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drm/exynos/ipp: simplify memory check function 

The only thing function should check is if there are buffers in respective
queues.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Andrzej Hajda 2014-07-03 15:10:32 +02:00 committed by Inki Dae
parent 187d5edf1e
commit fb5ee01cfd
1 changed files with 10 additions and 34 deletions
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44
drivers/gpu/drm/exynos/exynos_drm_ipp.c
View File

@ -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