From: Dmitry Osipenko <dmitry.osipenko@collabora.com> To: "David Airlie" <airlied@gmail.com>, "Gerd Hoffmann" <kraxel@redhat.com>, "Gurchetan Singh" <gurchetansingh@chromium.org>, "Chia-I Wu" <olvaffe@gmail.com>, "Daniel Vetter" <daniel@ffwll.ch>, "Daniel Almeida" <daniel.almeida@collabora.com>, "Gustavo Padovan" <gustavo.padovan@collabora.com>, "Daniel Stone" <daniel@fooishbar.org>, "Tomeu Vizoso" <tomeu.vizoso@collabora.com>, "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>, "Maxime Ripard" <mripard@kernel.org>, "Thomas Zimmermann" <tzimmermann@suse.de>, "Rob Clark" <robdclark@gmail.com>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Christian König" <christian.koenig@amd.com>, "Qiang Yu" <yuq825@gmail.com>, "Steven Price" <steven.price@arm.com>, "Alyssa Rosenzweig" <alyssa.rosenzweig@collabora.com>, "Rob Herring" <robh@kernel.org>, "Sean Paul" <sean@poorly.run>, "Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>, "Abhinav Kumar" <quic_abhinavk@quicinc.com> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel@collabora.com, virtualization@lists.linux-foundation.org Subject: [PATCH v9 02/11] drm/panfrost: Don't sync rpm suspension after mmu flushing Date: Wed, 23 Nov 2022 05:57:14 +0300 [thread overview] Message-ID: <20221123025723.695075-3-dmitry.osipenko@collabora.com> (raw) In-Reply-To: <20221123025723.695075-1-dmitry.osipenko@collabora.com> Lockdep warns about potential circular locking dependency of devfreq with the fs_reclaim caused by immediate device suspension when mapping is released by shrinker. Fix it by doing the suspension asynchronously. Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> --- drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index e246d914e7f6..99a0975f6f03 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -273,7 +273,7 @@ static void panfrost_mmu_flush_range(struct panfrost_device *pfdev, if (pm_runtime_active(pfdev->dev)) mmu_hw_do_operation(pfdev, mmu, iova, size, AS_COMMAND_FLUSH_PT); - pm_runtime_put_sync_autosuspend(pfdev->dev); + pm_runtime_put_autosuspend(pfdev->dev); } static int mmu_map_sg(struct panfrost_device *pfdev, struct panfrost_mmu *mmu, -- 2.38.1
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <dmitry.osipenko@collabora.com> To: "David Airlie" <airlied@gmail.com>, "Gerd Hoffmann" <kraxel@redhat.com>, "Gurchetan Singh" <gurchetansingh@chromium.org>, "Chia-I Wu" <olvaffe@gmail.com>, "Daniel Vetter" <daniel@ffwll.ch>, "Daniel Almeida" <daniel.almeida@collabora.com>, "Gustavo Padovan" <gustavo.padovan@collabora.com>, "Daniel Stone" <daniel@fooishbar.org>, "Tomeu Vizoso" <tomeu.vizoso@collabora.com>, "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>, "Maxime Ripard" <mripard@kernel.org>, "Thomas Zimmermann" <tzimmermann@suse.de>, "Rob Clark" <robdclark@gmail.com>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Christian König" <christian.koenig@amd.com>, "Qiang Yu" <yuq825@gmail.com>, "Steven Price" <steven.price@arm.com>, "Alyssa Rosenzweig" <alyssa.rosenzweig@collabora.com>, "Rob Herring" <robh@kernel.org>, "Sean Paul" <sean@poorly.run>, "Dmitry Baryshkov" <dmitry.baryshkov@linaro.org>, "Abhinav Kumar" <quic_abhinavk@quicinc.com> Cc: kernel@collabora.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org Subject: [PATCH v9 02/11] drm/panfrost: Don't sync rpm suspension after mmu flushing Date: Wed, 23 Nov 2022 05:57:14 +0300 [thread overview] Message-ID: <20221123025723.695075-3-dmitry.osipenko@collabora.com> (raw) In-Reply-To: <20221123025723.695075-1-dmitry.osipenko@collabora.com> Lockdep warns about potential circular locking dependency of devfreq with the fs_reclaim caused by immediate device suspension when mapping is released by shrinker. Fix it by doing the suspension asynchronously. Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> --- drivers/gpu/drm/panfrost/panfrost_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index e246d914e7f6..99a0975f6f03 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -273,7 +273,7 @@ static void panfrost_mmu_flush_range(struct panfrost_device *pfdev, if (pm_runtime_active(pfdev->dev)) mmu_hw_do_operation(pfdev, mmu, iova, size, AS_COMMAND_FLUSH_PT); - pm_runtime_put_sync_autosuspend(pfdev->dev); + pm_runtime_put_autosuspend(pfdev->dev); } static int mmu_map_sg(struct panfrost_device *pfdev, struct panfrost_mmu *mmu, -- 2.38.1
next prev parent reply other threads:[~2022-11-23 3:00 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-23 2:57 [PATCH v9 00/11] Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 01/11] drm/msm/gem: Prevent blocking within shrinker loop Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-29 16:40 ` Rob Clark 2022-11-29 16:40 ` Rob Clark 2022-11-29 16:40 ` Rob Clark 2022-11-23 2:57 ` Dmitry Osipenko [this message] 2022-11-23 2:57 ` [PATCH v9 02/11] drm/panfrost: Don't sync rpm suspension after mmu flushing Dmitry Osipenko 2022-11-23 15:59 ` Steven Price 2022-11-23 2:57 ` [PATCH v9 03/11] drm/gem: Add evict() callback to drm_gem_object_funcs Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 15:58 ` Steven Price 2022-11-23 16:40 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 04/11] drm/shmem: Put booleans in the end of struct drm_gem_shmem_object Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 05/11] drm/shmem: Switch to use drm_* debug helpers Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 06/11] drm/shmem-helper: Don't use vmap_use_count for dma-bufs Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 07/11] drm/shmem-helper: Switch to reservation lock Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 08/11] drm/shmem-helper: Add memory shrinker Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 15:56 ` kernel test robot 2022-11-23 15:56 ` kernel test robot 2022-11-23 15:56 ` kernel test robot 2022-11-23 18:08 ` kernel test robot 2022-11-23 18:08 ` kernel test robot 2022-11-23 18:08 ` kernel test robot 2022-11-23 2:57 ` [PATCH v9 09/11] drm/gem: Add drm_gem_pin_unlocked() Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 10/11] drm/virtio: Support memory shrinking Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 2:57 ` [PATCH v9 11/11] drm/panfrost: Switch to generic memory shrinker Dmitry Osipenko 2022-11-23 2:57 ` Dmitry Osipenko 2022-11-23 17:03 ` Steven Price
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20221123025723.695075-3-dmitry.osipenko@collabora.com \ --to=dmitry.osipenko@collabora.com \ --cc=airlied@gmail.com \ --cc=alyssa.rosenzweig@collabora.com \ --cc=christian.koenig@amd.com \ --cc=daniel.almeida@collabora.com \ --cc=daniel@ffwll.ch \ --cc=daniel@fooishbar.org \ --cc=dmitry.baryshkov@linaro.org \ --cc=dri-devel@lists.freedesktop.org \ --cc=gurchetansingh@chromium.org \ --cc=gustavo.padovan@collabora.com \ --cc=kernel@collabora.com \ --cc=kraxel@redhat.com \ --cc=linux-kernel@vger.kernel.org \ --cc=maarten.lankhorst@linux.intel.com \ --cc=mripard@kernel.org \ --cc=olvaffe@gmail.com \ --cc=quic_abhinavk@quicinc.com \ --cc=robdclark@gmail.com \ --cc=robh@kernel.org \ --cc=sean@poorly.run \ --cc=steven.price@arm.com \ --cc=sumit.semwal@linaro.org \ --cc=tomeu.vizoso@collabora.com \ --cc=tzimmermann@suse.de \ --cc=virtualization@lists.linux-foundation.org \ --cc=yuq825@gmail.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.