From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender6-op-o11.zoho.com (sender6-op-o11.zoho.com [165.173.180.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 525864825B0 for ; Thu, 24 Sep 2026 18:10:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=165.173.180.11 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790273418; cv=pass; b=PGPl+yf9rDAH2XEjEsLLkB2imj5mGdqIOgGvJ+jaZdfBymkx2mnnPjfxjH/2EQt6BDnsryK/Y4GB9I1knJDWCMWSKBrhFpM8qNjT0pGqQv8YOpy9Idc9SDrIAgI4H/kZGhnAG6ahGbj+RXh+Pq1UZpsPbU0leF8HjDFBLaWZuVk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790273418; c=relaxed/simple; bh=stB54yy+rzsgjj1qVzBZEJWnEUOo5dHMeMALr6aQN1E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CUEQqTdbLZQrLh9JtUHHEXMNH94gAfz7OHiJuMy5i+Yqa1tes9+bEH75AqPzj2QwREwXTwZGQ99VgKQxlJlC3Xl/YcSuL5JzmPaew6xe5vIqLB/CaXT3doiUeAGd+QuZBMtYoOjfYG5IYZ6Mwnnx0z1WvNS/PHVulr3IFjfBWd0= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=adrian.larumbe@collabora.com header.b=XS45/jq9; arc=pass smtp.client-ip=165.173.180.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=adrian.larumbe@collabora.com header.b="XS45/jq9" ARC-Seal: i=1; a=rsa-sha256; t=1790273383; cv=none; d=zohomail.com; s=zohoarc; b=Prvo8vPSiRC2rtEmaXCZ2++3F4q9K0AERKcunrxIO6bIO8m///uAquGoC4WsycZHASYkEoinIc/Jd514reUUbvwwiSvbKteEM/Dsz7NEkAPVNS+OMMzLJ83MAsGiwygWP/xr0AuK7ismeHmJ/XhcBZg3YKLOFn8T6KPcUIvljrU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1790273383; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=tgZWphGgU/74z0QaLxGpjKzaewG66DZ1iM4zlbILEjk=; b=kSxaH7tFzV9xwk3QBPNMzVwLI+H3nOdcwL8hhbQL2g8JMif84nDfPqQ+nxEJihKlqzggPbFWFCNkiMXgACITESRS4pave8Nujk8DhzsR3mBMzXhbBhfs5yay07Q8OwVZBrVbkPOMw1l5RX5Nc1t/TpsykAjIrx7nlM739SBRmck= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=adrian.larumbe@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1790273383; s=zohomail; d=collabora.com; i=adrian.larumbe@collabora.com; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=tgZWphGgU/74z0QaLxGpjKzaewG66DZ1iM4zlbILEjk=; b=XS45/jq9YKKOwqSeMI5YQoFW6EL3F+Uf/BVfLkbzooNQzcGStv/OEX8NdKgNRfJC INAQ6MGHQXCjBax/TvF81UXwYOuM7zsqP3/MQxVCczDW6dVwGWYZNX4eXLutdtJrXFB yrFMpBfnhWbuk9GWWy0Oma+bnov0hRiShJ8+xEoI= Received: by smtp.zohomail.com with SMTPS id 1790273382146144.7467675855312; Thu, 24 Sep 2026 11:09:42 -0700 (PDT) From: =?utf-8?q?Adri=C3=A1n_Larumbe?= Date: Thu, 24 Sep 2026 19:09:18 +0100 Subject: [PATCH v10 01/15] drm/panfrost: Move shrinker initialization and unplug one level down Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260924-claude-fixes-v10-1-755929b3cc19@collabora.com> References: <20260924-claude-fixes-v10-0-755929b3cc19@collabora.com> In-Reply-To: <20260924-claude-fixes-v10-0-755929b3cc19@collabora.com> To: Boris Brezillon , Rob Herring , Steven Price , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Faith Ekstrand , "Marty E. Plummer" , Tomeu Vizoso , Eric Anholt , Alyssa Rosenzweig , Robin Murphy , Philipp Zabel Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Collabora Kernel Team , =?utf-8?q?Adri=C3=A1n_Larumbe?= , Neil Armstrong X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=6389; i=adrian.larumbe@collabora.com; h=from:subject:message-id; bh=stB54yy+rzsgjj1qVzBZEJWnEUOo5dHMeMALr6aQN1E=; b=owEB7QES/pANAwAKAQ4mfkzuU0M9AcsmYgBqtWdYahf0IDQ7CcIj2ZGPCJFK3w6ptELTHyHjM ZOq0itZWq2JAbMEAAEKAB0WIQQyQDDowAUXXfk3B6QOJn5M7lNDPQUCarVnWAAKCRAOJn5M7lND PVVIC/9WDbUMMttNz0bAMvhMqchUrnowCpnRkcRpkTzTwGpJUJstCjo1kGcYPSTOSkITEdiP4H/ eAXjAmrTT84Rec2cvVLbTselCZ3zmiyQ4nJJFjvkdjdzH4xTo4GOv9OIxNmHHqOmwSCP8FwMmZ1 6TCQiGqUKkLzmPSlkMnXVkok42yY7Kf56shHiSG4fJVwWTA3+AwqadVtcj81UxJT7te9gqISpCq r3TB1Drc40PvVMk5NR34UfvCNzLDEYeCMJGX14jcn9aHQhudNrGWRCmA6iFODG2gv6bMT6bh1K3 CU11yPnfNKjIaAlQXJJgvX3oxvLUJ/e1G3HcPHLK4XGQW3//Y/kCBTR6NaeNbNmB6JP6+Q7NKje TdLka8gRkSQuj1IA39I0Qto9ctjCaQEGF+ndHb5LBCdKe97zo+7+o0zCoJTB2Rgl4TkM9uA+aLz jxgK2FGnGRMtV0x1OwaX14YRGx8pAgfqemnE0CMShpTAVIYjMmtKpN0FA7lL5luno2uEQ= X-Developer-Key: i=adrian.larumbe@collabora.com; a=openpgp; fpr=324030E8C005175DF93707A40E267E4CEE53433D Since the moment we call drm_dev_register() the device should be in a position to accept jobs, so it's best if the shrinker is already initialized by then. On top of that, make shrinker functions take an panfrost_device pointer like other functions in the same sequence and rename them accordingly. Essentially mimic the init/fini behaviour in Panthor. Reviewed-by: Boris Brezillon Signed-off-by: Adrián Larumbe --- drivers/gpu/drm/panfrost/panfrost_device.c | 8 +++++++- drivers/gpu/drm/panfrost/panfrost_drv.c | 6 ------ drivers/gpu/drm/panfrost/panfrost_gem.c | 26 ++++++++++++++---------- drivers/gpu/drm/panfrost/panfrost_gem.h | 7 ++++--- drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c | 8 ++------ 5 files changed, 28 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_device.c b/drivers/gpu/drm/panfrost/panfrost_device.c index 485349faf251..05c40d5a20b5 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.c +++ b/drivers/gpu/drm/panfrost/panfrost_device.c @@ -280,9 +280,14 @@ int panfrost_device_init(struct panfrost_device *pfdev) if (err) goto out_job; - panfrost_gem_init(pfdev); + err = panfrost_gem_init(pfdev); + if (err) + goto out_perfcnt; return 0; + +out_perfcnt: + panfrost_perfcnt_fini(pfdev); out_job: panfrost_jm_fini(pfdev); out_mmu: @@ -304,6 +309,7 @@ int panfrost_device_init(struct panfrost_device *pfdev) void panfrost_device_fini(struct panfrost_device *pfdev) { + panfrost_gem_fini(pfdev); panfrost_perfcnt_fini(pfdev); panfrost_jm_fini(pfdev); panfrost_mmu_fini(pfdev); diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index 96a66d673ba6..9882a3ede75f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -1003,14 +1003,9 @@ static int panfrost_probe(struct platform_device *pdev) if (err < 0) goto err_out1; - err = panfrost_gem_shrinker_init(&pfdev->base); - if (err) - goto err_out2; return 0; -err_out2: - drm_dev_unregister(&pfdev->base); err_out1: pm_runtime_disable(pfdev->base.dev); panfrost_device_fini(pfdev); @@ -1024,7 +1019,6 @@ static void panfrost_remove(struct platform_device *pdev) struct panfrost_device *pfdev = platform_get_drvdata(pdev); drm_dev_unregister(&pfdev->base); - panfrost_gem_shrinker_cleanup(&pfdev->base); pm_runtime_get_sync(pfdev->base.dev); pm_runtime_disable(pfdev->base.dev); diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c index 3a7fce428898..f39c0f50ed4f 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c @@ -15,20 +15,24 @@ #include "panfrost_gem.h" #include "panfrost_mmu.h" -void panfrost_gem_init(struct panfrost_device *pfdev) +int panfrost_gem_init(struct panfrost_device *pfdev) { - int err; + if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && panfrost_transparent_hugepage) { + int err = drm_gem_huge_mnt_create(&pfdev->base, "within_size"); + + if (drm_gem_get_huge_mnt(&pfdev->base)) + drm_info(&pfdev->base, "Using Transparent Hugepage\n"); + else if (err) + drm_warn(&pfdev->base, "Can't use Transparent Hugepage (%d)\n", + err); + } - if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && - !panfrost_transparent_hugepage) - return; + return panfrost_gem_shrinker_init(pfdev); +} - err = drm_gem_huge_mnt_create(&pfdev->base, "within_size"); - if (drm_gem_get_huge_mnt(&pfdev->base)) - drm_info(&pfdev->base, "Using Transparent Hugepage\n"); - else if (err) - drm_warn(&pfdev->base, "Can't use Transparent Hugepage (%d)\n", - err); +void panfrost_gem_fini(struct panfrost_device *pfdev) +{ + panfrost_gem_shrinker_fini(pfdev); } #ifdef CONFIG_DEBUG_FS diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h index 79d4377019e9..5c823cdbd980 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.h +++ b/drivers/gpu/drm/panfrost/panfrost_gem.h @@ -129,7 +129,8 @@ drm_mm_node_to_panfrost_mapping(struct drm_mm_node *node) return container_of(node, struct panfrost_gem_mapping, mmnode); } -void panfrost_gem_init(struct panfrost_device *pfdev); +int panfrost_gem_init(struct panfrost_device *pfdev); +void panfrost_gem_fini(struct panfrost_device *pfdev); struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size); @@ -154,8 +155,8 @@ panfrost_gem_mapping_get(struct panfrost_gem_object *bo, void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping); void panfrost_gem_teardown_mappings_locked(struct panfrost_gem_object *bo); -int panfrost_gem_shrinker_init(struct drm_device *dev); -void panfrost_gem_shrinker_cleanup(struct drm_device *dev); +int panfrost_gem_shrinker_init(struct panfrost_device *pfdev); +void panfrost_gem_shrinker_fini(struct panfrost_device *pfdev); void panfrost_gem_set_label(struct drm_gem_object *obj, const char *label); int panfrost_gem_sync(struct drm_gem_object *obj, u32 type, diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c index 2fe967a90bcb..fefae87535d6 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c @@ -95,10 +95,8 @@ panfrost_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) * * This function registers and sets up the panfrost shrinker. */ -int panfrost_gem_shrinker_init(struct drm_device *dev) +int panfrost_gem_shrinker_init(struct panfrost_device *pfdev) { - struct panfrost_device *pfdev = to_panfrost_device(dev); - pfdev->shrinker = shrinker_alloc(0, "drm-panfrost"); if (!pfdev->shrinker) return -ENOMEM; @@ -118,10 +116,8 @@ int panfrost_gem_shrinker_init(struct drm_device *dev) * * This function unregisters the panfrost shrinker. */ -void panfrost_gem_shrinker_cleanup(struct drm_device *dev) +void panfrost_gem_shrinker_fini(struct panfrost_device *pfdev) { - struct panfrost_device *pfdev = to_panfrost_device(dev); - if (pfdev->shrinker) shrinker_free(pfdev->shrinker); } -- 2.55.0