpu/drm/i915/selftests/mock_engine.c
+++ b/drivers/gpu/drm/i915/selftests/mock_engine.c
@@ -146,9 +146,13 @@ static struct intel_context *
mock_context_pin(struct intel_engine_cs *engine,
struct i915_gem_context *ctx)
{
- struct intel_context *ce = to_intel_context(ctx, engine);
+ struct intel_context *ce;
int err = -ENOMEM;
+ ce = intel_context_instance(ctx, engine);
+ if (IS_ERR(ce))
+ return ce;
+
if (ce->pin_count++)
return ce;
--
2.20.1
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