From a81349a7b27adc66cc318ac0bc0f657b0b73a5af Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Mon, 27 Oct 2014 18:49:18 +0900 Subject: drm/nouveau: allocate GPFIFOs and fences coherently Specify TTM_PL_FLAG_UNCACHED when allocating GPFIFOs and fences to allow them to be safely accessed by the kernel without being synced on non-coherent architectures. Signed-off-by: Alexandre Courbot Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_chan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/nouveau/nouveau_chan.c') diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.c b/drivers/gpu/drm/nouveau/nouveau_chan.c index 77c81d6..0f3da86 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.c +++ b/drivers/gpu/drm/nouveau/nouveau_chan.c @@ -102,7 +102,7 @@ nouveau_channel_prep(struct nouveau_drm *drm, struct nvif_device *device, chan->drm = drm; /* allocate memory for dma push buffer */ - target = TTM_PL_FLAG_TT; + target = TTM_PL_FLAG_TT | TTM_PL_FLAG_UNCACHED; if (nouveau_vram_pushbuf) target = TTM_PL_FLAG_VRAM; -- cgit v1.1