[PATCH 1/6] drm/printer: Add drm_vprintf()

[PATCH 1/6] drm/printer: Add drm_vprintf()

[Chris Wilson]

Simple va_args equivalent to the existing drm_printf() for use with the
drm_printer.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_print.c |  5 +----
 include/drm/drm_print.h     | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 82ff327eb2df..781518fd88e3 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
  */
 void drm_printf(struct drm_printer *p, const char *f, ...)
 {
-	struct va_format vaf;
 	va_list args;
 
 	va_start(args, f);
-	vaf.fmt = f;
-	vaf.va = &args;
-	p->printfn(p, &vaf);
+	drm_vprintf(p, f, &args);
 	va_end(args);
 }
 EXPORT_SYMBOL(drm_printf);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 0968e411f562..e04d99cdc8d2 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 
+/*
+ * drm_vprintf - print to a &drm_printer stream
+ * @p: the &drm_printer
+ * @f: format string
+ * @args: the va_list
+ */
+__printf(2, 0)
+static inline void
+drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
+{
+	struct va_format vaf = { .fmt = fmt, .va = va };
+
+	p->printfn(p, &vaf);
+}
+
 /**
  * drm_printf_indent - Print to a &drm_printer stream with indentation
  * @printer: DRM printer
-- 
2.15.0

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[PATCH 2/6] drm/i915: Use snprintf to avoid line-break when pretty-printing engines

[Chris Wilson]

When printing the execlist ports, we first print the ELSP header then
follow it with the pretty-printed request. Since switching to
drm_printer and show the output via printk, it automatically appends a
newline to each call (unlike the old seq_printf output). To avoid the
unwanted line break, construct the ELSP request header in a temporary
buffer.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 22c095035539..b51400c25c2e 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1660,6 +1660,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
 	struct drm_i915_private *dev_priv = engine->i915;
 	struct drm_i915_gem_request *rq;
 	struct rb_node *rb;
+	char hdr[80];
 	u64 addr;
 
 	drm_printf(m, "%s\n", engine->name);
@@ -1772,12 +1773,12 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
 
 			rq = port_unpack(&execlists->port[idx], &count);
 			if (rq) {
-				drm_printf(m, "\t\tELSP[%d] count=%d, ",
-					   idx, count);
-				print_request(m, rq, "rq: ");
+				snprintf(hdr, sizeof(hdr),
+					 "\t\tELSP[%d] count=%d, rq: ",
+					 idx, count);
+				print_request(m, rq, hdr);
 			} else {
-				drm_printf(m, "\t\tELSP[%d] idle\n",
-					   idx);
+				drm_printf(m, "\t\tELSP[%d] idle\n", idx);
 			}
 		}
 		drm_printf(m, "\t\tHW active? 0x%x\n", execlists->active);
-- 
2.15.0

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Re: [PATCH 2/6] drm/i915: Use snprintf to avoid line-break when pretty-printing engines

[Mika Kuoppala]

Chris Wilson <chris@chris-wilson.co.uk> writes:

> When printing the execlist ports, we first print the ELSP header then
> follow it with the pretty-printed request. Since switching to
> drm_printer and show the output via printk, it automatically appends a
> newline to each call (unlike the old seq_printf output). To avoid the
> unwanted line break, construct the ELSP request header in a temporary
> buffer.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index 22c095035539..b51400c25c2e 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1660,6 +1660,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
>  	struct drm_i915_private *dev_priv = engine->i915;
>  	struct drm_i915_gem_request *rq;
>  	struct rb_node *rb;
> +	char hdr[80];
>  	u64 addr;
>  
>  	drm_printf(m, "%s\n", engine->name);
> @@ -1772,12 +1773,12 @@ void intel_engine_dump(struct intel_engine_cs *engine, struct drm_printer *m)
>  
>  			rq = port_unpack(&execlists->port[idx], &count);
>  			if (rq) {
> -				drm_printf(m, "\t\tELSP[%d] count=%d, ",
> -					   idx, count);
> -				print_request(m, rq, "rq: ");
> +				snprintf(hdr, sizeof(hdr),
> +					 "\t\tELSP[%d] count=%d, rq: ",
> +					 idx, count);
> +				print_request(m, rq, hdr);
>  			} else {
> -				drm_printf(m, "\t\tELSP[%d] idle\n",
> -					   idx);
> +				drm_printf(m, "\t\tELSP[%d] idle\n", idx);
>  			}
>  		}
>  		drm_printf(m, "\t\tHW active? 0x%x\n", execlists->active);
> -- 
> 2.15.0
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[PATCH 3/6] drm/i915: Make engine state pretty-printer header configurable

[Chris Wilson]

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>
---
 drivers/gpu/drm/i915/i915_debugfs.c              |  2 +-
 drivers/gpu/drm/i915/intel_engine_cs.c           | 15 ++++++++++++---
 drivers/gpu/drm/i915/intel_ringbuffer.h          |  5 ++++-
 drivers/gpu/drm/i915/selftests/intel_hangcheck.c |  7 ++++---
 4 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 41d49a4d25d3..823fc6a74b98 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3218,7 +3218,7 @@ 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);
 
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index b51400c25c2e..e9d5cd28291f 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1582,7 +1582,7 @@ 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)
@@ -1652,7 +1652,9 @@ 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;
@@ -1663,7 +1665,14 @@ 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),
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index cbc9c36f675e..41ac69dbe554 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -926,6 +926,9 @@ 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, ...);
 
 #endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
index 1bbb8c46e2d9..f98546b8a7fa 100644
--- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
+++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
@@ -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);
-- 
2.15.0

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[PATCH 4/6] drm/i915: Include engine state on detecting a missed breadcrumb/seqno

[Chris Wilson]

Now that we have a common engine state pretty printer, we can use that
instead of the adhoc information printed when we miss a breadcrumb.

v2: Rearrange intel_engine_disarm_breadcrumbs() to avoid calling
intel_engine_dump() under the rb spinlock (Mika) and to pretty-print the
error state early so that we include the full list of waiters.
v3: Pass missed breadcrumb msg to pretty-printer as the header
v4: Preserve DRM_DEBUG_DRIVER filtering.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 drivers/gpu/drm/i915/intel_breadcrumbs.c | 25 ++++++++++++++-----------
 drivers/gpu/drm/i915/intel_engine_cs.c   |  6 ++++++
 2 files changed, 20 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index 5ae2d276f7f3..24c6fefdd0b1 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -64,12 +64,13 @@ static unsigned long wait_timeout(void)
 
 static noinline void missed_breadcrumb(struct intel_engine_cs *engine)
 {
-	DRM_DEBUG_DRIVER("%s missed breadcrumb at %pS, irq posted? %s, current seqno=%x, last=%x\n",
-			 engine->name, __builtin_return_address(0),
-			 yesno(test_bit(ENGINE_IRQ_BREADCRUMB,
-					&engine->irq_posted)),
-			 intel_engine_get_seqno(engine),
-			 intel_engine_last_submit(engine));
+	if (drm_debug & DRM_UT_DRIVER) {
+		struct drm_printer p = drm_debug_printer(__func__);
+
+		intel_engine_dump(engine, &p,
+				  "%s missed breadcrumb at %pS\n",
+				  engine->name, __builtin_return_address(0));
+	}
 
 	set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings);
 }
@@ -213,28 +214,30 @@ void intel_engine_unpin_breadcrumbs_irq(struct intel_engine_cs *engine)
 void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine)
 {
 	struct intel_breadcrumbs *b = &engine->breadcrumbs;
-	struct intel_wait *wait, *n, *first;
+	struct intel_wait *wait, *n;
 
 	if (!b->irq_armed)
 		return;
 
-	/* We only disarm the irq when we are idle (all requests completed),
+	/*
+	 * We only disarm the irq when we are idle (all requests completed),
 	 * so if the bottom-half remains asleep, it missed the request
 	 * completion.
 	 */
+	if (intel_engine_wakeup(engine) & ENGINE_WAKEUP_ASLEEP)
+		missed_breadcrumb(engine);
 
 	spin_lock_irq(&b->rb_lock);
 
 	spin_lock(&b->irq_lock);
-	first = fetch_and_zero(&b->irq_wait);
+	b->irq_wait = NULL;
 	if (b->irq_armed)
 		__intel_engine_disarm_breadcrumbs(engine);
 	spin_unlock(&b->irq_lock);
 
 	rbtree_postorder_for_each_entry_safe(wait, n, &b->waiters, node) {
 		RB_CLEAR_NODE(&wait->node);
-		if (wake_up_process(wait->tsk) && wait == first)
-			missed_breadcrumb(engine);
+		wake_up_process(wait->tsk);
 	}
 	b->waiters = RB_ROOT;
 
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index e9d5cd28291f..aa490120749a 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1822,6 +1822,12 @@ void intel_engine_dump(struct intel_engine_cs *engine,
 	}
 	spin_unlock_irq(&b->rb_lock);
 
+	drm_printf(m, "IRQ? 0x%lx (breadcrumbs? %s) (execlists? %s)\n",
+		   engine->irq_posted,
+		   yesno(test_bit(ENGINE_IRQ_BREADCRUMB,
+				  &engine->irq_posted)),
+		   yesno(test_bit(ENGINE_IRQ_EXECLIST,
+				  &engine->irq_posted)));
 	drm_printf(m, "Idle? %s\n", yesno(intel_engine_is_idle(engine)));
 	drm_printf(m, "\n");
 }
-- 
2.15.0

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Re: [PATCH 4/6] drm/i915: Include engine state on detecting a missed breadcrumb/seqno

[Mika Kuoppala]

Chris Wilson <chris@chris-wilson.co.uk> writes:

> Now that we have a common engine state pretty printer, we can use that
> instead of the adhoc information printed when we miss a breadcrumb.
>
> v2: Rearrange intel_engine_disarm_breadcrumbs() to avoid calling
> intel_engine_dump() under the rb spinlock (Mika) and to pretty-print the
> error state early so that we include the full list of waiters.
> v3: Pass missed breadcrumb msg to pretty-printer as the header
> v4: Preserve DRM_DEBUG_DRIVER filtering.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@intel.com>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_breadcrumbs.c | 25 ++++++++++++++-----------
>  drivers/gpu/drm/i915/intel_engine_cs.c   |  6 ++++++
>  2 files changed, 20 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> index 5ae2d276f7f3..24c6fefdd0b1 100644
> --- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
> +++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
> @@ -64,12 +64,13 @@ static unsigned long wait_timeout(void)
>  
>  static noinline void missed_breadcrumb(struct intel_engine_cs *engine)
>  {
> -	DRM_DEBUG_DRIVER("%s missed breadcrumb at %pS, irq posted? %s, current seqno=%x, last=%x\n",
> -			 engine->name, __builtin_return_address(0),
> -			 yesno(test_bit(ENGINE_IRQ_BREADCRUMB,
> -					&engine->irq_posted)),
> -			 intel_engine_get_seqno(engine),
> -			 intel_engine_last_submit(engine));
> +	if (drm_debug & DRM_UT_DRIVER) {
> +		struct drm_printer p = drm_debug_printer(__func__);
> +
> +		intel_engine_dump(engine, &p,
> +				  "%s missed breadcrumb at %pS\n",
> +				  engine->name, __builtin_return_address(0));
> +	}
>  
>  	set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings);
>  }
> @@ -213,28 +214,30 @@ void intel_engine_unpin_breadcrumbs_irq(struct intel_engine_cs *engine)
>  void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine)
>  {
>  	struct intel_breadcrumbs *b = &engine->breadcrumbs;
> -	struct intel_wait *wait, *n, *first;
> +	struct intel_wait *wait, *n;
>  
>  	if (!b->irq_armed)
>  		return;
>  
> -	/* We only disarm the irq when we are idle (all requests completed),
> +	/*
> +	 * We only disarm the irq when we are idle (all requests completed),
>  	 * so if the bottom-half remains asleep, it missed the request
>  	 * completion.
>  	 */
> +	if (intel_engine_wakeup(engine) & ENGINE_WAKEUP_ASLEEP)
> +		missed_breadcrumb(engine);
>  
>  	spin_lock_irq(&b->rb_lock);
>  
>  	spin_lock(&b->irq_lock);
> -	first = fetch_and_zero(&b->irq_wait);
> +	b->irq_wait = NULL;
>  	if (b->irq_armed)
>  		__intel_engine_disarm_breadcrumbs(engine);
>  	spin_unlock(&b->irq_lock);
>  
>  	rbtree_postorder_for_each_entry_safe(wait, n, &b->waiters, node) {
>  		RB_CLEAR_NODE(&wait->node);
> -		if (wake_up_process(wait->tsk) && wait == first)
> -			missed_breadcrumb(engine);
> +		wake_up_process(wait->tsk);
>  	}
>  	b->waiters = RB_ROOT;
>  
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index e9d5cd28291f..aa490120749a 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1822,6 +1822,12 @@ void intel_engine_dump(struct intel_engine_cs *engine,
>  	}
>  	spin_unlock_irq(&b->rb_lock);
>  
> +	drm_printf(m, "IRQ? 0x%lx (breadcrumbs? %s) (execlists? %s)\n",
> +		   engine->irq_posted,
> +		   yesno(test_bit(ENGINE_IRQ_BREADCRUMB,
> +				  &engine->irq_posted)),
> +		   yesno(test_bit(ENGINE_IRQ_EXECLIST,
> +				  &engine->irq_posted)));
>  	drm_printf(m, "Idle? %s\n", yesno(intel_engine_is_idle(engine)));
>  	drm_printf(m, "\n");
>  }
> -- 
> 2.15.0
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[PATCH 5/6] drm/i915: Include the global reset count for intel_engine_dump()

[Chris Wilson]

Since a global reset affects the engine, include that along side the
per-engine reset counter when pretty printing the engine state in
intel_engine_dump().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index aa490120749a..2ab18eb10d52 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1679,8 +1679,9 @@ void intel_engine_dump(struct intel_engine_cs *engine,
 		   engine->hangcheck.seqno,
 		   jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp),
 		   engine->timeline->inflight_seqnos);
-	drm_printf(m, "\tReset count: %d\n",
-		   i915_reset_engine_count(error, engine));
+	drm_printf(m, "\tReset count: %d (global %d)\n",
+		   i915_reset_engine_count(error, engine),
+		   i915_reset_count(error));
 
 	rcu_read_lock();
 
-- 
2.15.0

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Re: [PATCH 5/6] drm/i915: Include the global reset count for intel_engine_dump()

[Mika Kuoppala]

Chris Wilson <chris@chris-wilson.co.uk> writes:

> Since a global reset affects the engine, include that along side the
> per-engine reset counter when pretty printing the engine state in
> intel_engine_dump().
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>

Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>

> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index aa490120749a..2ab18eb10d52 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -1679,8 +1679,9 @@ void intel_engine_dump(struct intel_engine_cs *engine,
>  		   engine->hangcheck.seqno,
>  		   jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp),
>  		   engine->timeline->inflight_seqnos);
> -	drm_printf(m, "\tReset count: %d\n",
> -		   i915_reset_engine_count(error, engine));
> +	drm_printf(m, "\tReset count: %d (global %d)\n",
> +		   i915_reset_engine_count(error, engine),
> +		   i915_reset_count(error));
>  
>  	rcu_read_lock();
>  
> -- 
> 2.15.0
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[PATCH 6/6] drm/i915: Add is-wedged flag to intel_engine_dump()

[Chris Wilson]

Comparing the state tested by intel_engine_is_idle() and printed by
intel_engine_dump(), the only bit not shown is whether or not the device
is wedged. Add that little bit of information to the pretty printer so
that if the engine fails to idle we can see why.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 2ab18eb10d52..66e18941d6e6 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -1673,6 +1673,9 @@ void intel_engine_dump(struct intel_engine_cs *engine,
 		va_end(ap);
 	}
 
+	if (i915_terminally_wedged(&engine->i915->gpu_error))
+		drm_printf(m, "*** WEDGED ***\n");
+
 	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),
-- 
2.15.0

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✓ Fi.CI.BAT: success for series starting with [1/6] drm/printer: Add drm_vprintf()

[Patchwork]

== Series Details ==

Series: series starting with [1/6] drm/printer: Add drm_vprintf()
URL   : https://patchwork.freedesktop.org/series/34147/
State : success

== Summary ==

Series 34147v1 series starting with [1/6] drm/printer: Add drm_vprintf()
https://patchwork.freedesktop.org/api/1.0/series/34147/revisions/1/mbox/

Test chamelium:
        Subgroup dp-crc-fast:
                pass       -> FAIL       (fi-kbl-7500u) fdo#103163
Test gem_exec_reloc:
        Subgroup basic-cpu-active:
                pass       -> FAIL       (fi-gdg-551) fdo#102582 +1
Test kms_cursor_legacy:
        Subgroup basic-flip-before-cursor-varying-size:
                skip       -> PASS       (fi-hsw-4770r)
Test kms_pipe_crc_basic:
        Subgroup suspend-read-crc-pipe-b:
                incomplete -> PASS       (fi-snb-2520m) fdo#103713

fdo#103163 https://bugs.freedesktop.org/show_bug.cgi?id=103163
fdo#102582 https://bugs.freedesktop.org/show_bug.cgi?id=102582
fdo#103713 https://bugs.freedesktop.org/show_bug.cgi?id=103713

fi-bdw-5557u     total:289  pass:268  dwarn:0   dfail:0   fail:0   skip:21  time:446s
fi-bdw-gvtdvm    total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:453s
fi-blb-e6850     total:289  pass:223  dwarn:1   dfail:0   fail:0   skip:65  time:382s
fi-bsw-n3050     total:289  pass:243  dwarn:0   dfail:0   fail:0   skip:46  time:540s
fi-bwr-2160      total:289  pass:183  dwarn:0   dfail:0   fail:0   skip:106 time:277s
fi-bxt-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:506s
fi-bxt-j4205     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:507s
fi-byt-j1900     total:289  pass:254  dwarn:0   dfail:0   fail:0   skip:35  time:506s
fi-byt-n2820     total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:496s
fi-cfl-s2        total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:612s
fi-elk-e7500     total:289  pass:229  dwarn:0   dfail:0   fail:0   skip:60  time:431s
fi-gdg-551       total:289  pass:177  dwarn:1   dfail:0   fail:2   skip:109 time:271s
fi-glk-1         total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:541s
fi-hsw-4770      total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:429s
fi-hsw-4770r     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:440s
fi-ilk-650       total:289  pass:228  dwarn:0   dfail:0   fail:0   skip:61  time:429s
fi-ivb-3520m     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:483s
fi-ivb-3770      total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:461s
fi-kbl-7500u     total:289  pass:263  dwarn:1   dfail:0   fail:1   skip:24  time:476s
fi-kbl-7560u     total:289  pass:270  dwarn:0   dfail:0   fail:0   skip:19  time:527s
fi-kbl-7567u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:477s
fi-kbl-r         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:541s
fi-pnv-d510      total:289  pass:222  dwarn:1   dfail:0   fail:0   skip:66  time:581s
fi-skl-6260u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:456s
fi-skl-6600u     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:545s
fi-skl-6700hq    total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:566s
fi-skl-6700k     total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:525s
fi-skl-6770hq    total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:497s
fi-skl-gvtdvm    total:289  pass:266  dwarn:0   dfail:0   fail:0   skip:23  time:460s
fi-snb-2520m     total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:557s
fi-snb-2600      total:289  pass:249  dwarn:0   dfail:0   fail:0   skip:40  time:417s
Blacklisted hosts:
fi-glk-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:490s

ee3fc3c956f817479cfe2bac3cc2a72112dbdec1 drm-tip: 2017y-11m-21d-09h-02m-11s UTC integration manifest
bc016f5624d8 drm/i915: Add is-wedged flag to intel_engine_dump()
4015f96dd579 drm/i915: Include the global reset count for intel_engine_dump()
07e994584db4 drm/i915: Include engine state on detecting a missed breadcrumb/seqno
ea8e962d53c9 drm/i915: Make engine state pretty-printer header configurable
82a8ee89608b drm/i915: Use snprintf to avoid line-break when pretty-printing engines
a07dbdbd99b8 drm/printer: Add drm_vprintf()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7212/
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✓ Fi.CI.IGT: success for series starting with [1/6] drm/printer: Add drm_vprintf()

[Patchwork]

== Series Details ==

Series: series starting with [1/6] drm/printer: Add drm_vprintf()
URL   : https://patchwork.freedesktop.org/series/34147/
State : success

== Summary ==

Warning: bzip CI_DRM_3367/shard-glkb3/results12.json.bz2 wasn't in correct JSON format
Test kms_setmode:
        Subgroup basic:
                pass       -> FAIL       (shard-hsw) fdo#99912
Test kms_frontbuffer_tracking:
        Subgroup fbc-1p-offscren-pri-shrfb-draw-render:
                pass       -> FAIL       (shard-snb) fdo#101623
Test kms_flip:
        Subgroup flip-vs-expired-vblank:
                fail       -> PASS       (shard-hsw) fdo#102887

fdo#99912 https://bugs.freedesktop.org/show_bug.cgi?id=99912
fdo#101623 https://bugs.freedesktop.org/show_bug.cgi?id=101623
fdo#102887 https://bugs.freedesktop.org/show_bug.cgi?id=102887

shard-hsw        total:2585 pass:1473 dwarn:2   dfail:1   fail:10  skip:1099 time:9497s
shard-snb        total:2585 pass:1256 dwarn:2   dfail:1   fail:13  skip:1313 time:7971s
Blacklisted hosts:
shard-apl        total:2563 pass:1601 dwarn:2   dfail:0   fail:22  skip:936 time:13052s
shard-kbl        total:2537 pass:1676 dwarn:10  dfail:1   fail:22  skip:826 time:10340s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7212/shards.html
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[PATCH v2] drm/printer: Add drm_vprintf()

[Chris Wilson]

Simple va_args equivalent to the existing drm_printf() for use with the
drm_printer.

v2: Fixup kerneldoc to match final parameter names.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
---
 drivers/gpu/drm/drm_print.c |  5 +----
 include/drm/drm_print.h     | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 82ff327eb2df..781518fd88e3 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
  */
 void drm_printf(struct drm_printer *p, const char *f, ...)
 {
-	struct va_format vaf;
 	va_list args;
 
 	va_start(args, f);
-	vaf.fmt = f;
-	vaf.va = &args;
-	p->printfn(p, &vaf);
+	drm_vprintf(p, f, &args);
 	va_end(args);
 }
 EXPORT_SYMBOL(drm_printf);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 0968e411f562..d8383d693ad9 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 
+/*
+ * drm_vprintf - print to a &drm_printer stream
+ * @p: the &drm_printer
+ * @fmt: format string
+ * @va: the va_list
+ */
+__printf(2, 0)
+static inline void
+drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
+{
+	struct va_format vaf = { .fmt = fmt, .va = va };
+
+	p->printfn(p, &vaf);
+}
+
 /**
  * drm_printf_indent - Print to a &drm_printer stream with indentation
  * @printer: DRM printer
-- 
2.15.0

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Re: [PATCH v2] drm/printer: Add drm_vprintf()

[Michal Wajdeczko]

On Tue, 21 Nov 2017 12:21:00 +0100, Chris Wilson  
<chris@chris-wilson.co.uk> wrote:

> Simple va_args equivalent to the existing drm_printf() for use with the
> drm_printer.
>
> v2: Fixup kerneldoc to match final parameter names.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Rob Clark <robdclark@gmail.com>
> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Dave Airlie <airlied@redhat.com>
> ---
>  drivers/gpu/drm/drm_print.c |  5 +----
>  include/drm/drm_print.h     | 15 +++++++++++++++
>  2 files changed, 16 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
> index 82ff327eb2df..781518fd88e3 100644
> --- a/drivers/gpu/drm/drm_print.c
> +++ b/drivers/gpu/drm/drm_print.c
> @@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
>   */
>  void drm_printf(struct drm_printer *p, const char *f, ...)
>  {
> -	struct va_format vaf;
>  	va_list args;
> 	va_start(args, f);
> -	vaf.fmt = f;
> -	vaf.va = &args;
> -	p->printfn(p, &vaf);
> +	drm_vprintf(p, f, &args);
>  	va_end(args);
>  }
>  EXPORT_SYMBOL(drm_printf);
> diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> index 0968e411f562..d8383d693ad9 100644
> --- a/include/drm/drm_print.h
> +++ b/include/drm/drm_print.h
> @@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p,  
> struct va_format *vaf);
>  __printf(2, 3)
>  void drm_printf(struct drm_printer *p, const char *f, ...);
> +/*

Proper kernel-doc comments shall start with /**

Michal

> + * drm_vprintf - print to a &drm_printer stream
> + * @p: the &drm_printer
> + * @fmt: format string
> + * @va: the va_list
> + */
> +__printf(2, 0)
> +static inline void
> +drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
> +{
> +	struct va_format vaf = { .fmt = fmt, .va = va };
> +
> +	p->printfn(p, &vaf);
> +}
> +
>  /**
>   * drm_printf_indent - Print to a &drm_printer stream with indentation
>   * @printer: DRM printer
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Re: [PATCH v2] drm/printer: Add drm_vprintf()

[Chris Wilson]

Quoting Michal Wajdeczko (2017-11-21 12:04:09)
> On Tue, 21 Nov 2017 12:21:00 +0100, Chris Wilson  
> <chris@chris-wilson.co.uk> wrote:
> 
> > Simple va_args equivalent to the existing drm_printf() for use with the
> > drm_printer.
> >
> > v2: Fixup kerneldoc to match final parameter names.
> >
> > Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> > Cc: Rob Clark <robdclark@gmail.com>
> > Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> > Cc: Dave Airlie <airlied@redhat.com>
> > ---
> >  drivers/gpu/drm/drm_print.c |  5 +----
> >  include/drm/drm_print.h     | 15 +++++++++++++++
> >  2 files changed, 16 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
> > index 82ff327eb2df..781518fd88e3 100644
> > --- a/drivers/gpu/drm/drm_print.c
> > +++ b/drivers/gpu/drm/drm_print.c
> > @@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
> >   */
> >  void drm_printf(struct drm_printer *p, const char *f, ...)
> >  {
> > -     struct va_format vaf;
> >       va_list args;
> >       va_start(args, f);
> > -     vaf.fmt = f;
> > -     vaf.va = &args;
> > -     p->printfn(p, &vaf);
> > +     drm_vprintf(p, f, &args);
> >       va_end(args);
> >  }
> >  EXPORT_SYMBOL(drm_printf);
> > diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
> > index 0968e411f562..d8383d693ad9 100644
> > --- a/include/drm/drm_print.h
> > +++ b/include/drm/drm_print.h
> > @@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p,  
> > struct va_format *vaf);
> >  __printf(2, 3)
> >  void drm_printf(struct drm_printer *p, const char *f, ...);
> > +/*
> 
> Proper kernel-doc comments shall start with /**

That's ok then. Preemptive fix (the comment was copied from drm_printf).
-Chris
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✓ Fi.CI.BAT: success for series starting with [v2] drm/printer: Add drm_vprintf() (rev2)

[Patchwork]

== Series Details ==

Series: series starting with [v2] drm/printer: Add drm_vprintf() (rev2)
URL   : https://patchwork.freedesktop.org/series/34147/
State : success

== Summary ==

Series 34147v2 series starting with [v2] drm/printer: Add drm_vprintf()
https://patchwork.freedesktop.org/api/1.0/series/34147/revisions/2/mbox/

Test gem_exec_reloc:
        Subgroup basic-write-cpu-active:
                fail       -> PASS       (fi-gdg-551) fdo#102582
Test kms_cursor_legacy:
        Subgroup basic-flip-before-cursor-varying-size:
                skip       -> PASS       (fi-hsw-4770r)

fdo#102582 https://bugs.freedesktop.org/show_bug.cgi?id=102582

fi-bdw-5557u     total:289  pass:268  dwarn:0   dfail:0   fail:0   skip:21  time:442s
fi-bdw-gvtdvm    total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:456s
fi-blb-e6850     total:289  pass:223  dwarn:1   dfail:0   fail:0   skip:65  time:383s
fi-bsw-n3050     total:289  pass:243  dwarn:0   dfail:0   fail:0   skip:46  time:533s
fi-bwr-2160      total:289  pass:183  dwarn:0   dfail:0   fail:0   skip:106 time:277s
fi-bxt-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:501s
fi-bxt-j4205     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:513s
fi-byt-j1900     total:289  pass:254  dwarn:0   dfail:0   fail:0   skip:35  time:498s
fi-byt-n2820     total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:489s
fi-cfl-s2        total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:613s
fi-elk-e7500     total:289  pass:229  dwarn:0   dfail:0   fail:0   skip:60  time:433s
fi-gdg-551       total:289  pass:178  dwarn:1   dfail:0   fail:1   skip:109 time:266s
fi-glk-1         total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:541s
fi-hsw-4770      total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:429s
fi-hsw-4770r     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:439s
fi-ilk-650       total:289  pass:228  dwarn:0   dfail:0   fail:0   skip:61  time:435s
fi-ivb-3520m     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:477s
fi-ivb-3770      total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:462s
fi-kbl-7500u     total:289  pass:264  dwarn:1   dfail:0   fail:0   skip:24  time:484s
fi-kbl-7560u     total:289  pass:270  dwarn:0   dfail:0   fail:0   skip:19  time:533s
fi-kbl-7567u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:476s
fi-kbl-r         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:534s
fi-pnv-d510      total:289  pass:222  dwarn:1   dfail:0   fail:0   skip:66  time:584s
fi-skl-6260u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:452s
fi-skl-6600u     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:548s
fi-skl-6700hq    total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:561s
fi-skl-6700k     total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:519s
fi-skl-6770hq    total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:499s
fi-skl-gvtdvm    total:289  pass:266  dwarn:0   dfail:0   fail:0   skip:23  time:463s
fi-snb-2520m     total:246  pass:212  dwarn:0   dfail:0   fail:0   skip:33 
fi-snb-2600      total:289  pass:249  dwarn:0   dfail:0   fail:0   skip:40  time:419s
Blacklisted hosts:
fi-glk-dsi       total:289  pass:165  dwarn:0   dfail:10  fail:2   skip:112 time:423s

ee3fc3c956f817479cfe2bac3cc2a72112dbdec1 drm-tip: 2017y-11m-21d-09h-02m-11s UTC integration manifest
c0f275f68769 drm/i915: Add is-wedged flag to intel_engine_dump()
f81ddf10a206 drm/i915: Include the global reset count for intel_engine_dump()
588895b40d7d drm/i915: Include engine state on detecting a missed breadcrumb/seqno
8639fceb3bad drm/i915: Make engine state pretty-printer header configurable
4c850ca96fc0 drm/i915: Use snprintf to avoid line-break when pretty-printing engines
b54996f73911 drm/printer: Add drm_vprintf()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7219/
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✗ Fi.CI.IGT: warning for series starting with [v2] drm/printer: Add drm_vprintf() (rev2)

[Patchwork]

== Series Details ==

Series: series starting with [v2] drm/printer: Add drm_vprintf() (rev2)
URL   : https://patchwork.freedesktop.org/series/34147/
State : warning

== Summary ==

Warning: bzip CI_DRM_3367/shard-glkb3/results12.json.bz2 wasn't in correct JSON format
Test kms_frontbuffer_tracking:
        Subgroup fbc-1p-indfb-fliptrack:
                pass       -> SKIP       (shard-snb) fdo#103167
        Subgroup fbc-1p-offscren-pri-shrfb-draw-blt:
                fail       -> PASS       (shard-snb) fdo#101623
Test kms_flip:
        Subgroup flip-vs-expired-vblank:
                fail       -> PASS       (shard-hsw) fdo#102887
Test kms_atomic_transition:
        Subgroup plane-all-transition:
                pass       -> SKIP       (shard-hsw)
Test kms_concurrent:
        Subgroup pipe-b:
                pass       -> SKIP       (shard-hsw)
Test kms_sysfs_edid_timing:
                pass       -> FAIL       (shard-hsw) fdo#100047

fdo#103167 https://bugs.freedesktop.org/show_bug.cgi?id=103167
fdo#101623 https://bugs.freedesktop.org/show_bug.cgi?id=101623
fdo#102887 https://bugs.freedesktop.org/show_bug.cgi?id=102887
fdo#100047 https://bugs.freedesktop.org/show_bug.cgi?id=100047

shard-hsw        total:2585 pass:1471 dwarn:2   dfail:1   fail:10  skip:1101 time:9490s
shard-snb        total:2585 pass:1257 dwarn:2   dfail:1   fail:11  skip:1314 time:8014s
Blacklisted hosts:
shard-apl        total:2565 pass:1602 dwarn:3   dfail:0   fail:23  skip:936 time:12986s
shard-kbl        total:2492 pass:1653 dwarn:3   dfail:0   fail:23  skip:812 time:10258s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7219/shards.html
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[PATCH v3] drm/printer: Add drm_vprintf()

[Chris Wilson]

Simple va_args equivalent to the existing drm_printf() for use with the
drm_printer.

v2: Fixup kerneldoc to match final parameter names.
v3: Turn it into a kerneldoc comment

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
---

Dave,
  could you ack this for merging via drm/i915?
Thanks,
-Chris

---
 drivers/gpu/drm/drm_print.c |  5 +----
 include/drm/drm_print.h     | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
index 82ff327eb2df..781518fd88e3 100644
--- a/drivers/gpu/drm/drm_print.c
+++ b/drivers/gpu/drm/drm_print.c
@@ -55,13 +55,10 @@ EXPORT_SYMBOL(__drm_printfn_debug);
  */
 void drm_printf(struct drm_printer *p, const char *f, ...)
 {
-	struct va_format vaf;
 	va_list args;
 
 	va_start(args, f);
-	vaf.fmt = f;
-	vaf.va = &args;
-	p->printfn(p, &vaf);
+	drm_vprintf(p, f, &args);
 	va_end(args);
 }
 EXPORT_SYMBOL(drm_printf);
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 0968e411f562..5f9932e2246e 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -80,6 +80,21 @@ void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
 __printf(2, 3)
 void drm_printf(struct drm_printer *p, const char *f, ...);
 
+/**
+ * drm_vprintf - print to a &drm_printer stream
+ * @p: the &drm_printer
+ * @fmt: format string
+ * @va: the va_list
+ */
+__printf(2, 0)
+static inline void
+drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va)
+{
+	struct va_format vaf = { .fmt = fmt, .va = va };
+
+	p->printfn(p, &vaf);
+}
+
 /**
  * drm_printf_indent - Print to a &drm_printer stream with indentation
  * @printer: DRM printer
-- 
2.15.0

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✓ Fi.CI.BAT: success for series starting with [v3] drm/printer: Add drm_vprintf() (rev3)

[Patchwork]

== Series Details ==

Series: series starting with [v3] drm/printer: Add drm_vprintf() (rev3)
URL   : https://patchwork.freedesktop.org/series/34147/
State : success

== Summary ==

Series 34147v3 series starting with [v3] drm/printer: Add drm_vprintf()
https://patchwork.freedesktop.org/api/1.0/series/34147/revisions/3/mbox/

Test gem_ringfill:
        Subgroup basic-default-hang:
                dmesg-warn -> PASS       (fi-blb-e6850) fdo#101600
Test kms_pipe_crc_basic:
        Subgroup suspend-read-crc-pipe-b:
                incomplete -> PASS       (fi-snb-2520m) fdo#103713

fdo#101600 https://bugs.freedesktop.org/show_bug.cgi?id=101600
fdo#103713 https://bugs.freedesktop.org/show_bug.cgi?id=103713

fi-bdw-5557u     total:289  pass:268  dwarn:0   dfail:0   fail:0   skip:21  time:445s
fi-bdw-gvtdvm    total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:455s
fi-blb-e6850     total:289  pass:224  dwarn:0   dfail:0   fail:0   skip:65  time:377s
fi-bsw-n3050     total:289  pass:243  dwarn:0   dfail:0   fail:0   skip:46  time:538s
fi-bwr-2160      total:289  pass:183  dwarn:0   dfail:0   fail:0   skip:106 time:279s
fi-bxt-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:507s
fi-bxt-j4205     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:506s
fi-byt-n2820     total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:495s
fi-cfl-s2        total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:613s
fi-elk-e7500     total:289  pass:229  dwarn:0   dfail:0   fail:0   skip:60  time:434s
fi-gdg-551       total:289  pass:178  dwarn:1   dfail:0   fail:1   skip:109 time:261s
fi-glk-1         total:289  pass:261  dwarn:0   dfail:0   fail:0   skip:28  time:541s
fi-hsw-4770      total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:426s
fi-hsw-4770r     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:439s
fi-ilk-650       total:289  pass:228  dwarn:0   dfail:0   fail:0   skip:61  time:428s
fi-ivb-3520m     total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:475s
fi-ivb-3770      total:289  pass:260  dwarn:0   dfail:0   fail:0   skip:29  time:463s
fi-kbl-7500u     total:289  pass:264  dwarn:1   dfail:0   fail:0   skip:24  time:483s
fi-kbl-7560u     total:289  pass:270  dwarn:0   dfail:0   fail:0   skip:19  time:530s
fi-kbl-7567u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:477s
fi-kbl-r         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:533s
fi-pnv-d510      total:289  pass:222  dwarn:1   dfail:0   fail:0   skip:66  time:581s
fi-skl-6260u     total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:454s
fi-skl-6600u     total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:543s
fi-skl-6700hq    total:289  pass:263  dwarn:0   dfail:0   fail:0   skip:26  time:566s
fi-skl-6700k     total:289  pass:265  dwarn:0   dfail:0   fail:0   skip:24  time:519s
fi-skl-6770hq    total:289  pass:269  dwarn:0   dfail:0   fail:0   skip:20  time:495s
fi-skl-gvtdvm    total:289  pass:266  dwarn:0   dfail:0   fail:0   skip:23  time:462s
fi-snb-2520m     total:289  pass:250  dwarn:0   dfail:0   fail:0   skip:39  time:561s
fi-snb-2600      total:289  pass:249  dwarn:0   dfail:0   fail:0   skip:40  time:422s
Blacklisted hosts:
fi-cnl-y         total:289  pass:262  dwarn:0   dfail:0   fail:0   skip:27  time:566s
fi-glk-dsi       total:289  pass:259  dwarn:0   dfail:0   fail:0   skip:30  time:503s

d8251dc669fe85dff5cdd1cc91f504366b46d317 drm-tip: 2017y-11m-22d-10h-27m-38s UTC integration manifest
9e8a484a3d1c drm/i915: Add is-wedged flag to intel_engine_dump()
59683849264a drm/i915: Include the global reset count for intel_engine_dump()
8240179cea7c drm/i915: Include engine state on detecting a missed breadcrumb/seqno
1944d9adc9ef drm/i915: Make engine state pretty-printer header configurable
e0a0d8e637f1 drm/i915: Use snprintf to avoid line-break when pretty-printing engines
661a24e6a850 drm/printer: Add drm_vprintf()

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7230/
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✗ Fi.CI.IGT: warning for series starting with [v3] drm/printer: Add drm_vprintf() (rev3)

[Patchwork]

== Series Details ==

Series: series starting with [v3] drm/printer: Add drm_vprintf() (rev3)
URL   : https://patchwork.freedesktop.org/series/34147/
State : warning

== Summary ==

Test drv_module_reload:
        Subgroup basic-no-display:
                dmesg-warn -> PASS       (shard-hsw) fdo#102707
Test kms_atomic:
        Subgroup test_only:
                pass       -> SKIP       (shard-hsw)
Test kms_frontbuffer_tracking:
        Subgroup fbc-1p-offscren-pri-shrfb-draw-render:
                pass       -> FAIL       (shard-snb) fdo#101623

fdo#102707 https://bugs.freedesktop.org/show_bug.cgi?id=102707
fdo#101623 https://bugs.freedesktop.org/show_bug.cgi?id=101623

shard-hsw        total:2585 pass:1474 dwarn:1   dfail:0   fail:10  skip:1100 time:9480s
shard-snb        total:2567 pass:1240 dwarn:1   dfail:0   fail:12  skip:1313 time:7908s
Blacklisted hosts:
shard-apl        total:2585 pass:1626 dwarn:1   dfail:0   fail:21  skip:937 time:13460s
shard-kbl        total:2535 pass:1682 dwarn:6   dfail:0   fail:24  skip:821 time:10371s

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_7230/shards.html
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