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Message-ID: <3b28e334-8083-c4a0-ebbb-46e045572a40@oss.qualcomm.com>
Date: Fri, 16 Jan 2026 15:09:59 +0530
From: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
To: Vikash Garodia <vikash.garodia@....qualcomm.com>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Bryan O'Donoghue <bod@...nel.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Vishnu Reddy <busanna.reddy@....qualcomm.com>,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: Re: [PATCH v4 2/6] media: iris: Add support for multiple TZ content
protection(CP) configs
On 12/10/2025 6:06 PM, Vikash Garodia wrote:
> vpu4 needs an additional configuration with respect to CP regions. Make
> the CP configuration as array such that the multiple configuration can be
> managed per platform.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> Co-developed-by: Vishnu Reddy <busanna.reddy@....qualcomm.com>
> Signed-off-by: Vishnu Reddy <busanna.reddy@....qualcomm.com>
> Signed-off-by: Vikash Garodia <vikash.garodia@....qualcomm.com>
> ---
> drivers/media/platform/qcom/iris/iris_firmware.c | 23 ++++++++++++---------
> .../platform/qcom/iris/iris_platform_common.h | 3 ++-
> .../media/platform/qcom/iris/iris_platform_gen1.c | 18 +++++++++-------
> .../media/platform/qcom/iris/iris_platform_gen2.c | 24 ++++++++++++++--------
> 4 files changed, 41 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/iris/iris_firmware.c b/drivers/media/platform/qcom/iris/iris_firmware.c
> index 679444327ed73a40c5cacd36f4156fc94c9ca45f..5f408024e967fd21ade66cc3fa377d8507f9002e 100644
> --- a/drivers/media/platform/qcom/iris/iris_firmware.c
> +++ b/drivers/media/platform/qcom/iris/iris_firmware.c
> @@ -64,9 +64,9 @@ static int iris_load_fw_to_memory(struct iris_core *core, const char *fw_name)
>
> int iris_fw_load(struct iris_core *core)
> {
> - struct tz_cp_config *cp_config = core->iris_platform_data->tz_cp_config_data;
> + const struct tz_cp_config *cp_config;
> const char *fwpath = NULL;
> - int ret;
> + int i, ret;
>
> ret = of_property_read_string_index(core->dev->of_node, "firmware-name", 0,
> &fwpath);
> @@ -85,14 +85,17 @@ int iris_fw_load(struct iris_core *core)
> return ret;
> }
>
> - ret = qcom_scm_mem_protect_video_var(cp_config->cp_start,
> - cp_config->cp_size,
> - cp_config->cp_nonpixel_start,
> - cp_config->cp_nonpixel_size);
> - if (ret) {
> - dev_err(core->dev, "protect memory failed\n");
> - qcom_scm_pas_shutdown(core->iris_platform_data->pas_id);
> - return ret;
> + for (i = 0; i < core->iris_platform_data->tz_cp_config_data_size; i++) {
> + cp_config = &core->iris_platform_data->tz_cp_config_data[i];
> + ret = qcom_scm_mem_protect_video_var(cp_config->cp_start,
> + cp_config->cp_size,
> + cp_config->cp_nonpixel_start,
> + cp_config->cp_nonpixel_size);
> + if (ret) {
> + dev_err(core->dev, "qcom_scm_mem_protect_video_var failed: %d\n", ret);
> + qcom_scm_pas_shutdown(core->iris_platform_data->pas_id);
> + return ret;
> + }
> }
>
> return ret;
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
> index f63fb58b2fa87d31407be0f14524c963edd85d68..29900c3ea9b9ebbab614c804a249b08ba6001494 100644
> --- a/drivers/media/platform/qcom/iris/iris_platform_common.h
> +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
> @@ -223,7 +223,8 @@ struct iris_platform_data {
> u32 inst_fw_caps_dec_size;
> const struct platform_inst_fw_cap *inst_fw_caps_enc;
> u32 inst_fw_caps_enc_size;
> - struct tz_cp_config *tz_cp_config_data;
> + const struct tz_cp_config *tz_cp_config_data;
> + u32 tz_cp_config_data_size;
> u32 core_arch;
> u32 hw_response_timeout;
> struct ubwc_config_data *ubwc_config;
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen1.c b/drivers/media/platform/qcom/iris/iris_platform_gen1.c
> index 6092667687bfe34a52f3ec4865f99eddeea435a8..d1dda98271fb7ecdc396fe1a2dfda1b73720dec8 100644
> --- a/drivers/media/platform/qcom/iris/iris_platform_gen1.c
> +++ b/drivers/media/platform/qcom/iris/iris_platform_gen1.c
> @@ -278,11 +278,13 @@ static const char * const sm8250_opp_clk_table[] = {
> NULL,
> };
>
> -static struct tz_cp_config tz_cp_config_sm8250 = {
> - .cp_start = 0,
> - .cp_size = 0x25800000,
> - .cp_nonpixel_start = 0x01000000,
> - .cp_nonpixel_size = 0x24800000,
> +static const struct tz_cp_config tz_cp_config_sm8250[] = {
> + {
> + .cp_start = 0,
> + .cp_size = 0x25800000,
> + .cp_nonpixel_start = 0x01000000,
> + .cp_nonpixel_size = 0x24800000,
> + },
> };
>
> static const u32 sm8250_vdec_input_config_param_default[] = {
> @@ -348,7 +350,8 @@ const struct iris_platform_data sm8250_data = {
> .inst_fw_caps_dec_size = ARRAY_SIZE(inst_fw_cap_sm8250_dec),
> .inst_fw_caps_enc = inst_fw_cap_sm8250_enc,
> .inst_fw_caps_enc_size = ARRAY_SIZE(inst_fw_cap_sm8250_enc),
> - .tz_cp_config_data = &tz_cp_config_sm8250,
> + .tz_cp_config_data = tz_cp_config_sm8250,
> + .tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8250),
> .hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
> .num_vpp_pipe = 4,
> .max_session_count = 16,
> @@ -398,7 +401,8 @@ const struct iris_platform_data sc7280_data = {
> .inst_fw_caps_dec_size = ARRAY_SIZE(inst_fw_cap_sm8250_dec),
> .inst_fw_caps_enc = inst_fw_cap_sm8250_enc,
> .inst_fw_caps_enc_size = ARRAY_SIZE(inst_fw_cap_sm8250_enc),
> - .tz_cp_config_data = &tz_cp_config_sm8250,
> + .tz_cp_config_data = tz_cp_config_sm8250,
> + .tz_cp_config_data_size = ARRAY_SIZE(tz_cp_config_sm8250),
> .hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
> .num_vpp_pipe = 1,
> .no_aon = true,
> diff --git a/drivers/media/platform/qcom/iris/iris_platform_gen2.c b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> index 65860e3f43700ddb70eba617d78971c47945d008..38734293d811cd5a12244797dd0cfcd95e3fb311 100644
> --- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> +++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
> @@ -646,11 +646,13 @@ static struct ubwc_config_data ubwc_config_sm8550 = {
> .bank_spreading = 1,
> };
>
> -static struct tz_cp_config tz_cp_config_sm8550 = {
> - .cp_start = 0,
> - .cp_size = 0x25800000,
> - .cp_nonpixel_start = 0x01000000,
> - .cp_nonpixel_size = 0x24800000,
> +static const struct tz_cp_config tz_cp_config_sm8550[] = {
> + {
> + .cp_start = 0,
> + .cp_size = 0x25800000,
> + .cp_nonpixel_start = 0x01000000,
> + .cp_nonpixel_size = 0x24800000,
> + },
> };
>
> static const u32 sm8550_vdec_input_config_params_default[] = {
> @@ -770,7 +772,8 @@ const struct iris_platform_data sm8550_data = {
> .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 = 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,
> @@ -863,7 +866,8 @@ const struct iris_platform_data sm8650_data = {
> .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 = 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,
> @@ -946,7 +950,8 @@ const struct iris_platform_data sm8750_data = {
> .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 = 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,
> @@ -1033,7 +1038,8 @@ const struct iris_platform_data qcs8300_data = {
> .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 = 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,
>
Reviewed-by: Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>
Thanks,
Dikshita
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