Hi guys,
just two minor cleanups related to the new DMA-buf iterators. Can I get an rb or ack-by for that?
Thanks, Christian.
Instead of hand rolling the logic.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/etnaviv/etnaviv_gem.c | 31 ++++++++++----------------- 1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 8f1b5af47dd6..0eeb33de2ff4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -428,19 +428,17 @@ int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, static void etnaviv_gem_describe_fence(struct dma_fence *fence, const char *type, struct seq_file *m) { - if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) - seq_printf(m, "\t%9s: %s %s seq %llu\n", - type, - fence->ops->get_driver_name(fence), - fence->ops->get_timeline_name(fence), - fence->seqno); + seq_printf(m, "\t%9s: %s %s seq %llu\n", type, + fence->ops->get_driver_name(fence), + fence->ops->get_timeline_name(fence), + fence->seqno); }
static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct dma_resv *robj = obj->resv; - struct dma_resv_list *fobj; + struct dma_resv_iter cursor; struct dma_fence *fence; unsigned long off = drm_vma_node_start(&obj->vma_node);
@@ -449,21 +447,14 @@ static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) obj->name, kref_read(&obj->refcount), off, etnaviv_obj->vaddr, obj->size);
- rcu_read_lock(); - fobj = dma_resv_shared_list(robj); - if (fobj) { - unsigned int i, shared_count = fobj->shared_count; - - for (i = 0; i < shared_count; i++) { - fence = rcu_dereference(fobj->shared[i]); + dma_resv_iter_begin(&cursor, robj, true); + dma_resv_for_each_fence_unlocked(&cursor, fence) { + if (dma_resv_iter_is_exclusive(&cursor)) + etnaviv_gem_describe_fence(fence, "Exclusive", m); + else etnaviv_gem_describe_fence(fence, "Shared", m); - } } - - fence = dma_resv_excl_fence(robj); - if (fence) - etnaviv_gem_describe_fence(fence, "Exclusive", m); - rcu_read_unlock(); + dma_resv_iter_end(&cursor); }
void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
LGTM, Acked-by: Nirmoy Das nirmoy.das@amd.com for the series.
On 10/25/2021 10:05 AM, Christian König wrote:
Instead of hand rolling the logic.
Signed-off-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 31 ++++++++++----------------- 1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 8f1b5af47dd6..0eeb33de2ff4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -428,19 +428,17 @@ int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, static void etnaviv_gem_describe_fence(struct dma_fence *fence, const char *type, struct seq_file *m) {
- if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
seq_printf(m, "\t%9s: %s %s seq %llu\n",
type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
seq_printf(m, "\t%9s: %s %s seq %llu\n", type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
}
static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct dma_resv *robj = obj->resv;
- struct dma_resv_list *fobj;
- struct dma_resv_iter cursor; struct dma_fence *fence; unsigned long off = drm_vma_node_start(&obj->vma_node);
@@ -449,21 +447,14 @@ static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) obj->name, kref_read(&obj->refcount), off, etnaviv_obj->vaddr, obj->size);
- rcu_read_lock();
- fobj = dma_resv_shared_list(robj);
- if (fobj) {
unsigned int i, shared_count = fobj->shared_count;
for (i = 0; i < shared_count; i++) {
fence = rcu_dereference(fobj->shared[i]);
- dma_resv_iter_begin(&cursor, robj, true);
- dma_resv_for_each_fence_unlocked(&cursor, fence) {
if (dma_resv_iter_is_exclusive(&cursor))
etnaviv_gem_describe_fence(fence, "Exclusive", m);
else etnaviv_gem_describe_fence(fence, "Shared", m);
}}
- fence = dma_resv_excl_fence(robj);
- if (fence)
etnaviv_gem_describe_fence(fence, "Exclusive", m);
- rcu_read_unlock();
dma_resv_iter_end(&cursor); }
void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
Am Montag, dem 25.10.2021 um 10:05 +0200 schrieb Christian König:
Instead of hand rolling the logic.
Signed-off-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 31 ++++++++++----------------- 1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 8f1b5af47dd6..0eeb33de2ff4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -428,19 +428,17 @@ int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, static void etnaviv_gem_describe_fence(struct dma_fence *fence, const char *type, struct seq_file *m) {
- if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
seq_printf(m, "\t%9s: %s %s seq %llu\n",
type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
- seq_printf(m, "\t%9s: %s %s seq %llu\n", type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
Please just move this in the function below, it seems pretty pointless now to have a separate function just to wrap the printf.
Other than this nit, both patches are: Reviewed-by: Lucas Stach l.stach@pengutronix.de
}
static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct dma_resv *robj = obj->resv;
- struct dma_resv_list *fobj;
- struct dma_resv_iter cursor; struct dma_fence *fence; unsigned long off = drm_vma_node_start(&obj->vma_node);
@@ -449,21 +447,14 @@ static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) obj->name, kref_read(&obj->refcount), off, etnaviv_obj->vaddr, obj->size);
- rcu_read_lock();
- fobj = dma_resv_shared_list(robj);
- if (fobj) {
unsigned int i, shared_count = fobj->shared_count;
for (i = 0; i < shared_count; i++) {
fence = rcu_dereference(fobj->shared[i]);
- dma_resv_iter_begin(&cursor, robj, true);
- dma_resv_for_each_fence_unlocked(&cursor, fence) {
if (dma_resv_iter_is_exclusive(&cursor))
etnaviv_gem_describe_fence(fence, "Exclusive", m);
else etnaviv_gem_describe_fence(fence, "Shared", m);
}}
- fence = dma_resv_excl_fence(robj);
- if (fence)
etnaviv_gem_describe_fence(fence, "Exclusive", m);
- rcu_read_unlock();
- dma_resv_iter_end(&cursor);
}
void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
Am 28.10.21 um 12:02 schrieb Lucas Stach:
Am Montag, dem 25.10.2021 um 10:05 +0200 schrieb Christian König:
Instead of hand rolling the logic.
Signed-off-by: Christian König christian.koenig@amd.com
drivers/gpu/drm/etnaviv/etnaviv_gem.c | 31 ++++++++++----------------- 1 file changed, 11 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c index 8f1b5af47dd6..0eeb33de2ff4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c @@ -428,19 +428,17 @@ int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, static void etnaviv_gem_describe_fence(struct dma_fence *fence, const char *type, struct seq_file *m) {
- if (!test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
seq_printf(m, "\t%9s: %s %s seq %llu\n",
type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
- seq_printf(m, "\t%9s: %s %s seq %llu\n", type,
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
fence->seqno);
Please just move this in the function below, it seems pretty pointless now to have a separate function just to wrap the printf.
Good point, but I've already gone ahead and pushed this to drm-misc-next because I wanted to get the follow up stuff out of the door.
See the mailing lists for the next set of patches which also contains "[PATCH 3/4] drm/etnaviv: use dma_resv_describe".
That one provides an unified function in the dma_resv and dma_fence code for debugfs dumps of fences.
Can we get that one reviewed and upstream? I think it would be even cleaner :)
Thank a lot in advantage, Christian.
Other than this nit, both patches are: Reviewed-by: Lucas Stach l.stach@pengutronix.de
}
static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) { struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj); struct dma_resv *robj = obj->resv;
- struct dma_resv_list *fobj;
- struct dma_resv_iter cursor; struct dma_fence *fence; unsigned long off = drm_vma_node_start(&obj->vma_node);
@@ -449,21 +447,14 @@ static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m) obj->name, kref_read(&obj->refcount), off, etnaviv_obj->vaddr, obj->size);
- rcu_read_lock();
- fobj = dma_resv_shared_list(robj);
- if (fobj) {
unsigned int i, shared_count = fobj->shared_count;
for (i = 0; i < shared_count; i++) {
fence = rcu_dereference(fobj->shared[i]);
- dma_resv_iter_begin(&cursor, robj, true);
- dma_resv_for_each_fence_unlocked(&cursor, fence) {
if (dma_resv_iter_is_exclusive(&cursor))
etnaviv_gem_describe_fence(fence, "Exclusive", m);
else etnaviv_gem_describe_fence(fence, "Shared", m);
}}
- fence = dma_resv_excl_fence(robj);
- if (fence)
etnaviv_gem_describe_fence(fence, "Exclusive", m);
- rcu_read_unlock();
dma_resv_iter_end(&cursor); }
void etnaviv_gem_describe_objects(struct etnaviv_drm_private *priv,
We certainly hold the reservation lock here, no need for the RCU dance.
Signed-off-by: Christian König christian.koenig@amd.com --- drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 4dd7d9d541c0..7e17bc2b5df1 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -195,7 +195,7 @@ static int submit_fence_sync(struct etnaviv_gem_submit *submit) if (ret) return ret; } else { - bo->excl = dma_resv_get_excl_unlocked(robj); + bo->excl = dma_fence_get(dma_resv_excl_fence(robj)); }
}
Just a gentle ping on those two.
The changes are straight forward and I just need an ack.
Adding Daniel, maybe he has a minute :)
Cheers, Christian.
Am 25.10.21 um 10:05 schrieb Christian König:
Hi guys,
just two minor cleanups related to the new DMA-buf iterators. Can I get an rb or ack-by for that?
Thanks, Christian.
dri-devel@lists.freedesktop.org