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From 1432b17c51079cf13ae6e26d150fe46cb42191e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 12 Jan 2018 16:33:15 +0100
Subject: [PATCH 3193/4131] drm/amdgpu: wire up emit_wreg for CIK SDMA
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Needed for vm_flush unification.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
---
drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 4c698201..9edf0ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -907,6 +907,14 @@ static void cik_sdma_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
}
+static void cik_sdma_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
+ amdgpu_ring_write(ring, reg);
+ amdgpu_ring_write(ring, val);
+}
+
static void cik_enable_sdma_mgcg(struct amdgpu_device *adev,
bool enable)
{
@@ -1295,6 +1303,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
.test_ib = cik_sdma_ring_test_ib,
.insert_nop = cik_sdma_ring_insert_nop,
.pad_ib = cik_sdma_ring_pad_ib,
+ .emit_wreg = cik_sdma_ring_emit_wreg,
};
static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev)
--
2.7.4
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