diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c index 83f152300ec0..f1d6b820d482 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/basenv50.c @@ -22,6 +22,7 @@ * Authors: Ben Skeggs */ #include "dmacnv50.h" +#include "head.h" #include "rootnv50.h" #include <core/client.h> @@ -50,7 +51,7 @@ nv50_disp_base_new(const struct nv50_disp_dmac_func *func, nvif_ioctl(parent, "create disp base channel dma vers %d " "pushbuf %016llx head %d\n", args->v0.version, args->v0.pushbuf, args->v0.head); - if (args->v0.head > disp->base.head.nr) + if (!nvkm_head_find(&disp->base, args->v0.head)) return -EINVAL; push = args->v0.pushbuf; head = args->v0.head; |