diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2017-05-01 17:05:02 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-24 17:40:25 -0400 |
| commit | 635e71329858f2051c015d2a8c863bbce04d1e1b (patch) | |
| tree | 525c91dcdfc6eba0e1a9d53207a70299904ff864 /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | 9524354358a6ee80f1624b515f157f44b8a0ab2b (diff) | |
drm/amdgpu:change SR-IOV DMAframe scheme
According to CP/hw team requirment, to support PAL/CHAINED-IB
MCBP, kernel driver must guarantee DE_META must be inserted
right prior to the work_load DE IB (with PREEMPT flag), there
cannot be any non-work_load DE IB between-in DE_META and
work_load DE IB.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 60527ea50b9b..9b429f697511 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -6420,9 +6420,13 @@ static void gfx_v8_0_ring_emit_ib_gfx(struct amdgpu_ring *ring, control |= ib->length_dw | (vm_id << 24); - if (amdgpu_sriov_vf(ring->adev) && ib->flags & AMDGPU_IB_FLAG_PREEMPT) + if (amdgpu_sriov_vf(ring->adev) && (ib->flags & AMDGPU_IB_FLAG_PREEMPT)) { control |= INDIRECT_BUFFER_PRE_ENB(1); + if (!(ib->flags & AMDGPU_IB_FLAG_CE)) + gfx_v8_0_ring_emit_de_meta(ring); + } + amdgpu_ring_write(ring, header); amdgpu_ring_write(ring, #ifdef __BIG_ENDIAN @@ -6631,9 +6635,6 @@ static void gfx_v8_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) amdgpu_ring_write(ring, PACKET3(PACKET3_CONTEXT_CONTROL, 1)); amdgpu_ring_write(ring, dw2); amdgpu_ring_write(ring, 0); - - if (amdgpu_sriov_vf(ring->adev)) - gfx_v8_0_ring_emit_de_meta(ring); } static unsigned gfx_v8_0_ring_emit_init_cond_exec(struct amdgpu_ring *ring) |