From: Michel Thierry <michel.thie...@intel.com>
Save the watchdog threshold (in us) as part of the engine state.
v2: Only do it for gen8+ (and prevent a missing-case warn).
v3: use ctx->__engine.
v4: Rebase.
v5: Rebase.
v6: Rebase, use intel_context_lookup()
Cc: Antonio Argenziano <antonio.argenzi...@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursu...@linux.intel.com>
Signed-off-by: Michel Thierry <michel.thie...@intel.com>
Signed-off-by: Carlos Santa <carlos.sa...@intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gpu_error.c | 14 ++++++++++----
drivers/gpu/drm/i915/i915_gpu_error.h | 1 +
3 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5324397c3801..5dbb3938e159 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3118,6 +3118,8 @@ i915_gem_context_lookup(struct drm_i915_file_private
*file_priv, u32 id)
return ctx;
}
+u32 watchdog_to_us(struct drm_i915_private *i915, u32 value_in_clock_counts);
+
int i915_perf_open_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c
b/drivers/gpu/drm/i915/i915_gpu_error.c
index 26bac517e383..1f8d29bf00d0 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -454,9 +454,11 @@ static void error_print_context(struct
drm_i915_error_state_buf *m,
const char *header,
const struct drm_i915_error_context *ctx)
{
- err_printf(m, "%s%s[%d] user_handle %d hw_id %d, prio %d, guilty %d
active %d\n",
+ err_printf(m, "%s%s[%d] user_handle %d hw_id %d, prio %d, guilty %d
active %d, watchdog %dus\n",
header, ctx->comm, ctx->pid, ctx->handle, ctx->hw_id,
- ctx->sched_attr.priority, ctx->guilty, ctx->active);
+ ctx->sched_attr.priority, ctx->guilty, ctx->active,
+ INTEL_GEN(m->i915) >= 8 ?
+ watchdog_to_us(m->i915, ctx->watchdog_threshold) : 0);
}
static void error_print_engine(struct drm_i915_error_state_buf *m,
@@ -1316,8 +1318,11 @@ static void error_record_engine_execlists(struct
intel_engine_cs *engine,
}
static void record_context(struct drm_i915_error_context *e,
- struct i915_gem_context *ctx)
+ struct i915_gem_context *ctx,
+ u32 engine_id)
{
+ struct drm_i915_private *dev_priv = ctx->i915;
+
if (ctx->pid) {
struct task_struct *task;
@@ -1335,6 +1340,7 @@ static void record_context(struct drm_i915_error_context
*e,
e->sched_attr = ctx->sched;
e->guilty = atomic_read(&ctx->guilty_count);
e->active = atomic_read(&ctx->active_count);
+ e->watchdog_threshold = intel_context_lookup(ctx,
dev_priv->engine[engine_id])->watchdog_threshold;
}
static void request_record_user_bo(struct i915_request *request,
@@ -1418,7 +1424,7 @@ static void gem_record_rings(struct i915_gpu_state *error)
ee->vm = ctx->ppgtt ? &ctx->ppgtt->vm : &ggtt->vm;
- record_context(&ee->context, ctx);
+ record_context(&ee->context, ctx, engine->id);
/* We need to copy these to an anonymous buffer
* as the simplest method to avoid being overwritten
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h
b/drivers/gpu/drm/i915/i915_gpu_error.h
index 6cf6a8679b26..439a31f5db3b 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -120,6 +120,7 @@ struct i915_gpu_state {
u32 hw_id;
int active;
int guilty;
+ int watchdog_threshold;
struct i915_sched_attr sched_attr;
} context;
--
2.17.1
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