Re: [PATCH 4/5] media: iris: Add platform data for X1P42100

From: Dikshita Agarwal

Date: Mon Mar 02 2026 - 05:04:50 EST

On 2/9/2026 1:09 PM, Wangao Wang wrote:
> Introduce platform data for X1P42100, derived from SM8550 but using a
> different clock configuration and a dedicated OPP setup.
>
> Signed-off-by: Wangao Wang <wangao.wang@xxxxxxxxxxxxxxxx>
> ---
> .../platform/qcom/iris/iris_platform_common.h | 1 +
> .../media/platform/qcom/iris/iris_platform_gen2.c | 86 ++++++++++++++++++++++
> .../platform/qcom/iris/iris_platform_x1p42100.h | 22 ++++++
> drivers/media/platform/qcom/iris/iris_probe.c | 4 +
> 4 files changed, 113 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
> index 5a489917580eb10022fdcb52f7321a915e8b239d..2e97360ddcd56a4b61fb296782b0c914b6154784 100644
> --- a/drivers/media/platform/qcom/iris/iris_platform_common.h
> +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
> @@ -47,6 +47,7 @@ extern const struct iris_platform_data sm8250_data;
> extern const struct iris_platform_data sm8550_data;
> extern const struct iris_platform_data sm8650_data;
> extern const struct iris_platform_data sm8750_data;
> +extern const struct iris_platform_data x1p42100_data;
>
> enum platform_clk_type {
> IRIS_AXI_CLK, /* AXI0 in case of platforms with multiple AXI clocks */
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> index 5da90d47f9c6eab4a7e6b17841fdc0e599397bf7..a9389f1b3ac5862f7bd4f4cb165648b5c6feb459 100644
> --- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> +++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> @@ -15,6 +15,7 @@
> #include "iris_platform_qcs8300.h"
> #include "iris_platform_sm8650.h"
> #include "iris_platform_sm8750.h"
> +#include "iris_platform_x1p42100.h"
>
> #define VIDEO_ARCH_LX 1
> #define BITRATE_MAX 245000000
> @@ -1317,3 +1318,88 @@ const struct iris_platform_data qcs8300_data = {
> .enc_op_int_buf_tbl = sm8550_enc_op_int_buf_tbl,
> .enc_op_int_buf_tbl_size = ARRAY_SIZE(sm8550_enc_op_int_buf_tbl),
> };
> +
> +const struct iris_platform_data x1p42100_data = {
> + .get_instance = iris_hfi_gen2_get_instance,
> + .init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
> + .init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
> + .get_vpu_buffer_size = iris_vpu_buf_size,
> + .vpu_ops = &iris_vpu3_ops,
> + .set_preset_registers = iris_set_sm8550_preset_registers,
> + .icc_tbl = sm8550_icc_table,
> + .icc_tbl_size = ARRAY_SIZE(sm8550_icc_table),
> + .clk_rst_tbl = sm8550_clk_reset_table,
> + .clk_rst_tbl_size = ARRAY_SIZE(sm8550_clk_reset_table),
> + .bw_tbl_dec = sm8550_bw_table_dec,
> + .bw_tbl_dec_size = ARRAY_SIZE(sm8550_bw_table_dec),
> + .pmdomain_tbl = sm8550_pmdomain_table,
> + .pmdomain_tbl_size = ARRAY_SIZE(sm8550_pmdomain_table),
> + .opp_pd_tbl = sm8550_opp_pd_table,
> + .opp_pd_tbl_size = ARRAY_SIZE(sm8550_opp_pd_table),
> + .clk_tbl = x1p42100_clk_table,
> + .clk_tbl_size = ARRAY_SIZE(x1p42100_clk_table),
> + .opp_clk_tbl = x1p42100_opp_clk_table,
> + /* Upper bound of DMA address range */
> + .dma_mask = 0xe0000000 - 1,
> + .fwname = "qcom/vpu/vpu30_p4.mbn",
> + .pas_id = IRIS_PAS_ID,

what about inst_iris_fmts? why are you not initializing that?
how is working without that structure?

> + .inst_caps = &platform_inst_cap_sm8550,
> + .inst_fw_caps_dec = inst_fw_cap_sm8550_dec,
> + .inst_fw_caps_dec_size = ARRAY_SIZE(inst_fw_cap_sm8550_dec),
> + .inst_fw_caps_enc = inst_fw_cap_sm8550_enc,
> + .inst_fw_caps_enc_size = ARRAY_SIZE(inst_fw_cap_sm8550_enc),
> + .tz_cp_config_data = tz_cp_config_sm8550,
> + .tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8550),
> + .core_arch = VIDEO_ARCH_LX,
> + .hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
> + .ubwc_config = &ubwc_config_sm8550,
> + .num_vpp_pipe = 4,
> + .max_session_count = 16,
> + .max_core_mbpf = NUM_MBS_8K * 2,
> + .max_core_mbps = ((7680 * 4320) / 256) * 60,

Hope you confirmed these values and verified the caps.

> + .dec_input_config_params_default =
> + sm8550_vdec_input_config_params_default,
> + .dec_input_config_params_default_size =
> + ARRAY_SIZE(sm8550_vdec_input_config_params_default),
> + .dec_input_config_params_hevc =
> + sm8550_vdec_input_config_param_hevc,
> + .dec_input_config_params_hevc_size =
> + ARRAY_SIZE(sm8550_vdec_input_config_param_hevc),
> + .dec_input_config_params_vp9 =
> + sm8550_vdec_input_config_param_vp9,
> + .dec_input_config_params_vp9_size =
> + ARRAY_SIZE(sm8550_vdec_input_config_param_vp9),
> + .dec_output_config_params =
> + sm8550_vdec_output_config_params,
> + .dec_output_config_params_size =
> + ARRAY_SIZE(sm8550_vdec_output_config_params),

av1?

Thanks,
Dikshita
> +
> + .enc_input_config_params =
> + sm8550_venc_input_config_params,
> + .enc_input_config_params_size =
> + ARRAY_SIZE(sm8550_venc_input_config_params),
> + .enc_output_config_params =
> + sm8550_venc_output_config_params,
> + .enc_output_config_params_size =
> + ARRAY_SIZE(sm8550_venc_output_config_params),
> +
> + .dec_input_prop = sm8550_vdec_subscribe_input_properties,
> + .dec_input_prop_size = ARRAY_SIZE(sm8550_vdec_subscribe_input_properties),
> + .dec_output_prop_avc = sm8550_vdec_subscribe_output_properties_avc,
> + .dec_output_prop_avc_size =
> + ARRAY_SIZE(sm8550_vdec_subscribe_output_properties_avc),
> + .dec_output_prop_hevc = sm8550_vdec_subscribe_output_properties_hevc,
> + .dec_output_prop_hevc_size =
> + ARRAY_SIZE(sm8550_vdec_subscribe_output_properties_hevc),
> + .dec_output_prop_vp9 = sm8550_vdec_subscribe_output_properties_vp9,
> + .dec_output_prop_vp9_size =
> + ARRAY_SIZE(sm8550_vdec_subscribe_output_properties_vp9),
> +
> + .dec_ip_int_buf_tbl = sm8550_dec_ip_int_buf_tbl,
> + .dec_ip_int_buf_tbl_size = ARRAY_SIZE(sm8550_dec_ip_int_buf_tbl),
> + .dec_op_int_buf_tbl = sm8550_dec_op_int_buf_tbl,
> + .dec_op_int_buf_tbl_size = ARRAY_SIZE(sm8550_dec_op_int_buf_tbl),
> +
> + .enc_op_int_buf_tbl = sm8550_enc_op_int_buf_tbl,
> + .enc_op_int_buf_tbl_size = ARRAY_SIZE(sm8550_enc_op_int_buf_tbl),
> +};
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_x1p42100.h b/drivers/media/platform/qcom/iris/iris_platform_x1p42100.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..d89acfbc1233dad0692f6c13c3fc22b10e5bdd80
> --- /dev/null
> +++ b/drivers/media/platform/qcom/iris/iris_platform_x1p42100.h
> @@ -0,0 +1,22 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
> + */
> +
> +#ifndef __IRIS_PLATFORM_X1P42100_H__
> +#define __IRIS_PLATFORM_X1P42100_H__
> +
> +static const struct platform_clk_data x1p42100_clk_table[] = {
> + {IRIS_AXI_CLK, "iface" },
> + {IRIS_CTRL_CLK, "core" },
> + {IRIS_HW_CLK, "vcodec0_core" },
> + {IRIS_BSE_HW_CLK, "vcodec0_bse" },
> +};
> +
> +static const char *const x1p42100_opp_clk_table[] = {
> + "vcodec0_core",
> + "vcodec0_bse",
> + NULL,
> +};
> +
> +#endif
> diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
> index ddaacda523ecb9990af0dd0640196223fbcc2cab..287f615dfa6479964ed68649f2829b5bbeed6cd6 100644
> --- a/drivers/media/platform/qcom/iris/iris_probe.c
> +++ b/drivers/media/platform/qcom/iris/iris_probe.c
> @@ -374,6 +374,10 @@ static const struct of_device_id iris_dt_match[] = {
> .compatible = "qcom,sm8750-iris",
> .data = &sm8750_data,
> },
> + {
> + .compatible = "qcom,x1p42100-iris",
> + .data = &x1p42100_data,
> + },
> { },
> };
> MODULE_DEVICE_TABLE(of, iris_dt_match);
>