[PATCH 04/15] drm/msm: Small submit cleanup

Rob Clark
2022-06-25T22:55:15Z

Move more initialization into submit_create().

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/msm_gem_submit.c | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index b7c61a99d274..c7819781879c 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -26,6 +26,7 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev,
struct msm_gpu_submitqueue *queue, uint32_t nr_bos,
uint32_t nr_cmds)
{
+ static atomic_t ident = ATOMIC_INIT(0);
struct msm_gem_submit *submit;
uint64_t sz;
int ret;
@@ -52,9 +53,13 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev,
submit->gpu = gpu;
submit->cmd = (void *)&submit->bos[nr_bos];
submit->queue = queue;
+ submit->pid = get_pid(task_pid(current));
submit->ring = gpu->rb[queue->ring_nr];
submit->fault_dumped = false;

+ /* Get a unique identifier for the submission for logging purposes */
+ submit->ident = atomic_inc_return(&ident) - 1;
+
INIT_LIST_HEAD(&submit->node);

return submit;
@@ -718,7 +723,6 @@ static void msm_process_post_deps(struct msm_submit_post_dep *post_deps,
int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
struct drm_file *file)
{
- static atomic_t ident = ATOMIC_INIT(0);
struct msm_drm_private *priv = dev->dev_private;
struct drm_msm_gem_submit *args = data;
struct msm_file_private *ctx = file->driver_priv;
@@ -729,10 +733,9 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
struct msm_submit_post_dep *post_deps = NULL;
struct drm_syncobj **syncobjs_to_reset = NULL;
int out_fence_fd = -1;
- struct pid *pid = get_pid(task_pid(current));
bool has_ww_ticket = false;
unsigned i;
- int ret, submitid;
+ int ret;

if (!gpu)
return -ENXIO;
@@ -764,12 +767,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
if (!queue)
return -ENOENT;

- /* Get a unique identifier for the submission for logging purposes */
- submitid = atomic_inc_return(&ident) - 1;
-
ring = gpu->rb[queue->ring_nr];
- trace_msm_gpu_submit(pid_nr(pid), ring->id, submitid,
- args->nr_bos, args->nr_cmds);

if (args->flags & MSM_SUBMIT_FENCE_FD_OUT) {
out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
@@ -783,13 +781,13 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
if (IS_ERR(submit))
return PTR_ERR(submit);

+ trace_msm_gpu_submit(pid_nr(submit->pid), ring->id, submit->ident,
+ args->nr_bos, args->nr_cmds);
+
ret = mutex_lock_interruptible(&queue->lock);
if (ret)
goto out_post_unlock;

- submit->pid = pid;
- submit->ident = submitid;
-
if (args->flags & MSM_SUBMIT_SUDO)
submit->in_rb = true;

--
2.36.1