diff options
| author | Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com> | 2026-07-31 02:48:29 +0300 |
|---|---|---|
| committer | Bryan O'Donoghue <bod@kernel.org> | 2026-09-29 12:53:46 +0100 |
| commit | f2a793f2f386d0cdcda0ecb9de0019af765d2bce (patch) | |
| tree | b25b6093e21d5a52b92588e317893407d9da1a62 /drivers/media/platform/qcom/iris | |
| parent | 35f2e53cdb635a03a79056cc63a080059ea55e4d (diff) | |
media: iris: add vpu op hook to disable ARP buffer
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 <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Dikshita Agarwal <dikshita.agarwal@oss.qualcomm.com>
Reviewed-by: Vishnu Reddy <busanna.reddy@oss.qualcomm.com>
Reviewed-by: Vikash Garodia <vikash.garodia@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/iris')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_core.c | 4 | ||||
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_hfi_common.c | 4 | ||||
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_vpu_common.h | 1 |
3 files changed, 9 insertions, 0 deletions
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); |