drm/amdgpu/gfx: free memory of mqd backup

Need to free mqd backup when destroying ring.

Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 8c4b400..c2a3251 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -7379,12 +7379,14 @@ static void gfx_v8_0_compute_mqd_soft_fini(struct amdgpu_device *adev)
 
        for (i = 0; i < adev->gfx.num_compute_rings; i++) {
                ring = &adev->gfx.compute_ring[i];
+               kfree(adev->gfx.mec.mqd_backup[i]);
                amdgpu_bo_free_kernel(&ring->mqd_obj,
                                      &ring->mqd_gpu_addr,
                                      &ring->mqd_ptr);
        }
 
        ring = &adev->gfx.kiq.ring;
+       kfree(adev->gfx.mec.mqd_backup[AMDGPU_MAX_COMPUTE_RINGS]);
        amdgpu_bo_free_kernel(&ring->mqd_obj,
                              &ring->mqd_gpu_addr,
                              &ring->mqd_ptr);