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drm/nouveau/dp: support version 4.0 of DP table 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-03-11 16:08:05 +10:00
parent e592c73b91
commit 6544599249
3 changed files with 19 additions and 1 deletions
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3
drivers/gpu/drm/nouveau/nouveau_bios.c
View File

@ -1144,7 +1144,8 @@ init_dp_condition(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
break;
case 1:
case 2:
if (!(entry[5] & cond))
if ((table[0] < 0x40 && !(entry[5] & cond)) ||
(table[0] == 0x40 && !(entry[4] & cond)))
iexec->execute = false;
break;
case 5:

11
drivers/gpu/drm/nouveau/nouveau_dp.c
View File

@ -188,6 +188,7 @@ nouveau_dp_bios_data(struct drm_device *dev, struct dcb_entry *dcb, u8 **entry)
case 0x20:
case 0x21:
case 0x30:
case 0x40:
break;
default:
NV_ERROR(dev, "displayport table 0x%02x unknown\n", table[0]);
@ -366,6 +367,10 @@ dp_set_downspread(struct drm_device *dev, struct dp_state *dp, bool enable)
if (table[0] >= 0x20 && table[0] <= 0x30) {
if (enable) script = ROM16(entry[12]);
else script = ROM16(entry[14]);
} else
if (table[0] == 0x40) {
if (enable) script = ROM16(entry[11]);
else script = ROM16(entry[13]);
}
}
@ -380,6 +385,9 @@ dp_link_train_init(struct drm_device *dev, struct dp_state *dp)
if (table) {
if (table[0] >= 0x20 && table[0] <= 0x30)
script = ROM16(entry[6]);
else
if (table[0] == 0x40)
script = ROM16(entry[5]);
}
nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc);
@ -393,6 +401,9 @@ dp_link_train_fini(struct drm_device *dev, struct dp_state *dp)
if (table) {
if (table[0] >= 0x20 && table[0] <= 0x30)
script = ROM16(entry[8]);
else
if (table[0] == 0x40)
script = ROM16(entry[7]);
}
nouveau_bios_run_init_table(dev, script, dp->dcb, dp->crtc);

6
drivers/gpu/drm/nouveau/nvd0_display.c
View File

@ -1226,6 +1226,11 @@ nvd0_sor_dp_train_adj(struct drm_device *dev, struct dcb_entry *dcb,
if (table[0] == 0x30) {
config = entry + table[4];
config += table[5] * preem;
} else
if (table[0] == 0x40) {
config = table + table[1];
config += table[2] * table[3];
config += table[6] * preem;
}
}
@ -1258,6 +1263,7 @@ nvd0_sor_dp_link_set(struct drm_device *dev, struct dcb_entry *dcb, int crtc,
table = nouveau_dp_bios_data(dev, dcb, &entry);
if (table) {
if (table[0] == 0x30) entry = ROMPTR(dev, entry[10]);
else if (table[0] == 0x40) entry = ROMPTR(dev, entry[9]);
else entry = NULL;
while (entry) {