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Date: Thu, 24 Sep 2020 00:54:01 -0700 From: Stephen Boyd <swboyd@...omium.org> To: Mansur Alisha Shaik <mansur@...eaurora.org>, linux-media@...r.kernel.org, stanimir.varbanov@...aro.org Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, vgarodia@...eaurora.org, Mansur Alisha Shaik <mansur@...eaurora.org> Subject: Re: [PATCH v3 2/4] venus: core: vote for video-mem path Quoting Mansur Alisha Shaik (2020-09-23 23:51:04) > Currently video driver is voting for venus0-ebi path during buffer > processing with an average bandwidth of all the instances and > unvoting during session release. > > While video streaming when we try to do XO-SD using the command > "echo mem > /sys/power/state command" , device is not entering > to suspend state and from interconnect summary seeing votes for venus0-ebi > > Corrected this by voting for venus0-ebi path in venus_runtime_resume() > and unvote during venus_runtime_suspend(). > > Fixes: 7482a983d ("media: venus: redesign clocks and pm domains control") > Signed-off-by: Mansur Alisha Shaik <mansur@...eaurora.org> > --- > Changes in v3: > - Addressed review comments by Stephen Boyd Please Cc me on patches I review. > > drivers/media/platform/qcom/venus/core.c | 17 ++++++++++++++++- > 1 file changed, 16 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c > index 52a3886..fa363b8 100644 > --- a/drivers/media/platform/qcom/venus/core.c > +++ b/drivers/media/platform/qcom/venus/core.c > @@ -363,7 +363,18 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev) > > ret = icc_set_bw(core->cpucfg_path, 0, 0); > if (ret) > - return ret; > + goto err_cpucfg_path; > + > + ret = icc_set_bw(core->video_path, 0, 0); > + if (ret) > + goto err_video_path; > + > + return ret; > + > +err_video_path: > + icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0); > +err_cpucfg_path: > + pm_ops->core_power(dev, POWER_ON); > > return ret; > } > @@ -374,6 +385,10 @@ static __maybe_unused int venus_runtime_resume(struct device *dev) > const struct venus_pm_ops *pm_ops = core->pm_ops; > int ret; > > + ret = icc_set_bw(core->video_path, 0, kbps_to_icc(1000)); > + if (ret) > + return ret; > + Feels like this patch should come after the next one but OK. Reviewed-by: Stephen Boyd <swboyd@...omium.org>
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