Re: [Intel-gfx] [PATCH 4/6] drm/i915/guc: More debug print updates - GuC selftests

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On 03.02.2023 01:11, John.C.Harrison@xxxxxxxxx wrote:
> From: John Harrison <John.C.Harrison@xxxxxxxxx>
> 
> Update a bunch more debug prints to use the new GT based scheme.
> 
> Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/gt/uc/selftest_guc.c     | 35 ++++++++++---------
>  .../drm/i915/gt/uc/selftest_guc_hangcheck.c   | 23 ++++++------
>  .../drm/i915/gt/uc/selftest_guc_multi_lrc.c   | 11 +++---
>  3 files changed, 36 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
> index e28518fe8b908..6cc1e9c7a47d6 100644
> --- a/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc.c
> @@ -3,6 +3,7 @@
>   * Copyright �� 2021 Intel Corporation
>   */
>  
> +#include "intel_guc_print.h"

You've included right headers but then you mostly used gt_xxx() macros
instead of guc_xxx() ones which IMHO are way more appropriate as we are
in GuC selftests

Michal

>  #include "selftests/igt_spinner.h"
>  #include "selftests/intel_scheduler_helpers.h"
>  
> @@ -65,7 +66,7 @@ static int intel_guc_scrub_ctbs(void *arg)
>  		ce = intel_context_create(engine);
>  		if (IS_ERR(ce)) {
>  			ret = PTR_ERR(ce);
> -			drm_err(&gt->i915->drm, "Failed to create context, %d: %d\n", i, ret);
> +			gt_err(gt, "Failed to create context, %d: %d\n", i, ret);
>  			goto err;
>  		}
>  
> @@ -86,7 +87,7 @@ static int intel_guc_scrub_ctbs(void *arg)
>  
>  		if (IS_ERR(rq)) {
>  			ret = PTR_ERR(rq);
> -			drm_err(&gt->i915->drm, "Failed to create request, %d: %d\n", i, ret);
> +			gt_err(gt, "Failed to create request, %d: %d\n", i, ret);
>  			goto err;
>  		}
>  
> @@ -96,7 +97,7 @@ static int intel_guc_scrub_ctbs(void *arg)
>  	for (i = 0; i < 3; ++i) {
>  		ret = i915_request_wait(last[i], 0, HZ);
>  		if (ret < 0) {
> -			drm_err(&gt->i915->drm, "Last request failed to complete: %d\n", ret);
> +			gt_err(gt, "Last request failed to complete: %d\n", ret);
>  			goto err;
>  		}
>  		i915_request_put(last[i]);
> @@ -113,7 +114,7 @@ static int intel_guc_scrub_ctbs(void *arg)
>  	/* GT will not idle if G2H are lost */
>  	ret = intel_gt_wait_for_idle(gt, HZ);
>  	if (ret < 0) {
> -		drm_err(&gt->i915->drm, "GT failed to idle: %d\n", ret);
> +		gt_err(gt, "GT failed to idle: %d\n", ret);
>  		goto err;
>  	}
>  
> @@ -153,7 +154,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  
>  	ce = kcalloc(GUC_MAX_CONTEXT_ID, sizeof(*ce), GFP_KERNEL);
>  	if (!ce) {
> -		drm_err(&gt->i915->drm, "Context array allocation failed\n");
> +		guc_err(guc, "Context array allocation failed\n");
>  		return -ENOMEM;
>  	}
>  
> @@ -167,24 +168,24 @@ static int intel_guc_steal_guc_ids(void *arg)
>  	if (IS_ERR(ce[context_index])) {
>  		ret = PTR_ERR(ce[context_index]);
>  		ce[context_index] = NULL;
> -		drm_err(&gt->i915->drm, "Failed to create context: %d\n", ret);
> +		guc_err(guc, "Failed to create context: %d\n", ret);
>  		goto err_wakeref;
>  	}
>  	ret = igt_spinner_init(&spin, engine->gt);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Failed to create spinner: %d\n", ret);
> +		guc_err(guc, "Failed to create spinner: %d\n", ret);
>  		goto err_contexts;
>  	}
>  	spin_rq = igt_spinner_create_request(&spin, ce[context_index],
>  					     MI_ARB_CHECK);
>  	if (IS_ERR(spin_rq)) {
>  		ret = PTR_ERR(spin_rq);
> -		drm_err(&gt->i915->drm, "Failed to create spinner request: %d\n", ret);
> +		guc_err(guc, "Failed to create spinner request: %d\n", ret);
>  		goto err_contexts;
>  	}
>  	ret = request_add_spin(spin_rq, &spin);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Failed to add Spinner request: %d\n", ret);
> +		guc_err(guc, "Failed to add Spinner request: %d\n", ret);
>  		goto err_spin_rq;
>  	}
>  
> @@ -194,7 +195,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  		if (IS_ERR(ce[context_index])) {
>  			ret = PTR_ERR(ce[context_index--]);
>  			ce[context_index] = NULL;
> -			drm_err(&gt->i915->drm, "Failed to create context: %d\n", ret);
> +			guc_err(guc, "Failed to create context: %d\n", ret);
>  			goto err_spin_rq;
>  		}
>  
> @@ -203,7 +204,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  			ret = PTR_ERR(rq);
>  			rq = NULL;
>  			if (ret != -EAGAIN) {
> -				drm_err(&gt->i915->drm, "Failed to create request, %d: %d\n",
> +				guc_err(guc, "Failed to create request, %d: %d\n",
>  					context_index, ret);
>  				goto err_spin_rq;
>  			}
> @@ -218,7 +219,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  	igt_spinner_end(&spin);
>  	ret = intel_selftest_wait_for_rq(spin_rq);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Spin request failed to complete: %d\n", ret);
> +		guc_err(guc, "Spin request failed to complete: %d\n", ret);
>  		i915_request_put(last);
>  		goto err_spin_rq;
>  	}
> @@ -230,7 +231,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  	ret = i915_request_wait(last, 0, HZ * 30);
>  	i915_request_put(last);
>  	if (ret < 0) {
> -		drm_err(&gt->i915->drm, "Last request failed to complete: %d\n", ret);
> +		guc_err(guc, "Last request failed to complete: %d\n", ret);
>  		goto err_spin_rq;
>  	}
>  
> @@ -238,7 +239,7 @@ static int intel_guc_steal_guc_ids(void *arg)
>  	rq = nop_user_request(ce[context_index], NULL);
>  	if (IS_ERR(rq)) {
>  		ret = PTR_ERR(rq);
> -		drm_err(&gt->i915->drm, "Failed to steal guc_id, %d: %d\n", context_index, ret);
> +		guc_err(guc, "Failed to steal guc_id, %d: %d\n", context_index, ret);
>  		goto err_spin_rq;
>  	}
>  
> @@ -246,20 +247,20 @@ static int intel_guc_steal_guc_ids(void *arg)
>  	ret = i915_request_wait(rq, 0, HZ);
>  	i915_request_put(rq);
>  	if (ret < 0) {
> -		drm_err(&gt->i915->drm, "Request with stolen guc_id failed to complete: %d\n", ret);
> +		guc_err(guc, "Request with stolen guc_id failed to complete: %d\n", ret);
>  		goto err_spin_rq;
>  	}
>  
>  	/* Wait for idle */
>  	ret = intel_gt_wait_for_idle(gt, HZ * 30);
>  	if (ret < 0) {
> -		drm_err(&gt->i915->drm, "GT failed to idle: %d\n", ret);
> +		guc_err(guc, "GT failed to idle: %d\n", ret);
>  		goto err_spin_rq;
>  	}
>  
>  	/* Verify a guc_id was stolen */
>  	if (guc->number_guc_id_stolen == number_guc_id_stolen) {
> -		drm_err(&gt->i915->drm, "No guc_id was stolen");
> +		guc_err(guc, "No guc_id was stolen");
>  		ret = -EINVAL;
>  	} else {
>  		ret = 0;
> diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc_hangcheck.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc_hangcheck.c
> index d91b58f704039..fffe95ac15c4e 100644
> --- a/drivers/gpu/drm/i915/gt/uc/selftest_guc_hangcheck.c
> +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc_hangcheck.c
> @@ -3,6 +3,7 @@
>   * Copyright © 2022 Intel Corporation
>   */
>  
> +#include "intel_guc_print.h"
>  #include "selftests/igt_spinner.h"
>  #include "selftests/igt_reset.h"
>  #include "selftests/intel_scheduler_helpers.h"
> @@ -45,7 +46,7 @@ static int intel_hang_guc(void *arg)
>  
>  	ctx = kernel_context(gt->i915, NULL);
>  	if (IS_ERR(ctx)) {
> -		drm_err(&gt->i915->drm, "Failed get kernel context: %ld\n", PTR_ERR(ctx));
> +		gt_err(gt, "Failed get kernel context: %ld\n", PTR_ERR(ctx));
>  		return PTR_ERR(ctx);
>  	}
>  
> @@ -54,7 +55,7 @@ static int intel_hang_guc(void *arg)
>  	ce = intel_context_create(engine);
>  	if (IS_ERR(ce)) {
>  		ret = PTR_ERR(ce);
> -		drm_err(&gt->i915->drm, "Failed to create spinner request: %d\n", ret);
> +		gt_err(gt, "Failed to create spinner request: %d\n", ret);
>  		goto err;
>  	}
>  
> @@ -63,13 +64,13 @@ static int intel_hang_guc(void *arg)
>  	old_beat = engine->props.heartbeat_interval_ms;
>  	ret = intel_engine_set_heartbeat(engine, BEAT_INTERVAL);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Failed to boost heatbeat interval: %d\n", ret);
> +		gt_err(gt, "Failed to boost heatbeat interval: %d\n", ret);
>  		goto err;
>  	}
>  
>  	ret = igt_spinner_init(&spin, engine->gt);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Failed to create spinner: %d\n", ret);
> +		gt_err(gt, "Failed to create spinner: %d\n", ret);
>  		goto err;
>  	}
>  
> @@ -77,28 +78,28 @@ static int intel_hang_guc(void *arg)
>  	intel_context_put(ce);
>  	if (IS_ERR(rq)) {
>  		ret = PTR_ERR(rq);
> -		drm_err(&gt->i915->drm, "Failed to create spinner request: %d\n", ret);
> +		gt_err(gt, "Failed to create spinner request: %d\n", ret);
>  		goto err_spin;
>  	}
>  
>  	ret = request_add_spin(rq, &spin);
>  	if (ret) {
>  		i915_request_put(rq);
> -		drm_err(&gt->i915->drm, "Failed to add Spinner request: %d\n", ret);
> +		gt_err(gt, "Failed to add Spinner request: %d\n", ret);
>  		goto err_spin;
>  	}
>  
>  	ret = intel_reset_guc(gt);
>  	if (ret) {
>  		i915_request_put(rq);
> -		drm_err(&gt->i915->drm, "Failed to reset GuC, ret = %d\n", ret);
> +		gt_err(gt, "Failed to reset GuC, ret = %d\n", ret);
>  		goto err_spin;
>  	}
>  
>  	guc_status = intel_uncore_read(gt->uncore, GUC_STATUS);
>  	if (!(guc_status & GS_MIA_IN_RESET)) {
>  		i915_request_put(rq);
> -		drm_err(&gt->i915->drm, "GuC failed to reset: status = 0x%08X\n", guc_status);
> +		gt_err(gt, "Failed to reset GuC: status = 0x%08X\n", guc_status);
>  		ret = -EIO;
>  		goto err_spin;
>  	}
> @@ -107,12 +108,12 @@ static int intel_hang_guc(void *arg)
>  	ret = intel_selftest_wait_for_rq(rq);
>  	i915_request_put(rq);
>  	if (ret) {
> -		drm_err(&gt->i915->drm, "Request failed to complete: %d\n", ret);
> +		gt_err(gt, "Request failed to complete: %d\n", ret);
>  		goto err_spin;
>  	}
>  
>  	if (i915_reset_count(global) == reset_count) {
> -		drm_err(&gt->i915->drm, "Failed to record a GPU reset\n");
> +		gt_err(gt, "Failed to record a GPU reset\n");
>  		ret = -EINVAL;
>  		goto err_spin;
>  	}
> @@ -132,7 +133,7 @@ static int intel_hang_guc(void *arg)
>  		ret = intel_selftest_wait_for_rq(rq);
>  		i915_request_put(rq);
>  		if (ret) {
> -			drm_err(&gt->i915->drm, "No-op failed to complete: %d\n", ret);
> +			gt_err(gt, "No-op failed to complete: %d\n", ret);
>  			goto err;
>  		}
>  	}
> diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c
> index d17982c36d256..0e64be0918ae5 100644
> --- a/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c
> @@ -3,6 +3,7 @@
>   * Copyright �� 2019 Intel Corporation
>   */
>  
> +#include "intel_guc_print.h"
>  #include "selftests/igt_spinner.h"
>  #include "selftests/igt_reset.h"
>  #include "selftests/intel_scheduler_helpers.h"
> @@ -115,30 +116,30 @@ static int __intel_guc_multi_lrc_basic(struct intel_gt *gt, unsigned int class)
>  
>  	parent = multi_lrc_create_parent(gt, class, 0);
>  	if (IS_ERR(parent)) {
> -		drm_err(&gt->i915->drm, "Failed creating contexts: %ld", PTR_ERR(parent));
> +		gt_err(gt, "Failed creating contexts: %ld\n", PTR_ERR(parent));
>  		return PTR_ERR(parent);
>  	} else if (!parent) {
> -		drm_dbg(&gt->i915->drm, "Not enough engines in class: %d", class);
> +		gt_dbg(gt, "Not enough engines in class: %d\n", class);
>  		return 0;
>  	}
>  
>  	rq = multi_lrc_nop_request(parent);
>  	if (IS_ERR(rq)) {
>  		ret = PTR_ERR(rq);
> -		drm_err(&gt->i915->drm, "Failed creating requests: %d", ret);
> +		gt_err(gt, "Failed creating requests: %d\n", ret);
>  		goto out;
>  	}
>  
>  	ret = intel_selftest_wait_for_rq(rq);
>  	if (ret)
> -		drm_err(&gt->i915->drm, "Failed waiting on request: %d", ret);
> +		gt_err(gt, "Failed waiting on request: %d\n", ret);
>  
>  	i915_request_put(rq);
>  
>  	if (ret >= 0) {
>  		ret = intel_gt_wait_for_idle(gt, HZ * 5);
>  		if (ret < 0)
> -			drm_err(&gt->i915->drm, "GT failed to idle: %d\n", ret);
> +			gt_err(gt, "GT failed to idle: %d\n", ret);
>  	}
>  
>  out:
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