[PATCH 4/7] drm/amdgpu/gfx9.4.3: implement wave kill for compute queues

[Alex Deucher]

Based on gfx9.0 implementation.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 20ea6cb01edf..2ac398184e12 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -2833,6 +2833,19 @@ static void gfx_v9_4_3_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
 						   ref, mask);
 }
 
+static void gfx_v9_4_3_ring_soft_recovery(struct amdgpu_ring *ring,
+					  unsigned vmid)
+{
+	struct amdgpu_device *adev = ring->adev;
+	uint32_t value = 0;
+
+	value = REG_SET_FIELD(value, SQ_CMD, CMD, 0x03);
+	value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);
+	value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);
+	value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);
+	WREG32_SOC15(GC, GET_INST(GC, ring->xcc_id), regSQ_CMD, value);
+}
+
 static void gfx_v9_4_3_xcc_set_compute_eop_interrupt_state(
 	struct amdgpu_device *adev, int me, int pipe,
 	enum amdgpu_interrupt_state state, int xcc_id)
@@ -4116,6 +4129,7 @@ static const struct amdgpu_ring_funcs gfx_v9_4_3_ring_funcs_compute = {
 	.emit_wreg = gfx_v9_4_3_ring_emit_wreg,
 	.emit_reg_wait = gfx_v9_4_3_ring_emit_reg_wait,
 	.emit_reg_write_reg_wait = gfx_v9_4_3_ring_emit_reg_write_reg_wait,
+	.soft_recovery = gfx_v9_4_3_ring_soft_recovery,
 	.emit_mem_sync = gfx_v9_4_3_emit_mem_sync,
 	.emit_wave_limit = gfx_v9_4_3_emit_wave_limit,
 };
-- 
2.45.2