From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 8 May 2018 20:39:47 +1000
Subject: drm/nouveau: no need to create ctxdma for push buffers on fermi and up
Git-commit: 92b4eaaf9a84a7bd35db6f903c0ecbda4f9594ee
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/nouveau/nouveau_chan.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/nouveau/nouveau_chan.c
+++ b/drivers/gpu/drm/nouveau/nouveau_chan.c
@@ -163,12 +163,15 @@ nouveau_channel_prep(struct nouveau_drm
return ret;
}
+ chan->push.addr = chan->push.vma->addr;
+
+ if (device->info.family >= NV_DEVICE_INFO_V0_FERMI)
+ return 0;
+
args.target = NV_DMA_V0_TARGET_VM;
args.access = NV_DMA_V0_ACCESS_VM;
args.start = 0;
args.limit = cli->vmm.vmm.limit - 1;
-
- chan->push.addr = chan->push.vma->addr;
} else
if (chan->push.buffer->bo.mem.mem_type == TTM_PL_VRAM) {
if (device->info.family == NV_DEVICE_INFO_V0_TNT) {