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gpu: nvgpu: use nvgpu list for buffer states

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Use nvgpu list APIs instead of linux list APIs
for to store buffer states in gk20a_dmabuf_priv.

Jira NVGPU-13

Change-Id: I9666b2435804b132bb86bb74c0b20590749b153f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1454689
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
This commit is contained in:
Deepak Nibade
2017-04-04 13:47:07 +05:30
committed by mobile promotions
parent 3429657f93
commit db2ee5c127
2 changed files with 16 additions and 8 deletions
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15
drivers/gpu/nvgpu/gk20a/mm_gk20a.c
View File

@@ -163,7 +163,7 @@ struct gk20a_dmabuf_priv {
int pin_count;
struct list_head states;
struct nvgpu_list_node states;
u64 buffer_id;
};
@@ -232,9 +232,10 @@ static void gk20a_mm_delete_priv(void *_priv)
}
/* Free buffer states */
list_for_each_entry_safe(s, s_tmp, &priv->states, list) {
nvgpu_list_for_each_entry_safe(s, s_tmp, &priv->states,
gk20a_buffer_state, list) {
gk20a_fence_put(s->fence);
list_del(&s->list);
nvgpu_list_del(&s->list);
nvgpu_kfree(g, s);
}
@@ -4067,7 +4068,7 @@ int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev)
}
nvgpu_mutex_init(&priv->lock);
INIT_LIST_HEAD(&priv->states);
nvgpu_init_list_node(&priv->states);
priv->buffer_id = ++priv_count;
priv->g = g;
dma_buf_set_drvdata(dmabuf, dev, priv, gk20a_mm_delete_priv);
@@ -4101,7 +4102,7 @@ int gk20a_dmabuf_get_state(struct dma_buf *dmabuf, struct device *dev,
nvgpu_mutex_acquire(&priv->lock);
list_for_each_entry(s, &priv->states, list)
nvgpu_list_for_each_entry(s, &priv->states, gk20a_buffer_state, list)
if (s->offset == offset)
goto out;
@@ -4113,9 +4114,9 @@ int gk20a_dmabuf_get_state(struct dma_buf *dmabuf, struct device *dev,
}
s->offset = offset;
INIT_LIST_HEAD(&s->list);
nvgpu_init_list_node(&s->list);
nvgpu_mutex_init(&s->lock);
list_add_tail(&s->list, &priv->states);
nvgpu_list_add_tail(&s->list, &priv->states);
out:
nvgpu_mutex_release(&priv->lock);

9
drivers/gpu/nvgpu/gk20a/mm_gk20a.h
View File

@@ -87,7 +87,7 @@ struct compbit_store_desc {
};
struct gk20a_buffer_state {
struct list_head list;
struct nvgpu_list_node list;
/* The valid compbits and the fence must be changed atomically. */
struct nvgpu_mutex lock;
@@ -108,6 +108,13 @@ struct gk20a_buffer_state {
struct gk20a_fence *fence;
};
static inline struct gk20a_buffer_state *
gk20a_buffer_state_from_list(struct nvgpu_list_node *node)
{
return (struct gk20a_buffer_state *)
((uintptr_t)node - offsetof(struct gk20a_buffer_state, list));
};
enum gmmu_pgsz_gk20a {
gmmu_page_size_small = 0,
gmmu_page_size_big = 1,