From e212a80db37b0fc9d57beb91dbca1c43ae4476a0 Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Tue, 30 Jun 2015 22:37:40 +0900 Subject: nvc0: create screen fence objects with coherent attribute This is required on non-coherent architectures to ensure the value of the fence is correct at all times. Failure to do this results in the display freezing for a few seconds every now and then on Tegra. The NOUVEAU_BO_COHERENT is a no-op for coherent architectures, so behavior on x86 should not be affected by this patch. Also bump the required libdrm version to 2.4.62, which introduced this flag. Signed-off-by: Alexandre Courbot Reviewed-by: Martin Peres --- src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src/gallium/drivers/nouveau/nvc0') diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c index 4c53106289c..95e246b9866 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c @@ -614,6 +614,7 @@ nvc0_screen_create(struct nouveau_device *dev) struct nouveau_pushbuf *push; uint64_t value; uint32_t obj_class; + uint32_t flags; int ret; unsigned i; @@ -669,8 +670,11 @@ nvc0_screen_create(struct nouveau_device *dev) screen->base.base.get_video_param = nouveau_vp3_screen_get_video_param; screen->base.base.is_video_format_supported = nouveau_vp3_screen_video_supported; - ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, NULL, - &screen->fence.bo); + flags = NOUVEAU_BO_GART | NOUVEAU_BO_MAP; + if (dev->drm_version >= 0x01000202) + flags |= NOUVEAU_BO_COHERENT; + + ret = nouveau_bo_new(dev, flags, 0, 4096, NULL, &screen->fence.bo); if (ret) goto fail; nouveau_bo_map(screen->fence.bo, 0, NULL); -- cgit v1.2.3