The request status of output queue will be set to MEDIA_REQUEST_STATE_COMPLETE when user space dequeue output buffer. Then calling v4l2_ctrl_request_complete will get below warning, need to call v4l2_ctrl_request_complete before v4l2_m2m_buf_done. Workqueue: core-decoder vdec_msg_queue_core_work [mtk_vcodec_dec] pstate: 80c00089 (Nzcv daIf +PAN +UAO -TCO BTYPE=--) pc : media_request_object_bind+0xa8/0x124 lr : media_request_object_bind+0x50/0x124 sp : ffffffc011393be0 x29: ffffffc011393be0 x28: 0000000000000000 x27: ffffff890c280248 x26: ffffffe21a71ab88 x25: 0000000000000000 x24: ffffff890c280280 x23: ffffff890c280280 x22: 00000000fffffff0 x21: 0000000000000000 x20: ffffff890260d280 x19: ffffff890260d2e8 x18: 0000000000001000 x17: 0000000000000400 x16: ffffffe21a4584a0 x15: 000000000053361d x14: 0000000000000018 x13: 0000000000000004 x12: ffffffa82427d000 x11: ffffffe21ac3fce0 x10: 0000000000000001 x9 : 0000000000000000 x8 : 0000000000000003 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffff89052e7b98 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: media_request_object_bind+0xa8/0x124 v4l2_ctrl_request_bind+0xc4/0x168 v4l2_ctrl_request_complete+0x198/0x1f4 mtk_vdec_stateless_cap_to_disp+0x58/0x8c [mtk_vcodec_dec 245a7c1e48ff1b2451a50e1dfcb174262b6b462c] vdec_vp9_slice_core_decode+0x1c0/0x268 [mtk_vcodec_dec 245a7c1e48ff1b2451a50e1dfcb174262b6b462c] vdec_msg_queue_core_work+0x60/0x11c [mtk_vcodec_dec 245a7c1e48ff1b2451a50e1dfcb174262b6b462c] process_one_work+0x140/0x480 worker_thread+0x12c/0x2f8 kthread+0x13c/0x1d8 ret_from_fork+0x10/0x30 'Fixes: 7b182b8d9c852 ("media: mediatek: vcodec: Refactor get and put capture buffer flow")' Signed-off-by: Yunfei Dong <yunfei.dong@xxxxxxxxxxxx> --- .../mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h | 3 ++- .../vcodec/decoder/mtk_vcodec_dec_stateless.c | 12 +++++++----- .../vcodec/decoder/vdec/vdec_av1_req_lat_if.c | 7 +++++-- .../vcodec/decoder/vdec/vdec_h264_req_multi_if.c | 3 ++- .../vcodec/decoder/vdec/vdec_hevc_req_multi_if.c | 3 ++- .../vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 6 ++++-- .../mediatek/vcodec/decoder/vdec_msg_queue.h | 2 ++ 7 files changed, 24 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h index 849b89dd205c..3f5b625330bc 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.h @@ -111,7 +111,8 @@ struct mtk_vcodec_dec_pdata { int (*flush_decoder)(struct mtk_vcodec_dec_ctx *ctx); struct vdec_fb *(*get_cap_buffer)(struct mtk_vcodec_dec_ctx *ctx); void (*cap_to_disp)(struct mtk_vcodec_dec_ctx *ctx, int error, - struct media_request *src_buf_req); + struct media_request *src_buf_req, + struct vb2_v4l2_buffer *vb2_v4l2_src); const struct vb2_ops *vdec_vb2_ops; diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c index d54b3833790d..2efa34b6750b 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c @@ -245,7 +245,8 @@ static const struct v4l2_frmsize_stepwise stepwise_fhd = { }; static void mtk_vdec_stateless_cap_to_disp(struct mtk_vcodec_dec_ctx *ctx, int error, - struct media_request *src_buf_req) + struct media_request *src_buf_req, + struct vb2_v4l2_buffer *vb2_v4l2_src) { struct vb2_v4l2_buffer *vb2_dst; enum vb2_buffer_state state; @@ -266,6 +267,9 @@ static void mtk_vdec_stateless_cap_to_disp(struct mtk_vcodec_dec_ctx *ctx, int e if (src_buf_req) v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl); + + if (vb2_v4l2_src) + v4l2_m2m_buf_done(vb2_v4l2_src, state); } static struct vdec_fb *vdec_get_cap_buffer(struct mtk_vcodec_dec_ctx *ctx) @@ -374,14 +378,12 @@ static void mtk_vdec_worker(struct work_struct *work) state = ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE; if (!IS_VDEC_LAT_ARCH(dev->vdec_pdata->hw_arch) || ctx->current_codec == V4L2_PIX_FMT_VP8_FRAME) { - v4l2_m2m_buf_done_and_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx, state); if (src_buf_req) v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl); + v4l2_m2m_buf_done_and_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx, state); } else { - if (ret != -EAGAIN) { + if (ret != -EAGAIN) v4l2_m2m_src_buf_remove(ctx->m2m_ctx); - v4l2_m2m_buf_done(vb2_v4l2_src, state); - } v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx); } } diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c index 2b6a5adbc419..f277b907c345 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c @@ -1064,6 +1064,8 @@ static int vdec_av1_slice_setup_lat_from_src_buf(struct vdec_av1_slice_instance return -EINVAL; lat_buf->src_buf_req = src->vb2_buf.req_obj.req; + lat_buf->vb2_v4l2_src = src; + dst = &lat_buf->ts_info; v4l2_m2m_buf_copy_metadata(src, dst, true); vsi->frame.cur_ts = dst->vb2_buf.timestamp; @@ -2187,7 +2189,7 @@ static int vdec_av1_slice_core_decode(struct vdec_lat_buf *lat_buf) &instance->core_vsi->trans.dma_addr_end); vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, instance->core_vsi->trans.dma_addr_end); - ctx->dev->vdec_pdata->cap_to_disp(ctx, 0, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, 0, lat_buf->src_buf_req, lat_buf->vb2_v4l2_src); return 0; @@ -2196,7 +2198,8 @@ static int vdec_av1_slice_core_decode(struct vdec_lat_buf *lat_buf) vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, pfc->vsi.trans.dma_addr_end); if (fb) - ctx->dev->vdec_pdata->cap_to_disp(ctx, 1, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, 1, lat_buf->src_buf_req, + lat_buf->vb2_v4l2_src); return ret; } diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c index 0e741e0dc8ba..7033999018ca 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_h264_req_multi_if.c @@ -533,7 +533,7 @@ static int vdec_h264_slice_core_decode(struct vdec_lat_buf *lat_buf) vdec_dec_end: vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans_end); - ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req, lat_buf->vb2_v4l2_src); mtk_vdec_debug(ctx, "core decode done err=%d", err); ctx->decoded_frame_cnt++; return 0; @@ -606,6 +606,7 @@ static int vdec_h264_slice_lat_decode(void *h_vdec, struct mtk_vcodec_mem *bs, inst->vsi->dec.nal_info = buf[nal_start_idx]; lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req; + lat_buf->vb2_v4l2_src = &src_buf_info->m2m_buf.vb; v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true); err = vdec_h264_slice_fill_decode_parameters(inst, share_info); diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c index 06ed47df693b..67fe3c4bfac3 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_hevc_req_multi_if.c @@ -742,6 +742,7 @@ static int vdec_hevc_slice_setup_lat_buffer(struct vdec_hevc_slice_inst *inst, src_buf_info = container_of(bs, struct mtk_video_dec_buf, bs_buffer); lat_buf->src_buf_req = src_buf_info->m2m_buf.vb.vb2_buf.req_obj.req; + lat_buf->vb2_v4l2_src = &src_buf_info->m2m_buf.vb; v4l2_m2m_buf_copy_metadata(&src_buf_info->m2m_buf.vb, &lat_buf->ts_info, true); *res_chg = inst->resolution_changed; @@ -961,7 +962,7 @@ static int vdec_hevc_slice_core_decode(struct vdec_lat_buf *lat_buf) vdec_dec_end: vdec_msg_queue_update_ube_rptr(&lat_buf->ctx->msg_queue, share_info->trans.dma_addr_end); - ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, !!err, lat_buf->src_buf_req, lat_buf->vb2_v4l2_src); mtk_vdec_debug(ctx, "core decode done err=%d", err); ctx->decoded_frame_cnt++; return 0; diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c index 69d37b93bd35..a7734d032269 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c @@ -723,6 +723,7 @@ static int vdec_vp9_slice_setup_lat_from_src_buf(struct vdec_vp9_slice_instance return -EINVAL; lat_buf->src_buf_req = src->vb2_buf.req_obj.req; + lat_buf->vb2_v4l2_src = src; dst = &lat_buf->ts_info; v4l2_m2m_buf_copy_metadata(src, dst, true); @@ -2188,7 +2189,7 @@ static int vdec_vp9_slice_core_decode(struct vdec_lat_buf *lat_buf) mtk_vdec_debug(ctx, "core dma_addr_end 0x%lx\n", (unsigned long)pfc->vsi.trans.dma_addr_end); vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, pfc->vsi.trans.dma_addr_end); - ctx->dev->vdec_pdata->cap_to_disp(ctx, 0, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, 0, lat_buf->src_buf_req, lat_buf->vb2_v4l2_src); return 0; @@ -2198,7 +2199,8 @@ static int vdec_vp9_slice_core_decode(struct vdec_lat_buf *lat_buf) vdec_msg_queue_update_ube_rptr(&ctx->msg_queue, pfc->vsi.trans.dma_addr_end); if (fb) - ctx->dev->vdec_pdata->cap_to_disp(ctx, 1, lat_buf->src_buf_req); + ctx->dev->vdec_pdata->cap_to_disp(ctx, 1, lat_buf->src_buf_req, + lat_buf->vb2_v4l2_src); } return ret; } diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_msg_queue.h b/drivers/media/platform/mediatek/vcodec/decoder/vdec_msg_queue.h index 1d9beb9e4a14..b0f2443d186f 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec_msg_queue.h +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_msg_queue.h @@ -55,6 +55,7 @@ struct vdec_msg_queue_ctx { * @rd_mv_addr: mv addr for av1 lat hardware output, core hardware input * @tile_addr: tile buffer for av1 core input * @ts_info: need to set timestamp from output to capture + * @vb2_v4l2_src: the vb2 buffer of output queue * @src_buf_req: output buffer media request object * * @private_data: shared information used to lat and core hardware @@ -71,6 +72,7 @@ struct vdec_lat_buf { struct mtk_vcodec_mem rd_mv_addr; struct mtk_vcodec_mem tile_addr; struct vb2_v4l2_buffer ts_info; + struct vb2_v4l2_buffer *vb2_v4l2_src; struct media_request *src_buf_req; void *private_data; -- 2.18.0