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| author | Christian König <christian.koenig@amd.com> | 2018-07-18 15:52:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-27 17:07:41 +0300 |
| commit | 66c28d6df2d8292098839d365b82a1e30b567211 (patch) | |
| tree | f4344cff1d184ba0fb5214749e2353f4182accf3 /drivers/gpu/drm | |
| parent | 9d248517d4bd807c7690d55d0b6f54618fc60942 (diff) | |
| download | linux-66c28d6df2d8292098839d365b82a1e30b567211.tar.xz | |
drm/amdgpu: patch the IBs for the second UVD instance v2
Patch the IBs for the second UVD instance so that userspace don't need
to care about the instance they submit to.
v2: use direct IB patching
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-and-tested-by: James Zhu <James.Zhu@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/uvd_v7_0.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c index db5f3d78ab12..d74c1b242667 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c @@ -1206,6 +1206,34 @@ static int uvd_v7_0_ring_test_ring(struct amdgpu_ring *ring) } /** + * uvd_v7_0_ring_patch_cs_in_place - Patch the IB for command submission. + * + * @p: the CS parser with the IBs + * @ib_idx: which IB to patch + * + */ +static int uvd_v7_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p, + uint32_t ib_idx) +{ + struct amdgpu_ib *ib = &p->job->ibs[ib_idx]; + unsigned i; + + /* No patching necessary for the first instance */ + if (!p->ring->me) + return 0; + + for (i = 0; i < ib->length_dw; i += 2) { + uint32_t reg = amdgpu_get_ib_value(p, ib_idx, i); + + reg -= p->adev->reg_offset[UVD_HWIP][0][1]; + reg += p->adev->reg_offset[UVD_HWIP][1][1]; + + amdgpu_set_ib_value(p, ib_idx, i, reg); + } + return 0; +} + +/** * uvd_v7_0_ring_emit_ib - execute indirect buffer * * @ring: amdgpu_ring pointer @@ -1697,6 +1725,7 @@ static const struct amdgpu_ring_funcs uvd_v7_0_ring_vm_funcs = { .get_rptr = uvd_v7_0_ring_get_rptr, .get_wptr = uvd_v7_0_ring_get_wptr, .set_wptr = uvd_v7_0_ring_set_wptr, + .patch_cs_in_place = uvd_v7_0_ring_patch_cs_in_place, .emit_frame_size = 6 + /* hdp invalidate */ SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + |