diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 16:53:39 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-08-09 16:53:39 +0200 |
| commit | 0e1c438c44dd9cde56effb44c5f1cfeda72e108d (patch) | |
| tree | fa3492d4d7d8b7444e5d8ebe6c78210826333e4b /drivers/gpu/drm/amd/amdgpu/si.c | |
| parent | c096397c78f766db972f923433031f2dec01cae0 (diff) | |
| parent | cdb2d3ee0436d74fa9092f2df46aaa6f9e03c969 (diff) | |
Merge tag 'kvmarm-fixes-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm fixes for 5.3
- A bunch of switch/case fall-through annotation, fixing one actual bug
- Fix PMU reset bug
- Add missing exception class debug strings
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/si.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/si.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 9d8df68893b9d..4d74453f3cfbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -24,7 +24,8 @@ #include <linux/firmware.h> #include <linux/slab.h> #include <linux/module.h> -#include <drm/drmP.h> +#include <linux/pci.h> + #include "amdgpu.h" #include "amdgpu_atombios.h" #include "amdgpu_ih.h" @@ -1339,8 +1340,8 @@ static void si_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, /* This reports 0 on APUs, so return to avoid writing/reading registers * that may or may not be different from their GPU counterparts */ - if (adev->flags & AMD_IS_APU) - return; + if (adev->flags & AMD_IS_APU) + return; /* Set the 2 events that we wish to watch, defined above */ /* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */ @@ -1375,6 +1376,18 @@ 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 +1406,7 @@ 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) |