diff options
Diffstat (limited to 'drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c')
-rw-r--r-- | drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c new file mode 100644 index 000000000000..552b4c93d972 --- /dev/null +++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_intr.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* +* Copyright (c) 2016 MediaTek Inc. +* Author: Tiffany Lin <tiffany.lin@mediatek.com> +*/ + +#include <linux/errno.h> +#include <linux/wait.h> + +#include "mtk_vcodec_drv.h" +#include "mtk_vcodec_intr.h" +#include "mtk_vcodec_util.h" + +int mtk_vcodec_wait_for_done_ctx(struct mtk_vcodec_ctx *ctx, + int command, unsigned int timeout_ms, + unsigned int hw_id) +{ + long timeout_jiff, ret; + int status = 0; + + timeout_jiff = msecs_to_jiffies(timeout_ms); + ret = wait_event_interruptible_timeout(ctx->queue[hw_id], + ctx->int_cond[hw_id], + timeout_jiff); + + if (!ret) { + status = -1; /* timeout */ + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec timeout=%ums (%d %d)", + ctx->id, command, ctx->type, timeout_ms, + ctx->int_cond[hw_id], ctx->int_type[hw_id]); + } else if (-ERESTARTSYS == ret) { + status = -1; + mtk_v4l2_err("[%d] cmd=%d, type=%d, dec inter fail (%d %d)", + ctx->id, command, ctx->type, + ctx->int_cond[hw_id], ctx->int_type[hw_id]); + } + + ctx->int_cond[hw_id] = 0; + ctx->int_type[hw_id] = 0; + + return status; +} +EXPORT_SYMBOL(mtk_vcodec_wait_for_done_ctx); |