drm/amdgpu/sdma5.2: init engine reset mutex

Missing the mutex init.

Fixes: 47454f2dc0bf ("drm/amdgpu: Register the new sdma function pointers for sdma_v5_2")
Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ea685ff30a51a25dd9be90786933ada49a088f65)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index a6e612b4a8928d56088998f3b08360cc73b8bd87..23f97da6280877bffbb48afa958b36bbe40b1ddf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -1318,6 +1318,7 @@ static int sdma_v5_2_sw_init(struct amdgpu_ip_block *ip_block)
        }
 
        for (i = 0; i < adev->sdma.num_instances; i++) {
+               mutex_init(&adev->sdma.instance[i].engine_reset_mutex);
                adev->sdma.instance[i].funcs = &sdma_v5_2_sdma_funcs;
                ring = &adev->sdma.instance[i].ring;
                ring->ring_obj = NULL;