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Wed, 29 Apr 2026 00:44:15 -0700 (PDT) Received: from WANGAOW-LAB01.ap.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c7fd6506858sm1155848a12.24.2026.04.29.00.44.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 29 Apr 2026 00:44:15 -0700 (PDT) From: Wangao Wang Date: Wed, 29 Apr 2026 15:43:53 +0800 Subject: [PATCH v5 2/5] media: iris: Add hardware power on/off ops for X1P42100 Precedence: bulk X-Mailing-List: devicetree@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: <20260429-enable_iris_on_purwa-v5-2-438fa96da248@oss.qualcomm.com> References: <20260429-enable_iris_on_purwa-v5-0-438fa96da248@oss.qualcomm.com> In-Reply-To: <20260429-enable_iris_on_purwa-v5-0-438fa96da248@oss.qualcomm.com> To: Bryan O'Donoghue , Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Wangao Wang , Bryan O'Donoghue X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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Wire this clock into the power on/off sequence. The BSE clock is used to drive the Bin Stream Engine, which is a sub-block of the video codec hardware responsible for bitstream-level processing. It is required to be enabled separately from the core clock to ensure proper codec operation. Reviewed-by: Bryan O'Donoghue Signed-off-by: Wangao Wang --- drivers/media/platform/qcom/iris/iris_vpu_common.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c b/drivers/media/platform/qcom/iris/iris_vpu_common.c index 548e5f1727fdb7543f76a1871f17257fa2360733..281b1f54cb962dedbfb0ec96ed3a5aab99b50eb8 100644 --- a/drivers/media/platform/qcom/iris/iris_vpu_common.c +++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c @@ -224,6 +224,7 @@ void iris_vpu_power_off_hw(struct iris_core *core) { dev_pm_genpd_set_hwmode(core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN], false); iris_disable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN]); + iris_disable_unprepare_clock(core, IRIS_BSE_HW_CLK); iris_disable_unprepare_clock(core, IRIS_HW_AHB_CLK); iris_disable_unprepare_clock(core, IRIS_HW_CLK); } @@ -292,12 +293,18 @@ int iris_vpu_power_on_hw(struct iris_core *core) if (ret && ret != -ENOENT) goto err_disable_hw_clock; + ret = iris_prepare_enable_clock(core, IRIS_BSE_HW_CLK); + if (ret && ret != -ENOENT) + goto err_disable_hw_ahb_clock; + ret = dev_pm_genpd_set_hwmode(core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN], true); if (ret) - goto err_disable_hw_ahb_clock; + goto err_disable_bse_hw_clock; return 0; +err_disable_bse_hw_clock: + iris_disable_unprepare_clock(core, IRIS_BSE_HW_CLK); err_disable_hw_ahb_clock: iris_disable_unprepare_clock(core, IRIS_HW_AHB_CLK); err_disable_hw_clock: -- 2.43.0