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| author | Terje Bergstrom <tbergstrom@nvidia.com> | 2013-03-22 16:34:03 +0200 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-04-22 12:32:43 +0200 |
| commit | 6579324a41cc414009a601738b70a53d6376325c (patch) | |
| tree | 61b3491351217d07ff75851c6d989bf02b213383 /drivers/gpu/host1x/hw/syncpt_hw.c | |
| parent | 7ede0b0bf3e2595d40d6195b6fe4c4dcef438830 (diff) | |
| download | lwn-6579324a41cc414009a601738b70a53d6376325c.tar.gz lwn-6579324a41cc414009a601738b70a53d6376325c.zip | |
gpu: host1x: Add channel support
Add support for host1x client modules, and host1x channels to submit
work to the clients.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/host1x/hw/syncpt_hw.c')
| -rw-r--r-- | drivers/gpu/host1x/hw/syncpt_hw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/syncpt_hw.c b/drivers/gpu/host1x/hw/syncpt_hw.c index 885b2578dc86..2c1f4af1094c 100644 --- a/drivers/gpu/host1x/hw/syncpt_hw.c +++ b/drivers/gpu/host1x/hw/syncpt_hw.c @@ -93,10 +93,21 @@ static void syncpt_cpu_incr(struct host1x_syncpt *sp) wmb(); } +/* remove a wait pointed to by patch_addr */ +static int syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr) +{ + u32 override = host1x_class_host_wait_syncpt( + HOST1X_SYNCPT_RESERVED, 0); + + *((u32 *)patch_addr) = override; + return 0; +} + static const struct host1x_syncpt_ops host1x_syncpt_ops = { .restore = syncpt_restore, .restore_wait_base = syncpt_restore_wait_base, .load_wait_base = syncpt_read_wait_base, .load = syncpt_load, .cpu_incr = syncpt_cpu_incr, + .patch_wait = syncpt_patch_wait, }; |