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drm/amdgpu/vce4: add emit_reg_write_reg_wait ring callback

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This adds support for writing and reading back using the
helper since the engines doesn't have a oneshot packet.

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>
This commit is contained in:
Alex Deucher 2018-03-27 17:06:33 -05:00
parent 1ab0c9a75f
commit 3fa0b1cbc0
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
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@ -1081,6 +1081,7 @@ static const struct amdgpu_ring_funcs vce_v4_0_ring_vm_funcs = {
.end_use = amdgpu_vce_ring_end_use,
.emit_wreg = vce_v4_0_emit_wreg,
.emit_reg_wait = vce_v4_0_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev)