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path: root/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/selftest_engine_cs.c')
-rw-r--r--drivers/gpu/drm/i915/gt/selftest_engine_cs.c89
1 files changed, 56 insertions, 33 deletions
diff --git a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
index f88e445a1cae..5ffa5e30f419 100644
--- a/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/selftest_engine_cs.c
@@ -1,11 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0
/*
- * SPDX-License-Identifier: GPL-2.0
- *
* Copyright © 2018 Intel Corporation
*/
#include <linux/sort.h>
+#include "intel_gpu_commands.h"
#include "intel_gt_pm.h"
#include "intel_rps.h"
@@ -21,26 +21,41 @@ static int cmp_u32(const void *A, const void *B)
return *a - *b;
}
-static void perf_begin(struct intel_gt *gt)
+static intel_wakeref_t perf_begin(struct intel_gt *gt)
{
- intel_gt_pm_get(gt);
+ intel_wakeref_t wakeref = intel_gt_pm_get(gt);
/* Boost gpufreq to max [waitboost] and keep it fixed */
atomic_inc(&gt->rps.num_waiters);
- schedule_work(&gt->rps.work);
+ queue_work(gt->i915->unordered_wq, &gt->rps.work);
flush_work(&gt->rps.work);
+
+ return wakeref;
}
-static int perf_end(struct intel_gt *gt)
+static int perf_end(struct intel_gt *gt, intel_wakeref_t wakeref)
{
atomic_dec(&gt->rps.num_waiters);
- intel_gt_pm_put(gt);
+ intel_gt_pm_put(gt, wakeref);
return igt_flush_test(gt->i915);
}
+static i915_reg_t timestamp_reg(struct intel_engine_cs *engine)
+{
+ struct drm_i915_private *i915 = engine->i915;
+
+ if (GRAPHICS_VER(i915) == 5 || IS_G4X(i915))
+ return RING_TIMESTAMP_UDW(engine->mmio_base);
+ else
+ return RING_TIMESTAMP(engine->mmio_base);
+}
+
static int write_timestamp(struct i915_request *rq, int slot)
{
+ struct intel_timeline *tl =
+ rcu_dereference_protected(rq->timeline,
+ !i915_request_signaled(rq));
u32 cmd;
u32 *cs;
@@ -49,11 +64,11 @@ static int write_timestamp(struct i915_request *rq, int slot)
return PTR_ERR(cs);
cmd = MI_STORE_REGISTER_MEM | MI_USE_GGTT;
- if (INTEL_GEN(rq->i915) >= 8)
+ if (GRAPHICS_VER(rq->i915) >= 8)
cmd++;
*cs++ = cmd;
- *cs++ = i915_mmio_reg_offset(RING_TIMESTAMP(rq->engine->mmio_base));
- *cs++ = i915_request_timeline(rq)->hwsp_offset + slot * sizeof(u32);
+ *cs++ = i915_mmio_reg_offset(timestamp_reg(rq->engine));
+ *cs++ = tl->hwsp_offset + slot * sizeof(u32);
*cs++ = 0;
intel_ring_advance(rq, cs);
@@ -72,7 +87,7 @@ static struct i915_vma *create_empty_batch(struct intel_context *ce)
if (IS_ERR(obj))
return ERR_CAST(obj);
- cs = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ cs = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB);
if (IS_ERR(cs)) {
err = PTR_ERR(cs);
goto err_put;
@@ -120,18 +135,22 @@ static int perf_mi_bb_start(void *arg)
struct intel_gt *gt = arg;
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ intel_wakeref_t wakeref;
int err = 0;
- if (INTEL_GEN(gt->i915) < 7) /* for per-engine CS_TIMESTAMP */
+ if (GRAPHICS_VER(gt->i915) < 4) /* Any CS_TIMESTAMP? */
return 0;
- perf_begin(gt);
+ wakeref = perf_begin(gt);
for_each_engine(engine, gt, id) {
struct intel_context *ce = engine->kernel_context;
struct i915_vma *batch;
u32 cycles[COUNT];
int i;
+ if (GRAPHICS_VER(engine->i915) < 7 && engine->id != RCS0)
+ continue;
+
intel_engine_pm_get(engine);
batch = create_empty_batch(ce);
@@ -162,7 +181,7 @@ static int perf_mi_bb_start(void *arg)
goto out;
err = rq->engine->emit_bb_start(rq,
- batch->node.start, 8,
+ i915_vma_offset(batch), 8,
0);
if (err)
goto out;
@@ -191,7 +210,7 @@ out:
pr_info("%s: MI_BB_START cycles: %u\n",
engine->name, trifilter(cycles));
}
- if (perf_end(gt))
+ if (perf_end(gt, wakeref))
err = -EIO;
return err;
@@ -208,7 +227,7 @@ static struct i915_vma *create_nop_batch(struct intel_context *ce)
if (IS_ERR(obj))
return ERR_CAST(obj);
- cs = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ cs = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB);
if (IS_ERR(cs)) {
err = PTR_ERR(cs);
goto err_put;
@@ -244,18 +263,22 @@ static int perf_mi_noop(void *arg)
struct intel_gt *gt = arg;
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ intel_wakeref_t wakeref;
int err = 0;
- if (INTEL_GEN(gt->i915) < 7) /* for per-engine CS_TIMESTAMP */
+ if (GRAPHICS_VER(gt->i915) < 4) /* Any CS_TIMESTAMP? */
return 0;
- perf_begin(gt);
+ wakeref = perf_begin(gt);
for_each_engine(engine, gt, id) {
struct intel_context *ce = engine->kernel_context;
struct i915_vma *base, *nop;
u32 cycles[COUNT];
int i;
+ if (GRAPHICS_VER(engine->i915) < 7 && engine->id != RCS0)
+ continue;
+
intel_engine_pm_get(engine);
base = create_empty_batch(ce);
@@ -302,7 +325,7 @@ static int perf_mi_noop(void *arg)
goto out;
err = rq->engine->emit_bb_start(rq,
- base->node.start, 8,
+ i915_vma_offset(base), 8,
0);
if (err)
goto out;
@@ -312,8 +335,8 @@ static int perf_mi_noop(void *arg)
goto out;
err = rq->engine->emit_bb_start(rq,
- nop->node.start,
- nop->node.size,
+ i915_vma_offset(nop),
+ i915_vma_size(nop),
0);
if (err)
goto out;
@@ -345,7 +368,7 @@ out:
pr_info("%s: 16K MI_NOOP cycles: %u\n",
engine->name, trifilter(cycles));
}
- if (perf_end(gt))
+ if (perf_end(gt, wakeref))
err = -EIO;
return err;
@@ -358,10 +381,10 @@ int intel_engine_cs_perf_selftests(struct drm_i915_private *i915)
SUBTEST(perf_mi_noop),
};
- if (intel_gt_is_wedged(&i915->gt))
+ if (intel_gt_is_wedged(to_gt(i915)))
return 0;
- return intel_gt_live_subtests(tests, &i915->gt);
+ return intel_gt_live_subtests(tests, to_gt(i915));
}
static int intel_mmio_bases_check(void *arg)
@@ -373,34 +396,34 @@ static int intel_mmio_bases_check(void *arg)
u8 prev = U8_MAX;
for (j = 0; j < MAX_MMIO_BASES; j++) {
- u8 gen = info->mmio_bases[j].gen;
+ u8 ver = info->mmio_bases[j].graphics_ver;
u32 base = info->mmio_bases[j].base;
- if (gen >= prev) {
- pr_err("%s(%s, class:%d, instance:%d): mmio base for gen %x is before the one for gen %x\n",
+ if (ver >= prev) {
+ pr_err("%s(%s, class:%d, instance:%d): mmio base for graphics ver %u is before the one for ver %u\n",
__func__,
intel_engine_class_repr(info->class),
info->class, info->instance,
- prev, gen);
+ prev, ver);
return -EINVAL;
}
- if (gen == 0)
+ if (ver == 0)
break;
if (!base) {
- pr_err("%s(%s, class:%d, instance:%d): invalid mmio base (%x) for gen %x at entry %u\n",
+ pr_err("%s(%s, class:%d, instance:%d): invalid mmio base (%x) for graphics ver %u at entry %u\n",
__func__,
intel_engine_class_repr(info->class),
info->class, info->instance,
- base, gen, j);
+ base, ver, j);
return -EINVAL;
}
- prev = gen;
+ prev = ver;
}
- pr_debug("%s: min gen supported for %s%d is %d\n",
+ pr_debug("%s: min graphics version supported for %s%d is %u\n",
__func__,
intel_engine_class_repr(info->class),
info->instance,
generated by cgit (git 2.34.1) at 2025-12-26 02:23:56 +0000