drm/amdgpu: fix the build on big endian

Some leftover copy and pastes from radeon that never
got updated.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/cik_sdma.c

@@ -411,7 +411,8 @@ static int cik_sdma_gfx_resume(struct amdgpu_device *adev)
 		rb_bufsz = order_base_2(ring->ring_size / 4);
 		rb_cntl = rb_bufsz << 1;
 #ifdef __BIG_ENDIAN
-		rb_cntl |= SDMA_RB_SWAP_ENABLE | SDMA_RPTR_WRITEBACK_SWAP_ENABLE;
+		rb_cntl |= SDMA0_GFX_RB_CNTL__RB_SWAP_ENABLE_MASK |
+			SDMA0_GFX_RB_CNTL__RPTR_WRITEBACK_SWAP_ENABLE_MASK;
 #endif
 		WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl);
 

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -2881,7 +2881,7 @@ static int gfx_v7_0_cp_gfx_resume(struct amdgpu_device *adev)
 	rb_bufsz = order_base_2(ring->ring_size / 8);
 	tmp = (order_base_2(AMDGPU_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
 #ifdef __BIG_ENDIAN
-	tmp |= BUF_SWAP_32BIT;
+	tmp |= 2 << CP_RB0_CNTL__BUF_SWAP__SHIFT;
 #endif
 	WREG32(mmCP_RB0_CNTL, tmp);
 
@@ -3400,7 +3400,8 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev)
 		mqd->queue_state.cp_hqd_pq_control |=
 			(order_base_2(AMDGPU_GPU_PAGE_SIZE/8) << 8);
 #ifdef __BIG_ENDIAN
-		mqd->queue_state.cp_hqd_pq_control |= BUF_SWAP_32BIT;
+		mqd->queue_state.cp_hqd_pq_control |=
+			2 << CP_HQD_PQ_CONTROL__ENDIAN_SWAP__SHIFT;
 #endif
 		mqd->queue_state.cp_hqd_pq_control &=
 			~(CP_HQD_PQ_CONTROL__UNORD_DISPATCH_MASK |