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drm/i915: Make engine state pretty-printer header configurable 

Pass in a format string (and args) to specify the header to be emitted
along with the engine state when pretty-printing. This allows the header
to be emitted inside the drm_printer stream, so sharing the same prefix
and output characteristics (e.g. debug level and filtering).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208012303.25504-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-12-08 01:23:00 +00:00
parent e8a70cab25
commit 0db18b17c8
4 changed files with 21 additions and 8 deletions
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2
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -3213,7 +3213,7 @@ static int i915_engine_info(struct seq_file *m, void *unused)
p = drm_seq_file_printer(m);
for_each_engine(engine, dev_priv, id)
intel_engine_dump(engine, &p);
intel_engine_dump(engine, &p, "%s\n", engine->name);
intel_runtime_pm_put(dev_priv);

15
drivers/gpu/drm/i915/intel_engine_cs.c
View File

@ -1596,7 +1596,7 @@ void intel_engines_park(struct drm_i915_private *i915)
dev_err(i915->drm.dev,
"%s is not idle before parking\n",
engine->name);
intel_engine_dump(engine, &p);
intel_engine_dump(engine, &p, NULL);
}
if (engine->park)
@ -1666,7 +1666,9 @@ static void print_request(struct drm_printer *m,
rq->timeline->common->name);
}
void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
void intel_engine_dump(struct intel_engine_cs *engine,
struct drm_printer *m,
const char *header, ...)
{
struct intel_breadcrumbs * const b = &engine->breadcrumbs;
const struct intel_engine_execlists * const execlists = &engine->execlists;
@ -1677,7 +1679,14 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
char hdr[80];
u64 addr;
drm_printf(m, "%s\n", engine->name);
if (header) {
va_list ap;
va_start(ap, header);
drm_vprintf(m, header, &ap);
va_end(ap);
}
drm_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms], inflight %d\n",
intel_engine_get_seqno(engine),
intel_engine_last_submit(engine),

5
drivers/gpu/drm/i915/intel_ringbuffer.h
View File

@ -1013,7 +1013,10 @@ unsigned int intel_engines_has_context_isolation(struct drm_i915_private *i915);
bool intel_engine_can_store_dword(struct intel_engine_cs *engine);
void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *p);
__printf(3, 4)
void intel_engine_dump(struct intel_engine_cs *engine,
struct drm_printer *m,
const char *header, ...);
struct intel_engine_cs *
intel_engine_lookup_user(struct drm_i915_private *i915, u8 class, u8 instance);

7
drivers/gpu/drm/i915/selftests/intel_hangcheck.c
View File

@ -619,7 +619,7 @@ static int igt_wait_reset(void *arg)
pr_err("Failed to start request %x, at %x\n",
rq->fence.seqno, hws_seqno(&h, rq));
intel_engine_dump(rq->engine, &p);
intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name);
i915_reset(i915, 0);
i915_gem_set_wedged(i915);
@ -714,7 +714,8 @@ static int igt_reset_queue(void *arg)
pr_err("Failed to start request %x, at %x\n",
prev->fence.seqno, hws_seqno(&h, prev));
intel_engine_dump(rq->engine, &p);
intel_engine_dump(prev->engine, &p,
"%s\n", prev->engine->name);
i915_gem_request_put(rq);
i915_gem_request_put(prev);
@ -820,7 +821,7 @@ static int igt_handle_error(void *arg)
pr_err("Failed to start request %x, at %x\n",
rq->fence.seqno, hws_seqno(&h, rq));
intel_engine_dump(rq->engine, &p);
intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name);
i915_reset(i915, 0);
i915_gem_set_wedged(i915);