Hi Stan, On 8/14/19 11:47, Stanimir Varbanov wrote: > This aims to add a requests for bandwidth scaling depending > on the resolution and framerate (macroblocks per second). The > exact value ff the requested bandwidth is get from a
s/ff/of/ > pre-calculated tables for encoder and decoder. > > Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org> > --- > drivers/media/platform/qcom/venus/core.c | 34 +++++++++++ > drivers/media/platform/qcom/venus/core.h | 14 +++++ > drivers/media/platform/qcom/venus/helpers.c | 67 ++++++++++++++++++++- > 3 files changed, 114 insertions(+), 1 deletion(-) It looks like venus can be built-in, so how about the case when venus is built-in and the interconnect provider is a module? Maybe add a dependency in Kconfig to depend on INTERCONNECT || !INTERCONNECT? > > diff --git a/drivers/media/platform/qcom/venus/core.c > b/drivers/media/platform/qcom/venus/core.c > index 0acc7576cc58..19cbe9d5d028 100644 > --- a/drivers/media/platform/qcom/venus/core.c > +++ b/drivers/media/platform/qcom/venus/core.c > @@ -5,6 +5,7 @@ > */ > #include <linux/clk.h> > #include <linux/init.h> > +#include <linux/interconnect.h> > #include <linux/ioctl.h> > #include <linux/list.h> > #include <linux/module.h> > @@ -239,6 +240,14 @@ static int venus_probe(struct platform_device *pdev) > if (IS_ERR(core->base)) > return PTR_ERR(core->base); > > + core->video_path = of_icc_get(dev, "video-mem"); > + if (IS_ERR(core->video_path)) > + return PTR_ERR(core->video_path); > + > + core->cpucfg_path = of_icc_get(dev, "cpu-cfg"); > + if (IS_ERR(core->cpucfg_path)) > + return PTR_ERR(core->cpucfg_path); > + > core->irq = platform_get_irq(pdev, 0); > if (core->irq < 0) > return core->irq; > @@ -273,6 +282,10 @@ static int venus_probe(struct platform_device *pdev) > if (ret) > return ret; > > + ret = icc_set_bw(core->cpucfg_path, 0, kbps_to_icc(1000)); > + if (ret) > + return ret; > + > ret = hfi_create(core, &venus_core_ops); > if (ret) > return ret; > @@ -355,6 +368,9 @@ static int venus_remove(struct platform_device *pdev) > pm_runtime_put_sync(dev); > pm_runtime_disable(dev); > > + icc_put(core->video_path); > + icc_put(core->cpucfg_path); > + Do you have any plans to scale the bandwidth on suspend/resume too? Thanks, Georgi
