Reviewed-by: Lyude Paul lyude@redhat.com
On Fri, 2022-08-19 at 22:09 +0200, Karol Herbst wrote:
It is a bit unlcear to us why that's helping, but it does and unbreaks suspend/resume on a lot of GPUs without any known drawbacks.
Cc: stable@vger.kernel.org # v5.15+ Closes: https://gitlab.freedesktop.org/drm/nouveau/-/issues/156 Signed-off-by: Karol Herbst kherbst@redhat.com
drivers/gpu/drm/nouveau/nouveau_bo.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 35bb0bb3fe61..126b3c6e12f9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -822,6 +822,15 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, if (ret == 0) { ret = nouveau_fence_new(chan, false, &fence); if (ret == 0) {
/* TODO: figure out a better solution here** wait on the fence here explicitly as going through* ttm_bo_move_accel_cleanup somehow doesn't seem to do it.** Without this the operation can timeout and we'll fallback to a* software copy, which might take several minutes to finish.*/nouveau_fence_wait(fence, false, false); ret = ttm_bo_move_accel_cleanup(bo, &fence->base, evict, false,