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From 63b47c4664de5e3419043a00c2d16ab7c4df03d5 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 27 Mar 2018 17:06:33 -0500
Subject: [PATCH 4189/5725] drm/amdgpu/vce4: add emit_reg_write_reg_wait ring
callback
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index 73fd48d..8fd1b74 100755
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -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)
--
2.7.4
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