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drm/nouveau/bios/dp: use alternate set of drvctl values where necessary

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2015-08-21 13:19:13 +10:00
parent 7c11c99b3c
commit f10956d445
1 changed files with 4 additions and 5 deletions
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9
drivers/gpu/drm/nouveau/nvkm/subdev/bios/dp.c
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@ -148,7 +148,8 @@ nvbios_dpcfg_entry(struct nvkm_bios *bios, u16 outp, u8 idx,
outp = nvbios_dp_table(bios, ver, hdr, cnt, len);
*hdr = *hdr + (*len * * cnt);
*len = nv_ro08(bios, outp + 0x06);
*cnt = nv_ro08(bios, outp + 0x07);
*cnt = nv_ro08(bios, outp + 0x07) *
nv_ro08(bios, outp + 0x05);
}
if (idx < *cnt)
@ -196,12 +197,10 @@ nvbios_dpcfg_match(struct nvkm_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
u16 data;
if (*ver >= 0x30) {
/*XXX: there's a second set of these on at least 4.1, that
* i've witnessed nvidia using instead of the first
* on gm204. figure out what/why
*/
const u8 vsoff[] = { 0, 4, 7, 9 };
idx = (pc * 10) + vsoff[vs] + pe;
if (*ver >= 0x40 && *hdr >= 0x12)
idx += nv_ro08(bios, outp + 0x11) * 40;
} else {
while ((data = nvbios_dpcfg_entry(bios, outp, ++idx,
ver, hdr, cnt, len))) {