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Sun, 10 May 2026 02:48:07 -0700 (PDT) From: Erikas Bitovtas Date: Sun, 10 May 2026 12:47:44 +0300 Subject: [PATCH v6 6/8] media: qcom: venus: add power domain enable logic for Venus cores 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: <20260510-msm8939-venus-rfc-v6-6-e69465375900@gmail.com> References: <20260510-msm8939-venus-rfc-v6-0-e69465375900@gmail.com> In-Reply-To: <20260510-msm8939-venus-rfc-v6-0-e69465375900@gmail.com> To: Bryan O'Donoghue , Vikash Garodia , Dikshita Agarwal , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?utf-8?q?Andr=C3=A9_Apitzsch?= , Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Brian Masney Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Erikas Bitovtas X-Mailer: b4 0.15.2 Attach power domains for vdec and venc cores and power them up if a vdec or venc session is started. Reviewed-by: Bryan O'Donoghue Signed-off-by: Erikas Bitovtas --- drivers/media/platform/qcom/venus/pm_helpers.c | 149 ++++++++++++++++++++++++- 1 file changed, 145 insertions(+), 4 deletions(-) diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c index f0269524ac70..5ed7cbef8149 100644 --- a/drivers/media/platform/qcom/venus/pm_helpers.c +++ b/drivers/media/platform/qcom/venus/pm_helpers.c @@ -297,10 +297,31 @@ static int load_scale_v1(struct venus_inst *inst) return ret; } +static int vcodec_domains_get_v1(struct venus_core *core) +{ + struct device *dev = core->dev; + const struct venus_resources *res = core->res; + const struct dev_pm_domain_attach_data vcodec_data = { + .pd_names = res->vcodec_pmdomains, + .num_pd_names = res->vcodec_pmdomains_num, + .pd_flags = PD_FLAG_NO_DEV_LINK, + }; + + if (!res->vcodec_pmdomains) + return 0; + + return dev_pm_domain_attach_list(dev, &vcodec_data, + &core->pmdomains); +} + static int core_get_v1(struct venus_core *core) { int ret; + ret = vcodec_domains_get_v1(core); + if (ret < 0) + return ret; + ret = core_clks_get(core); if (ret) return ret; @@ -319,12 +340,128 @@ static void core_put_v1(struct venus_core *core) static int core_power_v1(struct venus_core *core, int on) { int ret = 0; + struct device *pd_dev = core->res->vcodec_pmdomains ? + core->pmdomains->pd_devs[0] : NULL; - if (on == POWER_ON) + if (on == POWER_ON) { + if (pd_dev) { + ret = pm_runtime_resume_and_get(pd_dev); + if (ret) + return ret; + } ret = core_clks_enable(core); - else + if (ret) { + pm_runtime_put_sync(pd_dev); + return ret; + } + } else { + if (pd_dev) + pm_runtime_put_sync(pd_dev); core_clks_disable(core); + } + + return 0; +} + +static int vcodec_domains_enable(struct venus_core *core) +{ + const struct venus_resources *res = core->res; + struct device *pd_dev; + int i = 1, ret; + + if (!res->vcodec_pmdomains) + return 0; + + for (; i < res->vcodec_pmdomains_num; i++) { + pd_dev = core->pmdomains->pd_devs[i]; + ret = pm_runtime_resume_and_get(pd_dev); + if (ret) + goto err; + } + + return 0; +err: + while (i-- > 1) + pm_runtime_put_sync(core->pmdomains->pd_devs[i]); + return ret; +} + +static void vcodec_domains_disable(struct venus_core *core) +{ + const struct venus_resources *res = core->res; + struct device *pd_dev; + int i = 1; + + if (!res->vcodec_pmdomains) + return; + + for (; i < res->vcodec_pmdomains_num; i++) { + pd_dev = core->pmdomains->pd_devs[i]; + pm_runtime_put_sync(pd_dev); + } +} + +static int vdec_get_v1(struct device *dev) +{ + struct venus_core *core = dev_get_drvdata(dev); + + return vcodec_clks_get(core, core->dev, core->vcodec0_clks, + core->res->vcodec0_clks); +} + +static int vdec_power_v1(struct device *dev, int on) +{ + struct venus_core *core = dev_get_drvdata(dev); + int ret; + + if (on == POWER_ON) { + ret = vcodec_domains_enable(core); + if (ret) + return ret; + + ret = vcodec_clks_enable(core, core->vcodec0_clks); + if (ret) + goto err; + } else { + vcodec_domains_disable(core); + vcodec_clks_disable(core, core->vcodec0_clks); + } + + return 0; +err: + vcodec_domains_disable(core); + return ret; +} +static int venc_get_v1(struct device *dev) +{ + struct venus_core *core = dev_get_drvdata(dev); + + return vcodec_clks_get(core, core->dev, core->vcodec1_clks, + core->res->vcodec1_clks); +} + +static int venc_power_v1(struct device *dev, int on) +{ + struct venus_core *core = dev_get_drvdata(dev); + int ret; + + if (on == POWER_ON) { + ret = vcodec_domains_enable(core); + if (ret) + return ret; + + ret = vcodec_clks_enable(core, core->vcodec1_clks); + if (ret) + goto err; + } else { + vcodec_domains_disable(core); + vcodec_clks_disable(core, core->vcodec1_clks); + } + + return 0; +err: + vcodec_domains_disable(core); return ret; } @@ -332,6 +469,10 @@ static const struct venus_pm_ops pm_ops_v1 = { .core_get = core_get_v1, .core_put = core_put_v1, .core_power = core_power_v1, + .vdec_get = vdec_get_v1, + .vdec_power = vdec_power_v1, + .venc_get = venc_get_v1, + .venc_power = venc_power_v1, .load_scale = load_scale_v1, }; @@ -875,7 +1016,7 @@ static int venc_power_v4(struct device *dev, int on) return ret; } -static int vcodec_domains_get(struct venus_core *core) +static int vcodec_domains_get_v4(struct venus_core *core) { int ret; struct device *dev = core->dev; @@ -993,7 +1134,7 @@ static int core_get_v4(struct venus_core *core) if (ret) return ret; - ret = vcodec_domains_get(core); + ret = vcodec_domains_get_v4(core); if (ret) return ret; -- 2.54.0