linux-kernel - [PATCH v4 05/10] drm/vs: add vs mode config init

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Message-Id: <20240521105817.3301-6-keith.zhao@starfivetech.com>
Date: Tue, 21 May 2024 18:58:12 +0800
From: keith <keith.zhao@...rfivetech.com>
To: andrzej.hajda@...el.com,
	neil.armstrong@...aro.org,
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Cc: dri-devel@...ts.freedesktop.org,
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	linux-kernel@...r.kernel.org,
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	keith.zhao@...rfivetech.com
Subject: [PATCH v4 05/10] drm/vs: add vs mode config init

add vs mode config base api

Signed-off-by: keith <keith.zhao@...rfivetech.com>
---
 drivers/gpu/drm/verisilicon/Makefile     |  3 +-
 drivers/gpu/drm/verisilicon/vs_modeset.c | 36 ++++++++++++++++++++++++
 drivers/gpu/drm/verisilicon/vs_modeset.h | 10 +++++++
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 drivers/gpu/drm/verisilicon/vs_modeset.c
 create mode 100644 drivers/gpu/drm/verisilicon/vs_modeset.h

diff --git a/drivers/gpu/drm/verisilicon/Makefile b/drivers/gpu/drm/verisilicon/Makefile
index 7da54b259940..536091f37378 100644
--- a/drivers/gpu/drm/verisilicon/Makefile
+++ b/drivers/gpu/drm/verisilicon/Makefile
@@ -1,5 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-vs_drm-objs := vs_dc_hw.o
+vs_drm-objs := vs_dc_hw.o \
+		vs_modeset.o
 
 obj-$(CONFIG_DRM_VERISILICON_DC8200) += vs_drm.o
diff --git a/drivers/gpu/drm/verisilicon/vs_modeset.c b/drivers/gpu/drm/verisilicon/vs_modeset.c
new file mode 100644
index 000000000000..c71fe0d32504
--- /dev/null
+++ b/drivers/gpu/drm/verisilicon/vs_modeset.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 VeriSilicon Holdings Co., Ltd.
+ */
+#include <drm/drm_damage_helper.h>
+#include <drm/drm_fb_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+
+#include "vs_modeset.h"
+
+static const struct drm_mode_config_funcs vs_mode_config_funcs = {
+	.fb_create			 = drm_gem_fb_create,
+	.atomic_check		 = drm_atomic_helper_check,
+	.atomic_commit		 = drm_atomic_helper_commit,
+};
+
+static struct drm_mode_config_helper_funcs vs_mode_config_helpers = {
+	.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
+};
+
+void vs_mode_config_init(struct drm_device *dev)
+{
+	int ret;
+
+	ret = drmm_mode_config_init(dev);
+	if (ret)
+		return;
+
+	dev->mode_config.min_width  = 0;
+	dev->mode_config.min_height = 0;
+	dev->mode_config.max_width  = 4096;
+	dev->mode_config.max_height = 4096;
+
+	dev->mode_config.funcs = &vs_mode_config_funcs;
+	dev->mode_config.helper_private = &vs_mode_config_helpers;
+}
diff --git a/drivers/gpu/drm/verisilicon/vs_modeset.h b/drivers/gpu/drm/verisilicon/vs_modeset.h
new file mode 100644
index 000000000000..bd04f81d2ad2
--- /dev/null
+++ b/drivers/gpu/drm/verisilicon/vs_modeset.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 VeriSilicon Holdings Co., Ltd.
+ */
+
+#ifndef __VS_MODESET_H__
+#define __VS_MODESET_H__
+
+void vs_mode_config_init(struct drm_device *dev);
+#endif /* __VS_FB_H__ */
-- 
2.27.0