mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-28 18:10:32 +00:00
4963049ea1
Drop simple-KMS in favor of regular atomic helpers to make the code more modular. The simple-KMS helper mix up plane and CRTC state, so it is obsolete and should go away [1]. Since it just split the simple-pipe functions into per-plane and per-CRTC, no functional changes is expected. [1] https://lore.kernel.org/lkml/dae5089d-e214-4518-b927-5c4149babad8@suse.de/ Acked-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Ryosuke Yasuoka <ryasuoka@redhat.com> Link: https://lore.kernel.org/r/20250427101825.812766-1-ryasuoka@redhat.com Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com>
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2021 Microsoft
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*/
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#ifndef _HYPERV_DRM_H_
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#define _HYPERV_DRM_H_
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#define VMBUS_MAX_PACKET_SIZE 0x4000
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struct hyperv_drm_device {
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/* drm */
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struct drm_device dev;
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struct drm_plane plane;
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struct drm_crtc crtc;
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struct drm_encoder encoder;
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struct drm_connector connector;
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/* mode */
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u32 screen_width_max;
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u32 screen_height_max;
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u32 preferred_width;
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u32 preferred_height;
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u32 screen_depth;
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/* hw */
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struct resource *mem;
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void __iomem *vram;
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unsigned long fb_base;
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unsigned long fb_size;
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struct completion wait;
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u32 synthvid_version;
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u32 mmio_megabytes;
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bool dirt_needed;
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u8 init_buf[VMBUS_MAX_PACKET_SIZE];
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u8 recv_buf[VMBUS_MAX_PACKET_SIZE];
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struct hv_device *hdev;
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};
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#define to_hv(_dev) container_of(_dev, struct hyperv_drm_device, dev)
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/* hyperv_drm_modeset */
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int hyperv_mode_config_init(struct hyperv_drm_device *hv);
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/* hyperv_drm_proto */
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int hyperv_update_vram_location(struct hv_device *hdev, phys_addr_t vram_pp);
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int hyperv_update_situation(struct hv_device *hdev, u8 active, u32 bpp,
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u32 w, u32 h, u32 pitch);
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int hyperv_hide_hw_ptr(struct hv_device *hdev);
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int hyperv_update_dirt(struct hv_device *hdev, struct drm_rect *rect);
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int hyperv_connect_vsp(struct hv_device *hdev);
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#endif
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