Colin Watson cfe456dc03 Use write-combining MTRR to speed up video with buggy BIOSes. ... * grub-core/video/i386/pc/vbe.c (framebuffer): New member mtrr. (cpuid): New define. (rdmsr): Likewise. (wrmsr): Likewise. (mtrr_base): Likewise. (mtrr_mask): Likewise. (grub_vbe_enable_mtrr_entry): New function. (grub_vbe_enable_mtrr): Likewise. (grub_vbe_disable_mtrr): Likewise. (grub_vbe_bios_set_display_start): Disable mtrr when handing the control off to BIOS. (grub_video_vbe_init): Fill mtrr. (grub_video_vbe_fini): Disable mtrr. (grub_video_vbe_get_info_and_fini): Likewise. (grub_video_vbe_setup): Enable mtrr.		2012-02-27 22:31:51 +01:00
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pc	Use write-combining MTRR to speed up video with buggy BIOSes.	2012-02-27 22:31:51 +01:00