drm/nouveau/devinit: bump priv ring timeouts before executing scripts

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

diff --git a/drivers/gpu/drm/nouveau/core/include/core/device.h b/drivers/gpu/drm/nouveau/core/include/core/device.h
index 0e0ce43..2ec2e50 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/include/core/device.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/device.h
@@ -16,6 +16,7 @@ enum nv_subdev_type {
         * to during POST.
         */
        NVDEV_SUBDEV_DEVINIT,
+       NVDEV_SUBDEV_IBUS,
        NVDEV_SUBDEV_GPIO,
        NVDEV_SUBDEV_I2C,
        NVDEV_SUBDEV_DEVINIT_LAST = NVDEV_SUBDEV_I2C,
@@ -31,7 +32,6 @@ enum nv_subdev_type {
        NVDEV_SUBDEV_TIMER,
        NVDEV_SUBDEV_FB,
        NVDEV_SUBDEV_LTC,
-       NVDEV_SUBDEV_IBUS,
        NVDEV_SUBDEV_INSTMEM,
        NVDEV_SUBDEV_VM,
        NVDEV_SUBDEV_BAR,

diff --git a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c
index 0de7fa6..968334d 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/devinit/nv50.c
@@ -26,6 +26,7 @@
 #include <subdev/bios/dcb.h>
 #include <subdev/bios/disp.h>
 #include <subdev/bios/init.h>
+#include <subdev/ibus.h>
 #include <subdev/vga.h>
 
 #include "nv50.h"
@@ -91,6 +92,7 @@ int
 nv50_devinit_init(struct nouveau_object *object)
 {
        struct nouveau_bios *bios = nouveau_bios(object);
+       struct nouveau_ibus *ibus = nouveau_ibus(object);
        struct nv50_devinit_priv *priv = (void *)object;
        struct nvbios_outp info;
        struct dcb_output outp;
@@ -105,6 +107,13 @@ nv50_devinit_init(struct nouveau_object *object)
                }
        }
 
+       /* some boards appear to require certain priv register timeouts
+        * to be bumped before runing devinit scripts.  not a clue why
+        * the vbios engineers didn't make the scripts just work...
+        */
+       if (priv->base.post && ibus)
+               nv_ofuncs(ibus)->init(nv_object(ibus));
+
        ret = nouveau_devinit_init(&priv->base);
        if (ret)
                return ret;