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| author | Christian König <christian.koenig@amd.com> | 2018-01-12 16:31:15 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:18:00 -0500 |
| commit | 3f3e9de803c54822cb0faacaad021626977ab92a (patch) | |
| tree | 3fc938253b8d57f52ffbc2d0344c5711fad8dfff /drivers/gpu/drm/amd/amdgpu | |
| parent | e18fb1fd34f1db4347dd43a8ade7ece84e0aa30d (diff) | |
| download | linux-3f3e9de803c54822cb0faacaad021626977ab92a.tar.bz2 | |
drm/amdgpu: wire up emit_wreg for gfx v7
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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index e29c22a72764..fbce0c0fdb14 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -3290,6 +3290,19 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring, } } +static void gfx_v7_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); +} + /* * RLC * The RLC is a multi-purpose microengine that handles a @@ -5134,6 +5147,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = { .insert_nop = amdgpu_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, .emit_cntxcntl = gfx_v7_ring_emit_cntxcntl, + .emit_wreg = gfx_v7_0_ring_emit_wreg, }; static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { @@ -5163,6 +5177,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = { .test_ib = gfx_v7_0_ring_test_ib, .insert_nop = amdgpu_ring_insert_nop, .pad_ib = amdgpu_ring_generic_pad_ib, + .emit_wreg = gfx_v7_0_ring_emit_wreg, }; static void gfx_v7_0_set_ring_funcs(struct amdgpu_device *adev) |