From: Christian K?nig <christian.koe...@amd.com>
Signed-off-by: Christian K?nig <christian.koenig at amd.com>
---
drivers/gpu/drm/radeon/cik.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 811fc1b..c169897 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -3561,6 +3561,8 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev,
struct radeon_semaphore *semaphore,
bool emit_wait)
{
+/* TODO: figure out why semaphore cause lockups */
+#if 0
uint64_t addr = semaphore->gpu_addr;
unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT :
PACKET3_SEM_SEL_SIGNAL;
@@ -3569,6 +3571,9 @@ bool cik_semaphore_ring_emit(struct radeon_device *rdev,
radeon_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel);
return true;
+#else
+ return false;
+#endif
}
/**
--
1.8.1.2
