drm/nouveau: add instmem flush() hook
This removes the previous prepare_access() and finish_access() hooks, and
replaces it with a much simpler flush() hook.
All the chipset-specific code before nv50 has its use removed completely,
as it's not required there at all.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 4b42bf2..5152c0a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -143,7 +143,6 @@
phys |= 0x30;
}
- dev_priv->engine.instmem.prepare_access(dev, true);
while (size) {
unsigned offset_h = upper_32_bits(phys);
unsigned offset_l = lower_32_bits(phys);
@@ -175,7 +174,7 @@
}
}
}
- dev_priv->engine.instmem.finish_access(dev);
+ dev_priv->engine.instmem.flush(dev);
nv_wr32(dev, 0x100c80, 0x00050001);
if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
@@ -218,7 +217,6 @@
virt -= dev_priv->vm_vram_base;
pages = (size >> 16) << 1;
- dev_priv->engine.instmem.prepare_access(dev, true);
while (pages) {
pgt = dev_priv->vm_vram_pt[virt >> 29];
pte = (virt & 0x1ffe0000ULL) >> 15;
@@ -232,7 +230,7 @@
while (pte < end)
nv_wo32(dev, pgt, pte++, 0);
}
- dev_priv->engine.instmem.finish_access(dev);
+ dev_priv->engine.instmem.flush(dev);
nv_wr32(dev, 0x100c80, 0x00050001);
if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {