diff mbox series

[5/7] drm/nouveau/device: Replace io_mapping_map_atomic_wc()

Message ID 20210303132711.873509407@linutronix.de (mailing list archive)
State New
Headers show
Series drm, highmem: Cleanup io/kmap_atomic*() usage | expand

Commit Message

Thomas Gleixner March 3, 2021, 1:20 p.m. UTC
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(-)
diff mbox series

Patch

--- 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