From 4dfe7d7b4e3ba16fc377a48a221bfe8172bc50e1 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 27 Mar 2018 16:51:41 -0500 Subject: drm/amdgpu/sdma4: add emit_reg_write_reg_wait ring callback (v2) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This adds support for writing and reading back in a single oneshot packet. This is needed to send a tlb invalidation and wait for ack in a single operation. v2: squash sdma hang fix into this patch Reviewed-by: Huang Rui Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Emily Deng --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 2c618a1..03a36cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1611,6 +1611,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = { .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, + .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, }; static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev) -- cgit v1.1