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| author |   Dave Airlie <airlied@redhat.com> | 2019-05-31 09:33:29 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2019-05-31 10:04:39 +1000 |
| commit | 91c1ead6aee22d4595f50ba66070b94a4a8f84a9 (patch) | |
| tree | 066ffa1c352b6257dd37cda6a1df53159e133f2e /drivers/gpu/drm/amd/amdgpu/cik.c | |
| parent | Merge tag 'drm-intel-next-2019-05-24' of git://anongit.freedesktop.org/drm/drm-intel into drm-next (diff) | |
| parent | drm/amdkfd: fix null pointer dereference on dev (diff) | |
| download | linux-rng-91c1ead6aee22d4595f50ba66070b94a4a8f84a9.tar.xz linux-rng-91c1ead6aee22d4595f50ba66070b94a4a8f84a9.zip | |
Merge branch 'drm-next-5.3' of git://people.freedesktop.org/~agd5f/linux into drm-next
New stuff for 5.3:
- Add new thermal sensors for vega asics
- Various RAS fixes
- Add sysfs interface for memory interface utilization
- Use HMM rather than mmu notifier for user pages
- Expose xgmi topology via kfd
- SR-IOV fixes
- Fixes for manual driver reload
- Add unique identifier for vega asics
- Clean up user fence handling with UVD/VCE/VCN blocks
- Convert DC to use core bpc attribute rather than a custom one
- Add GWS support for KFD
- Vega powerplay improvements
- Add CRC support for DCE 12
- SR-IOV support for new security policy
- Various cleanups
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190529220944.14464-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 07c1f239e9c3..3a4f20766a39 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1804,6 +1804,18 @@ static bool cik_need_reset_on_init(struct amdgpu_device *adev) return false; } +static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev) +{ + uint64_t nak_r, nak_g; + + /* Get the number of NAKs received and generated */ + nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK); + nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED); + + /* Add the total number of NAKs, i.e the number of replays */ + return (nak_r + nak_g); +} + static const struct amdgpu_asic_funcs cik_asic_funcs = { .read_disabled_bios = &cik_read_disabled_bios, @@ -1821,6 +1833,7 @@ static const struct amdgpu_asic_funcs cik_asic_funcs = .init_doorbell_index = &legacy_doorbell_index_init, .get_pcie_usage = &cik_get_pcie_usage, .need_reset_on_init = &cik_need_reset_on_init, + .get_pcie_replay_count = &cik_get_pcie_replay_count, }; static int cik_common_early_init(void *handle) |