On 11/6/2019 14:25, Daniele Ceraolo Spurio wrote:
We now only use 1 client without any plan to add more. The client is
also only holding information about the WQ and the process desc, so we
can just move those in the intel_guc structure and always use stage_id
0.
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Cc: John Harrison <John.C.Harrison@xxxxxxxxx>
Cc: Matthew Brost <matthew.brost@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_reset.c | 6 +-
drivers/gpu/drm/i915/gt/uc/intel_guc.h | 8 +-
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 1 -
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 272 +++++-------------
.../gpu/drm/i915/gt/uc/intel_guc_submission.h | 45 +--
drivers/gpu/drm/i915/i915_debugfs.c | 11 -
6 files changed, 87 insertions(+), 256 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index f03e000051c1..d2d88d0bc9d7 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -21,6 +21,7 @@
#include "intel_reset.h"
#include "uc/intel_guc.h"
+#include "uc/intel_guc_submission.h"
#define RESET_MAX_RETRIES 3
@@ -1070,6 +1071,7 @@ static inline int intel_gt_reset_engine(struct intel_engine_cs *engine)
int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
{
struct intel_gt *gt = engine->gt;
+ bool uses_guc = intel_engine_in_guc_submission_mode(engine);
int ret;
GEM_TRACE("%s flags=%lx\n", engine->name, gt->reset.flags);
@@ -1085,14 +1087,14 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
"Resetting %s for %s\n", engine->name, msg);
atomic_inc(&engine->i915->gpu_error.reset_engine_count[engine->uabi_class]);
- if (!engine->gt->uc.guc.execbuf_client)
+ if (!uses_guc)
ret = intel_gt_reset_engine(engine);
else
ret = intel_guc_reset_engine(&engine->gt->uc.guc, engine);
if (ret) {
/* If we fail here, we expect to fallback to a global reset */
DRM_DEBUG_DRIVER("%sFailed to reset %s, ret=%d\n",
- engine->gt->uc.guc.execbuf_client ? "GuC " : "",
+ uses_guc ? "GuC " : "",
engine->name, ret);
goto out;
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index b2d1766e689a..cd09c912e361 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -46,9 +46,13 @@ struct intel_guc {
struct i915_vma *stage_desc_pool;
void *stage_desc_pool_vaddr;
- struct ida stage_ids;
- struct intel_guc_client *execbuf_client;
+ struct i915_vma *workqueue;
+ void *workqueue_vaddr;
+ spinlock_t wq_lock;
+
+ struct i915_vma *proc_desc;
+ void *proc_desc_vaddr;
/* Control params for fw initialization */
u32 params[GUC_CTL_MAX_DWORDS];
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
index 1e8e4af7d9ca..a6b733c146c9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -31,7 +31,6 @@
#define GUC_DOORBELL_INVALID 256
-#define GUC_PD_SIZE (PAGE_SIZE)
#define GUC_WQ_SIZE (PAGE_SIZE * 2)
/* Work queue item header definitions */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 0088c3417641..71788589f9fe 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -27,24 +27,13 @@
* code) matches the old submission model and will be updated as part of the
* upgrade to the new flow.
*
- * GuC client:
- * A intel_guc_client refers to a submission path through GuC. Currently, there
- * is only one client, which is charged with all submissions to the GuC. This
- * struct is the owner of a process descriptor and a workqueue (both of them
- * inside a single gem object that contains all required pages for these
- * elements).
- *
* GuC stage descriptor:
* During initialization, the driver allocates a static pool of 1024 such
- * descriptors, and shares them with the GuC.
- * Currently, there exists a 1:1 mapping between a intel_guc_client and a
- * guc_stage_desc (via the client's stage_id), so effectively only one
- * gets used. This stage descriptor lets the GuC know about the workqueue and
+ * descriptors, and shares them with the GuC. Currently, we only use one
+ * descriptor. This stage descriptor lets the GuC know about the workqueue and
* process descriptor. Theoretically, it also lets the GuC know about our HW
* contexts (context ID, etc...), but we actually employ a kind of submission
- * where the GuC uses the LRCA sent via the work item instead (the single
- * guc_stage_desc associated to execbuf client contains information about the
- * default kernel context only, but this is essentially unused). This is called
+ * where the GuC uses the LRCA sent via the work item instead. This is called
* a "proxy" submission.
*
* The Scratch registers:
@@ -71,33 +60,45 @@ static inline struct i915_priolist *to_priolist(struct rb_node *rb)
return rb_entry(rb, struct i915_priolist, node);
}
-static inline bool is_high_priority(struct intel_guc_client *client)
+static struct guc_stage_desc *__get_stage_desc(struct intel_guc *guc, u32 id)
{
- return (client->priority == GUC_CLIENT_PRIORITY_KMD_HIGH ||
- client->priority == GUC_CLIENT_PRIORITY_HIGH);
+ struct guc_stage_desc *base = guc->stage_desc_pool_vaddr;
+
+ return &base[id];
}
-static struct guc_stage_desc *__get_stage_desc(struct intel_guc_client *client)
+static int guc_workqueue_create(struct intel_guc *guc)
{
- struct guc_stage_desc *base = client->guc->stage_desc_pool_vaddr;
-
- return &base[client->stage_id];
+ return intel_guc_allocate_and_map_vma(guc, GUC_WQ_SIZE, &guc->workqueue,
+ &guc->workqueue_vaddr);
}
-static inline struct guc_process_desc *
-__get_process_desc(struct intel_guc_client *client)
+static void guc_workqueue_destroy(struct intel_guc *guc)
{
- return client->vaddr;
+ i915_vma_unpin_and_release(&guc->workqueue, I915_VMA_RELEASE_MAP);
}
/*
* Initialise the process descriptor shared with the GuC firmware.
*/
-static void guc_proc_desc_init(struct intel_guc_client *client)
+static int guc_proc_desc_create(struct intel_guc *guc)
+{
+ const u32 size = PAGE_ALIGN(sizeof(struct guc_process_desc));
+
+ return intel_guc_allocate_and_map_vma(guc, size, &guc->proc_desc,
+ &guc->proc_desc_vaddr);
+}
+
+static void guc_proc_desc_destroy(struct intel_guc *guc)
+{
+ i915_vma_unpin_and_release(&guc->proc_desc, I915_VMA_RELEASE_MAP);
+}
+
+static void guc_proc_desc_init(struct intel_guc *guc)
{
struct guc_process_desc *desc;
- desc = memset(__get_process_desc(client), 0, sizeof(*desc));
+ desc = memset(guc->proc_desc_vaddr, 0, sizeof(*desc));
/*
* XXX: pDoorbell and WQVBaseAddress are pointers in process address
@@ -108,39 +109,27 @@ static void guc_proc_desc_init(struct intel_guc_client *client)
desc->wq_base_addr = 0;
desc->db_base_addr = 0;
- desc->stage_id = client->stage_id;
desc->wq_size_bytes = GUC_WQ_SIZE;
desc->wq_status = WQ_STATUS_ACTIVE;
- desc->priority = client->priority;
+ desc->priority = GUC_CLIENT_PRIORITY_KMD_NORMAL;
}
-static void guc_proc_desc_fini(struct intel_guc_client *client)
+static void guc_proc_desc_fini(struct intel_guc *guc)
{
- struct guc_process_desc *desc;
-
- desc = __get_process_desc(client);
- memset(desc, 0, sizeof(*desc));
+ memset(guc->proc_desc_vaddr, 0, sizeof(struct guc_process_desc));
}
static int guc_stage_desc_pool_create(struct intel_guc *guc)
{
u32 size = PAGE_ALIGN(sizeof(struct guc_stage_desc) *
GUC_MAX_STAGE_DESCRIPTORS);
- int ret;
-
- ret = intel_guc_allocate_and_map_vma(guc, size, &guc->stage_desc_pool,
- &guc->stage_desc_pool_vaddr);
- if (ret)
- return ret;
-
- ida_init(&guc->stage_ids);
- return 0;
+ return intel_guc_allocate_and_map_vma(guc, size, &guc->stage_desc_pool,
+ &guc->stage_desc_pool_vaddr);
}
static void guc_stage_desc_pool_destroy(struct intel_guc *guc)
{
- ida_destroy(&guc->stage_ids);
i915_vma_unpin_and_release(&guc->stage_desc_pool, I915_VMA_RELEASE_MAP);
}
@@ -148,58 +137,49 @@ static void guc_stage_desc_pool_destroy(struct intel_guc *guc)
* Initialise/clear the stage descriptor shared with the GuC firmware.
*
* This descriptor tells the GuC where (in GGTT space) to find the important
- * data structures relating to this client (process descriptor, write queue,
+ * data structures related to work submission (process descriptor, write queue,
* etc).
*/
-static void guc_stage_desc_init(struct intel_guc_client *client)
+static void guc_stage_desc_init(struct intel_guc *guc)
{
- struct intel_guc *guc = client->guc;
struct guc_stage_desc *desc;
- u32 gfx_addr;
- desc = __get_stage_desc(client);
+ /* we only use 1 stage desc, so hardcode it to 0 */
+ desc = __get_stage_desc(guc, 0);
memset(desc, 0, sizeof(*desc));
desc->attribute = GUC_STAGE_DESC_ATTR_ACTIVE |
GUC_STAGE_DESC_ATTR_KERNEL;
- if (is_high_priority(client))
- desc->attribute |= GUC_STAGE_DESC_ATTR_PREEMPT;
- desc->stage_id = client->stage_id;
- desc->priority = client->priority;
- /*
- * The process descriptor and workqueue are all parts of the client
- * object, which the GuC will reference via the GGTT
- */
- gfx_addr = intel_guc_ggtt_offset(guc, client->vma);
- desc->process_desc = gfx_addr;
- desc->wq_addr = gfx_addr + GUC_PD_SIZE;
- desc->wq_size = GUC_WQ_SIZE;
+ desc->stage_id = 0;
+ desc->priority = GUC_CLIENT_PRIORITY_KMD_NORMAL;
- desc->desc_private = ptr_to_u64(client);
+ desc->process_desc = intel_guc_ggtt_offset(guc, guc->proc_desc);
+ desc->wq_addr = intel_guc_ggtt_offset(guc, guc->workqueue);
+ desc->wq_size = GUC_WQ_SIZE;
}
-static void guc_stage_desc_fini(struct intel_guc_client *client)
+static void guc_stage_desc_fini(struct intel_guc *guc)
{
struct guc_stage_desc *desc;
- desc = __get_stage_desc(client);
+ desc = __get_stage_desc(guc, 0);
memset(desc, 0, sizeof(*desc));
}
/* Construct a Work Item and append it to the GuC's Work Queue */
-static void guc_wq_item_append(struct intel_guc_client *client,
+static void guc_wq_item_append(struct intel_guc *guc,
u32 target_engine, u32 context_desc,
u32 ring_tail, u32 fence_id)
{
/* wqi_len is in DWords, and does not include the one-word header */
const size_t wqi_size = sizeof(struct guc_wq_item);
const u32 wqi_len = wqi_size / sizeof(u32) - 1;
- struct guc_process_desc *desc = __get_process_desc(client);
+ struct guc_process_desc *desc = guc->proc_desc_vaddr;
struct guc_wq_item *wqi;
u32 wq_off;
- lockdep_assert_held(&client->wq_lock);
+ lockdep_assert_held(&guc->wq_lock);
/* For now workqueue item is 4 DWs; workqueue buffer is 2 pages. So we
* should not have the case where structure wqi is across page, neither
@@ -220,7 +200,7 @@ static void guc_wq_item_append(struct intel_guc_client *client,
GEM_BUG_ON(wq_off & (wqi_size - 1));
/* WQ starts from the page after process_desc */
This comment is now invalid. With that fixed:
Reviewed-by: John Harrison <John.C.Harrison@xxxxxxxxx>
- wqi = client->vaddr + wq_off + GUC_PD_SIZE;
+ wqi = guc->workqueue_vaddr + wq_off;
/* Now fill in the 4-word work queue item */
wqi->header = WQ_TYPE_INORDER |
@@ -238,12 +218,11 @@ static void guc_wq_item_append(struct intel_guc_client *client,
static void guc_add_request(struct intel_guc *guc, struct i915_request *rq)
{
- struct intel_guc_client *client = guc->execbuf_client;
struct intel_engine_cs *engine = rq->engine;
u32 ctx_desc = lower_32_bits(rq->hw_context->lrc_desc);
u32 ring_tail = intel_ring_set_tail(rq->ring, rq->tail) / sizeof(u64);
- guc_wq_item_append(client, engine->guc_id, ctx_desc,
+ guc_wq_item_append(guc, engine->guc_id, ctx_desc,
ring_tail, rq->fence.seqno);
}
@@ -267,9 +246,8 @@ static void guc_submit(struct intel_engine_cs *engine,
struct i915_request **end)
{
struct intel_guc *guc = &engine->gt->uc.guc;
- struct intel_guc_client *client = guc->execbuf_client;
- spin_lock(&client->wq_lock);
+ spin_lock(&guc->wq_lock);
do {
struct i915_request *rq = *out++;
@@ -278,7 +256,7 @@ static void guc_submit(struct intel_engine_cs *engine,
guc_add_request(guc, rq);
} while (out != end);
- spin_unlock(&client->wq_lock);
+ spin_unlock(&guc->wq_lock);
}
static inline int rq_prio(const struct i915_request *rq)
@@ -529,125 +507,6 @@ static void guc_reset_finish(struct intel_engine_cs *engine)
* path of guc_submit() above.
*/
-/**
- * guc_client_alloc() - Allocate an intel_guc_client
- * @guc: the intel_guc structure
- * @priority: four levels priority _CRITICAL, _HIGH, _NORMAL and _LOW
- * The kernel client to replace ExecList submission is created with
- * NORMAL priority. Priority of a client for scheduler can be HIGH,
- * while a preemption context can use CRITICAL.
- *
- * Return: An intel_guc_client object if success, else NULL.
- */
-static struct intel_guc_client *
-guc_client_alloc(struct intel_guc *guc, u32 priority)
-{
- struct intel_guc_client *client;
- struct i915_vma *vma;
- void *vaddr;
- int ret;
-
- client = kzalloc(sizeof(*client), GFP_KERNEL);
- if (!client)
- return ERR_PTR(-ENOMEM);
-
- client->guc = guc;
- client->priority = priority;
- spin_lock_init(&client->wq_lock);
-
- ret = ida_simple_get(&guc->stage_ids, 0, GUC_MAX_STAGE_DESCRIPTORS,
- GFP_KERNEL);
- if (ret < 0)
- goto err_client;
-
- client->stage_id = ret;
-
- /* The first page is doorbell/proc_desc. Two followed pages are wq. */
- vma = intel_guc_allocate_vma(guc, GUC_PD_SIZE + GUC_WQ_SIZE);
- if (IS_ERR(vma)) {
- ret = PTR_ERR(vma);
- goto err_id;
- }
-
- /* We'll keep just the first (doorbell/proc) page permanently kmap'd. */
- client->vma = vma;
-
- vaddr = i915_gem_object_pin_map(vma->obj, I915_MAP_WB);
- if (IS_ERR(vaddr)) {
- ret = PTR_ERR(vaddr);
- goto err_vma;
- }
- client->vaddr = vaddr;
-
- DRM_DEBUG_DRIVER("new priority %u client %p: stage_id %u\n",
- priority, client, client->stage_id);
-
- return client;
-
-err_vma:
- i915_vma_unpin_and_release(&client->vma, 0);
-err_id:
- ida_simple_remove(&guc->stage_ids, client->stage_id);
-err_client:
- kfree(client);
- return ERR_PTR(ret);
-}
-
-static void guc_client_free(struct intel_guc_client *client)
-{
- i915_vma_unpin_and_release(&client->vma, I915_VMA_RELEASE_MAP);
- ida_simple_remove(&client->guc->stage_ids, client->stage_id);
- kfree(client);
-}
-
-static int guc_clients_create(struct intel_guc *guc)
-{
- struct intel_guc_client *client;
-
- GEM_BUG_ON(guc->execbuf_client);
-
- client = guc_client_alloc(guc, GUC_CLIENT_PRIORITY_KMD_NORMAL);
- if (IS_ERR(client)) {
- DRM_ERROR("Failed to create GuC client for submission!\n");
- return PTR_ERR(client);
- }
- guc->execbuf_client = client;
-
- return 0;
-}
-
-static void guc_clients_destroy(struct intel_guc *guc)
-{
- struct intel_guc_client *client;
-
- client = fetch_and_zero(&guc->execbuf_client);
- if (client)
- guc_client_free(client);
-}
-
-static void __guc_client_enable(struct intel_guc_client *client)
-{
- guc_proc_desc_init(client);
- guc_stage_desc_init(client);
-}
-
-static void __guc_client_disable(struct intel_guc_client *client)
-{
- guc_stage_desc_fini(client);
- guc_proc_desc_fini(client);
-}
-
-static void guc_clients_enable(struct intel_guc *guc)
-{
- __guc_client_enable(guc->execbuf_client);
-}
-
-static void guc_clients_disable(struct intel_guc *guc)
-{
- if (guc->execbuf_client)
- __guc_client_disable(guc->execbuf_client);
-}
-
/*
* Set up the memory resources to be shared with the GuC (via the GGTT)
* at firmware loading time.
@@ -668,12 +527,20 @@ int intel_guc_submission_init(struct intel_guc *guc)
*/
GEM_BUG_ON(!guc->stage_desc_pool);
- ret = guc_clients_create(guc);
+ ret = guc_workqueue_create(guc);
if (ret)
goto err_pool;
+ ret = guc_proc_desc_create(guc);
+ if (ret)
+ goto err_workqueue;
+
+ spin_lock_init(&guc->wq_lock);
+
return 0;
+err_workqueue:
+ guc_workqueue_destroy(guc);
err_pool:
guc_stage_desc_pool_destroy(guc);
return ret;
@@ -681,10 +548,11 @@ int intel_guc_submission_init(struct intel_guc *guc)
void intel_guc_submission_fini(struct intel_guc *guc)
{
- guc_clients_destroy(guc);
-
- if (guc->stage_desc_pool)
+ if (guc->stage_desc_pool) {
+ guc_proc_desc_destroy(guc);
+ guc_workqueue_destroy(guc);
guc_stage_desc_pool_destroy(guc);
+ }
}
static void guc_interrupts_capture(struct intel_gt *gt)
@@ -816,9 +684,8 @@ void intel_guc_submission_enable(struct intel_guc *guc)
sizeof(struct guc_wq_item) *
I915_NUM_ENGINES > GUC_WQ_SIZE);
- GEM_BUG_ON(!guc->execbuf_client);
-
- guc_clients_enable(guc);
+ guc_proc_desc_init(guc);
+ guc_stage_desc_init(guc);
/* Take over from manual control of ELSP (execlists) */
guc_interrupts_capture(gt);
@@ -836,7 +703,9 @@ void intel_guc_submission_disable(struct intel_guc *guc)
GEM_BUG_ON(gt->awake); /* GT should be parked first */
guc_interrupts_release(gt);
- guc_clients_disable(guc);
+
+ guc_stage_desc_fini(guc);
+ guc_proc_desc_fini(guc);
}
static bool __guc_submission_support(struct intel_guc *guc)
@@ -854,3 +723,8 @@ void intel_guc_submission_init_early(struct intel_guc *guc)
{
guc->submission_supported = __guc_submission_support(guc);
}
+
+bool intel_engine_in_guc_submission_mode(const struct intel_engine_cs *engine)
+{
+ return engine->set_default_submission == guc_set_default_submission;
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
index e2deb4e6f42a..e402a2932592 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.h
@@ -6,48 +6,10 @@
#ifndef _INTEL_GUC_SUBMISSION_H_
#define _INTEL_GUC_SUBMISSION_H_
-#include <linux/spinlock.h>
+#include <linux/types.h>
-#include "gt/intel_engine_types.h"
-
-#include "i915_gem.h"
-#include "i915_selftest.h"
-
-struct drm_i915_private;
-
-/*
- * This structure primarily describes the GEM object shared with the GuC.
- * The specs sometimes refer to this object as a "GuC context", but we use
- * the term "client" to avoid confusion with hardware contexts. This
- * GEM object is held for the entire lifetime of our interaction with
- * the GuC, being allocated before the GuC is loaded with its firmware.
- * Because there's no way to update the address used by the GuC after
- * initialisation, the shared object must stay pinned into the GGTT as
- * long as the GuC is in use. We also keep the first page (only) mapped
- * into kernel address space, as it includes shared data that must be
- * updated on every request submission.
- *
- * The single GEM object described here is actually made up of several
- * separate areas, as far as the GuC is concerned. The first page (kept
- * kmap'd) includes the "process descriptor" which holds sequence data for
- * the doorbell, and one cacheline which actually *is* the doorbell; a
- * write to this will "ring the doorbell" (i.e. send an interrupt to the
- * GuC). The subsequent pages of the client object constitute the work
- * queue (a circular array of work items), again described in the process
- * descriptor. Work queue pages are mapped momentarily as required.
- */
-struct intel_guc_client {
- struct i915_vma *vma;
- void *vaddr;
- struct intel_guc *guc;
-
- /* bitmap of (host) engine ids */
- u32 priority;
- u32 stage_id;
-
- /* Protects GuC client's WQ access */
- spinlock_t wq_lock;
-};
+struct intel_guc;
+struct intel_engine_cs;
void intel_guc_submission_init_early(struct intel_guc *guc);
int intel_guc_submission_init(struct intel_guc *guc);
@@ -56,5 +18,6 @@ void intel_guc_submission_disable(struct intel_guc *guc);
void intel_guc_submission_fini(struct intel_guc *guc);
int intel_guc_preempt_work_create(struct intel_guc *guc);
void intel_guc_preempt_work_destroy(struct intel_guc *guc);
+bool intel_engine_in_guc_submission_mode(const struct intel_engine_cs *engine);
#endif
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5d5974e7f3ed..f32e7b016197 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1802,23 +1802,12 @@ static void i915_guc_log_info(struct seq_file *m,
static int i915_guc_info(struct seq_file *m, void *data)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
- const struct intel_guc *guc = &dev_priv->gt.uc.guc;
- struct intel_guc_client *client = guc->execbuf_client;
if (!USES_GUC(dev_priv))
return -ENODEV;
i915_guc_log_info(m, dev_priv);
- if (!USES_GUC_SUBMISSION(dev_priv))
- return 0;
-
- GEM_BUG_ON(!guc->execbuf_client);
-
- seq_printf(m, "\nGuC execbuf client @ %p:\n", client);
- seq_printf(m, "\tPriority %d, GuC stage index: %u\n",
- client->priority,
- client->stage_id);
/* Add more as required ... */
return 0;
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