diff options
| -rw-r--r-- | drivers/media/platform/amphion/vpu_malone.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/media/platform/amphion/vpu_malone.c b/drivers/media/platform/amphion/vpu_malone.c index e07de425ab16..feca7d4220ed 100644 --- a/drivers/media/platform/amphion/vpu_malone.c +++ b/drivers/media/platform/amphion/vpu_malone.c @@ -26,6 +26,10 @@ #include "vpu_imx8q.h" #include "vpu_malone.h" +static bool low_latency; +module_param(low_latency, bool, 0644); +MODULE_PARM_DESC(low_latency, "Set low latency frame flush mode: 0 (disable) or 1 (enable)"); + #define CMD_SIZE 25600 #define MSG_SIZE 25600 #define CODEC_SIZE 0x1000 @@ -1581,7 +1585,15 @@ static int vpu_malone_input_frame_data(struct vpu_malone_str_buffer __iomem *str vpu_malone_update_wptr(str_buf, wptr); - if (disp_imm && !vpu_vb_is_codecconfig(vbuf)) { + /* + * Enable the low latency flush mode if display delay is set to 0 + * or the low latency frame flush mode if it is set to 1. + * The low latency flush mode requires some padding data to be appended to each frame, + * but there must not be any padding data between the sequence header and the frame. + * This module is currently only supported for the H264 and HEVC formats, + * for other formats, vpu_malone_add_scode() will return 0. + */ + if ((disp_imm || low_latency) && !vpu_vb_is_codecconfig(vbuf)) { ret = vpu_malone_add_scode(inst->core->iface, inst->id, &inst->stream_buffer, |