The only thing function should check is if there are buffers in respective
queues.
Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
---
drivers/gpu/drm/exynos/exynos_drm_ipp.c | 44 ++++++++-------------------------
1 file changed, 10 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 89ff7e3..b7ce14e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -574,42 +574,18 @@ static void ipp_clean_cmd_node(struct ipp_context *ctx,
kfree(c_node);
}
-static int ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node)
+static bool ipp_check_mem_list(struct drm_exynos_ipp_cmd_node *c_node)
{
- struct drm_exynos_ipp_property *property = &c_node->property;
- struct drm_exynos_ipp_mem_node *m_node;
- struct list_head *head;
- int ret, i, count[EXYNOS_DRM_OPS_MAX] = { 0, };
-
- for_each_ipp_ops(i) {
- /* source/destination memory list */
- head = &c_node->mem_list[i];
-
- /* find memory node entry */
- list_for_each_entry(m_node, head, list) {
- DRM_DEBUG_KMS("%s,count[%d]m_node[0x%x]\n",
- i ? "dst" : "src", count[i], (int)m_node);
- count[i]++;
- }
+ switch (c_node->property.cmd) {
+ case IPP_CMD_WB:
+ return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]);
+ case IPP_CMD_OUTPUT:
+ return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]);
+ case IPP_CMD_M2M:
+ default:
+ return !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_SRC]) &&
+ !list_empty(&c_node->mem_list[EXYNOS_DRM_OPS_DST]);
}
-
- DRM_DEBUG_KMS("min[%d]max[%d]\n",
- min(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]),
- max(count[EXYNOS_DRM_OPS_SRC], count[EXYNOS_DRM_OPS_DST]));
-
- /*
- * M2M operations should be need paired memory address.
- * so, need to check minimum count about src, dst.
- * other case not use paired memory, so use maximum count
- */
- if (ipp_is_m2m_cmd(property->cmd))
- ret = min(count[EXYNOS_DRM_OPS_SRC],
- count[EXYNOS_DRM_OPS_DST]);
- else
- ret = max(count[EXYNOS_DRM_OPS_SRC],
- count[EXYNOS_DRM_OPS_DST]);
-
- return ret;
}
static struct drm_exynos_ipp_mem_node
--
1.9.1
--
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