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 CC: Irui Wang irui.wang@mediatek.com Signed-off-by: Yong Wu yong.wu@mediatek.com Reviewed-by: Evan Green evgreen@chromium.org Acked-by: Tiffany Lin tiffany.lin@mediatek.com Reviewed-by: Dafna Hirschfeld dafna.hirschfeld@collabora.com Tested-by: Dafna Hirschfeld dafna.hirschfeld@collabora.com # on mt8173 --- .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c | 37 +++------------- .../platform/mtk-vcodec/mtk_vcodec_drv.h | 3 -- .../platform/mtk-vcodec/mtk_vcodec_enc.c | 1 - .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 44 +++---------------- 4 files changed, 10 insertions(+), 75 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 6038db96f71c..d0bf9aa3b29d 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;
@@ -47,14 +34,11 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) dec_clk->clk_info = devm_kcalloc(&pdev->dev, dec_clk->clk_num, sizeof(*clk_info), GFP_KERNEL); - if (!dec_clk->clk_info) { - ret = -ENOMEM; - goto put_device; - } + if (!dec_clk->clk_info) + return -ENOMEM; } else { mtk_v4l2_err("Failed to get vdec clock count"); - ret = -EINVAL; - goto put_device; + return -EINVAL; }
for (i = 0; i < dec_clk->clk_num; i++) { @@ -63,29 +47,24 @@ int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev) "clock-names", i, &clk_info->clk_name); if (ret) { mtk_v4l2_err("Failed to get clock name id = %d", i); - goto put_device; + return ret; } clk_info->vcodec_clk = devm_clk_get(&pdev->dev, clk_info->clk_name); if (IS_ERR(clk_info->vcodec_clk)) { mtk_v4l2_err("devm_clk_get (%d)%s fail", i, clk_info->clk_name); - ret = PTR_ERR(clk_info->vcodec_clk); - goto put_device; + return PTR_ERR(clk_info->vcodec_clk); } }
pm_runtime_enable(&pdev->dev); return 0; -put_device: - put_device(pm->larbvdec); - return ret; }
void mtk_vcodec_release_dec_pm(struct mtk_vcodec_dev *dev) { pm_runtime_disable(dev->pm.dev); - put_device(dev->pm.larbvdec); }
int mtk_vcodec_dec_pw_on(struct mtk_vcodec_pm *pm) @@ -122,11 +101,6 @@ 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: @@ -139,7 +113,6 @@ 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 c6c7672fecfb..64b73dd880ce 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -189,10 +189,7 @@ 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 416f356af363..9a1515cf862d 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 1b2e4930ed27..dffb190267ed 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c @@ -8,58 +8,36 @@ #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) { enc_clk->clk_info = devm_kcalloc(&pdev->dev, enc_clk->clk_num, sizeof(*clk_info), GFP_KERNEL); - if (!enc_clk->clk_info) { - ret = -ENOMEM; - goto put_larbvenc; - } + if (!enc_clk->clk_info) + return -ENOMEM; } else { mtk_v4l2_err("Failed to get venc clock count"); - ret = -EINVAL; - goto put_larbvenc; + return -EINVAL; }
for (i = 0; i < enc_clk->clk_num; i++) { @@ -68,29 +46,23 @@ int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev) "clock-names", i, &clk_info->clk_name); if (ret) { mtk_v4l2_err("venc failed to get clk name %d", i); - goto put_larbvenc; + return ret; } clk_info->vcodec_clk = devm_clk_get(&pdev->dev, clk_info->clk_name); if (IS_ERR(clk_info->vcodec_clk)) { mtk_v4l2_err("venc devm_clk_get (%d)%s fail", i, clk_info->clk_name); - ret = PTR_ERR(clk_info->vcodec_clk); - goto put_larbvenc; + return PTR_ERR(clk_info->vcodec_clk); } }
return 0; - -put_larbvenc: - put_device(pm->larbvenc); - return ret; }
void mtk_vcodec_release_enc_pm(struct mtk_vcodec_dev *mtkdev) { pm_runtime_disable(mtkdev->pm.dev); - put_device(mtkdev->pm.larbvenc); }
@@ -108,11 +80,6 @@ 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: @@ -125,7 +92,6 @@ 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); }