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drm/amdgpu/si_dma: remove unused variable in si_dma_stop()

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After commit 571c05365892 ("drm/amdgpu: switch sdma buffer function
tear down to a helper"), the variable 'ring' is not used anymore, it
can be removed.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Yingliang 2022-10-12 15:37:07 +08:00 committed by Alex Deucher
parent eb1670787e
commit 7fe441d8b7
1 changed files with 0 additions and 2 deletions
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2
drivers/gpu/drm/amd/amdgpu/si_dma.c
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@ -112,14 +112,12 @@ static void si_dma_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
static void si_dma_stop(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
u32 rb_cntl;
unsigned i;
amdgpu_sdma_unset_buffer_funcs_helper(adev);
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
/* dma0 */
rb_cntl = RREG32(DMA_RB_CNTL + sdma_offsets[i]);
rb_cntl &= ~DMA_RB_ENABLE;