drm/amdgpu: implement soft_recovery for GFX7

Try to kill waves on the SQ.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 95452c5..a15d9c0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4212,6 +4212,18 @@ static void gfx_v7_0_ring_emit_gds_switch(struct amdgpu_ring *ring,
        amdgpu_ring_write(ring, (1 << (oa_size + oa_base)) - (1 << oa_base));
 }
 
+static void gfx_v7_0_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(mmSQ_CMD, value);
+}
+
 static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address)
 {
        WREG32(mmSQ_IND_INDEX,
@@ -5088,6 +5100,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
        .pad_ib = amdgpu_ring_generic_pad_ib,
        .emit_cntxcntl = gfx_v7_ring_emit_cntxcntl,
        .emit_wreg = gfx_v7_0_ring_emit_wreg,
+       .soft_recovery = gfx_v7_0_ring_soft_recovery,
 };
 
 static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {