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
--- a/drivers/gpu/drm/nouveau/core/include/core/device.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/device.h
@@ -16,6 +16,7 @@
* 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 @@
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
--- 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 @@
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 @@
}
}
+ /* 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;