Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/gpu/drm/hyperv/hyperv_drm.h b/drivers/gpu/drm/hyperv/hyperv_drm.h
new file mode 100644
index 0000000000..d2d8582b36
--- /dev/null
+++ b/drivers/gpu/drm/hyperv/hyperv_drm.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright 2021 Microsoft
+ */
+
+#ifndef _HYPERV_DRM_H_
+#define _HYPERV_DRM_H_
+
+#define VMBUS_MAX_PACKET_SIZE 0x4000
+
+struct hyperv_drm_device {
+	/* drm */
+	struct drm_device dev;
+	struct drm_simple_display_pipe pipe;
+	struct drm_connector connector;
+
+	/* mode */
+	u32 screen_width_max;
+	u32 screen_height_max;
+	u32 preferred_width;
+	u32 preferred_height;
+	u32 screen_depth;
+
+	/* hw */
+	struct resource *mem;
+	void __iomem *vram;
+	unsigned long fb_base;
+	unsigned long fb_size;
+	struct completion wait;
+	u32 synthvid_version;
+	u32 mmio_megabytes;
+	bool dirt_needed;
+
+	u8 init_buf[VMBUS_MAX_PACKET_SIZE];
+	u8 recv_buf[VMBUS_MAX_PACKET_SIZE];
+
+	struct hv_device *hdev;
+};
+
+#define to_hv(_dev) container_of(_dev, struct hyperv_drm_device, dev)
+
+/* hyperv_drm_modeset */
+int hyperv_mode_config_init(struct hyperv_drm_device *hv);
+
+/* hyperv_drm_proto */
+int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp);
+int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp,
+			    u32 w, u32 h, u32 pitch);
+int hyperv_hide_hw_ptr(struct hv_device *hdev);
+int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect);
+int hyperv_connect_vsp(struct hv_device *hdev);
+
+#endif