[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.Liu at 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