linux-kernel - [PATCH 2/8] drm/xe/gt: Unify xe_hw_fence_irq

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Message-ID: <20250204124909.158315-3-dev@lankhorst.se>
Date: Tue,  4 Feb 2025 13:49:03 +0100
From: Maarten Lankhorst <dev@...khorst.se>
To: intel-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Maarten Lankhorst <dev@...khorst.se>,
	Ingo Molnar <mingo@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Will Deacon <will@...nel.org>,
	Waiman Long <longman@...hat.com>,
	Boqun Feng <boqun.feng@...il.com>
Subject: [PATCH 2/8] drm/xe/gt: Unify xe_hw_fence_irq_finish() calls.

Those calls should be from xe_gt_init, not the diverse amount of places
they are called.

Signed-off-by: Maarten Lankhorst <dev@...khorst.se>
---
 drivers/gpu/drm/xe/xe_gt.c | 31 ++++++++++++++-----------------
 1 file changed, 14 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 01a4a852b8f43..943bab94119fa 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -408,13 +408,11 @@ static void dump_pat_on_error(struct xe_gt *gt)
 static int gt_fw_domain_init(struct xe_gt *gt)
 {
 	unsigned int fw_ref;
-	int err, i;
+	int err;
 
 	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
-	if (!fw_ref) {
-		err = -ETIMEDOUT;
-		goto err_hw_fence_irq;
-	}
+	if (!fw_ref)
+		return -ETIMEDOUT;
 
 	if (!xe_gt_is_media_type(gt)) {
 		err = xe_ggtt_init(gt_to_tile(gt)->mem.ggtt);
@@ -455,9 +453,6 @@ static int gt_fw_domain_init(struct xe_gt *gt)
 err_force_wake:
 	dump_pat_on_error(gt);
 	xe_force_wake_put(gt_to_fw(gt), fw_ref);
-err_hw_fence_irq:
-	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)
-		xe_hw_fence_irq_finish(&gt->fence_irq[i]);
 
 	return err;
 }
@@ -465,7 +460,7 @@ static int gt_fw_domain_init(struct xe_gt *gt)
 static int all_fw_domain_init(struct xe_gt *gt)
 {
 	unsigned int fw_ref;
-	int err, i;
+	int err;
 
 	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FORCEWAKE_ALL);
 	if (!xe_force_wake_ref_has_domain(fw_ref, XE_FORCEWAKE_ALL)) {
@@ -543,8 +538,6 @@ static int all_fw_domain_init(struct xe_gt *gt)
 
 err_force_wake:
 	xe_force_wake_put(gt_to_fw(gt), fw_ref);
-	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)
-		xe_hw_fence_irq_finish(&gt->fence_irq[i]);
 
 	return err;
 }
@@ -596,35 +589,39 @@ int xe_gt_init(struct xe_gt *gt)
 
 	err = xe_gt_pagefault_init(gt);
 	if (err)
-		return err;
+		goto err;
 
 	xe_mocs_init_early(gt);
 
 	err = xe_gt_sysfs_init(gt);
 	if (err)
-		return err;
+		goto err;
 
 	err = gt_fw_domain_init(gt);
 	if (err)
-		return err;
+		goto err;
 
 	err = xe_gt_idle_init(&gt->gtidle);
 	if (err)
-		return err;
+		goto err;
 
 	err = xe_gt_freq_init(gt);
 	if (err)
-		return err;
+		goto err;
 
 	xe_force_wake_init_engines(gt, gt_to_fw(gt));
 
 	err = all_fw_domain_init(gt);
 	if (err)
-		return err;
+		goto err;
 
 	xe_gt_record_user_engines(gt);
 
 	return 0;
+err:
+	for (i = 0; i < XE_ENGINE_CLASS_MAX; ++i)
+		xe_hw_fence_irq_finish(&gt->fence_irq[i]);
+	return err;
 }
 
 /**
-- 
2.47.1