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| author | Thong Thai <thong.thai@amd.com> | 2019-07-25 18:26:56 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-31 07:48:33 +0300 |
| commit | c74dbe44eacf00a5ccc229b5cc340a9b7f6851a0 (patch) | |
| tree | 892021a90a5302891c915c84fbce868a327db32a /drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | |
| parent | 3207dcf3afd6bffe5e887d483e7071616b97bd8f (diff) | |
| download | linux-c74dbe44eacf00a5ccc229b5cc340a9b7f6851a0.tar.xz | |
drm/amd/amdgpu/vcn_v2_0: Move VCN 2.0 specific dec ring test to vcn_v2_0
VCN 2.0 firmware now requires a packet start command to be sent before
any other decode ring buffer command.
Signed-off-by: Thong Thai <thong.thai@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c index 80bb49736ee4..eef3ec5449af 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c @@ -2092,6 +2092,36 @@ static int vcn_v2_0_process_interrupt(struct amdgpu_device *adev, return 0; } +static int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t tmp = 0; + unsigned i; + int r; + + WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD); + r = amdgpu_ring_alloc(ring, 4); + if (r) + return r; + amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.cmd, 0)); + amdgpu_ring_write(ring, VCN_DEC_KMD_CMD | (VCN_DEC_CMD_PACKET_START << 1)); + amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0)); + amdgpu_ring_write(ring, 0xDEADBEEF); + amdgpu_ring_commit(ring); + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i >= adev->usec_timeout) + r = -ETIMEDOUT; + + return r; +} + + static int vcn_v2_0_set_powergating_state(void *handle, enum amd_powergating_state state) { @@ -2155,7 +2185,7 @@ static const struct amdgpu_ring_funcs vcn_v2_0_dec_ring_vm_funcs = { .emit_ib = vcn_v2_0_dec_ring_emit_ib, .emit_fence = vcn_v2_0_dec_ring_emit_fence, .emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush, - .test_ring = amdgpu_vcn_dec_ring_test_ring, + .test_ring = vcn_v2_0_dec_ring_test_ring, .test_ib = amdgpu_vcn_dec_ring_test_ib, .insert_nop = vcn_v2_0_dec_ring_insert_nop, .insert_start = vcn_v2_0_dec_ring_insert_start, |