diff options
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_vpu2.c')
-rw-r--r-- | drivers/media/platform/qcom/iris/iris_vpu2.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_vpu2.c b/drivers/media/platform/qcom/iris/iris_vpu2.c new file mode 100644 index 000000000000..8f502aed43ce --- /dev/null +++ b/drivers/media/platform/qcom/iris/iris_vpu2.c @@ -0,0 +1,38 @@ +// 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, + .calc_freq = iris_vpu2_calc_freq, +}; |