diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c index a6efbd913c13..076d968b7297 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.c @@ -214,6 +214,9 @@ nv50_fb_tags(struct nvkm_fb *base) static void nv50_fb_sysmem_flush_page_init(struct nvkm_fb *fb) { + // Ensure that the address can actually fit in the register + WARN_ON(fb->sysmem.flush_page_addr > DMA_BIT_MASK(40)); + nvkm_wr32(fb->subdev.device, 0x100c08, fb->sysmem.flush_page_addr >> 8); } |