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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-04-16 18:42:15 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-04-17 00:15:27 +0400 |
| commit | 2ab91adae722c63d1a4c9a6e414636e34804d792 (patch) | |
| tree | 0e8c4ee18ea895f4eb2a978bc3ebcbc4c5c19ccd /drivers/gpu/drm/radeon/nid.h | |
| parent | 0cd9cb76ae26a19df21abc6f94f5fff141e689c7 (diff) | |
| download | linux-2ab91adae722c63d1a4c9a6e414636e34804d792.tar.xz | |
drm/radeon: re-enable PTE/PDE packet for set_page on cayman/TN
PTE/PDE doesn't support a single update (count = 1). We had
previously disabled it since it we were hitting that case which
let to hangs. The PTE/PDE packet is much more efficient for VM
updates where it can be used.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/nid.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/nid.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h index 71a1709de154..e226faf16fea 100644 --- a/drivers/gpu/drm/radeon/nid.h +++ b/drivers/gpu/drm/radeon/nid.h @@ -684,6 +684,11 @@ (((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 |