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authorAlex Deucher <alexander.deucher@amd.com>2018-03-27 16:51:41 -0500
committerAlex Deucher <alexander.deucher@amd.com>2018-05-15 13:43:14 -0500
commit4dfe7d7b4e3ba16fc377a48a221bfe8172bc50e1 (patch)
tree61a8baa6c770d01c7892f485aa1c49f47e150e61 /drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
parent10ed3c3190d38f189ed6857cecca1a2eb6de33a3 (diff)
downloadop-kernel-dev-4dfe7d7b4e3ba16fc377a48a221bfe8172bc50e1.zip
op-kernel-dev-4dfe7d7b4e3ba16fc377a48a221bfe8172bc50e1.tar.gz
drm/amdgpu/sdma4: add emit_reg_write_reg_wait ring callback (v2)
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 <ray.huang@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c1
1 files changed, 1 insertions, 0 deletions
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)
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