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| author | Dmitry Osipenko | 2017-06-15 01:18:43 +0200 |
|---|---|---|
| committer | Thierry Reding | 2017-06-15 14:25:56 +0200 |
| commit | 43240bbd871e2c8f89584d369278a3d18680d9ea (patch) | |
| tree | 925ddae78046c366d0bbeb93657a73f6d77a2d88 /drivers/gpu/host1x/job.h | |
| parent | gpu: host1x: Refactor channel allocation code (diff) | |
| download | kernel-qcow2-linux-43240bbd871e2c8f89584d369278a3d18680d9ea.tar.gz kernel-qcow2-linux-43240bbd871e2c8f89584d369278a3d18680d9ea.tar.xz kernel-qcow2-linux-43240bbd871e2c8f89584d369278a3d18680d9ea.zip | |
gpu: host1x: At first try a non-blocking allocation for the gather copy
The blocking gather copy allocation is a major performance downside of the
Host1x firewall, it may take hundreds milliseconds which is unacceptable
for the real-time graphics operations. Let's try a non-blocking allocation
first as a least invasive solution, it makes opentegra (Xorg driver)
performance indistinguishable with/without the firewall.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x/job.h')
0 files changed, 0 insertions, 0 deletions