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authorLeah Rowe <leah@libreboot.org>2024-04-05 23:53:03 +0100
committerLeah Rowe <leah@libreboot.org>2024-04-06 01:28:10 +0100
commit4134a883d0d8dd4020f2ddca7416e0b9f82b8843 (patch)
tree5683aee5a7fccd60aa338b8ff227ba9d03110322 /config/grub/patches/0001-borderfix
parentf7283fa10dad76f20ec4ed2841dbbbb00ee9c865 (diff)
add 9020 sff/mt targets that use broadwell mrc
broadwell mrc has better peg handling and can support 16gb modules on broadwell machines - the blob can be used on haswell machines too, instead of haswell mrc, and it might support 16gb modules on these machines (not yet tested, but using broadwell mrc does at least boot as reliably as haswell mrc anyway) one little quirk with haswell mrc is that it actually handles vga decode, disabling the igpu entirely, when a dgpu is used. the broadwell mrc enables both GPUs and does not handle vga decoding, so we must handle this the usual way; my patch for this was merged upstream and i'm also adding it to libreboot, which currently uses an older coreboot revision. this is needed for dgpu to work. see patch: 0040-nb-haswell-Disable-iGPU-when-dGPU-is-used.patch broadwell mrc may also make dealing with nvidia optimus setups more reliable, on laptops that have nvidia GPUs, but this patch does not add bmrc configs for t440p/w541 NOTE: on t440p/w541 laptops with nvidia graphics, the video output is wired to intel but rendering can be offloaded to nvidia. in this setup, we want vga decode to be done on intel, so i've set these configs to enable CONFIG_ONBOARD_VGA_IS_PRIMARY (set it to y) Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'config/grub/patches/0001-borderfix')
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