diff options
author | Chunming Zhou <David1.Zhou@amd.com> | 2016-01-15 03:05:21 (GMT) |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 19:16:49 (GMT) |
commit | 2f4b9400336effee61cbf7f55b7dc35a39096ae1 (patch) | |
tree | 11ae55e1f51747ebb2d59d51afb9afb0f34925fa /drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | |
parent | a8480309df2aa8b39e8f67b5202db8cebaff4b72 (diff) | |
download | linux-2f4b9400336effee61cbf7f55b7dc35a39096ae1.tar.xz |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index ad54c46..93930ae 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -444,32 +444,6 @@ static void sdma_v3_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0)); } - -/** - * sdma_v3_0_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 (VI). - */ -static bool sdma_v3_0_ring_emit_semaphore(struct amdgpu_ring *ring, - struct amdgpu_semaphore *semaphore, - bool emit_wait) -{ - u64 addr = semaphore->gpu_addr; - u32 sig = emit_wait ? 0 : 1; - - amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SEM) | - SDMA_PKT_SEMAPHORE_HEADER_SIGNAL(sig)); - amdgpu_ring_write(ring, lower_32_bits(addr) & 0xfffffff8); - amdgpu_ring_write(ring, upper_32_bits(addr)); - - return true; -} - /** * sdma_v3_0_gfx_stop - stop the gfx async dma engines * @@ -1570,7 +1544,7 @@ static const struct amdgpu_ring_funcs sdma_v3_0_ring_funcs = { .parse_cs = NULL, .emit_ib = sdma_v3_0_ring_emit_ib, .emit_fence = sdma_v3_0_ring_emit_fence, - .emit_semaphore = sdma_v3_0_ring_emit_semaphore, + .emit_semaphore = NULL, .emit_vm_flush = sdma_v3_0_ring_emit_vm_flush, .emit_hdp_flush = sdma_v3_0_ring_emit_hdp_flush, .test_ring = sdma_v3_0_ring_test_ring, |