drm/nouveau: add option to allow override of dcb connector table types

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

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 71247da..75388f7 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -5287,10 +5287,16 @@ parse_dcb_connector_table(struct nvbios *bios)
                        break;
                default:
                        cte->type = divine_connector_type(bios, cte->index);
-                       NV_WARN(dev, "unknown type, using 0x%02x", cte->type);
+                       NV_WARN(dev, "unknown type, using 0x%02x\n", cte->type);
                        break;
                }
 
+               if (nouveau_override_conntype) {
+                       int type = divine_connector_type(bios, cte->index);
+                       if (type != cte->type)
+                               NV_WARN(dev, " -> type 0x%02x\n", cte->type);
+               }
+
        }
 }
 

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 874adf5..f7f28f2 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -83,6 +83,10 @@ MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
 int nouveau_nofbaccel = 0;
 module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
 
+MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
+int nouveau_override_conntype = 0;
+module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
+
 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
                 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
                 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index ad2d75d..6238e25 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -689,6 +689,7 @@ extern int nouveau_ctxfw;
 extern int nouveau_ignorelid;
 extern int nouveau_nofbaccel;
 extern int nouveau_noaccel;
+extern int nouveau_override_conntype;
 
 /* nouveau_state.c */
 extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);