diff options
| author | Leo Liu <leo.liu@amd.com> | 2017-02-06 19:52:46 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-25 00:41:29 +0300 |
| commit | 8c303c019014afe5842bf4001b4d762f05b3a77e (patch) | |
| tree | ac0e5639216436827d1ffbee636ac792209b900a /drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | |
| parent | 3e1086cf64669ea94106f9f505b8d964cf70f492 (diff) | |
| download | linux-8c303c019014afe5842bf4001b4d762f05b3a77e.tar.xz | |
drm/amdgpu: move vcn ring test to amdgpu_vcn.c
Hope it will be generic for vcn later
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 5decef78cce7..e1493c18f97b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -232,6 +232,42 @@ void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring) schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT); } +int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t tmp = 0; + unsigned i; + int r; + + WREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0xCAFEDEAD); + r = amdgpu_ring_alloc(ring, 3); + if (r) { + DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", + ring->idx, r); + return r; + } + amdgpu_ring_write(ring, + PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0)); + amdgpu_ring_write(ring, 0xDEADBEEF); + amdgpu_ring_commit(ring); + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID)); + if (tmp == 0xDEADBEEF) + break; + DRM_UDELAY(1); + } + + if (i < adev->usec_timeout) { + DRM_INFO("ring test on %d succeeded in %d usecs\n", + ring->idx, i); + } else { + DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", + ring->idx, tmp); + r = -EINVAL; + } + return r; +} + static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo, bool direct, struct dma_fence **fence) { |