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38fabcc953
linux/drivers/gpu/host1x
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Thierry Reding 38fabcc953 gpu: host1x: Restrict IOVA space to DMA mask 
On Tegra186 and later, the ARM SMMU provides an input address space that
is 48 bits wide. However, memory clients can only address up to 40 bits.
If the geometry is used as-is, allocations of IOVA space can end up in a
region that is not addressable by the memory clients.

To fix this, restrict the IOVA space to the DMA mask of the host1x
device.

Signed-off-by: Thierry Reding <treding@nvidia.com>
2019-02-07 18:28:57 +01:00
..
hw gpu: host1x: Support 40-bit addressing 2019-02-07 18:28:35 +01:00
bus.c gpu: host1x: Represent host1x bus devices in debugfs 2019-02-04 08:35:54 +01:00
bus.h gpu: host1x: Provide a proper struct bus_type 2015-01-27 10:09:14 +01:00
cdma.c gpu: host1x: Introduce support for wide opcodes 2019-02-07 18:28:35 +01:00
cdma.h gpu: host1x: Introduce support for wide opcodes 2019-02-07 18:28:35 +01:00
channel.c gpu: host1x: Fix incorrect comment for channel_request 2017-10-20 14:19:52 +02:00
channel.h gpu: host1x: Refactor channel allocation code 2017-06-15 14:25:38 +02:00
debug.c gpu: host1x: Cleanup loop variable usage 2018-05-18 21:50:40 +02:00
debug.h gpu: host1x: Improve debug disassembly formatting 2017-10-20 14:19:52 +02:00
dev.c gpu: host1x: Restrict IOVA space to DMA mask 2019-02-07 18:28:57 +01:00
dev.h gpu: host1x: Set up stream ID table 2019-02-04 08:35:55 +01:00
intr.c gpu: host1x: Drop unnecessary host1x argument 2018-05-18 21:51:01 +02:00
intr.h gpu: host1x: Drop unnecessary host1x argument 2018-05-18 21:51:01 +02:00
job.c gpu: host1x: Check whether size of unpin isn't 0 2018-07-09 10:31:30 +02:00
job.h gpu: host1x: Use not explicitly sized types 2018-05-18 21:51:37 +02:00
Kconfig gpu: host1x: select IOMMU_IOVA 2017-05-18 10:41:28 -04:00
Makefile gpu: host1x: Add Tegra194 support 2018-11-29 17:11:49 +01:00
mipi.c drm/tegra: dsi: Enhance runtime power management 2016-08-24 15:58:57 +02:00
syncpt.c gpu: host1x: Drop unnecessary host1x argument 2018-05-18 21:51:01 +02:00
syncpt.h gpu: host1x: Remove wait check support 2018-05-18 21:50:04 +02:00