drm/nouveau: Allocate a per-channel instance of NV_SW.

It will be useful for various synchronization purposes, mostly stolen
from "[PATCH] drm/nv50: synchronize user channel after buffer object
move on kernel channel" by Maarten Maathuis.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h
index 04e85d8f757e..dabfd655f93e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.h
@@ -46,10 +46,11 @@
 /* Hardcoded object assignments to subchannels (subchannel id). */
 enum {
         NvSubM2MF       = 0,
-        NvSub2D         = 1,
-        NvSubCtxSurf2D  = 1,
-        NvSubGdiRect    = 2,
-        NvSubImageBlit  = 3
+        NvSubSw         = 1,
+        NvSub2D         = 2,
+        NvSubCtxSurf2D  = 2,
+        NvSubGdiRect    = 3,
+        NvSubImageBlit  = 4
 };
 
 /* Object handles. */
@@ -67,6 +68,7 @@ enum {
         NvClipRect      = 0x8000000b,
         NvGdiRect       = 0x8000000c,
         NvImageBlit     = 0x8000000d,
+        NvSw            = 0x8000000e,
 
         /* G80+ display objects */
         NvEvoVRAM       = 0x01000000,