diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c')
| -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 + |