linux-kernel - [PATCH v3,6/7] media: mediatek: vcodec: Change dbgfs interface to support encode

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Date:   Mon, 27 Mar 2023 13:53:14 +0800
From:   Yunfei Dong <yunfei.dong@...iatek.com>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Chen-Yu Tsai <wenst@...omium.org>,
        Nicolas Dufresne <nicolas@...fresne.ca>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Steve Cho <stevecho@...omium.org>,
        <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>,
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [PATCH v3,6/7] media: mediatek: vcodec: Change dbgfs interface to support encode

Extend dbgfs init interface to support encode and create encode
dbgfs file.

Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
---
 .../media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c    | 9 +++++++--
 .../media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h    | 4 ++--
 .../media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c  | 2 +-
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
index 1b1b4301a83d..4f6d0a4af651 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.c
@@ -160,11 +160,14 @@ void mtk_vcodec_dbgfs_remove(struct mtk_vcodec_dev *vcodec_dev, int ctx_id)
 }
 EXPORT_SYMBOL_GPL(mtk_vcodec_dbgfs_remove);
 
-void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev)
+void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev, bool is_encode)
 {
 	struct dentry *vcodec_root;
 
-	vcodec_dev->dbgfs.vcodec_root = debugfs_create_dir("vcodec-dec", NULL);
+	if (is_encode)
+		vcodec_dev->dbgfs.vcodec_root = debugfs_create_dir("vcodec-enc", NULL);
+	else
+		vcodec_dev->dbgfs.vcodec_root = debugfs_create_dir("vcodec-dec", NULL);
 	if (IS_ERR(vcodec_dev->dbgfs.vcodec_root))
 		dev_err(&vcodec_dev->plat_dev->dev, "create vcodec dir err:%d\n",
 			IS_ERR(vcodec_dev->dbgfs.vcodec_root));
@@ -174,6 +177,8 @@ void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev)
 	debugfs_create_x32("mtk_vcodec_dbg", 0644, vcodec_root, &mtk_vcodec_dbg);
 
 	vcodec_dev->dbgfs.inst_count = 0;
+	if (is_encode)
+		return;
 
 	INIT_LIST_HEAD(&vcodec_dev->dbgfs.dbgfs_head);
 	debugfs_create_file("vdec", 0200, vcodec_root, vcodec_dev, &vdec_fops);
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
index b0bdb84a46df..ba43518d0fcb 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dbgfs.h
@@ -50,7 +50,7 @@ struct mtk_vcodec_dbgfs {
 #if defined(CONFIG_DEBUG_FS)
 void mtk_vcodec_dbgfs_create(struct mtk_vcodec_ctx *ctx);
 void mtk_vcodec_dbgfs_remove(struct mtk_vcodec_dev *vcodec_dev, int ctx_id);
-void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev);
+void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev, bool is_encode);
 void mtk_vcodec_dbgfs_deinit(struct mtk_vcodec_dev *vcodec_dev);
 #else
 static inline void mtk_vcodec_dbgfs_create(struct mtk_vcodec_ctx *ctx)
@@ -61,7 +61,7 @@ static inline void mtk_vcodec_dbgfs_remove(struct mtk_vcodec_dev *vcodec_dev, in
 {
 }
 
-static inline void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev)
+static inline void mtk_vcodec_dbgfs_init(struct mtk_vcodec_dev *vcodec_dev, bool is_encode)
 {
 }
 
diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c
index 8c2443a18f5e..bba7b932f4fa 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c
@@ -433,7 +433,7 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 		mtk_v4l2_debug(0, "media registered as /dev/media%d", vfd_dec->minor);
 	}
 
-	mtk_vcodec_dbgfs_init(dev);
+	mtk_vcodec_dbgfs_init(dev, false);
 	mtk_v4l2_debug(0, "decoder registered as /dev/video%d", vfd_dec->minor);
 
 	return 0;
-- 
2.18.0