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>
diff --git a/drivers/gpu/host1x/syncpt.c b/drivers/gpu/host1x/syncpt.c
index 07fad14..7e77e63 100644
--- a/drivers/gpu/host1x/syncpt.c
+++ b/drivers/gpu/host1x/syncpt.c
@@ -300,6 +300,12 @@
return (s32)(current_val - thresh) >= 0;
}
+/* remove a wait pointed to by patch_addr */
+int host1x_syncpt_patch_wait(struct host1x_syncpt *sp, void *patch_addr)
+{
+ return host1x_hw_syncpt_patch_wait(sp->host, sp, patch_addr);
+}
+
int host1x_syncpt_init(struct host1x *host)
{
struct host1x_syncpt *syncpt;
@@ -319,6 +325,11 @@
host1x_syncpt_restore(host);
+ /* Allocate sync point to use for clearing waits for expired fences */
+ host->nop_sp = _host1x_syncpt_alloc(host, NULL, 0);
+ if (!host->nop_sp)
+ return -ENOMEM;
+
return 0;
}