From deab48f140d28d788cb2b5705761a92b02e3440d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 22 Oct 2012 12:32:54 -0400 Subject: 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 --- drivers/gpu/drm/radeon/sid.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/gpu/drm/radeon/sid.h') diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 0acd32759c7c..e153c254fbfb 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 -- cgit v1.2.3