Message ID | 1590826218-23653-10-git-send-email-yong.wu@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Clean up "mediatek,larb" after adding device_link | expand |
+ Tiffany & Maoguang. On Sat, 2020-05-30 at 16:10 +0800, Yong Wu wrote: > MediaTek IOMMU has already added the device_link between the consumer > and smi-larb device. If the vcodec device call the pm_runtime_get_sync, > the smi-larb's pm_runtime_get_sync also be called automatically. > > CC: Tiffany Lin <tiffany.lin@mediatek.com> > Signed-off-by: Yong Wu <yong.wu@mediatek.com> > Reviewed-by: Evan Green <evgreen@chromium.org> > --- > .../media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 19 --------------- > drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 3 --- > drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - > .../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 27 ---------------------- > 4 files changed, 50 deletions(-) > > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > index 36dfe3f..1d7d14d 100644 > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > @@ -8,14 +8,12 @@ > #include <linux/of_address.h> > #include <linux/of_platform.h> > #include <linux/pm_runtime.h> > -#include <soc/mediatek/smi.h> > > #include "mtk_vcodec_dec_pm.h" > #include "mtk_vcodec_util.h" > > int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) > { > - struct device_node *node; > struct platform_device *pdev; > struct mtk_vcodec_pm *pm; > struct mtk_vcodec_clk *dec_clk; > @@ -26,18 +24,7 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) > pm = &mtkdev->pm; > pm->mtkdev = mtkdev; > dec_clk = &pm->vdec_clk; > - node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0); > - if (!node) { > - mtk_v4l2_err("of_parse_phandle mediatek,larb fail!"); > - return -1; > - } > > - pdev = of_find_device_by_node(node); > - of_node_put(node); > - if (WARN_ON(!pdev)) { > - return -1; > - } > - pm->larbvdec = &pdev->dev; > pdev = mtkdev->plat_dev; > pm->dev = &pdev->dev; > > @@ -113,11 +100,6 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) > } > } > > - ret = mtk_smi_larb_get(pm->larbvdec); > - if (ret) { > - mtk_v4l2_err("mtk_smi_larb_get larbvdec fail %d", ret); > - goto error; > - } > return; > > error: > @@ -130,7 +112,6 @@ void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) > struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; > int i = 0; > > - mtk_smi_larb_put(pm->larbvdec); > for (i = dec_clk->clk_num - 1; i >= 0; i--) > clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); > } > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > index 52d1ce1..7d3966a 100644 > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > @@ -190,10 +190,7 @@ struct mtk_vcodec_clk { > */ > struct mtk_vcodec_pm { > struct mtk_vcodec_clk vdec_clk; > - struct device *larbvdec; > - > struct mtk_vcodec_clk venc_clk; > - struct device *larbvenc; > struct device *dev; > struct mtk_vcodec_dev *mtkdev; > }; > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > index 5301dca..18025f7 100644 > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > @@ -8,7 +8,6 @@ > #include <media/v4l2-event.h> > #include <media/v4l2-mem2mem.h> > #include <media/videobuf2-dma-contig.h> > -#include <soc/mediatek/smi.h> > #include <linux/pm_runtime.h> > > #include "mtk_vcodec_drv.h" > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > index 01c6a55..047919e 100644 > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > @@ -8,44 +8,25 @@ > #include <linux/of_address.h> > #include <linux/of_platform.h> > #include <linux/pm_runtime.h> > -#include <soc/mediatek/smi.h> > > #include "mtk_vcodec_enc_pm.h" > #include "mtk_vcodec_util.h" > > int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) > { > - struct device_node *node; > struct platform_device *pdev; > struct mtk_vcodec_pm *pm; > struct mtk_vcodec_clk *enc_clk; > struct mtk_vcodec_clk_info *clk_info; > int ret = 0, i = 0; > - struct device *dev; > > pdev = mtkdev->plat_dev; > pm = &mtkdev->pm; > memset(pm, 0, sizeof(struct mtk_vcodec_pm)); > pm->mtkdev = mtkdev; > pm->dev = &pdev->dev; > - dev = &pdev->dev; > enc_clk = &pm->venc_clk; > > - node = of_parse_phandle(dev->of_node, "mediatek,larb", 0); > - if (!node) { > - mtk_v4l2_err("no mediatek,larb found"); > - return -ENODEV; > - } > - pdev = of_find_device_by_node(node); > - of_node_put(node); > - if (!pdev) { > - mtk_v4l2_err("no mediatek,larb device found"); > - return -ENODEV; > - } > - pm->larbvenc = &pdev->dev; > - pdev = mtkdev->plat_dev; > - pm->dev = &pdev->dev; > - > enc_clk->clk_num = of_property_count_strings(pdev->dev.of_node, > "clock-names"); > if (enc_clk->clk_num > 0) { > @@ -93,13 +74,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) > } > } > > - ret = mtk_smi_larb_get(pm->larbvenc); > - if (ret) { > - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); > - goto clkerr; > - } > - return; > - > clkerr: > for (i -= 1; i >= 0; i--) > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > @@ -110,7 +84,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) > struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; > int i = 0; > > - mtk_smi_larb_put(pm->larbvenc); > for (i = enc_clk->clk_num - 1; i >= 0; i--) > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > }
On Wed, 2020-06-10 at 13:47 +0800, CK Hu wrote: > + Tiffany & Maoguang. > > On Sat, 2020-05-30 at 16:10 +0800, Yong Wu wrote: > > MediaTek IOMMU has already added the device_link between the consumer > > and smi-larb device. If the vcodec device call the pm_runtime_get_sync, > > the smi-larb's pm_runtime_get_sync also be called automatically. > > Acked-by: Tiffany Lin <tiffany.lin@mediatek.com> > > CC: Tiffany Lin <tiffany.lin@mediatek.com> > > Signed-off-by: Yong Wu <yong.wu@mediatek.com> > > Reviewed-by: Evan Green <evgreen@chromium.org> > > --- > > .../media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 19 --------------- > > drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h | 3 --- > > drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - > > .../media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 27 ---------------------- > > 4 files changed, 50 deletions(-) > > > > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > > index 36dfe3f..1d7d14d 100644 > > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c > > @@ -8,14 +8,12 @@ > > #include <linux/of_address.h> > > #include <linux/of_platform.h> > > #include <linux/pm_runtime.h> > > -#include <soc/mediatek/smi.h> > > > > #include "mtk_vcodec_dec_pm.h" > > #include "mtk_vcodec_util.h" > > > > int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) > > { > > - struct device_node *node; > > struct platform_device *pdev; > > struct mtk_vcodec_pm *pm; > > struct mtk_vcodec_clk *dec_clk; > > @@ -26,18 +24,7 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) > > pm = &mtkdev->pm; > > pm->mtkdev = mtkdev; > > dec_clk = &pm->vdec_clk; > > - node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0); > > - if (!node) { > > - mtk_v4l2_err("of_parse_phandle mediatek,larb fail!"); > > - return -1; > > - } > > > > - pdev = of_find_device_by_node(node); > > - of_node_put(node); > > - if (WARN_ON(!pdev)) { > > - return -1; > > - } > > - pm->larbvdec = &pdev->dev; > > pdev = mtkdev->plat_dev; > > pm->dev = &pdev->dev; > > > > @@ -113,11 +100,6 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) > > } > > } > > > > - ret = mtk_smi_larb_get(pm->larbvdec); > > - if (ret) { > > - mtk_v4l2_err("mtk_smi_larb_get larbvdec fail %d", ret); > > - goto error; > > - } > > return; > > > > error: > > @@ -130,7 +112,6 @@ void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) > > struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; > > int i = 0; > > > > - mtk_smi_larb_put(pm->larbvdec); > > for (i = dec_clk->clk_num - 1; i >= 0; i--) > > clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); > > } > > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > > index 52d1ce1..7d3966a 100644 > > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h > > @@ -190,10 +190,7 @@ struct mtk_vcodec_clk { > > */ > > struct mtk_vcodec_pm { > > struct mtk_vcodec_clk vdec_clk; > > - struct device *larbvdec; > > - > > struct mtk_vcodec_clk venc_clk; > > - struct device *larbvenc; > > struct device *dev; > > struct mtk_vcodec_dev *mtkdev; > > }; > > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > > index 5301dca..18025f7 100644 > > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c > > @@ -8,7 +8,6 @@ > > #include <media/v4l2-event.h> > > #include <media/v4l2-mem2mem.h> > > #include <media/videobuf2-dma-contig.h> > > -#include <soc/mediatek/smi.h> > > #include <linux/pm_runtime.h> > > > > #include "mtk_vcodec_drv.h" > > diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > > index 01c6a55..047919e 100644 > > --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > > +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c > > @@ -8,44 +8,25 @@ > > #include <linux/of_address.h> > > #include <linux/of_platform.h> > > #include <linux/pm_runtime.h> > > -#include <soc/mediatek/smi.h> > > > > #include "mtk_vcodec_enc_pm.h" > > #include "mtk_vcodec_util.h" > > > > int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) > > { > > - struct device_node *node; > > struct platform_device *pdev; > > struct mtk_vcodec_pm *pm; > > struct mtk_vcodec_clk *enc_clk; > > struct mtk_vcodec_clk_info *clk_info; > > int ret = 0, i = 0; > > - struct device *dev; > > > > pdev = mtkdev->plat_dev; > > pm = &mtkdev->pm; > > memset(pm, 0, sizeof(struct mtk_vcodec_pm)); > > pm->mtkdev = mtkdev; > > pm->dev = &pdev->dev; > > - dev = &pdev->dev; > > enc_clk = &pm->venc_clk; > > > > - node = of_parse_phandle(dev->of_node, "mediatek,larb", 0); > > - if (!node) { > > - mtk_v4l2_err("no mediatek,larb found"); > > - return -ENODEV; > > - } > > - pdev = of_find_device_by_node(node); > > - of_node_put(node); > > - if (!pdev) { > > - mtk_v4l2_err("no mediatek,larb device found"); > > - return -ENODEV; > > - } > > - pm->larbvenc = &pdev->dev; > > - pdev = mtkdev->plat_dev; > > - pm->dev = &pdev->dev; > > - > > enc_clk->clk_num = of_property_count_strings(pdev->dev.of_node, > > "clock-names"); > > if (enc_clk->clk_num > 0) { > > @@ -93,13 +74,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) > > } > > } > > > > - ret = mtk_smi_larb_get(pm->larbvenc); > > - if (ret) { > > - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); > > - goto clkerr; > > - } > > - return; > > - > > clkerr: > > for (i -= 1; i >= 0; i--) > > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > > @@ -110,7 +84,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) > > struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; > > int i = 0; > > > > - mtk_smi_larb_put(pm->larbvenc); > > for (i = enc_clk->clk_num - 1; i >= 0; i--) > > clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); > > } > >
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c index 36dfe3f..1d7d14d 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c @@ -8,14 +8,12 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/pm_runtime.h> -#include <soc/mediatek/smi.h> #include "mtk_vcodec_dec_pm.h" #include "mtk_vcodec_util.h" int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) { - struct device_node *node; struct platform_device *pdev; struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *dec_clk; @@ -26,18 +24,7 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) pm = &mtkdev->pm; pm->mtkdev = mtkdev; dec_clk = &pm->vdec_clk; - node = of_parse_phandle(pdev->dev.of_node, "mediatek,larb", 0); - if (!node) { - mtk_v4l2_err("of_parse_phandle mediatek,larb fail!"); - return -1; - } - pdev = of_find_device_by_node(node); - of_node_put(node); - if (WARN_ON(!pdev)) { - return -1; - } - pm->larbvdec = &pdev->dev; pdev = mtkdev->plat_dev; pm->dev = &pdev->dev; @@ -113,11 +100,6 @@ void mtk_vcodec_dec_clock_on(struct mtk_vcodec_pm *pm) } } - ret = mtk_smi_larb_get(pm->larbvdec); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larbvdec fail %d", ret); - goto error; - } return; error: @@ -130,7 +112,6 @@ void mtk_vcodec_dec_clock_off(struct mtk_vcodec_pm *pm) struct mtk_vcodec_clk *dec_clk = &pm->vdec_clk; int i = 0; - mtk_smi_larb_put(pm->larbvdec); for (i = dec_clk->clk_num - 1; i >= 0; i--) clk_disable_unprepare(dec_clk->clk_info[i].vcodec_clk); } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 52d1ce1..7d3966a 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -190,10 +190,7 @@ struct mtk_vcodec_clk { */ struct mtk_vcodec_pm { struct mtk_vcodec_clk vdec_clk; - struct device *larbvdec; - struct mtk_vcodec_clk venc_clk; - struct device *larbvenc; struct device *dev; struct mtk_vcodec_dev *mtkdev; }; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index 5301dca..18025f7 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -8,7 +8,6 @@ #include <media/v4l2-event.h> #include <media/v4l2-mem2mem.h> #include <media/videobuf2-dma-contig.h> -#include <soc/mediatek/smi.h> #include <linux/pm_runtime.h> #include "mtk_vcodec_drv.h" diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c index 01c6a55..047919e 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c @@ -8,44 +8,25 @@ #include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/pm_runtime.h> -#include <soc/mediatek/smi.h> #include "mtk_vcodec_enc_pm.h" #include "mtk_vcodec_util.h" int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) { - struct device_node *node; struct platform_device *pdev; struct mtk_vcodec_pm *pm; struct mtk_vcodec_clk *enc_clk; struct mtk_vcodec_clk_info *clk_info; int ret = 0, i = 0; - struct device *dev; pdev = mtkdev->plat_dev; pm = &mtkdev->pm; memset(pm, 0, sizeof(struct mtk_vcodec_pm)); pm->mtkdev = mtkdev; pm->dev = &pdev->dev; - dev = &pdev->dev; enc_clk = &pm->venc_clk; - node = of_parse_phandle(dev->of_node, "mediatek,larb", 0); - if (!node) { - mtk_v4l2_err("no mediatek,larb found"); - return -ENODEV; - } - pdev = of_find_device_by_node(node); - of_node_put(node); - if (!pdev) { - mtk_v4l2_err("no mediatek,larb device found"); - return -ENODEV; - } - pm->larbvenc = &pdev->dev; - pdev = mtkdev->plat_dev; - pm->dev = &pdev->dev; - enc_clk->clk_num = of_property_count_strings(pdev->dev.of_node, "clock-names"); if (enc_clk->clk_num > 0) { @@ -93,13 +74,6 @@ void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm) } } - ret = mtk_smi_larb_get(pm->larbvenc); - if (ret) { - mtk_v4l2_err("mtk_smi_larb_get larb3 fail %d", ret); - goto clkerr; - } - return; - clkerr: for (i -= 1; i >= 0; i--) clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); @@ -110,7 +84,6 @@ void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm) struct mtk_vcodec_clk *enc_clk = &pm->venc_clk; int i = 0; - mtk_smi_larb_put(pm->larbvenc); for (i = enc_clk->clk_num - 1; i >= 0; i--) clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk); }