Hi Andrzej,
On 08/28/2014 06:07 PM, Andrzej Hajda wrote:
> Since file pointer is preserved in c_node passing it
> as argument in node functions is redundant.
>
> Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
> ---
> drivers/gpu/drm/exynos/exynos_drm_ipp.c | 14 ++++++--------
> 1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
> b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
> index 05f0f4e..fc8bb67 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
> @@ -529,7 +529,6 @@ static int ipp_put_mem_node(struct drm_device *drm_dev,
>
> static struct drm_exynos_ipp_mem_node
> *ipp_get_mem_node(struct drm_device *drm_dev,
> - struct drm_file *file,
> struct drm_exynos_ipp_cmd_node *c_node,
> struct drm_exynos_ipp_queue_buf *qbuf)
> {
> @@ -560,7 +559,7 @@ static struct drm_exynos_ipp_mem_node
> dma_addr_t *addr;
>
> addr = exynos_drm_gem_get_dma_addr(drm_dev,
> - qbuf->handle[i], file);
> + qbuf->handle[i], c_node->filp);
> if (IS_ERR(addr)) {
> DRM_ERROR("failed to get addr.\n");
> ipp_put_mem_node(drm_dev, c_node, m_node);
> @@ -606,7 +605,6 @@ static void ipp_free_event(struct drm_pending_event
> *event)
> }
>
> static int ipp_get_event(struct drm_device *drm_dev,
> - struct drm_file *file,
> struct drm_exynos_ipp_cmd_node *c_node,
> struct drm_exynos_ipp_queue_buf *qbuf)
> {
> @@ -618,7 +616,7 @@ static int ipp_get_event(struct drm_device *drm_dev,
> e = kzalloc(sizeof(*e), GFP_KERNEL);
> if (!e) {
> spin_lock_irqsave(&drm_dev->event_lock, flags);
> - file->event_space += sizeof(e->event);
> + c_node->filp->event_space += sizeof(e->event);
> spin_unlock_irqrestore(&drm_dev->event_lock, flags);
> return -ENOMEM;
> }
> @@ -630,7 +628,7 @@ static int ipp_get_event(struct drm_device *drm_dev,
> e->event.prop_id = qbuf->prop_id;
> e->event.buf_id[EXYNOS_DRM_OPS_DST] = qbuf->buf_id;
> e->base.event = &e->event.base;
> - e->base.file_priv = file;
> + e->base.file_priv = c_node->filp;
> e->base.destroy = ipp_free_event;
> mutex_lock(&c_node->event_lock);
> list_add_tail(&e->base.link, &c_node->event_list);
> @@ -899,7 +897,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev,
> void *data,
> /* find command node */
> c_node = ipp_find_obj(&ctx->prop_idr, &ctx->prop_lock,
> qbuf->prop_id);
> - if (!c_node) {
> + if (!c_node || c_node->filp != file) {
I think this should go to patch 17.
Thanks.
> DRM_ERROR("failed to get command node.\n");
> return -ENODEV;
> }
> @@ -908,7 +906,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev,
> void *data,
> switch (qbuf->buf_type) {
> case IPP_BUF_ENQUEUE:
> /* get memory node */
> - m_node = ipp_get_mem_node(drm_dev, file, c_node, qbuf);
> + m_node = ipp_get_mem_node(drm_dev, c_node, qbuf);
> if (IS_ERR(m_node)) {
> DRM_ERROR("failed to get m_node.\n");
> return PTR_ERR(m_node);
> @@ -921,7 +919,7 @@ int exynos_drm_ipp_queue_buf(struct drm_device *drm_dev,
> void *data,
> */
> if (qbuf->ops_id == EXYNOS_DRM_OPS_DST) {
> /* get event for destination buffer */
> - ret = ipp_get_event(drm_dev, file, c_node, qbuf);
> + ret = ipp_get_event(drm_dev, c_node, qbuf);
> if (ret) {
> DRM_ERROR("failed to get event.\n");
> goto err_clean_node;
>
