From: Thomas Gleixner tglx@linutronix.de
Neither fbmem_peek() nor fbmem_poke() require to disable pagefaults and preemption as a side effect of io_mapping_map_atomic_wc().
Use io_mapping_map_local_wc() instead.
Signed-off-by: Thomas Gleixner tglx@linutronix.de Cc: Ben Skeggs bskeggs@redhat.com Cc: David Airlie airlied@linux.ie Cc: Daniel Vetter daniel@ffwll.ch Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org --- drivers/gpu/drm/nouveau/nvkm/subdev/devinit/fbmem.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/fbmem.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/fbmem.h @@ -60,19 +60,19 @@ fbmem_fini(struct io_mapping *fb) static inline u32 fbmem_peek(struct io_mapping *fb, u32 off) { - u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); + u8 __iomem *p = io_mapping_map_local_wc(fb, off & PAGE_MASK); u32 val = ioread32(p + (off & ~PAGE_MASK)); - io_mapping_unmap_atomic(p); + io_mapping_unmap_local(p); return val; }
static inline void fbmem_poke(struct io_mapping *fb, u32 off, u32 val) { - u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); + u8 __iomem *p = io_mapping_map_local_wc(fb, off & PAGE_MASK); iowrite32(val, p + (off & ~PAGE_MASK)); wmb(); - io_mapping_unmap_atomic(p); + io_mapping_unmap_local(p); }
static inline bool