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path: root/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc
index 138eeaa28665..7fe9d7cf486b 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/fuc/hubnve0.fuc
@@ -44,6 +44,9 @@ chipsets:
.b8 0xe7 0 0 0
.b16 #nve4_hub_mmio_head
.b16 #nve4_hub_mmio_tail
+.b8 0xe6 0 0 0
+.b16 #nve4_hub_mmio_head
+.b16 #nve4_hub_mmio_tail
.b8 0 0 0 0
nve4_hub_mmio_head:
@@ -680,6 +683,16 @@ ctx_mmio_exec:
// on load it means: "a save preceeded this load"
//
ctx_xfer:
+ // according to mwk, some kind of wait for idle
+ mov $r15 0xc00
+ shl b32 $r15 6
+ mov $r14 4
+ iowr I[$r15 + 0x200] $r14
+ ctx_xfer_idle:
+ iord $r14 I[$r15 + 0x000]
+ and $r14 0x2000
+ bra ne #ctx_xfer_idle
+
bra not $p1 #ctx_xfer_pre
bra $p2 #ctx_xfer_pre_load
ctx_xfer_pre: