drm/amdgpu/sdma5: init engine reset mutex

Missing the mutex init.

Fixes: e56d4bf57fab ("drm/amdgpu/: drm/amdgpu: Register the new sdma function pointers for sdma_v5_0")
Reviewed-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3f4caf092f02f0de169c6122639af481c7edc8f9)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index 9505ae96fbecca12f89beda455fa4838aa591d0f..1813c3ed0aa6042acab9dcb384756ea8a5cd02c1 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -1399,6 +1399,7 @@ static int sdma_v5_0_sw_init(struct amdgpu_ip_block *ip_block)
                return r;
 
        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_0_sdma_funcs;
                ring = &adev->sdma.instance[i].ring;
                ring->ring_obj = NULL;