From: Rajendra Nayak <rnayak@codeaurora.org>
To: Matthias Kaehlcke <mka@chromium.org>
Cc: viresh.kumar@linaro.org, sboyd@kernel.org,
bjorn.andersson@linaro.org, agross@kernel.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Stanimir Varbanov <stanimir.varbanov@linaro.org>,
linux-media@vger.kernel.org
Subject: Re: [PATCH v3 12/17] media: venus: core: Add support for opp tables/perf voting
Date: Wed, 29 Apr 2020 19:49:30 +0530 [thread overview]
Message-ID: <6e37f0b5-a9b3-7b62-96f9-6bd8f1594fa6@codeaurora.org> (raw)
In-Reply-To: <20200429003907.GN4525@google.com>
On 4/29/2020 6:09 AM, Matthias Kaehlcke wrote:
> On Tue, Apr 28, 2020 at 07:03:00PM +0530, Rajendra Nayak wrote:
>> Add support to add OPP tables and perf voting on the OPP powerdomain.
>> This is needed so venus votes on the corresponding performance state
>> for the OPP powerdomain along with setting the core clock rate.
>>
>> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
>> Cc: Stanimir Varbanov <stanimir.varbanov@linaro.org>
>> Cc: linux-media@vger.kernel.org
>> ---
>> drivers/media/platform/qcom/venus/core.c | 28 +++++++++++++++++++
>> drivers/media/platform/qcom/venus/core.h | 5 ++++
>> drivers/media/platform/qcom/venus/pm_helpers.c | 37 +++++++++++++++++++++++---
>> 3 files changed, 66 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
>> index 194b10b9..e98fea92 100644
>> --- a/drivers/media/platform/qcom/venus/core.c
>> +++ b/drivers/media/platform/qcom/venus/core.c
>> @@ -12,6 +12,7 @@
>> #include <linux/platform_device.h>
>> #include <linux/slab.h>
>> #include <linux/types.h>
>> +#include <linux/pm_opp.h>
>> #include <linux/pm_runtime.h>
>> #include <media/videobuf2-v4l2.h>
>> #include <media/v4l2-mem2mem.h>
>> @@ -214,6 +215,20 @@ static int venus_probe(struct platform_device *pdev)
>> if (!core->pm_ops)
>> return -ENODEV;
>>
>> + core->opp_table = dev_pm_opp_set_clkname(dev, "core");
>> + if (IS_ERR(core->opp_table))
>> + return PTR_ERR(core->opp_table);
>> +
>> + if (core->res->opp_pmdomain) {
>> + ret = dev_pm_opp_of_add_table(dev);
>> + if (!ret) {
>> + core->has_opp_table = true;
>> + } else if (ret != -ENODEV) {
>> + dev_err(dev, "Invalid OPP table in Device tree\n");
>> + return ret;
>> + }
>> + }
>> +
>> if (core->pm_ops->core_get) {
>> ret = core->pm_ops->core_get(dev);
>> if (ret)
>> @@ -301,6 +316,9 @@ static int venus_probe(struct platform_device *pdev)
>> err_venus_shutdown:
>> venus_shutdown(core);
>> err_runtime_disable:
>> + if (core->res->opp_pmdomain && core->has_opp_table)
>
> the check for 'core->res->opp_pmdomain' is not needed, 'core->has_opp_table'
> can only be true when 'core->res->opp_pmdomain' is not NULL.
ah, that's right, will fix. Thanks.
>
>> + dev_pm_opp_of_remove_table(dev);
>> + dev_pm_opp_put_clkname(core->opp_table);
>> pm_runtime_set_suspended(dev);
>> pm_runtime_disable(dev);
>> hfi_destroy(core);
>> @@ -326,6 +344,10 @@ static int venus_remove(struct platform_device *pdev)
>>
>> venus_firmware_deinit(core);
>>
>> + if (core->res->opp_pmdomain && core->has_opp_table)
>
> ditto
>
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2020-04-29 14:19 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-28 13:32 [PATCH v3 00/17] DVFS for IO devices on sdm845 and sc7180 Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 01/17] tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state Rajendra Nayak
2020-04-28 22:49 ` Matthias Kaehlcke
2020-04-28 13:32 ` [PATCH v3 02/17] spi: spi-geni-qcom: " Rajendra Nayak
2020-04-28 23:04 ` Matthias Kaehlcke
2020-04-28 13:32 ` [PATCH v3 03/17] arm64: dts: sdm845: Add OPP table for all qup devices Rajendra Nayak
2020-04-29 0:02 ` Matthias Kaehlcke
2020-04-29 14:15 ` Rajendra Nayak
2020-04-29 14:53 ` Rajendra Nayak
2020-04-29 16:10 ` Matthias Kaehlcke
2020-04-29 16:38 ` Rajendra Nayak
2020-04-30 6:15 ` Viresh Kumar
2020-04-28 13:32 ` [PATCH v3 04/17] arm64: dts: sc7180: " Rajendra Nayak
2020-06-25 15:17 ` Matthias Kaehlcke
2020-06-29 11:24 ` Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 05/17] drm/msm/dpu: Use OPP API to set clk/perf state Rajendra Nayak
2020-04-28 16:32 ` Rob Clark
2020-04-29 14:07 ` Rajendra Nayak
2020-04-29 0:14 ` Matthias Kaehlcke
2020-04-29 14:16 ` Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 06/17] drm/msm: dsi: " Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 07/17] arm64: dts: sdm845: Add DSI and MDP OPP tables and power-domains Rajendra Nayak
2020-04-29 0:27 ` Matthias Kaehlcke
2020-04-29 14:18 ` Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 08/17] arm64: dts: sc7180: " Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 09/17] mmc: sdhci-msm: Fix error handling for dev_pm_opp_of_add_table() Rajendra Nayak
2020-04-28 18:29 ` Ulf Hansson
2020-04-29 14:09 ` Rajendra Nayak
2020-05-05 11:33 ` Ulf Hansson
2020-05-05 13:32 ` Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 10/17] arm64: dts: sdm845: Add sdhc opps and power-domains Rajendra Nayak
2020-04-28 13:32 ` [PATCH v3 11/17] arm64: dts: sc7180: " Rajendra Nayak
2020-04-28 13:33 ` [PATCH v3 12/17] media: venus: core: Add support for opp tables/perf voting Rajendra Nayak
2020-04-29 0:39 ` Matthias Kaehlcke
2020-04-29 14:19 ` Rajendra Nayak [this message]
2020-04-29 14:36 ` Stanimir Varbanov
2020-04-29 15:10 ` Rajendra Nayak
2020-04-28 13:33 ` [PATCH v3 13/17] arm64: dts: sdm845: Add OPP tables and power-domains for venus Rajendra Nayak
2020-04-29 0:42 ` Matthias Kaehlcke
2020-04-28 13:33 ` [PATCH v3 14/17] arm64: dts: sc7180: " Rajendra Nayak
2020-04-28 13:33 ` [PATCH v3 15/17] spi: spi-qcom-qspi: Use OPP API to set clk/perf state Rajendra Nayak
2020-04-29 0:49 ` Matthias Kaehlcke
2020-04-29 14:21 ` Rajendra Nayak
2020-04-28 13:33 ` [PATCH v3 16/17] arm64: dts: sdm845: Add qspi opps and power-domains Rajendra Nayak
2020-04-29 0:52 ` Matthias Kaehlcke
2020-04-28 13:33 ` [PATCH v3 17/17] arm64: dts: sc7180: " Rajendra Nayak
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