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authorChristian König <christian.koenig@amd.com>2018-01-12 16:33:34 +0100
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:18:03 -0500
commita355d0f5e643d5c1c8b1ff9a742fc7f8b844f4f5 (patch)
tree326455cbf5f34d5879e447b491ef55dca74ed150 /drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
parenta37e69db4f566f5432d098a878a35b8eab0f4d4a (diff)
drm/amdgpu: wire up emit_wreg for SDMA v2.4
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/amd/amdgpu/sdma_v2_4.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index c4de1c18bf77..0fb4b4409ef1 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -889,6 +889,15 @@ static void sdma_v2_4_ring_emit_vm_flush(struct amdgpu_ring *ring,
SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
}
+static void sdma_v2_4_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_v2_4_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1219,6 +1228,7 @@ static const struct amdgpu_ring_funcs sdma_v2_4_ring_funcs = {
.test_ib = sdma_v2_4_ring_test_ib,
.insert_nop = sdma_v2_4_ring_insert_nop,
.pad_ib = sdma_v2_4_ring_pad_ib,
+ .emit_wreg = sdma_v2_4_ring_emit_wreg,
};
static void sdma_v2_4_set_ring_funcs(struct amdgpu_device *adev)