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authorChristian König <christian.koenig@amd.com>2018-01-12 18:33:15 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 22:18:03 +0300
commita37e69db4f566f5432d098a878a35b8eab0f4d4a (patch)
tree6fc7c370c6d1af689869ef6cc3c263d6bbbd1356 /drivers/gpu/drm
parent5b9263d9f2ab4f8afe21ef60c71eaf8c8289235a (diff)
downloadlinux-a37e69db4f566f5432d098a878a35b8eab0f4d4a.tar.xz
drm/amdgpu: wire up emit_wreg for CIK SDMA
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/cik_sdma.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 66d9b5f85d6e..fbbac8498044 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)