drm/nve0/fifo: copy engine context stored in ramfc, not externally

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

diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
index 56192a7..4419fd2 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nve0.c
@@ -138,10 +138,12 @@ nve0_fifo_context_attach(struct nouveau_object *parent,
        int ret;
 
        switch (nv_engidx(object->engine)) {
-       case NVDEV_ENGINE_SW   : return 0;
-       case NVDEV_ENGINE_GR   :
+       case NVDEV_ENGINE_SW   :
        case NVDEV_ENGINE_COPY0:
-       case NVDEV_ENGINE_COPY1: addr = 0x0210; break;
+       case NVDEV_ENGINE_COPY1:
+       case NVDEV_ENGINE_COPY2:
+               return 0;
+       case NVDEV_ENGINE_GR   : addr = 0x0210; break;
        case NVDEV_ENGINE_BSP  : addr = 0x0270; break;
        case NVDEV_ENGINE_VP   : addr = 0x0250; break;
        case NVDEV_ENGINE_PPP  : addr = 0x0260; break;
@@ -176,9 +178,10 @@ nve0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
 
        switch (nv_engidx(object->engine)) {
        case NVDEV_ENGINE_SW   : return 0;
-       case NVDEV_ENGINE_GR   :
        case NVDEV_ENGINE_COPY0:
-       case NVDEV_ENGINE_COPY1: addr = 0x0210; break;
+       case NVDEV_ENGINE_COPY1:
+       case NVDEV_ENGINE_COPY2: addr = 0x0000; break;
+       case NVDEV_ENGINE_GR   : addr = 0x0210; break;
        case NVDEV_ENGINE_BSP  : addr = 0x0270; break;
        case NVDEV_ENGINE_VP   : addr = 0x0250; break;
        case NVDEV_ENGINE_PPP  : addr = 0x0260; break;
@@ -194,9 +197,12 @@ nve0_fifo_context_detach(struct nouveau_object *parent, bool suspend,
                        return -EBUSY;
        }
 
-       nv_wo32(base, addr + 0x00, 0x00000000);
-       nv_wo32(base, addr + 0x04, 0x00000000);
-       bar->flush(bar);
+       if (addr) {
+               nv_wo32(base, addr + 0x00, 0x00000000);
+               nv_wo32(base, addr + 0x04, 0x00000000);
+               bar->flush(bar);
+       }
+
        return 0;
 }