kernel/0207-style-Code-format-compliance-modifications.patch

From fca0d29c831fd5f0e8b02e2d165b7898f8d9adb1 Mon Sep 17 00:00:00 2001
From: lilijun <lilijun@eswincomputing.com>
Date: Tue, 5 Nov 2024 13:23:29 +0800
Subject: [PATCH 207/219] style:Code format compliance modifications

Changelogs:
1.Remove unused debug file
2.Modify code statement title

Signed-off-by: lilijun <lilijun@eswincomputing.com>
---
 drivers/gpu/drm/eswin/dw-hdmi.c               |  18 +
 drivers/gpu/drm/eswin/dw-hdmi.h               |  19 +-
 drivers/gpu/drm/eswin/dw_hdmi_audio.h         |  22 +-
 drivers/gpu/drm/eswin/dw_hdmi_cec.c           |  19 +
 drivers/gpu/drm/eswin/dw_hdmi_cec.h           |  21 +
 drivers/gpu/drm/eswin/dw_hdmi_hdcp.c          |  17 +-
 drivers/gpu/drm/eswin/dw_hdmi_hdcp.h          |  16 +-
 drivers/gpu/drm/eswin/dw_hdmi_hdcp2.c         |  20 +
 drivers/gpu/drm/eswin/dw_hdmi_i2s_audio.c     |  18 +
 drivers/gpu/drm/eswin/es_crtc.c               |  18 +-
 drivers/gpu/drm/eswin/es_crtc.h               |  20 +-
 drivers/gpu/drm/eswin/es_dc.c                 |  18 +-
 drivers/gpu/drm/eswin/es_dc.h                 |  20 +-
 drivers/gpu/drm/eswin/es_dc_hw.c              |  18 +-
 drivers/gpu/drm/eswin/es_dc_hw.h              |  20 +-
 drivers/gpu/drm/eswin/es_dc_mmu.c             |  18 +-
 drivers/gpu/drm/eswin/es_dc_mmu.h             |  20 +-
 drivers/gpu/drm/eswin/es_drm.h                |  21 +
 drivers/gpu/drm/eswin/es_drv.c                |  18 +-
 drivers/gpu/drm/eswin/es_drv.h                |  20 +-
 drivers/gpu/drm/eswin/es_fb.c                 |  18 +-
 drivers/gpu/drm/eswin/es_fb.h                 |  20 +-
 drivers/gpu/drm/eswin/es_gem.c                |  19 +-
 drivers/gpu/drm/eswin/es_gem.c-dbg            | 607 ------------------
 drivers/gpu/drm/eswin/es_gem.h                |  20 +-
 drivers/gpu/drm/eswin/es_mipi_dsi.c           |  18 +-
 drivers/gpu/drm/eswin/es_mipi_dsi.h           |  20 +-
 drivers/gpu/drm/eswin/es_panel.c              |  21 +
 drivers/gpu/drm/eswin/es_panel.h              |  21 +
 drivers/gpu/drm/eswin/es_plane.c              |  18 +-
 drivers/gpu/drm/eswin/es_plane.h              |  20 +-
 drivers/gpu/drm/eswin/es_simple_enc.c         |  18 +-
 drivers/gpu/drm/eswin/es_simple_enc.h         |  20 +-
 drivers/gpu/drm/eswin/es_type.h               |  20 +-
 drivers/gpu/drm/eswin/es_virtual.c            |  18 +-
 drivers/gpu/drm/eswin/es_virtual.h            |  20 +-
 drivers/gpu/drm/eswin/eswin_dw_hdmi.c         |  20 +-
 .../gpu/drm/eswin/host_lib_driver_linux_if.h  |  21 +
 38 files changed, 664 insertions(+), 656 deletions(-)
 delete mode 100644 drivers/gpu/drm/eswin/es_gem.c-dbg

diff --git a/drivers/gpu/drm/eswin/dw-hdmi.c b/drivers/gpu/drm/eswin/dw-hdmi.c
index 669447d03681..8c73453d2beb 100644
--- a/drivers/gpu/drm/eswin/dw-hdmi.c
+++ b/drivers/gpu/drm/eswin/dw-hdmi.c
@@ -5,6 +5,24 @@
  * Copyright (C) 2013-2015 Mentor Graphics Inc.
  * Copyright (C) 2011-2013 Freescale Semiconductor, Inc.
  * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *****************************************************************************
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 #include <linux/clk.h>
 #include <linux/delay.h>
diff --git a/drivers/gpu/drm/eswin/dw-hdmi.h b/drivers/gpu/drm/eswin/dw-hdmi.h
index 147774f90094..dcfeaada7f1d 100644
--- a/drivers/gpu/drm/eswin/dw-hdmi.h
+++ b/drivers/gpu/drm/eswin/dw-hdmi.h
@@ -1,8 +1,25 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2011 Freescale Semiconductor, Inc.
+ *****************************************************************************
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
-
 #ifndef __DW_HDMI_H__
 #define __DW_HDMI_H__
 
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_audio.h b/drivers/gpu/drm/eswin/dw_hdmi_audio.h
index f72d27208ebe..97e0d9f02490 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_audio.h
+++ b/drivers/gpu/drm/eswin/dw_hdmi_audio.h
@@ -1,4 +1,24 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #ifndef DW_HDMI_AUDIO_H
 #define DW_HDMI_AUDIO_H
 
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_cec.c b/drivers/gpu/drm/eswin/dw_hdmi_cec.c
index 42c57cf1dbc0..56553d1d4abd 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_cec.c
+++ b/drivers/gpu/drm/eswin/dw_hdmi_cec.c
@@ -3,7 +3,26 @@
  * Designware HDMI CEC driver
  *
  * Copyright (C) 2015-2017 Russell King.
+ *****************************************************************************
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
+
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/module.h>
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_cec.h b/drivers/gpu/drm/eswin/dw_hdmi_cec.h
index 9d2547f1ea16..3ea45a7af644 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_cec.h
+++ b/drivers/gpu/drm/eswin/dw_hdmi_cec.h
@@ -1,3 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #ifndef DW_HDMI_CEC_H
 #define DW_HDMI_CEC_H
 
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_hdcp.c b/drivers/gpu/drm/eswin/dw_hdmi_hdcp.c
index a6bb3a8b939d..e342e766cb25 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_hdcp.c
+++ b/drivers/gpu/drm/eswin/dw_hdmi_hdcp.c
@@ -1,16 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) ESWIN Electronics Co.Ltd
+ * ESWIN hdcp driver
  *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
-
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/err.h>
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_hdcp.h b/drivers/gpu/drm/eswin/dw_hdmi_hdcp.h
index a4992e8a8cbc..f11b259c1731 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_hdcp.h
+++ b/drivers/gpu/drm/eswin/dw_hdmi_hdcp.h
@@ -1,14 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) ESWIN Electronics Co.Ltd
+ * ESWIN hdcp driver
  *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef DW_HDMI_HDCP_H
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_hdcp2.c b/drivers/gpu/drm/eswin/dw_hdmi_hdcp2.c
index e387f079eb89..63c01abfb2af 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_hdcp2.c
+++ b/drivers/gpu/drm/eswin/dw_hdmi_hdcp2.c
@@ -1,3 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN hdcp driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/random.h>
diff --git a/drivers/gpu/drm/eswin/dw_hdmi_i2s_audio.c b/drivers/gpu/drm/eswin/dw_hdmi_i2s_audio.c
index e211f8b9ab73..80229c128eeb 100644
--- a/drivers/gpu/drm/eswin/dw_hdmi_i2s_audio.c
+++ b/drivers/gpu/drm/eswin/dw_hdmi_i2s_audio.c
@@ -4,6 +4,24 @@
  *
  * Copyright (c) 2017 Renesas Solutions Corp.
  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *****************************************************************************
+ * ESWIN hdmi driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/dma-mapping.h>
diff --git a/drivers/gpu/drm/eswin/es_crtc.c b/drivers/gpu/drm/eswin/es_crtc.c
index 96cbe4badf91..54b74b638069 100644
--- a/drivers/gpu/drm/eswin/es_crtc.c
+++ b/drivers/gpu/drm/eswin/es_crtc.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/clk.h>
diff --git a/drivers/gpu/drm/eswin/es_crtc.h b/drivers/gpu/drm/eswin/es_crtc.h
index 5f7cf9009d4f..3c8ea4c17d95 100644
--- a/drivers/gpu/drm/eswin/es_crtc.h
+++ b/drivers/gpu/drm/eswin/es_crtc.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_CRTC_H__
diff --git a/drivers/gpu/drm/eswin/es_dc.c b/drivers/gpu/drm/eswin/es_dc.c
index f63bd798320e..daf98bda2105 100644
--- a/drivers/gpu/drm/eswin/es_dc.c
+++ b/drivers/gpu/drm/eswin/es_dc.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/component.h>
diff --git a/drivers/gpu/drm/eswin/es_dc.h b/drivers/gpu/drm/eswin/es_dc.h
index 8dbc3b4d7eb2..89b203eebc98 100644
--- a/drivers/gpu/drm/eswin/es_dc.h
+++ b/drivers/gpu/drm/eswin/es_dc.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_DC_H__
diff --git a/drivers/gpu/drm/eswin/es_dc_hw.c b/drivers/gpu/drm/eswin/es_dc_hw.c
index 440fd1645694..28b2a7b8f93f 100644
--- a/drivers/gpu/drm/eswin/es_dc_hw.c
+++ b/drivers/gpu/drm/eswin/es_dc_hw.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/io.h>
diff --git a/drivers/gpu/drm/eswin/es_dc_hw.h b/drivers/gpu/drm/eswin/es_dc_hw.h
index 1578aad0d79c..8999e0c382b4 100644
--- a/drivers/gpu/drm/eswin/es_dc_hw.h
+++ b/drivers/gpu/drm/eswin/es_dc_hw.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_DC_HW_H__
diff --git a/drivers/gpu/drm/eswin/es_dc_mmu.c b/drivers/gpu/drm/eswin/es_dc_mmu.c
index 260f549aeff7..4e7e6a6be107 100644
--- a/drivers/gpu/drm/eswin/es_dc_mmu.c
+++ b/drivers/gpu/drm/eswin/es_dc_mmu.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/device.h>
diff --git a/drivers/gpu/drm/eswin/es_dc_mmu.h b/drivers/gpu/drm/eswin/es_dc_mmu.h
index ee049e3f40ec..ad5dc4e3dc1a 100644
--- a/drivers/gpu/drm/eswin/es_dc_mmu.h
+++ b/drivers/gpu/drm/eswin/es_dc_mmu.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef _ES_DC_MMU_H_
diff --git a/drivers/gpu/drm/eswin/es_drm.h b/drivers/gpu/drm/eswin/es_drm.h
index 73817dcf024b..5e1cacfc14a0 100644
--- a/drivers/gpu/drm/eswin/es_drm.h
+++ b/drivers/gpu/drm/eswin/es_drm.h
@@ -1,3 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #ifndef __ES_DRM_H__
 #define __ES_DRM_H__
 
diff --git a/drivers/gpu/drm/eswin/es_drv.c b/drivers/gpu/drm/eswin/es_drv.c
index a589b9cc9ae5..1c588106e39c 100644
--- a/drivers/gpu/drm/eswin/es_drv.c
+++ b/drivers/gpu/drm/eswin/es_drv.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/of_graph.h>
diff --git a/drivers/gpu/drm/eswin/es_drv.h b/drivers/gpu/drm/eswin/es_drv.h
index 863e4b1da74a..b6ef6cf9548e 100644
--- a/drivers/gpu/drm/eswin/es_drv.h
+++ b/drivers/gpu/drm/eswin/es_drv.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_DRV_H__
diff --git a/drivers/gpu/drm/eswin/es_fb.c b/drivers/gpu/drm/eswin/es_fb.c
index 9254b784003d..7b566a379d13 100644
--- a/drivers/gpu/drm/eswin/es_fb.c
+++ b/drivers/gpu/drm/eswin/es_fb.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/module.h>
diff --git a/drivers/gpu/drm/eswin/es_fb.h b/drivers/gpu/drm/eswin/es_fb.h
index 6cd8b31684aa..db667daf6e4d 100644
--- a/drivers/gpu/drm/eswin/es_fb.h
+++ b/drivers/gpu/drm/eswin/es_fb.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_FB_H__
diff --git a/drivers/gpu/drm/eswin/es_gem.c b/drivers/gpu/drm/eswin/es_gem.c
index 5406448ee2fb..e44cfa325527 100644
--- a/drivers/gpu/drm/eswin/es_gem.c
+++ b/drivers/gpu/drm/eswin/es_gem.c
@@ -1,8 +1,23 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
-
 #include <linux/dma-buf.h>
 #include <drm/drm_prime.h>
 
diff --git a/drivers/gpu/drm/eswin/es_gem.c-dbg b/drivers/gpu/drm/eswin/es_gem.c-dbg
deleted file mode 100644
index 641fde6cc44e..000000000000
--- a/drivers/gpu/drm/eswin/es_gem.c-dbg
+++ /dev/null
@@ -1,607 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
- */
-
-#include <linux/dma-buf.h>
-#include <drm/drm_prime.h>
-
-#include "es_drv.h"
-#include "es_gem.h"
-
-MODULE_IMPORT_NS(DMA_BUF);
-
-static const struct drm_gem_object_funcs es_gem_default_funcs;
-
-static void nonseq_free(struct page **pages, unsigned int nr_page)
-{
-	u32 i;
-
-	if (!pages)
-		return;
-
-	for (i = 0; i < nr_page; i++)
-		__free_page(pages[i]);
-}
-
-#ifdef CONFIG_ESWIN_MMU
-static int get_pages(unsigned int nr_page, struct es_gem_object *es_obj)
-{
-	struct page *pages;
-	u32 i, num_page, page_count = 0;
-	int order = 0;
-	gfp_t gfp = GFP_KERNEL;
-
-	if (!es_obj->pages)
-		return -EINVAL;
-
-	gfp &= ~__GFP_HIGHMEM;
-	gfp |= __GFP_DMA32;
-
-	num_page = nr_page;
-
-	do {
-		pages = NULL;
-		order = get_order(num_page * PAGE_SIZE);
-		num_page = 1 << order;
-
-		if ((num_page + page_count > nr_page) || (order >= MAX_ORDER)) {
-			num_page = num_page >> 1;
-			continue;
-		}
-
-		pages = alloc_pages(gfp, order);
-		if (!pages) {
-			if (num_page == 1) {
-				nonseq_free(es_obj->pages, page_count);
-				return -ENOMEM;
-			}
-
-			num_page = num_page >> 1;
-		} else {
-			for (i = 0; i < num_page; i++) {
-				es_obj->pages[page_count + i] = &pages[i];
-				SetPageReserved(es_obj->pages[page_count + i]);
-			}
-
-			page_count += num_page;
-			num_page = nr_page - page_count;
-		}
-
-	} while (page_count < nr_page);
-
-	es_obj->get_pages = true;
-
-	return 0;
-}
-#endif
-
-static void put_pages(unsigned int nr_page, struct es_gem_object *es_obj)
-{
-	u32 i;
-
-	for (i = 0; i < nr_page; i++)
-		ClearPageReserved(es_obj->pages[i]);
-
-	nonseq_free(es_obj->pages, nr_page);
-
-	return;
-}
-
-static int es_gem_alloc_buf(struct es_gem_object *es_obj)
-{
-	struct drm_device *dev = es_obj->base.dev;
-	unsigned int nr_pages;
-	struct sg_table sgt;
-	int ret = -ENOMEM;
-#ifdef CONFIG_ESWIN_MMU
-	struct es_drm_private *priv = dev->dev_private;
-#endif
-
-	if (es_obj->dma_addr) {
-		DRM_DEV_DEBUG_KMS(dev->dev, "already allocated.\n");
-		return 0;
-	}
-
-	es_obj->dma_attrs = DMA_ATTR_WRITE_COMBINE;
-
-	if (!is_iommu_enabled(dev))
-		es_obj->dma_attrs |= DMA_ATTR_FORCE_CONTIGUOUS;
-
-	nr_pages = es_obj->size >> PAGE_SHIFT;
-
-	es_obj->pages = kvmalloc_array(nr_pages, sizeof(struct page *),
-				       GFP_KERNEL | __GFP_ZERO);
-	if (!es_obj->pages) {
-		DRM_DEV_ERROR(dev->dev, "failed to allocate pages.\n");
-		return -ENOMEM;
-	}
-
-	es_obj->cookie = dma_alloc_attrs(to_dma_dev(dev), es_obj->size,
-					 &es_obj->dma_addr, GFP_KERNEL,
-					 es_obj->dma_attrs);
-	printk("lijun cma_phy:0x%llx, size:%ld dev name %s\n", es_obj->dma_addr,dev_name(dev->dev));
-	if (!es_obj->cookie) {
-#ifdef CONFIG_ESWIN_MMU
-		ret = get_pages(nr_pages, es_obj);
-		if (ret) {
-			DRM_DEV_ERROR(dev->dev, "fail to allocate buffer.\n");
-			goto err_free;
-		}
-#else
-		DRM_DEV_ERROR(dev->dev, "failed to allocate buffer.\n");
-		goto err_free;
-#endif
-	}
-
-#ifdef CONFIG_ESWIN_MMU
-	/* MMU map*/
-	if (!priv->mmu) {
-		DRM_DEV_ERROR(dev->dev, "invalid mmu.\n");
-		ret = -EINVAL;
-		goto err_mem_free;
-	}
-
-	if (!es_obj->get_pages)
-		ret = dc_mmu_map_memory(priv->mmu, (u64)es_obj->dma_addr,
-					nr_pages, &es_obj->iova, true);
-	else
-		ret = dc_mmu_map_memory(priv->mmu, (u64)es_obj->pages, nr_pages,
-					&es_obj->iova, false);
-
-	if (ret) {
-		DRM_DEV_ERROR(dev->dev, "failed to do mmu map.\n");
-		goto err_mem_free;
-	}
-#else
-	es_obj->iova = es_obj->dma_addr;
-#endif
-
-	if (!es_obj->get_pages) {
-		ret = dma_get_sgtable_attrs(to_dma_dev(dev), &sgt,
-					    es_obj->cookie, es_obj->dma_addr,
-					    es_obj->size, es_obj->dma_attrs);
-		if (ret < 0) {
-			DRM_DEV_ERROR(dev->dev, "failed to get sgtable.\n");
-			goto err_mem_free;
-		}
-
-		if (drm_prime_sg_to_page_array(&sgt, es_obj->pages, nr_pages)) {
-			DRM_DEV_ERROR(dev->dev, "invalid sgtable.\n");
-			ret = -EINVAL;
-			goto err_sgt_free;
-		}
-
-		sg_free_table(&sgt);
-	}
-
-	return 0;
-
-err_sgt_free:
-	sg_free_table(&sgt);
-err_mem_free:
-	if (!es_obj->get_pages)
-		dma_free_attrs(to_dma_dev(dev), es_obj->size, es_obj->cookie,
-			       es_obj->dma_addr, es_obj->dma_attrs);
-	else
-		put_pages(nr_pages, es_obj);
-err_free:
-	kvfree(es_obj->pages);
-
-	return ret;
-}
-
-static void es_gem_free_buf(struct es_gem_object *es_obj)
-{
-	struct drm_device *dev = es_obj->base.dev;
-#ifdef CONFIG_ESWIN_MMU
-	struct es_drm_private *priv = dev->dev_private;
-	unsigned int nr_pages;
-#endif
-
-	if ((!es_obj->get_pages) && (!es_obj->dma_addr)) {
-		DRM_DEV_DEBUG_KMS(dev->dev, "dma_addr is invalid.\n");
-		return;
-	}
-
-#ifdef CONFIG_ESWIN_MMU
-	if (!priv->mmu) {
-		DRM_DEV_ERROR(dev->dev, "invalid mmu.\n");
-		return;
-	}
-
-	if (!es_obj->sgt) { // dumb buffer release
-		nr_pages = es_obj->size >> PAGE_SHIFT;
-		if (es_obj->iova) {
-			dc_mmu_unmap_memory(priv->mmu, es_obj->iova, nr_pages);
-		}
-	} else { // prime buffer release
-		if (es_obj->iova_list) {
-			if (es_obj->iova_list->iova) {
-				dc_mmu_unmap_memory(
-					priv->mmu, es_obj->iova_list->iova,
-					es_obj->iova_list->nr_pages);
-				kfree(es_obj->iova_list);
-			}
-		}
-	}
-#endif
-
-	if (!es_obj->get_pages) {
-		dma_free_attrs(to_dma_dev(dev), es_obj->size, es_obj->cookie,
-			       (dma_addr_t)es_obj->dma_addr, es_obj->dma_attrs);
-	} else {
-		if (!es_obj->dma_addr) {
-			DRM_DEV_ERROR(dev->dev, "No dma addr allocated, no need to free\n");
-			return;
-		}
-		put_pages(es_obj->size >> PAGE_SHIFT, es_obj);
-	}
-
-	kvfree(es_obj->pages);
-}
-
-static void es_gem_free_object(struct drm_gem_object *obj)
-{
-	struct es_gem_object *es_obj = to_es_gem_object(obj);
-
-#ifdef CONFIG_ESWIN_MMU
-	if (es_obj)
-		es_gem_free_buf(es_obj);
-#endif
-	if (obj->import_attach) {
-		drm_prime_gem_destroy(obj, es_obj->sgt);
-	}
-
-	drm_gem_object_release(obj);
-
-	kfree(es_obj);
-}
-
-static struct es_gem_object *es_gem_alloc_object(struct drm_device *dev,
-						 size_t size)
-{
-	struct es_gem_object *es_obj;
-	struct drm_gem_object *obj;
-	int ret;
-
-	es_obj = kzalloc(sizeof(*es_obj), GFP_KERNEL);
-	if (!es_obj)
-		return ERR_PTR(-ENOMEM);
-
-	es_obj->size = size;
-	obj = &es_obj->base;
-
-	ret = drm_gem_object_init(dev, obj, size);
-	if (ret)
-		goto err_free;
-
-	es_obj->base.funcs = &es_gem_default_funcs;
-
-	ret = drm_gem_create_mmap_offset(obj);
-	if (ret) {
-		drm_gem_object_release(obj);
-		goto err_free;
-	}
-
-	return es_obj;
-
-err_free:
-	kfree(es_obj);
-	return ERR_PTR(ret);
-}
-
-struct es_gem_object *es_gem_create_object(struct drm_device *dev, size_t size)
-{
-	struct es_gem_object *es_obj;
-	int ret;
-
-	size = PAGE_ALIGN(size);
-
-	es_obj = es_gem_alloc_object(dev, size);
-	if (IS_ERR(es_obj))
-		return es_obj;
-
-	ret = es_gem_alloc_buf(es_obj);
-	if (ret) {
-		drm_gem_object_release(&es_obj->base);
-		kfree(es_obj);
-		return ERR_PTR(ret);
-	}
-
-	return es_obj;
-}
-
-static struct es_gem_object *es_gem_create_with_handle(struct drm_device *dev,
-						       struct drm_file *file,
-						       size_t size,
-						       unsigned int *handle)
-{
-	struct es_gem_object *es_obj;
-	struct drm_gem_object *obj;
-	int ret;
-
-	es_obj = es_gem_create_object(dev, size);
-	if (IS_ERR(es_obj))
-		return es_obj;
-
-	obj = &es_obj->base;
-
-	ret = drm_gem_handle_create(file, obj, handle);
-	drm_gem_object_put(obj);
-	if (ret) {
-		pr_err("Drm GEM handle create failed\n");
-		return ERR_PTR(ret);
-	}
-
-	return es_obj;
-}
-
-static int es_gem_mmap_obj(struct drm_gem_object *obj,
-			   struct vm_area_struct *vma)
-{
-	struct es_gem_object *es_obj = to_es_gem_object(obj);
-	struct drm_device *drm_dev = es_obj->base.dev;
-	unsigned long vm_size;
-	int ret = 0;
-
-	vm_size = vma->vm_end - vma->vm_start;
-	if (vm_size > es_obj->size)
-		return -EINVAL;
-
-	vma->vm_pgoff = 0;
-
-	if (!es_obj->get_pages) {
-		vm_flags_clear(vma, VM_PFNMAP);
-
-		ret = dma_mmap_attrs(to_dma_dev(drm_dev), vma, es_obj->cookie,
-				     es_obj->dma_addr, es_obj->size,
-				     es_obj->dma_attrs);
-	} else {
-		u32 i, nr_pages, pfn = 0U;
-		unsigned long start;
-
-		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-		vm_flags_set(vma, VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_DONTDUMP);
-		start = vma->vm_start;
-		vm_size = PAGE_ALIGN(vm_size);
-		nr_pages = vm_size >> PAGE_SHIFT;
-
-		for (i = 0; i < nr_pages; i++) {
-			pfn = page_to_pfn(es_obj->pages[i]);
-
-			ret = remap_pfn_range(vma, start, pfn, PAGE_SIZE,
-					      vma->vm_page_prot);
-			if (ret < 0)
-				break;
-
-			start += PAGE_SIZE;
-		}
-	}
-
-	if (ret)
-		drm_gem_vm_close(vma);
-
-	return ret;
-}
-
-struct sg_table *es_gem_prime_get_sg_table(struct drm_gem_object *obj)
-{
-	struct es_gem_object *es_obj = to_es_gem_object(obj);
-
-	return drm_prime_pages_to_sg(obj->dev, es_obj->pages,
-				     es_obj->size >> PAGE_SHIFT);
-}
-
-static int es_gem_prime_vmap(struct drm_gem_object *obj,
-			     struct iosys_map *map)
-{
-	struct es_gem_object *es_obj = to_es_gem_object(obj);
-
-	void * vaddr = es_obj->dma_attrs & DMA_ATTR_NO_KERNEL_MAPPING ?
-		       page_address(es_obj->cookie) : es_obj->cookie;
-
-	iosys_map_set_vaddr(map, vaddr);
-
-	return 0;
-}
-
-static void es_gem_prime_vunmap(struct drm_gem_object *obj,
-				struct iosys_map *map)
-{
-	/* Nothing to do */
-}
-
-static const struct vm_operations_struct es_vm_ops = {
-	.open = drm_gem_vm_open,
-	.close = drm_gem_vm_close,
-};
-
-static const struct drm_gem_object_funcs es_gem_default_funcs = {
-	.free = es_gem_free_object,
-	.get_sg_table = es_gem_prime_get_sg_table,
-	.vmap = es_gem_prime_vmap,
-	.vunmap = es_gem_prime_vunmap,
-	.vm_ops = &es_vm_ops,
-};
-
-int es_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-		       struct drm_mode_create_dumb *args)
-{
-	struct es_drm_private *priv = dev->dev_private;
-	struct es_gem_object *es_obj;
-	unsigned int pitch = args->width * DIV_ROUND_UP(args->bpp, 8);
-
-	args->pitch = ALIGN(pitch, priv->pitch_alignment);
-	args->size = PAGE_ALIGN(args->pitch * args->height);
-
-	es_obj =
-		es_gem_create_with_handle(dev, file, args->size, &args->handle);
-	return PTR_ERR_OR_ZERO(es_obj);
-}
-
-struct drm_gem_object *es_gem_prime_import(struct drm_device *dev,
-					   struct dma_buf *dma_buf)
-{
-	return drm_gem_prime_import_dev(dev, dma_buf, to_dma_dev(dev));
-}
-
-struct drm_gem_object *
-es_gem_prime_import_sg_table(struct drm_device *dev,
-			     struct dma_buf_attachment *attach,
-			     struct sg_table *sgt)
-{
-	struct es_gem_object *es_obj;
-	int npages;
-	int ret;
-	struct scatterlist *s = NULL;
-	u32 i = 0;
-	dma_addr_t expected;
-	size_t size = attach->dmabuf->size;
-#ifdef CONFIG_ESWIN_MMU
-	u32 iova, j;
-	struct scatterlist **splist;
-	struct es_drm_private *priv = dev->dev_private;
-
-	if (!priv->mmu) {
-		DRM_ERROR("invalid mmu.\n");
-		ret = -EINVAL;
-		return ERR_PTR(ret);
-	}
-#endif
-
-	size = PAGE_ALIGN(size);
-
-	es_obj = es_gem_alloc_object(dev, size);
-	if (IS_ERR(es_obj))
-		return ERR_CAST(es_obj);
-
-	npages = es_obj->size >> PAGE_SHIFT;
-	es_obj->pages =
-		kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
-	if (!es_obj->pages) {
-		ret = -ENOMEM;
-		goto err_gemalloc;
-	}
-
-	ret = drm_prime_sg_to_page_array(sgt, es_obj->pages, npages);
-	if (ret)
-		goto err_free_page;
-
-	expected = sg_dma_address(sgt->sgl);
-	printk("lijun : dma sgl dma:0x%llx, phy:0x%llx\n", expected);
-#ifdef CONFIG_ESWIN_MMU
-	splist = (struct scatterlist **)kzalloc(sizeof(s) * sgt->nents,
-						GFP_KERNEL);
-	if (!splist) {
-		DRM_ERROR("Allocate splist failed");
-		ret = -ENOMEM;
-		goto err_free_page;
-	}
-
-	es_obj->iova_list =
-		(iova_info_t *)kzalloc(sizeof(iova_info_t), GFP_KERNEL);
-	if (!es_obj->iova_list) {
-		DRM_ERROR("Allocate splist failed");
-		ret = -ENOMEM;
-		goto err_sp;
-	}
-
-	for_each_sg (sgt->sgl, s, sgt->nents, i) {
-		splist[i] = s;
-	}
-	i = 0;
-	es_obj->nr_iova = sgt->nents;
-
-	for (j = sgt->nents; j > 0; j--) {
-		s = splist[j - 1];
-#else
-	for_each_sg (sgt->sgl, s, sgt->nents, i) {
-#endif
-		if (sg_dma_address(s) != expected) {
-#ifndef CONFIG_ESWIN_MMU
-			DRM_ERROR("sg_table is not contiguous");
-			ret = -EINVAL;
-			goto err;
-#endif
-		}
-
-		if (sg_dma_len(s) & (PAGE_SIZE - 1)) {
-			ret = -EINVAL;
-			goto err;
-		}
-
-#ifdef CONFIG_ESWIN_MMU
-		iova = 0;
-
-		if (j == 1) {
-			ret = dc_mmu_map_memory(priv->mmu, (u64)es_obj->pages,
-						npages, &iova, false);
-			if (ret) {
-				DRM_ERROR("failed to do mmu map.\n");
-				goto err;
-			}
-			es_obj->iova_list->iova = iova;
-			es_obj->iova_list->nr_pages = npages;
-		}
-
-		if (i == 0)
-			es_obj->iova = iova;
-#else
-		if (i == 0)
-			es_obj->iova = sg_dma_address(s);
-#endif
-
-		expected = sg_dma_address(s) + sg_dma_len(s);
-	}
-
-	es_obj->dma_addr = sg_dma_address(sgt->sgl);
-
-	es_obj->sgt = sgt;
-#ifdef CONFIG_ESWIN_MMU
-	kfree(splist);
-#endif
-
-	return &es_obj->base;
-
-#ifdef CONFIG_ESWIN_MMU
-err:
-	kfree(es_obj->iova_list);
-err_sp:
-	kfree(splist);
-#endif
-err_free_page:
-	kvfree(es_obj->pages);
-err_gemalloc:
-	es_gem_free_object(&es_obj->base);
-
-	return ERR_PTR(ret);
-}
-
-int es_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
-{
-	int ret = 0;
-
-	ret = drm_gem_mmap_obj(obj, obj->size, vma);
-	if (ret < 0)
-		return ret;
-
-	return es_gem_mmap_obj(obj, vma);
-}
-
-int es_gem_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_gem_object *obj;
-	int ret;
-
-	ret = drm_gem_mmap(filp, vma);
-	if (ret)
-		return ret;
-
-	obj = vma->vm_private_data;
-
-	if (obj->import_attach)
-		return dma_buf_mmap(obj->dma_buf, vma, 0);
-
-	return es_gem_mmap_obj(obj, vma);
-}
diff --git a/drivers/gpu/drm/eswin/es_gem.h b/drivers/gpu/drm/eswin/es_gem.h
index b14b32ea5cb4..4dc902406052 100644
--- a/drivers/gpu/drm/eswin/es_gem.h
+++ b/drivers/gpu/drm/eswin/es_gem.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_GEM_H__
diff --git a/drivers/gpu/drm/eswin/es_mipi_dsi.c b/drivers/gpu/drm/eswin/es_mipi_dsi.c
index a083eebdea4d..0707ad4155c6 100644
--- a/drivers/gpu/drm/eswin/es_mipi_dsi.c
+++ b/drivers/gpu/drm/eswin/es_mipi_dsi.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/clk.h>
diff --git a/drivers/gpu/drm/eswin/es_mipi_dsi.h b/drivers/gpu/drm/eswin/es_mipi_dsi.h
index 4a757e527736..2c21ced10992 100644
--- a/drivers/gpu/drm/eswin/es_mipi_dsi.h
+++ b/drivers/gpu/drm/eswin/es_mipi_dsi.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_MIPI_DSI_H__
diff --git a/drivers/gpu/drm/eswin/es_panel.c b/drivers/gpu/drm/eswin/es_panel.c
index 45424570364c..185a5b5a8daf 100644
--- a/drivers/gpu/drm/eswin/es_panel.c
+++ b/drivers/gpu/drm/eswin/es_panel.c
@@ -1,3 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #include "es_panel.h"
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
diff --git a/drivers/gpu/drm/eswin/es_panel.h b/drivers/gpu/drm/eswin/es_panel.h
index 96ae0171f379..093ac739e5e9 100644
--- a/drivers/gpu/drm/eswin/es_panel.h
+++ b/drivers/gpu/drm/eswin/es_panel.h
@@ -1,3 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #ifndef _ES_PANEL_H__
 #define _ES_PANEL_H__
 
diff --git a/drivers/gpu/drm/eswin/es_plane.c b/drivers/gpu/drm/eswin/es_plane.c
index 68e14d921de5..93b97db5cb73 100644
--- a/drivers/gpu/drm/eswin/es_plane.c
+++ b/drivers/gpu/drm/eswin/es_plane.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <drm/drm_atomic.h>
diff --git a/drivers/gpu/drm/eswin/es_plane.h b/drivers/gpu/drm/eswin/es_plane.h
index cc41d0741361..b7e7d4617d49 100644
--- a/drivers/gpu/drm/eswin/es_plane.h
+++ b/drivers/gpu/drm/eswin/es_plane.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_PLANE_H__
diff --git a/drivers/gpu/drm/eswin/es_simple_enc.c b/drivers/gpu/drm/eswin/es_simple_enc.c
index fbc725fc64ea..e5bbb2381107 100644
--- a/drivers/gpu/drm/eswin/es_simple_enc.c
+++ b/drivers/gpu/drm/eswin/es_simple_enc.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/component.h>
diff --git a/drivers/gpu/drm/eswin/es_simple_enc.h b/drivers/gpu/drm/eswin/es_simple_enc.h
index bc461e1231e3..bd7f2212f2a2 100644
--- a/drivers/gpu/drm/eswin/es_simple_enc.h
+++ b/drivers/gpu/drm/eswin/es_simple_enc.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_SIMPLE_ENC_H_
diff --git a/drivers/gpu/drm/eswin/es_type.h b/drivers/gpu/drm/eswin/es_type.h
index aca0a83b0017..c180315e5835 100644
--- a/drivers/gpu/drm/eswin/es_type.h
+++ b/drivers/gpu/drm/eswin/es_type.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_TYPE_H__
diff --git a/drivers/gpu/drm/eswin/es_virtual.c b/drivers/gpu/drm/eswin/es_virtual.c
index eb546d32b4f3..b2f2770804db 100644
--- a/drivers/gpu/drm/eswin/es_virtual.c
+++ b/drivers/gpu/drm/eswin/es_virtual.c
@@ -1,6 +1,22 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/component.h>
diff --git a/drivers/gpu/drm/eswin/es_virtual.h b/drivers/gpu/drm/eswin/es_virtual.h
index 484d146ea178..fc7fa59e586b 100644
--- a/drivers/gpu/drm/eswin/es_virtual.h
+++ b/drivers/gpu/drm/eswin/es_virtual.h
@@ -1,6 +1,22 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (C) 2020 Eswin Holdings Co., Ltd.
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #ifndef __ES_VIRTUAL_H_
diff --git a/drivers/gpu/drm/eswin/eswin_dw_hdmi.c b/drivers/gpu/drm/eswin/eswin_dw_hdmi.c
index 1412036bdc31..77c1481b2d2e 100644
--- a/drivers/gpu/drm/eswin/eswin_dw_hdmi.c
+++ b/drivers/gpu/drm/eswin/eswin_dw_hdmi.c
@@ -1,6 +1,22 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2021, ESWIN Electronics Co., Ltd
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
  */
 
 #include <linux/component.h>
diff --git a/drivers/gpu/drm/eswin/host_lib_driver_linux_if.h b/drivers/gpu/drm/eswin/host_lib_driver_linux_if.h
index 0cde34421994..bc544798575e 100644
--- a/drivers/gpu/drm/eswin/host_lib_driver_linux_if.h
+++ b/drivers/gpu/drm/eswin/host_lib_driver_linux_if.h
@@ -1,3 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ESWIN drm driver
+ *
+ * Copyright 2024, Beijing ESWIN Computing Technology Co., Ltd.. All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Authors: Eswin Driver team
+ */
+
 #ifndef _HOST_LIB_DRIVER_LINUX_IF_H_
 #define _HOST_LIB_DRIVER_LINUX_IF_H_
 
-- 
2.47.0