drm/amdgpu/si: implement asic need_full_reset callback

Used to check on a per SoC basis whether the SoC needs
a full reset of a per IP soft reset.

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

drivers/gpu/drm/amd/amdgpu/si.c

@@ -1252,6 +1252,12 @@ static void si_invalidate_hdp(struct amdgpu_device *adev,
 	}
 }
 
+static bool si_need_full_reset(struct amdgpu_device *adev)
+{
+	/* change this when we support soft reset */
+	return true;
+}
+
 static int si_get_pcie_lanes(struct amdgpu_device *adev)
 {
 	u32 link_width_cntl;
@@ -1332,6 +1338,7 @@ static const struct amdgpu_asic_funcs si_asic_funcs =
 	.get_config_memsize = &si_get_config_memsize,
 	.flush_hdp = &si_flush_hdp,
 	.invalidate_hdp = &si_invalidate_hdp,
+	.need_full_reset = &si_need_full_reset,
 };
 
 static uint32_t si_get_rev_id(struct amdgpu_device *adev)