[PATCH 5/5] drm/amdgpu:in cntx_ctrl we need insert meta-init for CE/DE

[Monk Liu]

to support SRIOV preemption.

Change-Id: I9f3534149b132756e5cd9292d48474e50306936b
Signed-off-by: Monk Liu <monk....@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index fdc2cb5..7d371b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6703,6 +6703,10 @@ static void gfx_v8_ring_emit_cntxcntl(struct amdgpu_ring 
*ring, uint32_t flags)
 {
        uint32_t dw2 = 0;
 
+       if (amdgpu_sriov_vf(ring->adev))
+               gfx_v8_0_ring_emit_ce_meta_init(ring,
+                       (flags & AMDGPU_VM_DOMAIN) ? AMDGPU_CSA_VADDR : 
ring->adev->virt.csa_vmid0_addr);
+
        dw2 |= 0x80000000; /* set load_enable otherwise this package is just 
NOPs */
        if (flags & AMDGPU_HAVE_CTX_SWITCH) {
                gfx_v8_0_ring_emit_vgt_flush(ring);
@@ -6727,6 +6731,10 @@ 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_init(ring,
+                       (flags & AMDGPU_VM_DOMAIN) ? AMDGPU_CSA_VADDR : 
ring->adev->virt.csa_vmid0_addr);
 }
 
 static void gfx_v8_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
-- 
2.7.4

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