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Message-ID: <20230925040200.18220-1-irui.wang@mediatek.com>
Date: Mon, 25 Sep 2023 12:02:00 +0800
From: Irui Wang <irui.wang@...iatek.com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
<angelogioacchino.delregno@...labora.com>,
Yunfei Dong <yunfei.dong@...iatek.com>,
Irui Wang <irui.wang@...iatek.com>
CC: <Project_Global_Chrome_Upstream_Group@...iatek.com>,
<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
Maoguang Meng <maoguang.meng@...iatek.com>
Subject: [PATCH] media: mediatek: vcodec: add encoder power management helper functions
Remove PM functions at start/stop streaming, add PM helper functions
to get PM before encoding frame start and put PM after encoding frame
done. Meanwhile, remove unnecessary clock operations.
Signed-off-by: Irui Wang <irui.wang@...iatek.com>
---
.../mediatek/vcodec/encoder/mtk_vcodec_enc.c | 21 +++----------------
.../vcodec/encoder/mtk_vcodec_enc_pm.c | 18 ++++++++++++++++
.../vcodec/encoder/mtk_vcodec_enc_pm.h | 3 ++-
.../mediatek/vcodec/encoder/venc_drv_if.c | 8 ++-----
4 files changed, 25 insertions(+), 25 deletions(-)
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c
index 04948d3eb011..eb381fa6e7d1 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc.c
@@ -866,7 +866,7 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_enc_ctx *ctx = vb2_get_drv_priv(q);
struct venc_enc_param param;
- int ret, pm_ret;
+ int ret;
int i;
/* Once state turn into MTK_STATE_ABORT, we need stop_streaming
@@ -886,18 +886,12 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
return 0;
}
- ret = pm_runtime_resume_and_get(&ctx->dev->plat_dev->dev);
- if (ret < 0) {
- mtk_v4l2_venc_err(ctx, "pm_runtime_resume_and_get fail %d", ret);
- goto err_start_stream;
- }
-
mtk_venc_set_param(ctx, ¶m);
ret = venc_if_set_param(ctx, VENC_SET_PARAM_ENC, ¶m);
if (ret) {
mtk_v4l2_venc_err(ctx, "venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
- goto err_set_param;
+ goto err_start_stream;
}
ctx->param_change = MTK_ENCODE_PARAM_NONE;
@@ -910,18 +904,13 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
if (ret) {
mtk_v4l2_venc_err(ctx, "venc_if_set_param failed=%d", ret);
ctx->state = MTK_STATE_ABORT;
- goto err_set_param;
+ goto err_start_stream;
}
ctx->state = MTK_STATE_HEADER;
}
return 0;
-err_set_param:
- pm_ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
- if (pm_ret < 0)
- mtk_v4l2_venc_err(ctx, "pm_runtime_put fail %d", pm_ret);
-
err_start_stream:
for (i = 0; i < q->num_buffers; ++i) {
struct vb2_buffer *buf = vb2_get_buffer(q, i);
@@ -1004,10 +993,6 @@ static void vb2ops_venc_stop_streaming(struct vb2_queue *q)
if (ret)
mtk_v4l2_venc_err(ctx, "venc_if_deinit failed=%d", ret);
- ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
- if (ret < 0)
- mtk_v4l2_venc_err(ctx, "pm_runtime_put fail %d", ret);
-
ctx->state = MTK_STATE_FREE;
}
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.c b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.c
index 3fce936e61b9..a22b7dfc656e 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.c
@@ -58,6 +58,24 @@ int mtk_vcodec_init_enc_clk(struct mtk_vcodec_enc_dev *mtkdev)
return 0;
}
+void mtk_vcodec_enc_pw_on(struct mtk_vcodec_pm *pm)
+{
+ int ret;
+
+ ret = pm_runtime_resume_and_get(pm->dev);
+ if (ret)
+ dev_err(pm->dev, "pm_runtime_resume_and_get fail: %d", ret);
+}
+
+void mtk_vcodec_enc_pw_off(struct mtk_vcodec_pm *pm)
+{
+ int ret;
+
+ ret = pm_runtime_put(pm->dev);
+ if (ret && ret != -EAGAIN)
+ dev_err(pm->dev, "pm_runtime_put fail %d", ret);
+}
+
void mtk_vcodec_enc_clock_on(struct mtk_vcodec_pm *pm)
{
struct mtk_vcodec_clk *enc_clk = &pm->venc_clk;
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.h b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.h
index e50be0575190..157ea08ba9e3 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.h
+++ b/drivers/media/platform/mediatek/vcodec/encoder/mtk_vcodec_enc_pm.h
@@ -10,7 +10,8 @@
#include "mtk_vcodec_enc_drv.h"
int mtk_vcodec_init_enc_clk(struct mtk_vcodec_enc_dev *dev);
-
+void mtk_vcodec_enc_pw_on(struct mtk_vcodec_pm *pm);
+void mtk_vcodec_enc_pw_off(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);
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_drv_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc_drv_if.c
index 1bdaecdd64a7..c402a686f3cb 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/venc_drv_if.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_drv_if.c
@@ -32,9 +32,7 @@ int venc_if_init(struct mtk_vcodec_enc_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_enc_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 +64,12 @@ int venc_if_encode(struct mtk_vcodec_enc_ctx *ctx,
ctx->dev->curr_ctx = ctx;
spin_unlock_irqrestore(&ctx->dev->irqlock, flags);
+ mtk_vcodec_enc_pw_on(&ctx->dev->pm);
mtk_vcodec_enc_clock_on(&ctx->dev->pm);
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_pw_off(&ctx->dev->pm);
spin_lock_irqsave(&ctx->dev->irqlock, flags);
ctx->dev->curr_ctx = NULL;
@@ -89,9 +87,7 @@ int venc_if_deinit(struct mtk_vcodec_enc_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;
--
2.25.1
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