diff options
| 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/si.c | |
| parent | 14ee642c2ab0a3d8a1ded11fade692d8b77172b9 (diff) | |
| parent | cf401e2856b27b2deeada498eab864e2a50cf219 (diff) | |
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/si.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 9d8df68893b9..4ff930a47e10 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1375,6 +1375,18 @@ static void si_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, *count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32); } +static uint64_t si_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 si_asic_funcs = { .read_disabled_bios = &si_read_disabled_bios, @@ -1393,6 +1405,7 @@ static const struct amdgpu_asic_funcs si_asic_funcs = .need_full_reset = &si_need_full_reset, .get_pcie_usage = &si_get_pcie_usage, .need_reset_on_init = &si_need_reset_on_init, + .get_pcie_replay_count = &si_get_pcie_replay_count, }; static uint32_t si_get_rev_id(struct amdgpu_device *adev) |