diff options
| author | Alex Xie <AlexBin.Xie@amd.com> | 2017-05-30 17:10:16 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-31 14:16:38 -0400 |
| commit | dd684d313e280c3bad2ebb7b33e7688ab5409bc9 (patch) | |
| tree | 4963987a0c85ab514b9c317944ed5fc369c46ef9 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 1410f64651e35411b4bb7a10f32eb6225925110a (diff) | |
drm/amdgpu: Optimize a function called by every IB sheduling
Move several if statements and a loop statment from
run time to initialization time.
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 28 |
1 files changed, 1 insertions, 27 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index b2384b8536b9..7a323f91a10b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -656,32 +656,6 @@ unlock: return r; } -static bool amdgpu_vm_ring_has_compute_vm_bug(struct amdgpu_ring *ring) -{ - struct amdgpu_device *adev = ring->adev; - const struct amdgpu_ip_block *ip_block; - - if (ring->funcs->type != AMDGPU_RING_TYPE_COMPUTE) - /* only compute rings */ - return false; - - ip_block = amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_GFX); - if (!ip_block) - return false; - - if (ip_block->version->major <= 7) { - /* gfx7 has no workaround */ - return true; - } else if (ip_block->version->major == 8) { - if (adev->gfx.mec_fw_version >= 673) - /* gfx8 is fixed in MEC firmware 673 */ - return false; - else - return true; - } - return false; -} - bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, struct amdgpu_job *job) { @@ -691,7 +665,7 @@ bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, struct amdgpu_vm_id *id; bool gds_switch_needed; bool vm_flush_needed = job->vm_needs_flush || - amdgpu_vm_ring_has_compute_vm_bug(ring); + amdgpu_ring_has_compute_vm_bug(ring); if (job->vm_id == 0) return false; |