diff options
| author | Christian König <christian.koenig@amd.com> | 2018-01-12 16:30:19 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:00 -0500 |
| commit | e18fb1fd34f1db4347dd43a8ade7ece84e0aa30d (patch) | |
| tree | e692b4aaa468fa683589450927c6f78cf68213a8 /drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | |
| parent | 4d869f2598e6b3af822e3db4b5ac789e9a5915a4 (diff) | |
drm/amdgpu: wire up emit_wreg for gfx v6
Needed for vm_flush unification.
v2: handle compute rings as well.
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/gfx_v6_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 39acafbc84d6..ebe42632def0 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -2402,6 +2402,18 @@ static void gfx_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring, } } +static void gfx_v6_0_ring_emit_wreg(struct amdgpu_ring *ring, + uint32_t reg, uint32_t val) +{ + int usepfp = (ring->funcs->type == AMDGPU_RING_TYPE_GFX); + + amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); + amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(usepfp) | + WRITE_DATA_DST_SEL(0))); + amdgpu_ring_write(ring, reg); + amdgpu_ring_write(ring, 0); + amdgpu_ring_write(ring, val); +} static void gfx_v6_0_rlc_fini(struct amdgpu_device *adev) { @@ -3529,6 +3541,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = { .test_ib = gfx_v6_0_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, .emit_cntxcntl = gfx_v6_ring_emit_cntxcntl, + .emit_wreg = gfx_v6_0_ring_emit_wreg, }; static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = { @@ -3554,6 +3567,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = { .test_ring = gfx_v6_0_ring_test_ring, .test_ib = gfx_v6_0_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, + .emit_wreg = gfx_v6_0_ring_emit_wreg, }; static void gfx_v6_0_set_ring_funcs(struct amdgpu_device *adev) |