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media: amphion: initiate a drain of the capture queue in dynamic resolution change 

[ Upstream commit 076b6289b2 ]

The last buffer from before the change must be marked
with the V4L2_BUF_FLAG_LAST flag,
similarly to the Drain sequence above.

initiate a drain of the capture queue in dynamic resolution change

Fixes: 6de8d628df ("media: amphion: add v4l2 m2m vpu decoder stateful driver")
Signed-off-by: Ming Qian <ming.qian@nxp.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ming Qian 2023-05-06 16:47:35 +08:00 committed by Greg Kroah-Hartman
parent c0d500726c
commit cb8e8950d7
4 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/media/platform/amphion/vdec.c
View File

@ -229,6 +229,7 @@ static void vdec_handle_resolution_change(struct vpu_inst *inst)
vdec->source_change--;
vpu_notify_source_change(inst);
vpu_set_last_buffer_dequeued(inst, false);
}
static int vdec_update_state(struct vpu_inst *inst, enum vpu_codec_state state, u32 force)
@ -264,7 +265,7 @@ static void vdec_set_last_buffer_dequeued(struct vpu_inst *inst)
return;
if (vdec->eos_received) {
if (!vpu_set_last_buffer_dequeued(inst)) {
if (!vpu_set_last_buffer_dequeued(inst, true)) {
vdec->eos_received--;
vdec_update_state(inst, VPU_CODEC_STATE_DRAIN, 0);
}
@ -517,7 +518,7 @@ static int vdec_drain(struct vpu_inst *inst)
return 0;
if (!vdec->params.frame_count) {
vpu_set_last_buffer_dequeued(inst);
vpu_set_last_buffer_dequeued(inst, true);
return 0;
}
@ -556,7 +557,7 @@ static int vdec_cmd_stop(struct vpu_inst *inst)
vpu_trace(inst->dev, "[%d]\n", inst->id);
if (inst->state == VPU_CODEC_STATE_DEINIT) {
vpu_set_last_buffer_dequeued(inst);
vpu_set_last_buffer_dequeued(inst, true);
} else {
vdec->drain = 1;
vdec_drain(inst);

4
drivers/media/platform/amphion/venc.c
View File

@ -468,7 +468,7 @@ static int venc_encoder_cmd(struct file *file, void *fh, struct v4l2_encoder_cmd
vpu_inst_lock(inst);
if (cmd->cmd == V4L2_ENC_CMD_STOP) {
if (inst->state == VPU_CODEC_STATE_DEINIT)
vpu_set_last_buffer_dequeued(inst);
vpu_set_last_buffer_dequeued(inst, true);
else
venc_request_eos(inst);
}
@ -888,7 +888,7 @@ static void venc_set_last_buffer_dequeued(struct vpu_inst *inst)
struct venc_t *venc = inst->priv;
if (venc->stopped && list_empty(&venc->frames))
vpu_set_last_buffer_dequeued(inst);
vpu_set_last_buffer_dequeued(inst, true);
}
static void venc_stop_done(struct vpu_inst *inst)

5
drivers/media/platform/amphion/vpu_v4l2.c
View File

@ -100,7 +100,7 @@ int vpu_notify_source_change(struct vpu_inst *inst)
return 0;
}
int vpu_set_last_buffer_dequeued(struct vpu_inst *inst)
int vpu_set_last_buffer_dequeued(struct vpu_inst *inst, bool eos)
{
struct vb2_queue *q;
@ -116,7 +116,8 @@ int vpu_set_last_buffer_dequeued(struct vpu_inst *inst)
vpu_trace(inst->dev, "last buffer dequeued\n");
q->last_buffer_dequeued = true;
wake_up(&q->done_wq);
vpu_notify_eos(inst);
if (eos)
vpu_notify_eos(inst);
return 0;
}

2
drivers/media/platform/amphion/vpu_v4l2.h
View File

@ -26,7 +26,7 @@ struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32
void vpu_v4l2_set_error(struct vpu_inst *inst);
int vpu_notify_eos(struct vpu_inst *inst);
int vpu_notify_source_change(struct vpu_inst *inst);
int vpu_set_last_buffer_dequeued(struct vpu_inst *inst);
int vpu_set_last_buffer_dequeued(struct vpu_inst *inst, bool eos);
void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state);
int vpu_get_num_buffers(struct vpu_inst *inst, u32 type);
bool vpu_is_source_empty(struct vpu_inst *inst);