On Mon, Apr 27, 2026 at 03:25:59PM +0530, Sumit Garg wrote:
> From: Sumit Garg <[email protected]>
> 
> Switch qcom media client drivers over to generic PAS TZ APIs. Generic PAS
> TZ service allows to support multiple TZ implementation backends like QTEE
> based SCM PAS service, OP-TEE based PAS service and any further future TZ
> backend service.
> 
> Along with that pass proper PAS ID to set_remote_state API. As per testing
> the SCM backend just ignores it while OP-TEE makes use of it to for proper
> book keeping purpose.

When we use 'Along with' or 'while at it', patch is doing two things and
not one.

> 
> Signed-off-by: Sumit Garg <[email protected]>
> ---
>  drivers/media/platform/qcom/iris/Kconfig      | 25 ++++++++++---------
>  .../media/platform/qcom/iris/iris_firmware.c  |  9 ++++---
>  drivers/media/platform/qcom/venus/Kconfig     |  1 +
>  drivers/media/platform/qcom/venus/firmware.c  | 11 ++++----
>  4 files changed, 25 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/iris/Kconfig 
> b/drivers/media/platform/qcom/iris/Kconfig
> index 3c803a05305a..f54b759c18aa 100644
> --- a/drivers/media/platform/qcom/iris/Kconfig
> +++ b/drivers/media/platform/qcom/iris/Kconfig
> @@ -1,13 +1,14 @@
>  config VIDEO_QCOM_IRIS
> -        tristate "Qualcomm iris V4L2 decoder driver"
> -        depends on VIDEO_DEV
> -        depends on ARCH_QCOM || COMPILE_TEST
> -        select V4L2_MEM2MEM_DEV
> -        select QCOM_MDT_LOADER if ARCH_QCOM
> -        select QCOM_SCM
> -        select VIDEOBUF2_DMA_CONTIG
> -        help
> -          This is a V4L2 driver for Qualcomm iris video accelerator
> -          hardware. It accelerates decoding operations on various
> -          Qualcomm SoCs.
> -          To compile this driver as a module choose m here.
> +     tristate "Qualcomm iris V4L2 decoder driver"
> +     depends on VIDEO_DEV
> +     depends on ARCH_QCOM || COMPILE_TEST
> +     select V4L2_MEM2MEM_DEV
> +     select QCOM_MDT_LOADER if ARCH_QCOM
> +     select QCOM_SCM
> +     select QCOM_PAS
> +     select VIDEOBUF2_DMA_CONTIG
> +     help
> +       This is a V4L2 driver for Qualcomm iris video accelerator
> +       hardware. It accelerates decoding operations on various
> +       Qualcomm SoCs.
> +       To compile this driver as a module choose m here.

Here, Space replaced by Tabs just for one line.., should be fine.


> diff --git a/drivers/media/platform/qcom/iris/iris_firmware.c 
> b/drivers/media/platform/qcom/iris/iris_firmware.c
> index 5f408024e967..856fa6a79064 100644
> --- a/drivers/media/platform/qcom/iris/iris_firmware.c
> +++ b/drivers/media/platform/qcom/iris/iris_firmware.c
> @@ -4,6 +4,7 @@
>   */
>  
>  #include <linux/firmware.h>
> +#include <linux/firmware/qcom/qcom_pas.h>
>  #include <linux/firmware/qcom/qcom_scm.h>
>  #include <linux/of_address.h>
>  #include <linux/of_reserved_mem.h>
> @@ -79,7 +80,7 @@ int iris_fw_load(struct iris_core *core)
>               return -ENOMEM;
>       }
>  
> -     ret = qcom_scm_pas_auth_and_reset(core->iris_platform_data->pas_id);
> +     ret = qcom_pas_auth_and_reset(core->iris_platform_data->pas_id);
>       if (ret)  {
>               dev_err(core->dev, "auth and reset failed: %d\n", ret);
>               return ret;
> @@ -93,7 +94,7 @@ int iris_fw_load(struct iris_core *core)
>                                                    
> 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);
> +                     qcom_pas_shutdown(core->iris_platform_data->pas_id);
>                       return ret;
>               }
>       }
> @@ -103,10 +104,10 @@ int iris_fw_load(struct iris_core *core)
>  
>  int iris_fw_unload(struct iris_core *core)
>  {
> -     return qcom_scm_pas_shutdown(core->iris_platform_data->pas_id);
> +     return qcom_pas_shutdown(core->iris_platform_data->pas_id);
>  }
>  
>  int iris_set_hw_state(struct iris_core *core, bool resume)
>  {
> -     return qcom_scm_set_remote_state(resume, 0);
> +     return qcom_pas_set_remote_state(resume, 
> core->irisi_platform_data->pas_id);


Should be a separate change for qcom_pas_set_remote_state()

>  }
> diff --git a/drivers/media/platform/qcom/venus/Kconfig 
> b/drivers/media/platform/qcom/venus/Kconfig
> index ffb731ecd48c..574172724e8f 100644
> --- a/drivers/media/platform/qcom/venus/Kconfig
> +++ b/drivers/media/platform/qcom/venus/Kconfig
> @@ -6,6 +6,7 @@ config VIDEO_QCOM_VENUS
>       select OF_DYNAMIC if ARCH_QCOM
>       select QCOM_MDT_LOADER if ARCH_QCOM
>       select QCOM_SCM
> +     select QCOM_PAS
>       select VIDEOBUF2_DMA_CONTIG
>       select V4L2_MEM2MEM_DEV
>       help
> diff --git a/drivers/media/platform/qcom/venus/firmware.c 
> b/drivers/media/platform/qcom/venus/firmware.c
> index 1de7436713ed..3c0727ea137d 100644
> --- a/drivers/media/platform/qcom/venus/firmware.c
> +++ b/drivers/media/platform/qcom/venus/firmware.c
> @@ -12,6 +12,7 @@
>  #include <linux/of_reserved_mem.h>
>  #include <linux/platform_device.h>
>  #include <linux/of_device.h>
> +#include <linux/firmware/qcom/qcom_pas.h>
>  #include <linux/firmware/qcom/qcom_scm.h>
>  #include <linux/sizes.h>
>  #include <linux/soc/qcom/mdt_loader.h>
> @@ -58,7 +59,7 @@ int venus_set_hw_state(struct venus_core *core, bool resume)
>       int ret;
>  
>       if (core->use_tz) {
> -             ret = qcom_scm_set_remote_state(resume, 0);
> +             ret = qcom_pas_set_remote_state(resume, VENUS_PAS_ID);

This too..

>               if (resume && ret == -EINVAL)
>                       ret = 0;
>               return ret;
> @@ -218,7 +219,7 @@ int venus_boot(struct venus_core *core)
>       int ret;
>  
>       if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) ||
> -         (core->use_tz && !qcom_scm_is_available()))
> +         (core->use_tz && !qcom_pas_is_available()))
>               return -EPROBE_DEFER;
>  
>       ret = of_property_read_string_index(dev->of_node, "firmware-name", 0,
> @@ -236,7 +237,7 @@ int venus_boot(struct venus_core *core)
>       core->fw.mem_phys = mem_phys;
>  
>       if (core->use_tz)
> -             ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID);
> +             ret = qcom_pas_auth_and_reset(VENUS_PAS_ID);
>       else
>               ret = venus_boot_no_tz(core, mem_phys, mem_size);
>  
> @@ -259,7 +260,7 @@ int venus_boot(struct venus_core *core)
>                                                    res->cp_nonpixel_start,
>                                                    res->cp_nonpixel_size);
>               if (ret) {
> -                     qcom_scm_pas_shutdown(VENUS_PAS_ID);
> +                     qcom_pas_shutdown(VENUS_PAS_ID);
>                       dev_err(dev, "set virtual address ranges fail (%d)\n",
>                               ret);
>                       return ret;
> @@ -274,7 +275,7 @@ int venus_shutdown(struct venus_core *core)
>       int ret;
>  
>       if (core->use_tz)
> -             ret = qcom_scm_pas_shutdown(VENUS_PAS_ID);
> +             ret = qcom_pas_shutdown(VENUS_PAS_ID);
>       else
>               ret = venus_shutdown_no_tz(core);
>  
> -- 
> 2.51.0

with above change

Reviewed-by: Mukesh Ojha <[email protected]>

> 

-- 
-Mukesh Ojha

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