drm/nouveau: Add module options to disable acceleration.
noaccel=1 disables all acceleration and doesn't even attempt
initialising PGRAPH+PFIFO, nofbaccel=1 only makes fbcon unaccelerated.
Signed-off-by: Marcin KoĆcielnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 0b05c86..eddadac 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -267,8 +267,12 @@
dev_priv->fbdev_info = info;
strcpy(info->fix.id, "nouveaufb");
- info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
- FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
+ if (nouveau_nofbaccel)
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED;
+ else
+ info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_FILLRECT |
+ FBINFO_HWACCEL_IMAGEBLIT;
info->fbops = &nouveau_fbcon_ops;
info->fix.smem_start = dev->mode_config.fb_base + nvbo->bo.offset -
dev_priv->vm_vram_base;
@@ -316,7 +320,7 @@
par->nouveau_fb = nouveau_fb;
par->dev = dev;
- if (dev_priv->channel) {
+ if (dev_priv->channel && !nouveau_nofbaccel) {
switch (dev_priv->card_type) {
case NV_50:
nv50_fbcon_accel_init(info);