Commit b568db62 authored by Thierry Reding's avatar Thierry Reding Committed by Ben Skeggs

drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init

Writing the 0x1704 (BUS_BAR1_BLOCK) register causes the GPU to probe the
memory region at the programmed address. The result is an address decode
error in the external memory controller because address 0, which is what
is written to the register, is not designated as accessible to devices.

Avoid triggering DMA from the GPU by removing teardown of the BAR1.
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 641f53c0
......@@ -26,7 +26,6 @@ gm20b_bar_func = {
.dtor = gf100_bar_dtor,
.oneinit = gf100_bar_oneinit,
.bar1.init = gf100_bar_bar1_init,
.bar1.fini = gf100_bar_bar1_fini,
.bar1.wait = gm107_bar_bar1_wait,
.bar1.vmm = gf100_bar_bar1_vmm,
.flush = g84_bar_flush,
......
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