From: Pranjal Ramajor Asha Kanojiya <quic_pkano...@quicinc.com>
->queued field is used to track whether the BO is submitted to hardware for
DMA or not. Since same information can be retrieved using ->xfer_list field
of same structure remove ->queued as it is redundant.
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkano...@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jh...@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jh...@quicinc.com>
---
drivers/accel/qaic/qaic.h | 2 --
drivers/accel/qaic/qaic_data.c | 23 +++++++++++------------
2 files changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/accel/qaic/qaic.h b/drivers/accel/qaic/qaic.h
index 582836f9538f..2b3ef588b717 100644
--- a/drivers/accel/qaic/qaic.h
+++ b/drivers/accel/qaic/qaic.h
@@ -191,8 +191,6 @@ struct qaic_bo {
u32 nr_slice;
/* Number of slice that have been transferred by DMA engine */
u32 nr_slice_xfer_done;
- /* true = BO is queued for execution, true = BO is not queued */
- bool queued;
/*
* If true then user has attached slicing information to this BO by
* calling DRM_IOCTL_QAIC_ATTACH_SLICE_BO ioctl.
diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c
index 0c6f1328df68..89ab8fa19315 100644
--- a/drivers/accel/qaic/qaic_data.c
+++ b/drivers/accel/qaic/qaic_data.c
@@ -141,6 +141,11 @@ struct dbc_rsp {
__le16 status;
} __packed;
+static inline bool bo_queued(struct qaic_bo *bo)
+{
+ return !list_empty(&bo->xfer_list);
+}
+
inline int get_dbc_req_elem_size(void)
{
return sizeof(struct dbc_req);
@@ -648,6 +653,7 @@ static void qaic_init_bo(struct qaic_bo *bo, bool reinit)
}
complete_all(&bo->xfer_done);
INIT_LIST_HEAD(&bo->slices);
+ INIT_LIST_HEAD(&bo->xfer_list);
}
static struct qaic_bo *qaic_alloc_init_bo(void)
@@ -1166,7 +1172,6 @@ static int send_bo_list_to_device(struct qaic_device
*qdev, struct drm_file *fil
struct bo_slice *slice;
unsigned long flags;
struct qaic_bo *bo;
- bool queued;
int i, j;
int ret;
@@ -1198,9 +1203,7 @@ static int send_bo_list_to_device(struct qaic_device
*qdev, struct drm_file *fil
}
spin_lock_irqsave(&dbc->xfer_lock, flags);
- queued = bo->queued;
- bo->queued = true;
- if (queued) {
+ if (bo_queued(bo)) {
spin_unlock_irqrestore(&dbc->xfer_lock, flags);
ret = -EINVAL;
goto unlock_bo;
@@ -1223,7 +1226,6 @@ static int send_bo_list_to_device(struct qaic_device
*qdev, struct drm_file *fil
else
ret = copy_exec_reqs(qdev, slice, dbc->id,
head, tail);
if (ret) {
- bo->queued = false;
spin_unlock_irqrestore(&dbc->xfer_lock, flags);
goto unlock_bo;
}
@@ -1246,8 +1248,7 @@ static int send_bo_list_to_device(struct qaic_device
*qdev, struct drm_file *fil
spin_lock_irqsave(&dbc->xfer_lock, flags);
bo = list_last_entry(&dbc->xfer_list, struct qaic_bo,
xfer_list);
obj = &bo->base;
- bo->queued = false;
- list_del(&bo->xfer_list);
+ list_del_init(&bo->xfer_list);
spin_unlock_irqrestore(&dbc->xfer_lock, flags);
dma_sync_sgtable_for_cpu(&qdev->pdev->dev, bo->sgt, bo->dir);
drm_gem_object_put(obj);
@@ -1608,8 +1609,7 @@ irqreturn_t dbc_irq_threaded_fn(int irq, void *data)
*/
dma_sync_sgtable_for_cpu(&qdev->pdev->dev, bo->sgt,
bo->dir);
bo->nr_slice_xfer_done = 0;
- bo->queued = false;
- list_del(&bo->xfer_list);
+ list_del_init(&bo->xfer_list);
bo->perf_stats.req_processed_ts = ktime_get_ns();
complete_all(&bo->xfer_done);
drm_gem_object_put(&bo->base);
@@ -1868,7 +1868,7 @@ int qaic_detach_slice_bo_ioctl(struct drm_device *dev,
void *data, struct drm_fi
/* Check if BO is committed to H/W for DMA */
spin_lock_irqsave(&dbc->xfer_lock, flags);
- if (bo->queued) {
+ if (bo_queued(bo)) {
spin_unlock_irqrestore(&dbc->xfer_lock, flags);
ret = -EBUSY;
goto unlock_ch_srcu;
@@ -1898,8 +1898,7 @@ static void empty_xfer_list(struct qaic_device *qdev,
struct dma_bridge_chan *db
spin_lock_irqsave(&dbc->xfer_lock, flags);
while (!list_empty(&dbc->xfer_list)) {
bo = list_first_entry(&dbc->xfer_list, typeof(*bo), xfer_list);
- bo->queued = false;
- list_del(&bo->xfer_list);
+ list_del_init(&bo->xfer_list);
spin_unlock_irqrestore(&dbc->xfer_lock, flags);
bo->nr_slice_xfer_done = 0;
bo->req_id = 0;
--
2.34.1
