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

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 302b2f7d0678..d996134b1b28 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -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);