Pass the index of the MMU domain in struct msm_file_private instead
of assuming gpu->id throughout the submit path.
Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_drv.c | 2 ++
drivers/gpu/drm/msm/msm_drv.h | 6 +-----
drivers/gpu/drm/msm/msm_gem.h | 1 +
drivers/gpu/drm/msm/msm_gem_submit.c | 12 ++++++++----
drivers/gpu/drm/msm/msm_gpu.c | 3 +--
5 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index b03e785..7b7a2e7 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -507,6 +507,7 @@ static void load_gpu(struct drm_device *dev)
static int msm_open(struct drm_device *dev, struct drm_file *file)
{
+ struct msm_drm_private *priv = dev->dev_private;
struct msm_file_private *ctx;
/* For now, load gpu on open.. to avoid the requirement of having
@@ -518,6 +519,7 @@ static int msm_open(struct drm_device *dev, struct drm_file *file)
if (!ctx)
return -ENOMEM;
+ ctx->aspace = priv->gpu->aspace;
file->driver_priv = ctx;
return 0;
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index e740fa5..bbad6c7 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -58,11 +58,7 @@
#define NUM_DOMAINS 2 /* one for KMS, then one per gpu core (?) */
struct msm_file_private {
- /* currently we don't do anything useful with this.. but when
- * per-context address spaces are supported we'd keep track of
- * the context's page-tables here.
- */
- int dummy;
+ struct msm_gem_address_space *aspace;
};
enum msm_mdp_plane_property {
diff --git a/drivers/gpu/drm/msm/msm_gem.h b/drivers/gpu/drm/msm/msm_gem.h
index c57b54e..74a2e67 100644
--- a/drivers/gpu/drm/msm/msm_gem.h
+++ b/drivers/gpu/drm/msm/msm_gem.h
@@ -116,6 +116,7 @@ static inline bool is_vunmapable(struct msm_gem_object *msm_obj)
struct msm_gem_submit {
struct drm_device *dev;
struct msm_gpu *gpu;
+ struct msm_gem_address_space *aspace;
struct list_head node; /* node in gpu submit_list */
struct list_head bo_list;
struct ww_acquire_ctx ticket;
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index d8021a0..214e6d9 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -31,17 +31,20 @@
#define BO_PINNED 0x2000
static struct msm_gem_submit *submit_create(struct drm_device *dev,
- struct msm_gpu *gpu, int nr_bos, int nr_cmds)
+ struct msm_gpu *gpu, struct msm_gem_address_space *aspace,
+ int nr_bos, int nr_cmds)
{
struct msm_gem_submit *submit;
int sz = sizeof(*submit) + (nr_bos * sizeof(submit->bos[0])) +
(nr_cmds * sizeof(*submit->cmd));
submit = kmalloc(sz, GFP_TEMPORARY | __GFP_NOWARN | __GFP_NORETRY);
+
if (!submit)
return NULL;
submit->dev = dev;
+ submit->aspace = aspace;
submit->gpu = gpu;
submit->fence = NULL;
submit->pid = get_pid(task_pid(current));
@@ -158,7 +161,7 @@ static void submit_unlock_unpin_bo(struct msm_gem_submit *submit, int i)
struct msm_gem_object *msm_obj = submit->bos[i].obj;
if (submit->bos[i].flags & BO_PINNED)
- msm_gem_put_iova(&msm_obj->base, submit->gpu->aspace);
+ msm_gem_put_iova(&msm_obj->base, submit->aspace);
if (submit->bos[i].flags & BO_LOCKED)
ww_mutex_unlock(&msm_obj->resv->lock);
@@ -246,7 +249,7 @@ static int submit_pin_objects(struct msm_gem_submit *submit)
/* if locking succeeded, pin bo: */
ret = msm_gem_get_iova_locked(&msm_obj->base,
- submit->gpu->aspace, &iova);
+ submit->aspace, &iova);
if (ret)
break;
@@ -417,7 +420,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
}
priv->struct_mutex_task = current;
- submit = submit_create(dev, gpu, args->nr_bos, args->nr_cmds);
+ submit = submit_create(dev, gpu, ctx->aspace, args->nr_bos,
+ args->nr_cmds);
if (!submit) {
ret = -ENOMEM;
goto out_unlock;
diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c
index 25de46f..f7f85bd 100644
--- a/drivers/gpu/drm/msm/msm_gpu.c
+++ b/drivers/gpu/drm/msm/msm_gpu.c
@@ -562,8 +562,7 @@ 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_reference(&msm_obj->base);
- msm_gem_get_iova_locked(&msm_obj->base,
- submit->gpu->aspace, &iova);
+ msm_gem_get_iova_locked(&msm_obj->base, submit->aspace, &iova);
if (submit->bos[i].flags & MSM_SUBMIT_BO_WRITE)
msm_gem_move_to_active(&msm_obj->base, gpu, true, submit->fence);
--
1.9.1
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