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path: root/drivers/gpu/drm/nouveau/nv50_grctx.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_grctx.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_grctx.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
index e04fb4483c5e..d05c2c3b2444 100644
--- a/drivers/gpu/drm/nouveau/nv50_grctx.c
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -40,6 +40,9 @@
#define CP_FLAG_UNK0B ((0 * 32) + 0xb)
#define CP_FLAG_UNK0B_CLEAR 0
#define CP_FLAG_UNK0B_SET 1
+#define CP_FLAG_XFER_SWITCH ((0 * 32) + 0xe)
+#define CP_FLAG_XFER_SWITCH_DISABLE 0
+#define CP_FLAG_XFER_SWITCH_ENABLE 1
#define CP_FLAG_STATE ((0 * 32) + 0x1c)
#define CP_FLAG_STATE_STOPPED 0
#define CP_FLAG_STATE_RUNNING 1
@@ -199,6 +202,7 @@ nv50_grctx_init(struct nouveau_grctx *ctx)
}
cp_set (ctx, STATE, RUNNING);
+ cp_set (ctx, XFER_SWITCH, ENABLE);
/* decide whether we're loading/unloading the context */
cp_bra (ctx, AUTO_SAVE, PENDING, cp_setup_save);
cp_bra (ctx, USER_SAVE, PENDING, cp_setup_save);
@@ -265,6 +269,7 @@ nv50_grctx_init(struct nouveau_grctx *ctx)
cp_name(ctx, cp_exit);
cp_set (ctx, USER_SAVE, NOT_PENDING);
cp_set (ctx, USER_LOAD, NOT_PENDING);
+ cp_set (ctx, XFER_SWITCH, DISABLE);
cp_set (ctx, STATE, STOPPED);
cp_out (ctx, CP_END);
ctx->ctxvals_pos += 0x400; /* padding... no idea why you need it */
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