drm/nouveau: fix non-vram notifier blocks

Due to a thinko, these were previously forced to VRAM even if we allocated
them in GART.

This commit fixes that bug, but keeps the previous behaviour of using VRAM
by default until it's been tested properly across more chipsets.

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

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index 343ab7f..fc692e5 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -56,7 +56,7 @@ int nouveau_vram_pushbuf;
 module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
 
 MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
-int nouveau_vram_notify;
+int nouveau_vram_notify = 1;
 module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
 
 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");

diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index 6c66a34..d99dc08 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -34,15 +34,20 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
 {
        struct drm_device *dev = chan->dev;
        struct nouveau_bo *ntfy = NULL;
+       uint32_t flags;
        int ret;
 
-       ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, nouveau_vram_notify ?
-                             TTM_PL_FLAG_VRAM : TTM_PL_FLAG_TT,
+       if (nouveau_vram_notify)
+               flags = TTM_PL_FLAG_VRAM;
+       else
+               flags = TTM_PL_FLAG_TT;
+
+       ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, flags,
                              0, 0x0000, false, true, &ntfy);
        if (ret)
                return ret;
 
-       ret = nouveau_bo_pin(ntfy, TTM_PL_FLAG_VRAM);
+       ret = nouveau_bo_pin(ntfy, flags);
        if (ret)
                goto out_err;
 
@@ -128,6 +133,8 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
                        target = NV_DMA_TARGET_PCI;
                } else {
                        target = NV_DMA_TARGET_AGP;
+                       if (dev_priv->card_type >= NV_50)
+                               offset += dev_priv->vm_gart_base;
                }
        } else {
                NV_ERROR(dev, "Bad DMA target, mem_type %d!\n",