[PATCH v3 14/15] media: venus: Convert to use resource-managed OPP API
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2021-03-14 16:37:22
Also in:
dri-devel, linux-arm-msm, linux-media, linux-mmc, linux-pm, linux-samsung-soc, linux-serial, linux-spi, lkml
Subsystem:
arm/qualcomm mailing list, media input infrastructure (v4l/dvb), qualcomm venus video accelerator driver, the rest · Maintainers:
Mauro Carvalho Chehab, Vikash Garodia, Dikshita Agarwal, Linus Torvalds
From: Yangtao Li <tiny.windzz@gmail.com> Use resource-managed OPP API to simplify code. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/media/platform/qcom/venus/core.h | 1 - .../media/platform/qcom/venus/pm_helpers.c | 35 +++++-------------- 2 files changed, 8 insertions(+), 28 deletions(-)
diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h
index a252ed32cc14..d35f60d2cb56 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h@@ -125,7 +125,6 @@ struct venus_core { struct clk *vcodec1_clks[VIDC_VCODEC_CLKS_NUM_MAX]; struct icc_path *video_path; struct icc_path *cpucfg_path; - struct opp_table *opp_table; bool has_opp_table; struct device *pmdomains[VIDC_PMDOMAINS_NUM_MAX]; struct device_link *opp_dl_venus;
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 43c4e3d9e281..e61317220b9a 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c@@ -756,7 +756,6 @@ static int venc_power_v4(struct device *dev, int on) static int vcodec_domains_get(struct device *dev) { int ret; - struct opp_table *opp_table; struct device **opp_virt_dev; struct venus_core *core = dev_get_drvdata(dev); const struct venus_resources *res = core->res;
@@ -779,11 +778,9 @@ static int vcodec_domains_get(struct device *dev) return 0; /* Attach the power domain for setting performance state */ - opp_table = dev_pm_opp_attach_genpd(dev, res->opp_pmdomain, &opp_virt_dev); - if (IS_ERR(opp_table)) { - ret = PTR_ERR(opp_table); + ret = devm_pm_opp_attach_genpd(dev, res->opp_pmdomain, &opp_virt_dev); + if (ret) goto opp_attach_err; - } core->opp_pmdomain = *opp_virt_dev; core->opp_dl_venus = device_link_add(dev, core->opp_pmdomain,
@@ -792,13 +789,11 @@ static int vcodec_domains_get(struct device *dev) DL_FLAG_STATELESS); if (!core->opp_dl_venus) { ret = -ENODEV; - goto opp_dl_add_err; + goto opp_attach_err; } return 0; -opp_dl_add_err: - dev_pm_opp_detach_genpd(core->opp_table); opp_attach_err: for (i = 0; i < res->vcodec_pmdomains_num; i++) { if (IS_ERR_OR_NULL(core->pmdomains[i]))
@@ -830,8 +825,6 @@ static void vcodec_domains_put(struct device *dev) if (core->opp_dl_venus) device_link_del(core->opp_dl_venus); - - dev_pm_opp_detach_genpd(core->opp_table); } static int core_get_v4(struct device *dev)
@@ -860,45 +853,33 @@ static int core_get_v4(struct device *dev) if (legacy_binding) return 0; - core->opp_table = dev_pm_opp_set_clkname(dev, "core"); - if (IS_ERR(core->opp_table)) - return PTR_ERR(core->opp_table); + ret = devm_pm_opp_set_clkname(dev, "core"); + if (ret) + return ret; if (core->res->opp_pmdomain) { - ret = dev_pm_opp_of_add_table(dev); + ret = devm_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"); - dev_pm_opp_put_clkname(core->opp_table); return ret; } } ret = vcodec_domains_get(dev); - if (ret) { - if (core->has_opp_table) - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(core->opp_table); + if (ret) return ret; - } return 0; } static void core_put_v4(struct device *dev) { - struct venus_core *core = dev_get_drvdata(dev); - if (legacy_binding) return; vcodec_domains_put(dev); - - if (core->has_opp_table) - dev_pm_opp_of_remove_table(dev); - dev_pm_opp_put_clkname(core->opp_table); - } static int core_power_v4(struct device *dev, int on)
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2.30.2