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| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-01-15 11:05:21 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-02-10 14:16:49 -0500 |
| commit | 2f4b9400336effee61cbf7f55b7dc35a39096ae1 (patch) | |
| tree | 11ae55e1f51747ebb2d59d51afb9afb0f34925fa /drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | |
| parent | a8480309df2aa8b39e8f67b5202db8cebaff4b72 (diff) | |
| download | blackbird-obmc-linux-2f4b9400336effee61cbf7f55b7dc35a39096ae1.tar.gz blackbird-obmc-linux-2f4b9400336effee61cbf7f55b7dc35a39096ae1.zip | |
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_v2_4.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 2cf50180cc51..9bf3313ca9b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -335,31 +335,6 @@ static void sdma_v2_4_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se } /** - * sdma_v2_4_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_v2_4_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_v2_4_gfx_stop - stop the gfx async dma engines * * @adev: amdgpu_device pointer @@ -1302,7 +1277,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = { .parse_cs = NULL, .emit_ib = sdma_v2_4_ring_emit_ib, .emit_fence = sdma_v2_4_ring_emit_fence, - .emit_semaphore = sdma_v2_4_ring_emit_semaphore, + .emit_semaphore = NULL, .emit_vm_flush = sdma_v2_4_ring_emit_vm_flush, .emit_hdp_flush = sdma_v2_4_ring_emit_hdp_flush, .test_ring = sdma_v2_4_ring_test_ring, |
