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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a8722c2d43sm3334694e87.40.2026.05.06.23.42.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 May 2026 23:42:21 -0700 (PDT) From: Dmitry Baryshkov Date: Thu, 07 May 2026 09:42:05 +0300 Subject: [PATCH 05/16] media: iris: add vpu op hook to disable ARP buffer Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260507-iris-ar50lt-v1-5-d22cccedc3e2@oss.qualcomm.com> References: <20260507-iris-ar50lt-v1-0-d22cccedc3e2@oss.qualcomm.com> In-Reply-To: <20260507-iris-ar50lt-v1-0-d22cccedc3e2@oss.qualcomm.com> To: Vikash Garodia , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Dikshita Agarwal X-Mailer: b4 0.15.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=2941; i=dmitry.baryshkov@oss.qualcomm.com; h=from:subject:message-id; bh=QxCGqIHVv5yEowFiMuTZ6xAme5VboAgh/OSRfsnG4Hg=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBp/DQ9tmmnqlSEp5UE7gFt9FU8H71wEiO1dbXTQ jkjAVGFcDCJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCafw0PQAKCRCLPIo+Aiko 1XpdCACC6mrJEqsscLzoZgPLf06Jbpjt8r9O37DC1OL9K7Ln2w7QO88M8yQDFx1g3wxmnrmKJeI 7eVKRRCDu9BuKyT9i//lp6BHPXFIGW/lfD37Y4/gizmVbQhCvanQNiABnyagYfty+CoPMRjyv5l ApfcPXQbPc7wLhsfO2w3T95HuHN5WAnQ+XhIaHcER7HAbTC1+V/h6STBiGgMFqmS78CebxFhc7I 9Tn1+ZFxTD77rN6ydttqWhkZXQjq8rpH9TVOcwXw9yRCNEMePek5FYddOswaFewBRRoN082fa2Z 6XfQ7MEHbQjxCiU59dyljf8P/I2eN4Id7SFvJeH3bRLqf2i6 X-Developer-Key: i=dmitry.baryshkov@oss.qualcomm.com; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA3MDA2MyBTYWx0ZWRfX5wjNlBLpLPB0 GUBmHCYSjujE2BqBuC1pdr8ag3P0UaANDmR9Uy6QpqpjJWu+ZKOUyDrS1MUwwgfgopNkrQWwPks QPN/HsZMYz8Siba3iKONYcWHa5JDwrDxX8nF/VnF1vJi8R79+bwxhKxEelWCENyaAd41TQn0gAK AESuCi88akBhcYquHibKwj9k831j9Ohqk/wpdwwHfh0SChmymL5PQTctoRzmpRwcZWUDLPskNd0 2ZIUJIVo8UYw4Do0TgX4SxnowQibIkI7W2MzW6GvMvhT1wyonw9WPce3XjNt4wrwkPRpvjS2/jH cXug/6L5vydJlBqiQQ4tkqecN37Hrlh5timM4OqhtD6/THb0V2g/kRIDAmigFT4acr9kRdmKOY3 +mDMWv9bEEgtgUY4CJUxBUxtDWCk6or+8f7cxzuksnpdzcsLRnVL6+KbOPIlepdmXTWpn4gCJ+6 C6M3bgUx/Auqdb8/Exg== X-Authority-Analysis: v=2.4 cv=PqmjqQM3 c=1 sm=1 tr=0 ts=69fc344f cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=S07ZqrrhDxmTjaDOwnEA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: 2AVrs0sJhaoXsMOm6T5oDC0ub1m-oLYw X-Proofpoint-ORIG-GUID: 2AVrs0sJhaoXsMOm6T5oDC0ub1m-oLYw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-06_02,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 adultscore=0 priorityscore=1501 malwarescore=0 spamscore=0 phishscore=0 suspectscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605070063 From: Dikshita Agarwal 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 Signed-off-by: Dikshita Agarwal Signed-off-by: Dmitry Baryshkov --- 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 52bf56e517f9..bd22076f3557 100644 --- a/drivers/media/platform/qcom/iris/iris_core.c +++ b/drivers/media/platform/qcom/iris/iris_core.c @@ -45,6 +45,7 @@ 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); @@ -78,6 +79,9 @@ 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); ret = iris_hfi_core_init(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 @@ int iris_hfi_pm_suspend(struct iris_core *core) 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); -- 2.47.3