diff options
| author | Monk Liu <Monk.Liu@amd.com> | 2016-11-11 18:25:49 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-11-23 15:08:40 -0500 |
| commit | 45682886bcd4a7d94a3281460c29a8a5c5438212 (patch) | |
| tree | 5c13f4cffd83375c1278ab826d4970a58f732476 /drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | |
| parent | 79abf1add6e6b8fa9951cfb2122c08defa57fbd1 (diff) | |
drm/amdgpu:impl vgt_flush for VI(V5)
when shadowing enabled, tesselation app will trigger
vm fault because below three tesselation registers:
VGT_TF_RING_SIZE__CI__VI,
VGT_HS_OFFCHIP_PARAM__CI__VI,
VGT_TF_MEMORY_BASE__CI__VI,
need to be programed after vgt-flush.
Tesselation picture vm fault disappeared after vgt-flush
introduced.
v2:implement vgt-flush for CI & SI.
v3:move vgt flush inside of cntx_cntrl
v4:count vgt flush in frame_size
v5:squash in typo fix
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@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_v7_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 06fddba54445..1a745cf93f47 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2105,6 +2105,18 @@ static void gfx_v7_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) amdgpu_ring_write(ring, 0x20); /* poll interval */ } +static void gfx_v7_0_ring_emit_vgt_flush(struct amdgpu_ring *ring) +{ + amdgpu_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); + amdgpu_ring_write(ring, EVENT_TYPE(VS_PARTIAL_FLUSH) | + EVENT_INDEX(4)); + + amdgpu_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0)); + amdgpu_ring_write(ring, EVENT_TYPE(VGT_FLUSH) | + EVENT_INDEX(0)); +} + + /** * gfx_v7_0_ring_emit_hdp_invalidate - emit an hdp invalidate on the cp * @@ -2260,6 +2272,7 @@ static void gfx_v7_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags) dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */ if (flags & AMDGPU_HAVE_CTX_SWITCH) { + gfx_v7_0_ring_emit_vgt_flush(ring); /* set load_global_config & load_global_uconfig */ dw2 |= 0x8001; /* set load_cs_sh_regs */ @@ -5153,7 +5166,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { 12 + 12 + 12 + /* gfx_v7_0_ring_emit_fence_gfx x3 for user fence, vm fence */ 7 + 4 + /* gfx_v7_0_ring_emit_pipeline_sync */ 17 + 6 + /* gfx_v7_0_ring_emit_vm_flush */ - 3, /* gfx_v7_ring_emit_cntxcntl */ + 3 + 4, /* gfx_v7_ring_emit_cntxcntl including vgt flush*/ .emit_ib_size = 4, /* gfx_v7_0_ring_emit_ib_gfx */ .emit_ib = gfx_v7_0_ring_emit_ib_gfx, .emit_fence = gfx_v7_0_ring_emit_fence_gfx, |