diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 87152d8ef0df..5b8f5d9fc3c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -717,9 +717,15 @@ static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, return; /* Set the 2 events that we wish to watch, defined above */ - /* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */ + /* Reg 40 is # received msgs */ perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40); - perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104); + /* Pre-VG20, Reg 104 is # of posted requests sent. On VG20 it's 108 */ + if (adev->asic_type == CHIP_VEGA20) + perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, + EVENT1_SEL, 108); + else + perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, + EVENT1_SEL, 104); /* Write to enable desired perf counters */ WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr); |