drm/amdgpu: implement sdma_v4_0_ring_emit_reg_wait (5ad68ee4) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -1152,6 +1152,20 @@ static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring,
		amdgpu_ring_write(ring, val);
		}

		static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
		uint32_t val, uint32_t mask)
		{
		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) \|
		SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(0) \|
		SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* equal */
		amdgpu_ring_write(ring, reg << 2);
		amdgpu_ring_write(ring, 0);
		amdgpu_ring_write(ring, val); /* reference */
		amdgpu_ring_write(ring, mask); /* mask */
		amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) \|
		SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10));
		}

		static int sdma_v4_0_early_init(void *handle)
		{
		struct amdgpu_device adev = (struct amdgpu_device )handle;
		@@ -1588,6 +1602,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
		.insert_nop = sdma_v4_0_ring_insert_nop,
		.pad_ib = sdma_v4_0_ring_pad_ib,
		.emit_wreg = sdma_v4_0_ring_emit_wreg,
		.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
		};

		static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)