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experiments/dcp.py: Upload fb in 512k chunks for slow (v)UARTs

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Signed-off-by: Janne Grunau <j@jannau.net>
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Janne Grunau 2022-03-08 00:29:22 +01:00 committed by Hector Martin
parent f297decfb4
commit 5e8beca9fe
1 changed files with 5 additions and 1 deletions
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6
proxyclient/experiments/dcp.py
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@ -281,7 +281,11 @@ print(f"Dispaly {width}x{height}, fb size: {fb_size}")
buf = u.memalign(0x4000, fb_size) buf = u.memalign(0x4000, fb_size)
iface.writemem(buf, open("asahi.bin", "rb").read()) img = open("asahi.bin", "rb")
block = 512 * 1024
for off in range(0, fb_size, block):
iface.writemem(buf + off, img.read(min(block, fb_size - off)))
iova = disp_dart.iomap(0, buf, fb_size) iova = disp_dart.iomap(0, buf, fb_size)