linux-xiaomi-chiron/drivers/gpu
Thierry Reding b568db62c5 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: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2019-09-17 14:50:16 +10:00
..
drm drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init 2019-09-17 14:50:16 +10:00
host1x drm/tegra: Changes for v5.3-rc1 2019-06-25 12:59:43 +10:00
ipu-v3 gpu: ipu-v3: image-convert: only sample into the next tile if necessary 2019-08-19 16:25:30 +02:00
vga topic/remove-fbcon-notifiers: 2019-06-26 12:26:34 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00