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Message-ID: <0f107e9f-e69a-64de-6770-f7078a4347cc@quicinc.com>
Date: Mon, 29 Sep 2025 11:15:09 +0530
From: Vishnu Reddy <quic_bvisredd@...cinc.com>
To: Bryan O'Donoghue <bod@...nel.org>,
Vikash Garodia
<vikash.garodia@....qualcomm.com>,
Dikshita Agarwal
<dikshita.agarwal@....qualcomm.com>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
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>
CC: <linux-arm-msm@...r.kernel.org>, <linux-media@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/8] media: iris: Add support for multiple TZ CP configs
On 9/26/2025 6:00 AM, Bryan O'Donoghue wrote:
> On 25/09/2025 00:14, Vikash Garodia wrote:
>> vpu4 needs an additional configuration w.r.t CP regions. Make the CP
>
> "with-respect-to" and please define CP once and then use the
> abbreviation liberally.
>> configuration as array such that the multiple configuration can be
>> managed per platform.
>>
>> Co-developed-by: Vishnu Reddy <quic_bvisredd@...cinc.com>
>> Signed-off-by: Vishnu Reddy <quic_bvisredd@...cinc.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_gen2.c | 24
>> ++++++++++++++--------
>> .../platform/qcom/iris/iris_platform_sm8250.c | 15 ++++++++------
>> 4 files changed, 39 insertions(+), 26 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/iris/iris_firmware.c
>> b/drivers/media/platform/qcom/iris/iris_firmware.c
>> index
>> 9ab499fad946446a87036720f49c9c8d311f3060..ad65c419e4416d0531d4c3deb04c22d44b29e500 100644
>> --- a/drivers/media/platform/qcom/iris/iris_firmware.c
>> +++ b/drivers/media/platform/qcom/iris/iris_firmware.c
>> @@ -70,9 +70,9 @@ 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);
>> @@ -91,14 +91,17 @@ 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, "protect memory failed\n");
>
> I think this error message could be better ->
> "qcom_scm_mem_protect_video_var()=%d" or err string.
>
> Its not super-important just an observation.
>
ACK.
>> + 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
>> df03de08c44839c1b6c137874eb7273c638d5f2c..ae49e95ba2252fc1442f7c81d8010dbfd86da0da 100644
>> --- a/drivers/media/platform/qcom/iris/iris_platform_common.h
>> +++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
>> @@ -220,7 +220,8 @@ struct iris_platform_data {
>> u32 inst_fw_caps_dec_size;
>> 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_gen2.c
>> b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
>> index
>> fea800811a389a58388175c733ad31c4d9c636b0..00c6b9021b98aac80612b1bb9734c8dac8146bd9 100644
>> --- a/drivers/media/platform/qcom/iris/iris_platform_gen2.c
>> +++ b/drivers/media/platform/qcom/iris/iris_platform_gen2.c
>> @@ -648,11 +648,13 @@ 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[] = {
>> @@ -771,7 +773,8 @@ 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,
>> @@ -864,7 +867,8 @@ 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,
>> @@ -947,7 +951,8 @@ 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,
>> @@ -1035,7 +1040,8 @@ struct iris_platform_data qcs8300_data = {
>> .inst_fw_caps_dec_size = ARRAY_SIZE(inst_fw_cap_qcs8300_dec),
>> .inst_fw_caps_enc = inst_fw_cap_qcs8300_enc,
>> .inst_fw_caps_enc_size = ARRAY_SIZE(inst_fw_cap_qcs8300_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,
>> diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
>> b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
>> index
>> 1b1b6aa751106ee0b0bc71bb0df2e78340190e66..8927c3ff59dab59c7d2cbcd92550f9ee3a2b5c1e 100644
>> --- a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
>> +++ b/drivers/media/platform/qcom/iris/iris_platform_sm8250.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 @@ 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,
>>
>> --
>> 2.34.1
>>
>>
>
> Please tidy up the commit log.
>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
ACK.
Regards,
Vishnu Reddy
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