Liu Xinyun 639c698626 dm: reserve 16M hole for gvt in e820 table ...

Add 16M@0xDF000000 for GVT usage as below. Currently, use 8M for GOP
framebuf, it satisfies display resolution of 1920x1080@32bpp

start         end          size    Note
[0x 00000000, 0x 000A0000] 640K
[0x 000A0000, 0x 00100000] 384K
[0x 00100000, 0x 7ff00000] 2G-1M   lowmem-1M
[0x 80000000, 0x 88000000] 128M    [lowmem, +128M]
[0x DF000000, 0x E0000000] 16M     *gvt*
[0x e0000000, 0x100000000] 512M
[0x100000000, 0x140000000] 1G

*gvt*:
[0xDF000000, 0xDF800000] 8M      GOP FB
[0xDFFFD000, 0XE0000000] 12K     opregion

Tracked-On: #3624

Signed-off-by: Liu Xinyun <xinyun.liu@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

2019-09-10 09:50:39 +08:00

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