drm/nouveau/bios/dp: parse lane postcursor data
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dp.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dp.c
index 7628fe7..f309dd6 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dp.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dp.c
@@ -162,18 +162,20 @@
struct nvbios_dpcfg *info)
{
u16 data = nvbios_dpcfg_entry(bios, outp, idx, ver, hdr, cnt, len);
+ memset(info, 0x00, sizeof(*info));
if (data) {
switch (*ver) {
case 0x21:
- info->drv = nv_ro08(bios, data + 0x02);
- info->pre = nv_ro08(bios, data + 0x03);
- info->unk = nv_ro08(bios, data + 0x04);
+ info->dc = nv_ro08(bios, data + 0x02);
+ info->pe = nv_ro08(bios, data + 0x03);
+ info->tx_pu = nv_ro08(bios, data + 0x04);
break;
case 0x30:
case 0x40:
- info->drv = nv_ro08(bios, data + 0x01);
- info->pre = nv_ro08(bios, data + 0x02);
- info->unk = nv_ro08(bios, data + 0x03);
+ info->pc = nv_ro08(bios, data + 0x00);
+ info->dc = nv_ro08(bios, data + 0x01);
+ info->pe = nv_ro08(bios, data + 0x02);
+ info->tx_pu = nv_ro08(bios, data + 0x03);
break;
default:
data = 0x0000;
@@ -184,7 +186,7 @@
}
u16
-nvbios_dpcfg_match(struct nouveau_bios *bios, u16 outp, u8 un, u8 vs, u8 pe,
+nvbios_dpcfg_match(struct nouveau_bios *bios, u16 outp, u8 pc, u8 vs, u8 pe,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
struct nvbios_dpcfg *info)
{
@@ -193,16 +195,15 @@
if (*ver >= 0x30) {
const u8 vsoff[] = { 0, 4, 7, 9 };
- idx = (un * 10) + vsoff[vs] + pe;
+ idx = (pc * 10) + vsoff[vs] + pe;
} else {
- while ((data = nvbios_dpcfg_entry(bios, outp, idx,
+ while ((data = nvbios_dpcfg_entry(bios, outp, ++idx,
ver, hdr, cnt, len))) {
if (nv_ro08(bios, data + 0x00) == vs &&
nv_ro08(bios, data + 0x01) == pe)
break;
- idx++;
}
}
- return nvbios_dpcfg_parse(bios, outp, pe, ver, hdr, cnt, len, info);
+ return nvbios_dpcfg_parse(bios, outp, idx, ver, hdr, cnt, len, info);
}