drm/amdgpu: fix cik sdma ucode memleak

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

diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 0079916e6d936ae8a0b5155f9e5099b23f237678..9dc4e24e31e73c2f98ffe845f649f4a914e24290 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -66,6 +66,16 @@ MODULE_FIRMWARE("radeon/mullins_sdma1.bin");
 
 u32 amdgpu_cik_gpu_check_soft_reset(struct amdgpu_device *adev);
 
+
+static void cik_sdma_free_microcode(struct amdgpu_device *adev)
+{
+       int i;
+       for (i = 0; i < adev->sdma.num_instances; i++) {
+                       release_firmware(adev->sdma.instance[i].fw);
+                       adev->sdma.instance[i].fw = NULL;
+       }
+}
+
 /*
  * sDMA - System DMA
  * Starting with CIK, the GPU has new asynchronous
@@ -1005,6 +1015,7 @@ static int cik_sdma_sw_fini(void *handle)
        for (i = 0; i < adev->sdma.num_instances; i++)
                amdgpu_ring_fini(&adev->sdma.instance[i].ring);
 
+       cik_sdma_free_microcode(adev);
        return 0;
 }