drivers/media/platform/qcom/iris/iris_vpu2.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include "iris_instance.h"
#include "iris_vpu_common.h"

static u64 iris_vpu2_calc_freq(struct iris_inst *inst, size_t data_size)
{
	struct platform_inst_caps *caps = inst->core->iris_platform_data->inst_caps;
	struct v4l2_format *inp_f = inst->fmt_src;
	u32 mbs_per_second, mbpf, height, width;
	unsigned long vpp_freq, vsp_freq;
	u32 fps = DEFAULT_FPS;

	width = max(inp_f->fmt.pix_mp.width, inst->crop.width);
	height = max(inp_f->fmt.pix_mp.height, inst->crop.height);

	mbpf = NUM_MBS_PER_FRAME(height, width);
	mbs_per_second = mbpf * fps;

	vpp_freq = mbs_per_second * caps->mb_cycles_vpp;

	/* 21 / 20 is overhead factor */
	vpp_freq += vpp_freq / 20;
	vsp_freq = mbs_per_second * caps->mb_cycles_vsp;

	/* 10 / 7 is overhead factor */
	vsp_freq += ((fps * data_size * 8) * 10) / 7;

	return max(vpp_freq, vsp_freq);
}

const struct vpu_ops iris_vpu2_ops = {
	.power_off_hw = iris_vpu_power_off_hw,
	.power_off_controller = iris_vpu_power_off_controller,
	.calc_freq = iris_vpu2_calc_freq,
};