Re: [PATCH] drm/i915: Compile fix for 64b dma-fence seqno

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Am 07.12.18 um 13:34 schrieb Mika Kuoppala:
> Many errs of the form:
> drivers/gpu/drm/i915/selftests/intel_hangcheck.c: In function ‘__igt_reset_evict_vma’:
> ./include/linux/kern_levels.h:5:18: error: format ‘%x’ expects argument of type ‘unsigned int’, but argum
>
> Fixes: b312d8ca3a7c ("dma-buf: make fence sequence numbers 64 bit v2")
> Cc: Christian König <christian.koenig@xxxxxxx>
> Cc: Chunming Zhou <david1.zhou@xxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>

Ah, crap! No I see my mistake.

I searched for dereferences of a fence object, but in this case the 
fence object is embedded in a parent object.

Patch is Acked-by: Christian König <christian.koenig@xxxxxxx>, but there 
are probably a couple of more cases like this I missed.

Christian.

> ---
>   drivers/gpu/drm/i915/i915_gem.c                  |  4 ++--
>   drivers/gpu/drm/i915/i915_gem_context.c          |  8 ++++----
>   drivers/gpu/drm/i915/i915_request.c              | 12 ++++++------
>   drivers/gpu/drm/i915/intel_lrc.c                 |  6 +++---
>   drivers/gpu/drm/i915/selftests/intel_hangcheck.c | 14 +++++++-------
>   5 files changed, 22 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index d36a9755ad91..649847b87e41 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -3187,7 +3187,7 @@ i915_gem_reset_request(struct intel_engine_cs *engine,
>   	 */
>   
>   	if (i915_request_completed(request)) {
> -		GEM_TRACE("%s pardoned global=%d (fence %llx:%d), current %d\n",
> +		GEM_TRACE("%s pardoned global=%d (fence %llx:%lld), current %d\n",
>   			  engine->name, request->global_seqno,
>   			  request->fence.context, request->fence.seqno,
>   			  intel_engine_get_seqno(engine));
> @@ -3311,7 +3311,7 @@ static void nop_submit_request(struct i915_request *request)
>   {
>   	unsigned long flags;
>   
> -	GEM_TRACE("%s fence %llx:%d -> -EIO\n",
> +	GEM_TRACE("%s fence %llx:%lld -> -EIO\n",
>   		  request->engine->name,
>   		  request->fence.context, request->fence.seqno);
>   	dma_fence_set_error(&request->fence, -EIO);
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
> index 371c07087095..4ec386950f75 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -649,7 +649,7 @@ last_request_on_engine(struct i915_timeline *timeline,
>   	rq = i915_gem_active_raw(&timeline->last_request,
>   				 &engine->i915->drm.struct_mutex);
>   	if (rq && rq->engine == engine) {
> -		GEM_TRACE("last request for %s on engine %s: %llx:%d\n",
> +		GEM_TRACE("last request for %s on engine %s: %llx:%llu\n",
>   			  timeline->name, engine->name,
>   			  rq->fence.context, rq->fence.seqno);
>   		GEM_BUG_ON(rq->timeline != timeline);
> @@ -686,14 +686,14 @@ static bool engine_has_kernel_context_barrier(struct intel_engine_cs *engine)
>   		 * switch-to-kernel-context?
>   		 */
>   		if (!i915_timeline_sync_is_later(barrier, &rq->fence)) {
> -			GEM_TRACE("%s needs barrier for %llx:%d\n",
> +			GEM_TRACE("%s needs barrier for %llx:%lld\n",
>   				  ring->timeline->name,
>   				  rq->fence.context,
>   				  rq->fence.seqno);
>   			return false;
>   		}
>   
> -		GEM_TRACE("%s has barrier after %llx:%d\n",
> +		GEM_TRACE("%s has barrier after %llx:%lld\n",
>   			  ring->timeline->name,
>   			  rq->fence.context,
>   			  rq->fence.seqno);
> @@ -749,7 +749,7 @@ int i915_gem_switch_to_kernel_context(struct drm_i915_private *i915)
>   			if (prev->gem_context == i915->kernel_context)
>   				continue;
>   
> -			GEM_TRACE("add barrier on %s for %llx:%d\n",
> +			GEM_TRACE("add barrier on %s for %llx:%lld\n",
>   				  engine->name,
>   				  prev->fence.context,
>   				  prev->fence.seqno);
> diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
> index ca95ab2f4cfa..cefefc11d922 100644
> --- a/drivers/gpu/drm/i915/i915_request.c
> +++ b/drivers/gpu/drm/i915/i915_request.c
> @@ -270,7 +270,7 @@ static void free_capture_list(struct i915_request *request)
>   static void __retire_engine_request(struct intel_engine_cs *engine,
>   				    struct i915_request *rq)
>   {
> -	GEM_TRACE("%s(%s) fence %llx:%d, global=%d, current %d\n",
> +	GEM_TRACE("%s(%s) fence %llx:%lld, global=%d, current %d\n",
>   		  __func__, engine->name,
>   		  rq->fence.context, rq->fence.seqno,
>   		  rq->global_seqno,
> @@ -332,7 +332,7 @@ static void i915_request_retire(struct i915_request *request)
>   {
>   	struct i915_gem_active *active, *next;
>   
> -	GEM_TRACE("%s fence %llx:%d, global=%d, current %d\n",
> +	GEM_TRACE("%s fence %llx:%lld, global=%d, current %d\n",
>   		  request->engine->name,
>   		  request->fence.context, request->fence.seqno,
>   		  request->global_seqno,
> @@ -395,7 +395,7 @@ void i915_request_retire_upto(struct i915_request *rq)
>   	struct intel_ring *ring = rq->ring;
>   	struct i915_request *tmp;
>   
> -	GEM_TRACE("%s fence %llx:%d, global=%d, current %d\n",
> +	GEM_TRACE("%s fence %llx:%lld, global=%d, current %d\n",
>   		  rq->engine->name,
>   		  rq->fence.context, rq->fence.seqno,
>   		  rq->global_seqno,
> @@ -436,7 +436,7 @@ void __i915_request_submit(struct i915_request *request)
>   	struct intel_engine_cs *engine = request->engine;
>   	u32 seqno;
>   
> -	GEM_TRACE("%s fence %llx:%d -> global=%d, current %d\n",
> +	GEM_TRACE("%s fence %llx:%lld -> global=%d, current %d\n",
>   		  engine->name,
>   		  request->fence.context, request->fence.seqno,
>   		  engine->timeline.seqno + 1,
> @@ -486,7 +486,7 @@ void __i915_request_unsubmit(struct i915_request *request)
>   {
>   	struct intel_engine_cs *engine = request->engine;
>   
> -	GEM_TRACE("%s fence %llx:%d <- global=%d, current %d\n",
> +	GEM_TRACE("%s fence %llx:%lld <- global=%d, current %d\n",
>   		  engine->name,
>   		  request->fence.context, request->fence.seqno,
>   		  request->global_seqno,
> @@ -961,7 +961,7 @@ void i915_request_add(struct i915_request *request)
>   	struct i915_request *prev;
>   	u32 *cs;
>   
> -	GEM_TRACE("%s fence %llx:%d\n",
> +	GEM_TRACE("%s fence %llx:%lld\n",
>   		  engine->name, request->fence.context, request->fence.seqno);
>   
>   	lockdep_assert_held(&request->i915->drm.struct_mutex);
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
> index 3a47a4732fae..d2be283c45cc 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -455,7 +455,7 @@ static void execlists_submit_ports(struct intel_engine_cs *engine)
>   			desc = execlists_update_context(rq);
>   			GEM_DEBUG_EXEC(port[n].context_id = upper_32_bits(desc));
>   
> -			GEM_TRACE("%s in[%d]:  ctx=%d.%d, global=%d (fence %llx:%d) (current %d), prio=%d\n",
> +			GEM_TRACE("%s in[%d]:  ctx=%d.%d, global=%d (fence %llx:%lld) (current %d), prio=%d\n",
>   				  engine->name, n,
>   				  port[n].context_id, count,
>   				  rq->global_seqno,
> @@ -748,7 +748,7 @@ execlists_cancel_port_requests(struct intel_engine_execlists * const execlists)
>   	while (num_ports-- && port_isset(port)) {
>   		struct i915_request *rq = port_request(port);
>   
> -		GEM_TRACE("%s:port%u global=%d (fence %llx:%d), (current %d)\n",
> +		GEM_TRACE("%s:port%u global=%d (fence %llx:%lld), (current %d)\n",
>   			  rq->engine->name,
>   			  (unsigned int)(port - execlists->port),
>   			  rq->global_seqno,
> @@ -976,7 +976,7 @@ static void process_csb(struct intel_engine_cs *engine)
>   						EXECLISTS_ACTIVE_USER));
>   
>   		rq = port_unpack(port, &count);
> -		GEM_TRACE("%s out[0]: ctx=%d.%d, global=%d (fence %llx:%d) (current %d), prio=%d\n",
> +		GEM_TRACE("%s out[0]: ctx=%d.%d, global=%d (fence %llx:%lld) (current %d), prio=%d\n",
>   			  engine->name,
>   			  port->context_id, count,
>   			  rq ? rq->global_seqno : 0,
> diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
> index 60a4bd9405be..805e40aff407 100644
> --- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
> +++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c
> @@ -450,7 +450,7 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active)
>   				if (!wait_until_running(&h, rq)) {
>   					struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -					pr_err("%s: Failed to start request %x, at %x\n",
> +					pr_err("%s: Failed to start request %llx, at %x\n",
>   					       __func__, rq->fence.seqno, hws_seqno(&h, rq));
>   					intel_engine_dump(engine, &p,
>   							  "%s\n", engine->name);
> @@ -551,7 +551,7 @@ static int active_request_put(struct i915_request *rq)
>   		return 0;
>   
>   	if (i915_request_wait(rq, 0, 5 * HZ) < 0) {
> -		GEM_TRACE("%s timed out waiting for completion of fence %llx:%d, seqno %d.\n",
> +		GEM_TRACE("%s timed out waiting for completion of fence %llx:%lld, seqno %d.\n",
>   			  rq->engine->name,
>   			  rq->fence.context,
>   			  rq->fence.seqno,
> @@ -728,7 +728,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915,
>   				if (!wait_until_running(&h, rq)) {
>   					struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -					pr_err("%s: Failed to start request %x, at %x\n",
> +					pr_err("%s: Failed to start request %llx, at %x\n",
>   					       __func__, rq->fence.seqno, hws_seqno(&h, rq));
>   					intel_engine_dump(engine, &p,
>   							  "%s\n", engine->name);
> @@ -927,7 +927,7 @@ static int igt_reset_wait(void *arg)
>   	if (!wait_until_running(&h, rq)) {
>   		struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -		pr_err("%s: Failed to start request %x, at %x\n",
> +		pr_err("%s: Failed to start request %llx, at %x\n",
>   		       __func__, rq->fence.seqno, hws_seqno(&h, rq));
>   		intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name);
>   
> @@ -1106,7 +1106,7 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915,
>   	if (!wait_until_running(&h, rq)) {
>   		struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -		pr_err("%s: Failed to start request %x, at %x\n",
> +		pr_err("%s: Failed to start request %llx, at %x\n",
>   		       __func__, rq->fence.seqno, hws_seqno(&h, rq));
>   		intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name);
>   
> @@ -1301,7 +1301,7 @@ static int igt_reset_queue(void *arg)
>   			if (!wait_until_running(&h, prev)) {
>   				struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -				pr_err("%s(%s): Failed to start request %x, at %x\n",
> +				pr_err("%s(%s): Failed to start request %llx, at %x\n",
>   				       __func__, engine->name,
>   				       prev->fence.seqno, hws_seqno(&h, prev));
>   				intel_engine_dump(engine, &p,
> @@ -1412,7 +1412,7 @@ static int igt_handle_error(void *arg)
>   	if (!wait_until_running(&h, rq)) {
>   		struct drm_printer p = drm_info_printer(i915->drm.dev);
>   
> -		pr_err("%s: Failed to start request %x, at %x\n",
> +		pr_err("%s: Failed to start request %llx, at %x\n",
>   		       __func__, rq->fence.seqno, hws_seqno(&h, rq));
>   		intel_engine_dump(rq->engine, &p, "%s\n", rq->engine->name);
>   

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