From: Rob Clark <robdclark@gmail.com>
To: dri-devel@lists.freedesktop.org
Cc: Daniel Vetter <daniel@ffwll.ch>,
Rob Clark <robdclark@chromium.org>,
Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>,
linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM
ADRENO GPU),
freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM
ADRENO GPU), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v2 08/22] drm/msm/gem: Switch over to obj->resv for locking
Date: Sun, 11 Oct 2020 19:09:35 -0700 [thread overview]
Message-ID: <20201012020958.229288-9-robdclark@gmail.com> (raw)
In-Reply-To: <20201012020958.229288-1-robdclark@gmail.com>
From: Rob Clark <robdclark@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/msm_gem.c | 4 +---
drivers/gpu/drm/msm/msm_gem.h | 16 +++++-----------
drivers/gpu/drm/msm/msm_gem_submit.c | 4 ++--
drivers/gpu/drm/msm/msm_gpu.c | 2 +-
4 files changed, 9 insertions(+), 17 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index ff8ca257bdc6..210bf5c9c2dd 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -955,9 +955,9 @@ static void free_object(struct msm_gem_object *msm_obj)
put_pages(obj);
}
+ msm_gem_unlock(obj);
drm_gem_object_release(obj);
- msm_gem_unlock(obj);
kfree(msm_obj);
}
@@ -1029,8 +1029,6 @@ static int msm_gem_new_impl(struct drm_device *dev,
if (!msm_obj)
return -ENOMEM;
- mutex_init(&msm_obj->lock);
-
msm_obj->flags = flags;
msm_obj->madv = MSM_MADV_WILLNEED;
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index 744889436a98..ec01f35ce57b 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -85,7 +85,6 @@ struct msm_gem_object {
* an IOMMU. Also used for stolen/splashscreen buffer.
*/
struct drm_mm_node *vram_node;
- struct mutex lock; /* Protects resources associated with bo */
char name[32]; /* Identifier to print for the debugfs files */
@@ -156,36 +155,31 @@ void msm_gem_describe_objects(struct list_head *list, struct seq_file *m);
static inline void
msm_gem_lock(struct drm_gem_object *obj)
{
- struct msm_gem_object *msm_obj = to_msm_bo(obj);
- mutex_lock(&msm_obj->lock);
+ dma_resv_lock(obj->resv, NULL);
}
static inline bool __must_check
msm_gem_trylock(struct drm_gem_object *obj)
{
- struct msm_gem_object *msm_obj = to_msm_bo(obj);
- return mutex_trylock_recursive(&msm_obj->lock) == MUTEX_TRYLOCK_SUCCESS;
+ return dma_resv_trylock(obj->resv);
}
static inline int
msm_gem_lock_interruptible(struct drm_gem_object *obj)
{
- struct msm_gem_object *msm_obj = to_msm_bo(obj);
- return mutex_lock_interruptible(&msm_obj->lock);
+ return dma_resv_lock_interruptible(obj->resv, NULL);
}
static inline void
msm_gem_unlock(struct drm_gem_object *obj)
{
- struct msm_gem_object *msm_obj = to_msm_bo(obj);
- mutex_unlock(&msm_obj->lock);
+ dma_resv_unlock(obj->resv);
}
static inline bool
msm_gem_is_locked(struct drm_gem_object *obj)
{
- struct msm_gem_object *msm_obj = to_msm_bo(obj);
- return mutex_is_locked(&msm_obj->lock);
+ return dma_resv_is_locked(obj->resv);
}
static inline bool is_active(struct msm_gem_object *msm_obj)
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index a9422d043bfe..35b7d9d06850 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -215,7 +215,7 @@ static void submit_unlock_unpin_bo(struct msm_gem_submit *submit,
struct msm_gem_object *msm_obj = submit->bos[i].obj;
if (submit->bos[i].flags & BO_PINNED)
- msm_gem_unpin_iova(&msm_obj->base, submit->aspace);
+ msm_gem_unpin_iova_locked(&msm_obj->base, submit->aspace);
if (submit->bos[i].flags & BO_LOCKED)
dma_resv_unlock(msm_obj->base.resv);
@@ -318,7 +318,7 @@ static int submit_pin_objects(struct msm_gem_submit *submit)
uint64_t iova;
/* if locking succeeded, pin bo: */
- ret = msm_gem_get_and_pin_iova(&msm_obj->base,
+ ret = msm_gem_get_and_pin_iova_locked(&msm_obj->base,
submit->aspace, &iova);
if (ret)
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 55d16489d0f3..dbd9020713e5 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -784,7 +784,7 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
/* submit takes a reference to the bo and iova until retired: */
drm_gem_object_get(&msm_obj->base);
- msm_gem_get_and_pin_iova(&msm_obj->base, submit->aspace, &iova);
+ msm_gem_get_and_pin_iova_locked(&msm_obj->base, submit->aspace, &iova);
if (submit->bos[i].flags & MSM_SUBMIT_BO_WRITE)
dma_resv_add_excl_fence(drm_obj->resv, submit->fence);
--
2.26.2
next prev parent reply other threads:[~2020-10-12 2:09 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 2:09 [PATCH 00/14] drm/msm: de-struct_mutex-ification Rob Clark
2020-10-12 2:09 ` [PATCH v2 01/22] drm/msm/gem: Add obj->lock wrappers Rob Clark
2020-10-12 2:09 ` [PATCH v2 02/22] drm/msm/gem: Rename internal get_iova_locked helper Rob Clark
2020-10-12 2:09 ` [PATCH v2 03/22] drm/msm/gem: Move prototypes to msm_gem.h Rob Clark
2020-10-12 2:09 ` [PATCH v2 04/22] drm/msm/gem: Add some _locked() helpers Rob Clark
2020-10-12 2:09 ` [PATCH v2 05/22] drm/msm/gem: Move locking in shrinker path Rob Clark
2020-10-12 2:09 ` [PATCH v2 06/22] drm/msm/submit: Move copy_from_user ahead of locking bos Rob Clark
2020-10-12 2:09 ` [PATCH v2 07/22] drm/msm: Do rpm get sooner in the submit path Rob Clark
2020-10-12 14:35 ` Daniel Vetter
2020-10-12 15:43 ` Rob Clark
2020-10-20 9:07 ` Viresh Kumar
2020-10-20 10:56 ` Daniel Vetter
2020-10-20 11:24 ` Viresh Kumar
2020-10-20 11:42 ` Daniel Vetter
2020-10-20 14:13 ` Rob Clark
2020-10-22 8:06 ` Viresh Kumar
2020-10-25 17:39 ` Rob Clark
2020-10-27 11:35 ` Viresh Kumar
2020-11-03 5:47 ` Viresh Kumar
2020-11-03 16:50 ` Rob Clark
2020-11-04 3:03 ` Viresh Kumar
2020-11-05 19:24 ` Rob Clark
2020-11-06 7:16 ` Viresh Kumar
2020-11-17 10:03 ` Viresh Kumar
2020-11-17 17:02 ` Rob Clark
2020-11-18 5:28 ` Viresh Kumar
2020-11-18 16:53 ` Rob Clark
2020-11-19 6:05 ` Viresh Kumar
2020-12-07 6:16 ` Viresh Kumar
2020-12-16 5:22 ` Viresh Kumar
2020-10-12 2:09 ` Rob Clark [this message]
2020-10-12 2:09 ` [PATCH v2 09/22] drm/msm: Use correct drm_gem_object_put() in fail case Rob Clark
2020-10-12 2:09 ` [PATCH v2 10/22] drm/msm: Drop chatty trace Rob Clark
2020-10-12 2:09 ` [PATCH v2 11/22] drm/msm: Move update_fences() Rob Clark
2020-10-12 2:09 ` [PATCH v2 12/22] drm/msm: Add priv->mm_lock to protect active/inactive lists Rob Clark
2020-10-12 2:09 ` [PATCH v2 13/22] drm/msm: Document and rename preempt_lock Rob Clark
2020-10-12 2:09 ` [PATCH v2 14/22] drm/msm: Protect ring->submits with it's own lock Rob Clark
2020-10-12 2:09 ` [PATCH v2 15/22] drm/msm: Refcount submits Rob Clark
2020-10-12 2:09 ` [PATCH v2 16/22] drm/msm: Remove obj->gpu Rob Clark
2020-10-12 2:09 ` [PATCH v2 17/22] drm/msm: Drop struct_mutex from the retire path Rob Clark
2020-10-12 2:09 ` [PATCH v2 18/22] drm/msm: Drop struct_mutex in free_object() path Rob Clark
2020-10-12 2:09 ` [PATCH v2 19/22] drm/msm: remove msm_gem_free_work Rob Clark
2020-10-12 2:09 ` [PATCH v2 20/22] drm/msm: drop struct_mutex in madvise path Rob Clark
2020-10-12 2:09 ` [PATCH v2 21/22] drm/msm: Drop struct_mutex in shrinker path Rob Clark
2020-10-12 2:09 ` [PATCH v2 22/22] drm/msm: Don't implicit-sync if only a single ring Rob Clark
2020-10-12 14:40 ` Daniel Vetter
2020-10-12 15:07 ` Rob Clark
2020-10-13 11:08 ` Daniel Vetter
2020-10-13 16:15 ` [Freedreno] " Rob Clark
2020-10-15 8:22 ` Daniel Vetter
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