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drm/amdgpu: remove the VI hardware semaphore in ring sync 

Signed-off-by: David Zhang <david1.zhang@amd.com>

Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
David Zhang 2015-06-11 02:28:56 +08:00 committed by Alex Deucher
parent bd5c97bc1a
commit 147dbfbc54
1 changed files with 4 additions and 5 deletions
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9
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
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@ -3783,11 +3783,10 @@ static bool gfx_v8_0_ring_emit_semaphore(struct amdgpu_ring *ring,
unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
if (ring->adev->asic_type == CHIP_TOPAZ ||
ring->adev->asic_type == CHIP_TONGA) {
amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel);
} else {
ring->adev->asic_type == CHIP_TONGA)
/* we got a hw semaphore bug in VI TONGA, return false to switch back to sw fence wait */
return false;
else {
amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 2));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(addr));