From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 12 Jan 2018 16:33:49 +0100
Subject: drm/amdgpu: wire up emit_wreg for SDMA v3
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Git-commit: 3d31d4cb2cc4aba99d485ee052dffdf934a1bfca
Patch-mainline: v4.17-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Needed for vm_flush unification.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -1155,6 +1155,15 @@ static void sdma_v3_0_ring_emit_vm_flush
SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
}
+static void sdma_v3_0_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
+ SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
+ amdgpu_ring_write(ring, reg);
+ amdgpu_ring_write(ring, val);
+}
+
static int sdma_v3_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1653,6 +1662,7 @@ static const struct amdgpu_ring_funcs sd
.test_ib = sdma_v3_0_ring_test_ib,
.insert_nop = sdma_v3_0_ring_insert_nop,
.pad_ib = sdma_v3_0_ring_pad_ib,
+ .emit_wreg = sdma_v3_0_ring_emit_wreg,
};
static void sdma_v3_0_set_ring_funcs(struct amdgpu_device *adev)