Commit 73664f10 authored by Vikash Garodia's avatar Vikash Garodia Committed by Mauro Carvalho Chehab
Browse files

media: venus: do not queue internal buffers from previous sequence 



During reconfig (DRC) event from firmware, it is not guaranteed that
all the DPB(internal) buffers would be released by the firmware. Some
buffers might be released gradually while processing frames from the
new sequence. These buffers now stay idle in the dpblist.
In subsequent call to queue the DPBs to firmware, these idle buffers
should not be queued. The fix identifies those buffers and free them.

Signed-off-by: default avatarVikash Garodia <quic_vgarodia@quicinc.com>
Tested-by: default avatarFritz Koenig <frkoenig@chromium.org>
Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 86594f6a

drivers/media/platform/qcom/venus/helpers.c

+25 −9
Original line number Diff line number Diff line
@@ -90,12 +90,28 @@ bool venus_helper_check_codec(struct venus_inst *inst, u32 v4l2_pixfmt) 
}

EXPORT_SYMBOL_GPL(venus_helper_check_codec);



static void free_dpb_buf(struct venus_inst *inst, struct intbuf *buf)

{

	ida_free(&inst->dpb_ids, buf->dpb_out_tag);



	list_del_init(&buf->list);

	dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,

		       buf->attrs);

	kfree(buf);

}



int venus_helper_queue_dpb_bufs(struct venus_inst *inst)

{

	struct intbuf *buf;

	struct intbuf *buf, *next;

	unsigned int dpb_size = 0;

	int ret = 0;



	list_for_each_entry(buf, &inst->dpbbufs, list) {

	if (inst->dpb_buftype == HFI_BUFFER_OUTPUT)

		dpb_size = inst->output_buf_size;

	else if (inst->dpb_buftype == HFI_BUFFER_OUTPUT2)

		dpb_size = inst->output2_buf_size;



	list_for_each_entry_safe(buf, next, &inst->dpbbufs, list) {

		struct hfi_frame_data fdata;



		memset(&fdata, 0, sizeof(fdata));
@@ -106,6 +122,12 @@ int venus_helper_queue_dpb_bufs(struct venus_inst *inst) 
		if (buf->owned_by == FIRMWARE)

			continue;



		/* free buffer from previous sequence which was released later */

		if (dpb_size > buf->size) {

			free_dpb_buf(inst, buf);

			continue;

		}



		fdata.clnt_data = buf->dpb_out_tag;



		ret = hfi_session_process_buf(inst, &fdata);
@@ -127,13 +149,7 @@ int venus_helper_free_dpb_bufs(struct venus_inst *inst) 
	list_for_each_entry_safe(buf, n, &inst->dpbbufs, list) {

		if (buf->owned_by == FIRMWARE)

			continue;



		ida_free(&inst->dpb_ids, buf->dpb_out_tag);



		list_del_init(&buf->list);

		dma_free_attrs(inst->core->dev, buf->size, buf->va, buf->da,

			       buf->attrs);

		kfree(buf);

		free_dpb_buf(inst, buf);

	}



	if (list_empty(&inst->dpbbufs))