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msm: camera: sync: Add support for synx objects

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Add support to create, release, signal and import a synx object
using the existing generic fence operations. Handle signaling of
underlying synx object when a sync object is signaled & vice versa.

CRs-Fixed: 3317280
Change-Id: Ia6fac6eb732ed7091ec62f04875bdb30d88c8676
Signed-off-by: Petar Nedev <quic_pnedev@quicinc.com>
This commit is contained in:
Petar Nedev
2022-10-07 08:06:30 -07:00
committed by Camera Software Integration
parent c5035ff7d8
commit f22f48c91f
8 changed files with 1629 additions and 32 deletions
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16
drivers/cam_sync/cam_sync_util.c
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@@ -149,7 +149,8 @@ clean_children_info:
}
int cam_sync_deinit_object(struct sync_table_row *table, uint32_t idx,
struct cam_sync_check_for_dma_release *check_for_dma_release)
struct cam_sync_check_for_dma_release *check_for_dma_release,
struct cam_sync_check_for_synx_release *check_for_synx_release)
{
struct sync_table_row *row = table + idx;
struct sync_child_info *child_info, *temp_child;
@@ -296,6 +297,19 @@ int cam_sync_deinit_object(struct sync_table_row *table, uint32_t idx,
}
}
/* Check if same synx obj is being released with the sync obj */
if (test_bit(CAM_GENERIC_FENCE_TYPE_SYNX_OBJ, &row->ext_fence_mask)) {
if (check_for_synx_release) {
if (row->synx_obj_info.synx_obj ==
check_for_synx_release->synx_obj) {
check_for_synx_release->synx_obj_row_idx =
row->synx_obj_info.synx_obj_row_idx;
check_for_synx_release->sync_created_with_synx =
row->synx_obj_info.sync_created_with_synx;
}
}
}
memset(row, 0, sizeof(*row));
clear_bit(idx, sync_dev->bitmap);
INIT_LIST_HEAD(&row->callback_list);