gpu: host1x: Rework CPU syncpoint increment
This patch merges host1x_syncpt_cpu_incr to host1x_syncpt_incr() as
they are in practise doing the same thing. host1x_syncpt_incr() is
also modified to return error codes. User space interface is modified
accordingly to pass return values.
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Acked-By: Terje Bergstrom <tbergstrom@nvidia.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/gpu/host1x/syncpt.h b/drivers/gpu/host1x/syncpt.h
index d00e758..267c0b9 100644
--- a/drivers/gpu/host1x/syncpt.h
+++ b/drivers/gpu/host1x/syncpt.h
@@ -115,9 +115,6 @@
/* Return pointer to struct denoting sync point id. */
struct host1x_syncpt *host1x_syncpt_get(struct host1x *host, u32 id);
-/* Request incrementing a sync point. */
-void host1x_syncpt_cpu_incr(struct host1x_syncpt *sp);
-
/* Load current value from hardware to the shadow register. */
u32 host1x_syncpt_load(struct host1x_syncpt *sp);
@@ -133,8 +130,8 @@
/* Read current wait base value into shadow register and return it. */
u32 host1x_syncpt_load_wait_base(struct host1x_syncpt *sp);
-/* Increment sync point and its max. */
-void host1x_syncpt_incr(struct host1x_syncpt *sp);
+/* Request incrementing a sync point. */
+int host1x_syncpt_incr(struct host1x_syncpt *sp);
/* Indicate future operations by incrementing the sync point max. */
u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs);