drm/amdgpu: clean up hw semaphore support in driver
No longer used.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 5f712ce..41e637a 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -295,30 +295,6 @@
}
/**
- * cik_sdma_ring_emit_semaphore - emit a semaphore on the dma ring
- *
- * @ring: amdgpu_ring structure holding ring information
- * @semaphore: amdgpu semaphore object
- * @emit_wait: wait or signal semaphore
- *
- * Add a DMA semaphore packet to the ring wait on or signal
- * other rings (CIK).
- */
-static bool cik_sdma_ring_emit_semaphore(struct amdgpu_ring *ring,
- struct amdgpu_semaphore *semaphore,
- bool emit_wait)
-{
- u64 addr = semaphore->gpu_addr;
- u32 extra_bits = emit_wait ? 0 : SDMA_SEMAPHORE_EXTRA_S;
-
- amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SEMAPHORE, 0, extra_bits));
- amdgpu_ring_write(ring, addr & 0xfffffff8);
- amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff);
-
- return true;
-}
-
-/**
* cik_sdma_gfx_stop - stop the gfx async dma engines
*
* @adev: amdgpu_device pointer
@@ -1297,7 +1273,7 @@
.parse_cs = NULL,
.emit_ib = cik_sdma_ring_emit_ib,
.emit_fence = cik_sdma_ring_emit_fence,
- .emit_semaphore = cik_sdma_ring_emit_semaphore,
+ .emit_semaphore = NULL,
.emit_vm_flush = cik_sdma_ring_emit_vm_flush,
.emit_hdp_flush = cik_sdma_ring_emit_hdp_flush,
.test_ring = cik_sdma_ring_test_ring,