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Date: Thu, 17 Mar 2022 16:22:27 +0800
From: Irui Wang <irui.wang@...iatek.com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>,
Tzung-Bi Shih <tzungbi@...omium.org>,
Rob Herring <robh+dt@...nel.org>,
Alexandre Courbot <acourbot@...omium.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Tomasz Figa <tfiga@...gle.com>,
<angelogioacchino.delregno@...labora.com>,
Yong Wu <yong.wu@...iatek.com>,
Tiffany Lin <tiffany.lin@...iatek.com>,
Andrew-CT Chen <andrew-ct.chen@...iatek.com>
CC: Hsin-Yi Wang <hsinyi@...omium.org>,
Maoguang Meng <maoguang.meng@...iatek.com>,
Longfei Wang <longfei.wang@...iatek.com>,
Yunfei Dong <yunfei.dong@...iatek.com>,
Fritz Koenig <frkoenig@...omium.org>,
Irui Wang <irui.wang@...iatek.com>,
<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<srv_heupstream@...iatek.com>,
<linux-mediatek@...ts.infradead.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v3, 07/10] media: mtk-vcodec: Rewrite venc clock interface
venc_multi_core mode need enable the specific core's clk, add an
another param for clock_on/clock_off interface.
Signed-off-by: Irui Wang <irui.wang@...iatek.com>
---
.../platform/mtk-vcodec/mtk_vcodec_enc_pm.c | 95 ++++++++++++++++---
.../platform/mtk-vcodec/mtk_vcodec_enc_pm.h | 4 +-
.../media/platform/mtk-vcodec/venc_drv_if.c | 10 +-
3 files changed, 84 insertions(+), 25 deletions(-)
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 22b2eb867998..cdf7083c9335 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
@@ -57,42 +57,86 @@ int mtk_vcodec_init_enc_clk(struct platform_device *pdev,
}
EXPORT_SYMBOL_GPL(mtk_vcodec_init_enc_clk);
-void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm)
+void mtk_vcodec_enc_clock_on(struct mtk_vcodec_dev *dev, int core_id)
{
- struct mtk_vcodec_clk *enc_clk = &pm->venc_clk;
+ struct mtk_venc_core_dev *core;
+ struct mtk_vcodec_pm *enc_pm;
+ struct mtk_vcodec_clk *enc_clk;
+ struct clk *clk;
int ret, i = 0;
- for (i = 0; i < enc_clk->clk_num; i++) {
- ret = clk_prepare_enable(enc_clk->clk_info[i].vcodec_clk);
- if (ret) {
- mtk_v4l2_err("venc clk_prepare_enable %d %s fail %d", i,
- enc_clk->clk_info[i].clk_name, ret);
- goto clkerr;
+ if (dev->venc_multi_core) {
+ core = (struct mtk_venc_core_dev *)dev->enc_core_dev[core_id];
+ enc_pm = &core->pm;
+ enc_clk = &enc_pm->venc_clk;
+
+ for (i = 0; i < enc_clk->clk_num; i++) {
+ clk = enc_clk->clk_info[i].vcodec_clk;
+ ret = clk_enable(clk);
+ if (ret) {
+ mtk_v4l2_err("clk_enable %d %s fail %d", i,
+ enc_clk->clk_info[i].clk_name,
+ ret);
+ goto core_clk_err;
+ }
+ }
+ } else {
+ enc_pm = &dev->pm;
+ enc_clk = &enc_pm->venc_clk;
+
+ for (i = 0; i < enc_clk->clk_num; i++) {
+ clk = enc_clk->clk_info[i].vcodec_clk;
+ ret = clk_prepare_enable(clk);
+ if (ret) {
+ mtk_v4l2_err("clk_prepare %d %s fail %d",
+ i, enc_clk->clk_info[i].clk_name,
+ ret);
+ goto clkerr;
+ }
}
}
return;
+core_clk_err:
+ for (i -= 1; i >= 0; i--)
+ clk_disable(enc_clk->clk_info[i].vcodec_clk);
clkerr:
for (i -= 1; i >= 0; i--)
clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
}
EXPORT_SYMBOL_GPL(mtk_vcodec_enc_clock_on);
-void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm)
+void mtk_vcodec_enc_clock_off(struct mtk_vcodec_dev *dev, int core_id)
{
- struct mtk_vcodec_clk *enc_clk = &pm->venc_clk;
+ struct mtk_venc_core_dev *core;
+ struct mtk_vcodec_pm *enc_pm;
+ struct mtk_vcodec_clk *enc_clk;
int i = 0;
- for (i = enc_clk->clk_num - 1; i >= 0; i--)
- clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
+ if (dev->venc_multi_core) {
+ core = (struct mtk_venc_core_dev *)dev->enc_core_dev[core_id];
+ enc_pm = &core->pm;
+ enc_clk = &enc_pm->venc_clk;
+
+ for (i = enc_clk->clk_num - 1; i >= 0; i--)
+ clk_disable(enc_clk->clk_info[i].vcodec_clk);
+ } else {
+ enc_pm = &dev->pm;
+ enc_clk = &enc_pm->venc_clk;
+
+ for (i = enc_clk->clk_num - 1; i >= 0; i--)
+ clk_disable_unprepare(enc_clk->clk_info[i].vcodec_clk);
+ }
+
}
EXPORT_SYMBOL_GPL(mtk_vcodec_enc_clock_off);
int mtk_venc_core_pw_on(struct mtk_vcodec_dev *dev)
{
- int i, ret;
+ int i, ret, j;
struct mtk_venc_core_dev *core;
+ struct mtk_vcodec_clk *clk;
/* power on all available venc cores */
for (i = 0; i < MTK_VENC_CORE_MAX; i++) {
@@ -102,15 +146,31 @@ int mtk_venc_core_pw_on(struct mtk_vcodec_dev *dev)
ret = pm_runtime_resume_and_get(&core->plat_dev->dev);
if (ret < 0) {
- mtk_v4l2_err("power on core[%d] fail %d", i, ret);
+ mtk_v4l2_err("power on core[%d] fail", i);
goto pw_on_fail;
}
+
+ clk = &core->pm.venc_clk;
+ for (j = 0; j < clk->clk_num; j++) {
+ ret = clk_prepare(clk->clk_info[j].vcodec_clk);
+ if (ret) {
+ mtk_v4l2_err("prepare clk [%s] fail %d",
+ clk->clk_info[j].clk_name,
+ ret);
+ goto pw_on_fail;
+ }
+ }
}
return 0;
pw_on_fail:
for (i -= 1; i >= 0; i--) {
core = (struct mtk_venc_core_dev *)dev->enc_core_dev[i];
+
+ clk = &core->pm.venc_clk;
+ for (j -= 1; j >= 0; j--)
+ clk_unprepare(clk->clk_info[j].vcodec_clk);
+
pm_runtime_put_sync(&core->plat_dev->dev);
}
return ret;
@@ -118,8 +178,9 @@ int mtk_venc_core_pw_on(struct mtk_vcodec_dev *dev)
int mtk_venc_core_pw_off(struct mtk_vcodec_dev *dev)
{
- int i, ret;
+ int i, ret, j;
struct mtk_venc_core_dev *core;
+ struct mtk_vcodec_clk *clk;
/* power off all available venc cores */
for (i = 0; i < MTK_VENC_CORE_MAX; i++) {
@@ -127,6 +188,10 @@ int mtk_venc_core_pw_off(struct mtk_vcodec_dev *dev)
if (!core)
return 0;
+ clk = &core->pm.venc_clk;
+ for (j = clk->clk_num - 1; j >= 0; j--)
+ clk_unprepare(clk->clk_info[j].vcodec_clk);
+
ret = pm_runtime_put_sync(&core->plat_dev->dev);
if (ret < 0)
mtk_v4l2_err("power off core[%d] fail %d", i, ret);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h
index 99b6b6e29e35..5113ed8a869e 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.h
@@ -11,8 +11,8 @@
int mtk_vcodec_init_enc_clk(struct platform_device *pdev,
struct mtk_vcodec_pm *pm);
-void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm);
-void mtk_vcodec_enc_clock_off(struct mtk_vcodec_pm *pm);
+void mtk_vcodec_enc_clock_on(struct mtk_vcodec_dev *dev, int core_id);
+void mtk_vcodec_enc_clock_off(struct mtk_vcodec_dev *dev, int core_id);
int mtk_venc_core_pw_on(struct mtk_vcodec_dev *dev);
int mtk_venc_core_pw_off(struct mtk_vcodec_dev *dev);
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
index ce0bce811615..6cbdb7e30bb3 100644
--- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
@@ -32,9 +32,7 @@ int venc_if_init(struct mtk_vcodec_ctx *ctx, unsigned int fourcc)
}
mtk_venc_lock(ctx);
- mtk_vcodec_enc_clock_on(&ctx->dev->pm);
ret = ctx->enc_if->init(ctx);
- mtk_vcodec_enc_clock_off(&ctx->dev->pm);
mtk_venc_unlock(ctx);
return ret;
@@ -46,9 +44,7 @@ int venc_if_set_param(struct mtk_vcodec_ctx *ctx,
int ret = 0;
mtk_venc_lock(ctx);
- mtk_vcodec_enc_clock_on(&ctx->dev->pm);
ret = ctx->enc_if->set_param(ctx->drv_handle, type, in);
- mtk_vcodec_enc_clock_off(&ctx->dev->pm);
mtk_venc_unlock(ctx);
return ret;
@@ -68,10 +64,10 @@ int venc_if_encode(struct mtk_vcodec_ctx *ctx,
ctx->dev->curr_ctx = ctx;
spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
- mtk_vcodec_enc_clock_on(&ctx->dev->pm);
+ mtk_vcodec_enc_clock_on(ctx->dev, 0);
ret = ctx->enc_if->encode(ctx->drv_handle, opt, frm_buf,
bs_buf, result);
- mtk_vcodec_enc_clock_off(&ctx->dev->pm);
+ mtk_vcodec_enc_clock_off(ctx->dev, 0);
spin_lock_irqsave(&ctx->dev->irqlock, flags);
ctx->dev->curr_ctx = NULL;
@@ -89,9 +85,7 @@ int venc_if_deinit(struct mtk_vcodec_ctx *ctx)
return 0;
mtk_venc_lock(ctx);
- mtk_vcodec_enc_clock_on(&ctx->dev->pm);
ret = ctx->enc_if->deinit(ctx->drv_handle);
- mtk_vcodec_enc_clock_off(&ctx->dev->pm);
mtk_venc_unlock(ctx);
ctx->drv_handle = NULL;
--
2.18.0
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