On Fri Jul 31 02:48:29 2026 +0300, Dikshita Agarwal wrote:
> On AR50LT platforms AbsolutelyPerfectRouting (ARP) needs to be disabled
> so firmware can configure the ARP internal buffer as non-secure for
> encoder usage. In preparation of adding support for AR50LT platforms,
> add an optional disable_arp callback to the VPU ops and invoke it from
> core init and resume paths.
>
> No functional change for existing platforms.
>
> Reviewed-by: Dmitry Baryshkov <[email protected]>
> Signed-off-by: Dikshita Agarwal <[email protected]>
> Reviewed-by: Vishnu Reddy <[email protected]>
> Reviewed-by: Vikash Garodia <[email protected]>
> Signed-off-by: Dmitry Baryshkov <[email protected]>
> Signed-off-by: Bryan O'Donoghue <[email protected]>
Patch committed.
Thanks,
Bryan O'Donoghue
drivers/media/platform/qcom/iris/iris_core.c | 4 ++++
drivers/media/platform/qcom/iris/iris_hfi_common.c | 4 ++++
drivers/media/platform/qcom/iris/iris_vpu_common.h | 1 +
3 files changed, 9 insertions(+)
---
diff --git a/drivers/media/platform/qcom/iris/iris_core.c
b/drivers/media/platform/qcom/iris/iris_core.c
index 676baa8087a8..d558475986ff 100644
--- a/drivers/media/platform/qcom/iris/iris_core.c
+++ b/drivers/media/platform/qcom/iris/iris_core.c
@@ -52,6 +52,7 @@ static int iris_wait_for_system_response(struct iris_core
*core)
int iris_core_init(struct iris_core *core)
{
+ const struct vpu_ops *vpu_ops = core->iris_platform_data->vpu_ops;
int ret;
mutex_lock(&core->lock);
@@ -85,6 +86,9 @@ int iris_core_init(struct iris_core *core)
if (ret)
goto error_unload_fw;
+ if (vpu_ops->disable_arp)
+ vpu_ops->disable_arp(core);
+
core->iris_firmware_data->init_hfi_ops(core);
iris_session_init_caps(core);
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.c
b/drivers/media/platform/qcom/iris/iris_hfi_common.c
index 8769ec61f117..8f04f3793d9a 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_common.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_common.c
@@ -144,6 +144,7 @@ error:
int iris_hfi_pm_resume(struct iris_core *core)
{
+ const struct vpu_ops *vpu_ops = core->iris_platform_data->vpu_ops;
const struct iris_hfi_sys_ops *ops = core->hfi_sys_ops;
int ret;
@@ -163,6 +164,9 @@ int iris_hfi_pm_resume(struct iris_core *core)
if (ret)
goto err_suspend_hw;
+ if (vpu_ops->disable_arp)
+ vpu_ops->disable_arp(core);
+
ret = ops->sys_interframe_powercollapse(core);
if (ret)
goto err_suspend_hw;
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.h
b/drivers/media/platform/qcom/iris/iris_vpu_common.h
index 9151545065cd..71d96921ed37 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.h
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.h
@@ -24,6 +24,7 @@ struct vpu_ops {
int (*set_hwmode)(struct iris_core *core);
void (*set_preset_registers)(struct iris_core *core);
void (*interrupt_init)(struct iris_core *core);
+ void (*disable_arp)(struct iris_core *core);
};
int iris_vpu_boot_firmware(struct iris_core *core);
_______________________________________________
linuxtv-commits mailing list -- [email protected]
To unsubscribe send an email to [email protected]
