drm/nouveau/bios/dp: parse lane postcursor data
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
index 834ee0e..d4dfcde 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv94.c
@@ -128,9 +128,9 @@
data[0] = nv_rd32(priv, 0x61c118 + loff) & ~(0x000000ff << shift);
data[1] = nv_rd32(priv, 0x61c120 + loff) & ~(0x000000ff << shift);
data[2] = nv_rd32(priv, 0x61c130 + loff) & ~(0x0000ff00);
- nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.drv << shift));
- nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pre << shift));
- nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.unk << 8));
+ nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
+ nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
+ nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
index 07cc2d5..0055f86 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornvd0.c
@@ -87,7 +87,7 @@
struct nouveau_bios *bios = nouveau_bios(priv);
const u32 shift = nvd0_sor_dp_lane_map(priv, ln);
const u32 loff = nvd0_sor_loff(outp);
- u32 addr, data[3];
+ u32 addr, data[4];
u8 ver, hdr, cnt, len;
struct nvbios_dpout info;
struct nvbios_dpcfg ocfg;
@@ -98,7 +98,7 @@
if (!addr)
return -ENODEV;
- addr = nvbios_dpcfg_match(bios, addr, 0, vs, pe,
+ addr = nvbios_dpcfg_match(bios, addr, pc, vs, pe,
&ver, &hdr, &cnt, &len, &ocfg);
if (!addr)
return -EINVAL;
@@ -106,10 +106,11 @@
data[0] = nv_rd32(priv, 0x61c118 + loff) & ~(0x000000ff << shift);
data[1] = nv_rd32(priv, 0x61c120 + loff) & ~(0x000000ff << shift);
data[2] = nv_rd32(priv, 0x61c130 + loff) & ~(0x0000ff00);
- nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.drv << shift));
- nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pre << shift));
- nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.unk << 8));
- nv_mask(priv, 0x61c13c + loff, 0x00000000, 0x00000000);
+ nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
+ nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
+ nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
+ data[3] = nv_rd32(priv, 0x61c13c + loff) & ~(0x000000ff << shift);
+ nv_wr32(priv, 0x61c13c + loff, data[3] | (ocfg.pc << shift));
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/dp.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/dp.h
index 6e54218..728206e 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/bios/dp.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/dp.h
@@ -17,9 +17,10 @@
struct nvbios_dpout *);
struct nvbios_dpcfg {
- u8 drv;
- u8 pre;
- u8 unk;
+ u8 pc;
+ u8 dc;
+ u8 pe;
+ u8 tx_pu;
};
u16
@@ -27,7 +28,7 @@
u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
struct nvbios_dpcfg *);
u16
-nvbios_dpcfg_match(struct nouveau_bios *, u16 outp, u8 un, u8 vs, u8 pe,
+nvbios_dpcfg_match(struct nouveau_bios *, u16 outp, u8 pc, u8 vs, u8 pe,
u8 *ver, u8 *hdr, u8 *cnt, u8 *len,
struct nvbios_dpcfg *);
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);
}