Returning the exclusive fence separately is no longer used.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/dma-buf/dma-resv.c | 43 +++++++-------------
drivers/dma-buf/st-dma-resv.c | 26 +++---------
drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 4 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c | 2 +-
drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 3 +-
include/linux/dma-resv.h | 4 +-
6 files changed, 26 insertions(+), 56 deletions(-)
diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c
index 64d4f95778c4..fb02860312fc 100644
--- a/drivers/dma-buf/dma-resv.c
+++ b/drivers/dma-buf/dma-resv.c
@@ -561,26 +561,21 @@ EXPORT_SYMBOL(dma_resv_copy_fences);
* dma_resv_get_fences - Get an object's shared and exclusive
* fences without update side lock held
* @obj: the reservation object
- * @fence_excl: the returned exclusive fence (or NULL)
- * @shared_count: the number of shared fences returned
- * @shared: the array of shared fence ptrs returned (array is krealloc'd to
- * the required size, and must be freed by caller)
+ * @num_fences: the number of fences returned
+ * @fences: the array of fence ptrs returned (array is krealloc'd to the
+ * required size, and must be freed by caller)
*
- * Retrieve all fences from the reservation object. If the pointer for the
- * exclusive fence is not specified the fence is put into the array of the
- * shared fences as well. Returns either zero or -ENOMEM.
+ * Retrieve all fences from the reservation object.
+ * Returns either zero or -ENOMEM.
*/
-int dma_resv_get_fences(struct dma_resv *obj, struct dma_fence **fence_excl,
- unsigned int *shared_count, struct dma_fence ***shared)
+int dma_resv_get_fences(struct dma_resv *obj, unsigned int *num_fences,
+ struct dma_fence ***fences)
{
struct dma_resv_iter cursor;
struct dma_fence *fence;
- *shared_count = 0;
- *shared = NULL;
-
- if (fence_excl)
- *fence_excl = NULL;
+ *num_fences = 0;
+ *fences = NULL;
dma_resv_iter_begin(&cursor, obj, true);
dma_resv_for_each_fence_unlocked(&cursor, fence) {
@@ -588,30 +583,22 @@ int dma_resv_get_fences(struct dma_resv *obj, struct dma_fence **fence_excl,
if (dma_resv_iter_is_restarted(&cursor)) {
unsigned int count;
- while (*shared_count)
- dma_fence_put((*shared)[--(*shared_count)]);
-
- if (fence_excl)
- dma_fence_put(*fence_excl);
+ while (*num_fences)
+ dma_fence_put((*fences)[--(*num_fences)]);
- count = cursor.shared_count;
- count += fence_excl ? 0 : 1;
+ count = cursor.shared_count + 1;
/* Eventually re-allocate the array */
- *shared = krealloc_array(*shared, count,
+ *fences = krealloc_array(*fences, count,
sizeof(void *),
GFP_KERNEL);
- if (count && !*shared) {
+ if (count && !*fences) {
dma_resv_iter_end(&cursor);
return -ENOMEM;
}
}
- dma_fence_get(fence);
- if (dma_resv_iter_is_exclusive(&cursor) && fence_excl)
- *fence_excl = fence;
- else
- (*shared)[(*shared_count)++] = fence;
+ (*fences)[(*num_fences)++] = dma_fence_get(fence);
}
dma_resv_iter_end(&cursor);
diff --git a/drivers/dma-buf/st-dma-resv.c b/drivers/dma-buf/st-dma-resv.c
index bc32b3eedcb6..fd742a60f7e0 100644
--- a/drivers/dma-buf/st-dma-resv.c
+++ b/drivers/dma-buf/st-dma-resv.c
@@ -275,7 +275,7 @@ static int test_shared_for_each_unlocked(void *arg)
static int test_get_fences(void *arg, bool shared)
{
- struct dma_fence *f, *excl = NULL, **fences = NULL;
+ struct dma_fence *f, **fences = NULL;
struct dma_resv resv;
int r, i;
@@ -304,35 +304,19 @@ static int test_get_fences(void *arg, bool shared)
}
dma_resv_unlock(&resv);
- r = dma_resv_get_fences(&resv, &excl, &i, &fences);
+ r = dma_resv_get_fences(&resv, &i, &fences);
if (r) {
pr_err("get_fences failed\n");
goto err_free;
}
- if (shared) {
- if (excl != NULL) {
- pr_err("get_fences returned unexpected excl fence\n");
- goto err_free;
- }
- if (i != 1 || fences[0] != f) {
- pr_err("get_fences returned unexpected shared fence\n");
- goto err_free;
- }
- } else {
- if (excl != f) {
- pr_err("get_fences returned unexpected excl fence\n");
- goto err_free;
- }
- if (i != 0) {
- pr_err("get_fences returned unexpected shared fence\n");
- goto err_free;
- }
+ if (i != 1 || fences[0] != f) {
+ pr_err("get_fences returned unexpected fence\n");
+ goto err_free;
}
dma_fence_signal(f);
err_free:
- dma_fence_put(excl);
while (i--)
dma_fence_put(fences[i]);
kfree(fences);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 68108f151dad..b8cf3740dd28 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -200,8 +200,8 @@ int amdgpu_display_crtc_page_flip_target(struct drm_crtc *crtc,
goto unpin;
}
- r = dma_resv_get_fences(new_abo->tbo.base.resv, NULL,
- &work->shared_count, &work->shared);
+ r = dma_resv_get_fences(new_abo->tbo.base.resv, &work->shared_count,
+ &work->shared);
if (unlikely(r != 0)) {
DRM_ERROR("failed to get fences for buffer\n");
goto unpin;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
index b7fb72bff2c1..4500d6b4fcd3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
@@ -112,7 +112,7 @@ void amdgpu_pasid_free_delayed(struct dma_resv *resv,
unsigned count;
int r;
- r = dma_resv_get_fences(resv, NULL, &count, &fences);
+ r = dma_resv_get_fences(resv, &count, &fences);
if (r)
goto fallback;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index b5e8ce86dbe7..982bd7135a66 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -189,8 +189,7 @@ static int submit_fence_sync(struct etnaviv_gem_submit *submit)
continue;
if (bo->flags & ETNA_SUBMIT_BO_WRITE) {
- ret = dma_resv_get_fences(robj, NULL,
- &bo->nr_shared,
+ ret = dma_resv_get_fences(robj, &bo->nr_shared,
&bo->shared);
if (ret)
return ret;
diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h
index e0558429a5ee..cde0147e8830 100644
--- a/include/linux/dma-resv.h
+++ b/include/linux/dma-resv.h
@@ -459,8 +459,8 @@ int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences);
void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence);
void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence);
void dma_resv_prune_unlocked(struct dma_resv *obj);
-int dma_resv_get_fences(struct dma_resv *obj, struct dma_fence **pfence_excl,
- unsigned *pshared_count, struct dma_fence ***pshared);
+int dma_resv_get_fences(struct dma_resv *obj, unsigned int *num_fences,
+ struct dma_fence ***fences);
int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src);
long dma_resv_wait_timeout(struct dma_resv *obj, bool wait_all, bool intr,
unsigned long timeout);
--
2.25.1
