drm/nv50: DCB table quirks for another busted XFX board

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

1 files changed, 31 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 729d5fd7c88d..e93e3148b8e8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -6377,6 +6377,37 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
                 }
         }
 
+        /* Some other twisted XFX board (rhbz#694914)
+         *
+         * The DVI/VGA encoder combo that's supposed to represent the
+         * DVI-I connector actually point at two different ones, and
+         * the HDMI connector ends up paired with the VGA instead.
+         *
+         * Connector table is missing anything for VGA at all, pointing it
+         * an invalid conntab entry 2 so we figure it out ourself.
+         */
+        if (nv_match_device(dev, 0x0615, 0x1682, 0x2605)) {
+                if (idx == 0) {
+                        *conn = 0x02002300; /* VGA, connector 2 */
+                        *conf = 0x00000028;
+                } else
+                if (idx == 1) {
+                        *conn = 0x01010312; /* DVI, connector 0 */
+                        *conf = 0x00020030;
+                } else
+                if (idx == 2) {
+                        *conn = 0x04020310; /* VGA, connector 0 */
+                        *conf = 0x00000028;
+                } else
+                if (idx == 3) {
+                        *conn = 0x02021322; /* HDMI, connector 1 */
+                        *conf = 0x00020010;
+                } else {
+                        *conn = 0x0000000e; /* EOL */
+                        *conf = 0x00000000;
+                }
+        }
+
         return true;
 }