From edf97f7f579c06bece4fc71674d2c7ed7e56f4ac Mon Sep 17 00:00:00 2001
From: John Harrison <John.C.Harrison@Intel.com>
Date: Tue, 1 Mar 2022 16:33:52 -0800
Subject: drm/i915/guc: Better name for context id limit
Git-commit: d124902242241171b704d051ef2830dd344dff84
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
The LRC descriptor pool is going away. So, stop using it as the limit
for how many context ids are available. Instead, size the pool
according to the number of contexts allowed. Note that this is just a
naming change, the actual limit is identical in value.
While at it, also update a kzalloc(sizeof()*count) to be a
kcalloc(count,size).
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220302003357.4188363-4-John.C.Harrison@Intel.com
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/i915/gt/intel_context.c | 2 +-
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h | 4 ++--
.../gpu/drm/i915/gt/uc/intel_guc_submission.c | 16 ++++++++--------
drivers/gpu/drm/i915/gt/uc/selftest_guc.c | 2 +-
4 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index 5d0ec7c49b6a..d87145b8fca0 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -400,7 +400,7 @@ intel_context_init(struct intel_context *ce, struct intel_engine_cs *engine)
INIT_LIST_HEAD(&ce->guc_state.fences);
INIT_LIST_HEAD(&ce->guc_state.requests);
- ce->guc_id.id = GUC_INVALID_LRC_ID;
+ ce->guc_id.id = GUC_INVALID_CONTEXT_ID;
INIT_LIST_HEAD(&ce->guc_id.link);
INIT_LIST_HEAD(&ce->destroyed_link);
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 4b300b6cc0f9..a4a6136b3616 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
@@ -32,8 +32,8 @@
#define GUC_CLIENT_PRIORITY_NORMAL 3
#define GUC_CLIENT_PRIORITY_NUM 4
-#define GUC_MAX_LRC_DESCRIPTORS 65535
-#define GUC_INVALID_LRC_ID GUC_MAX_LRC_DESCRIPTORS
+#define GUC_MAX_CONTEXT_ID 65535
+#define GUC_INVALID_CONTEXT_ID GUC_MAX_CONTEXT_ID
#define GUC_RENDER_ENGINE 0
#define GUC_VIDEO_ENGINE 1
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 f278259be752..8eabab558446 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -351,12 +351,12 @@ request_to_scheduling_context(struct i915_request *rq)
static inline bool context_guc_id_invalid(struct intel_context *ce)
{
- return ce->guc_id.id == GUC_INVALID_LRC_ID;
+ return ce->guc_id.id == GUC_INVALID_CONTEXT_ID;
}
static inline void set_context_guc_id_invalid(struct intel_context *ce)
{
- ce->guc_id.id = GUC_INVALID_LRC_ID;
+ ce->guc_id.id = GUC_INVALID_CONTEXT_ID;
}
static inline struct intel_guc *ce_to_guc(struct intel_context *ce)
@@ -471,7 +471,7 @@ static struct guc_lrc_desc *__get_lrc_desc(struct intel_guc *guc, u32 index)
{
struct guc_lrc_desc *base = guc->lrc_desc_pool_vaddr;
- GEM_BUG_ON(index >= GUC_MAX_LRC_DESCRIPTORS);
+ GEM_BUG_ON(index >= GUC_MAX_CONTEXT_ID);
return &base[index];
}
@@ -480,7 +480,7 @@ static inline struct intel_context *__get_context(struct intel_guc *guc, u32 id)
{
struct intel_context *ce = xa_load(&guc->context_lookup, id);
- GEM_BUG_ON(id >= GUC_MAX_LRC_DESCRIPTORS);
+ GEM_BUG_ON(id >= GUC_MAX_CONTEXT_ID);
return ce;
}
@@ -491,7 +491,7 @@ static int guc_lrc_desc_pool_create(struct intel_guc *guc)
int ret;
size = PAGE_ALIGN(sizeof(struct guc_lrc_desc) *
- GUC_MAX_LRC_DESCRIPTORS);
+ GUC_MAX_CONTEXT_ID);
ret = intel_guc_allocate_and_map_vma(guc, size, &guc->lrc_desc_pool,
(void **)&guc->lrc_desc_pool_vaddr);
if (ret)
@@ -2428,7 +2428,7 @@ static void __guc_context_sched_disable(struct intel_guc *guc,
GUC_CONTEXT_DISABLE
};
- GEM_BUG_ON(guc_id == GUC_INVALID_LRC_ID);
+ GEM_BUG_ON(guc_id == GUC_INVALID_CONTEXT_ID);
GEM_BUG_ON(intel_context_is_child(ce));
trace_intel_context_sched_disable(ce);
@@ -3844,7 +3844,7 @@ void intel_guc_submission_init_early(struct intel_guc *guc)
spin_lock_init(&guc->timestamp.lock);
INIT_DELAYED_WORK(&guc->timestamp.work, guc_timestamp_ping);
- guc->submission_state.num_guc_ids = GUC_MAX_LRC_DESCRIPTORS;
+ guc->submission_state.num_guc_ids = GUC_MAX_CONTEXT_ID;
guc->submission_supported = __guc_submission_supported(guc);
guc->submission_selected = __guc_submission_selected(guc);
}
@@ -3854,7 +3854,7 @@ g2h_context_lookup(struct intel_guc *guc, u32 desc_idx)
{
struct intel_context *ce;
- if (unlikely(desc_idx >= GUC_MAX_LRC_DESCRIPTORS)) {
+ if (unlikely(desc_idx >= GUC_MAX_CONTEXT_ID)) {
drm_err(&guc_to_gt(guc)->i915->drm,
"Invalid desc_idx %u", desc_idx);
return NULL;
diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
index a115894d5896..1df71d0796ae 100644
--- a/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
@@ -148,7 +148,7 @@ static int intel_guc_steal_guc_ids(void *arg)
struct i915_request *spin_rq = NULL, *rq, *last = NULL;
int number_guc_id_stolen = guc->number_guc_id_stolen;
- ce = kzalloc(sizeof(*ce) * GUC_MAX_LRC_DESCRIPTORS, GFP_KERNEL);
+ ce = kcalloc(GUC_MAX_CONTEXT_ID, sizeof(*ce), GFP_KERNEL);
if (!ce) {
pr_err("Context array allocation failed\n");
return -ENOMEM;
--
2.38.1