diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index f670519..d6f8592 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -125,6 +125,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, struct fence *hwf; struct amdgpu_vm *vm = NULL; unsigned i, patch_offset = ~0; + bool skip_preamble; int r = 0; @@ -172,9 +173,14 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, /* always set cond_exec_polling to CONTINUE */ *ring->cond_exe_cpu_addr = 1; + skip_preamble = ring->current_ctx == ctx; old_ctx = ring->current_ctx; for (i = 0; i < num_ibs; ++i) { - ib = &ibs[i]; + + /* drop preamble IBs if we don't have a context switch */ + if ((ib->flags & AMDGPU_IB_FLAG_PREAMBLE) && skip_preamble) + continue; + amdgpu_ring_emit_ib(ring, ib); ring->current_ctx = ctx; } |