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| 2 | |
| 3 | * Copyright (C) 2025 Zsolt Kajtar ([email protected])
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| 4 |
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| 5 |
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| 6 | #include <linux/export.h>
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| 7 | #include <linux/module.h>
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| 8 | #include <linux/fb.h>
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| 9 | #include <linux/bitrev.h>
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| 10 | #include <asm/types.h>
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| 11 |
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| 12 | #ifdef CONFIG_FB_CFB_REV_PIXELS_IN_BYTE
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| 13 | #define FB_REV_PIXELS_IN_BYTE
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| 14 | #endif
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| 15 |
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| 16 | #include "cfbmem.h"
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| 17 | #include "fb_copyarea.h"
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| 18 |
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| 19 | void cfb_copyarea(struct fb_info *p, const struct fb_copyarea *area)
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| 20 | {
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| 21 | if (p->state != FBINFO_STATE_RUNNING)
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| 22 | return;
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| 23 |
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| 24 | if (p->flags & FBINFO_VIRTFB)
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| 25 | fb_warn_once(p, "%s: framebuffer is not in I/O address space.\n", __func__);
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| 26 |
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| 27 | if (p->fbops->fb_sync)
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| 28 | p->fbops->fb_sync(p);
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| 29 |
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| 30 | fb_copyarea(p, area);
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| 31 | }
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| 32 | EXPORT_SYMBOL(cfb_copyarea);
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| 33 |
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| 34 | MODULE_AUTHOR("Zsolt Kajtar <[email protected]>");
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| 35 | MODULE_DESCRIPTION("I/O memory packed pixel framebuffer area copy");
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| 36 | MODULE_LICENSE("GPL");
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