drm/amdgpu: fix sdma24 ucode mem leak

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/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index f6014b0..b556bd0 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -105,6 +105,15 @@ static void sdma_v2_4_init_golden_registers(struct amdgpu_device *adev)
        }
 }
 
+static void sdma_v2_4_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_v2_4_init_microcode - load ucode images from disk
  *
@@ -1018,6 +1027,7 @@ static int sdma_v2_4_sw_fini(void *handle)
        for (i = 0; i < adev->sdma.num_instances; i++)
                amdgpu_ring_fini(&adev->sdma.instance[i].ring);
 
+       sdma_v2_4_free_microcode(adev);
        return 0;
 }