drm/radeon: add dma engine support for vm pt updates on si (v2)
Async DMA has a special packet for contiguous pt updates
which saves overhead.
v2: rebase
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h
index 0acd327..e153c25 100644
--- a/drivers/gpu/drm/radeon/sid.h
+++ b/drivers/gpu/drm/radeon/sid.h
@@ -972,6 +972,16 @@
(((t) & 0x1) << 23) | \
(((s) & 0x1) << 22) | \
(((n) & 0xFFFFF) << 0))
+
+#define DMA_IB_PACKET(cmd, vmid, n) ((((cmd) & 0xF) << 28) | \
+ (((vmid) & 0xF) << 20) | \
+ (((n) & 0xFFFFF) << 0))
+
+#define DMA_PTE_PDE_PACKET(n) ((2 << 28) | \
+ (1 << 26) | \
+ (1 << 21) | \
+ (((n) & 0xFFFFF) << 0))
+
/* async DMA Packet types */
#define DMA_PACKET_WRITE 0x2
#define DMA_PACKET_COPY 0x3