diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index b9a6070da1ef4a9f4d3893912cc15887015b9c81..3edf26acd65ba9fa846ad1394e11df3ff6f3240f 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -976,7 +976,7 @@ static int cik_sdma_sw_init(void *handle)
 		ring = &adev->sdma.instance[i].ring;
 		ring->ring_obj = NULL;
 		sprintf(ring->name, "sdma%d", i);
-		r = amdgpu_ring_init(adev, ring, 32 * 1024,
+		r = amdgpu_ring_init(adev, ring, 1024,
 				     SDMA_PACKET(SDMA_OPCODE_NOP, 0, 0), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 0f1282790c43364c739dfc9d5ca803fdc7014b76..6f2e2a49ed3ee1992be7148039c912c4a39897a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -990,7 +990,7 @@ static int sdma_v2_4_sw_init(void *handle)
 		ring->ring_obj = NULL;
 		ring->use_doorbell = false;
 		sprintf(ring->name, "sdma%d", i);
-		r = amdgpu_ring_init(adev, ring, 32 * 1024,
+		r = amdgpu_ring_init(adev, ring, 1024,
 				     SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 833d2658428fe6bf02f7758de5c27da0e76d0e4a..a78f13ea4d86273ada3f96a4280291eb06b13ad5 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1176,7 +1176,7 @@ static int sdma_v3_0_sw_init(void *handle)
 			AMDGPU_DOORBELL_sDMA_ENGINE0 : AMDGPU_DOORBELL_sDMA_ENGINE1;
 
 		sprintf(ring->name, "sdma%d", i);
-		r = amdgpu_ring_init(adev, ring, 256 * 1024,
+		r = amdgpu_ring_init(adev, ring, 1024,
 				     SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP), 0xf,
 				     &adev->sdma.trap_irq,
 				     (i == 0) ?