diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/cik.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/cik.c | 75 |
1 files changed, 67 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 71c50d8900e3..07c1f239e9c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1741,6 +1741,69 @@ static bool cik_need_full_reset(struct amdgpu_device *adev) return true; } +static void cik_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0, + uint64_t *count1) +{ + uint32_t perfctr = 0; + uint64_t cnt0_of, cnt1_of; + int tmp; + + /* 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; + + /* Set the 2 events that we wish to watch, defined above */ + /* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */ + perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40); + perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104); + + /* Write to enable desired perf counters */ + WREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK, perfctr); + /* Zero out and enable the perf counters + * Write 0x5: + * Bit 0 = Start all counters(1) + * Bit 2 = Global counter reset enable(1) + */ + WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000005); + + msleep(1000); + + /* Load the shadow and disable the perf counters + * Write 0x2: + * Bit 0 = Stop counters(0) + * Bit 1 = Load the shadow counters(1) + */ + WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000002); + + /* Read register values to get any >32bit overflow */ + tmp = RREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK); + cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER); + cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER); + + /* Get the values and add the overflow */ + *count0 = RREG32_PCIE(ixPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32); + *count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32); +} + +static bool cik_need_reset_on_init(struct amdgpu_device *adev) +{ + u32 clock_cntl, pc; + + if (adev->flags & AMD_IS_APU) + return false; + + /* check if the SMC is already running */ + clock_cntl = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0); + pc = RREG32_SMC(ixSMC_PC_C); + if ((0 == REG_GET_FIELD(clock_cntl, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) && + (0x20100 <= pc)) + return true; + + return false; +} + static const struct amdgpu_asic_funcs cik_asic_funcs = { .read_disabled_bios = &cik_read_disabled_bios, @@ -1756,6 +1819,8 @@ static const struct amdgpu_asic_funcs cik_asic_funcs = .invalidate_hdp = &cik_invalidate_hdp, .need_full_reset = &cik_need_full_reset, .init_doorbell_index = &legacy_doorbell_index_init, + .get_pcie_usage = &cik_get_pcie_usage, + .need_reset_on_init = &cik_need_reset_on_init, }; static int cik_common_early_init(void *handle) @@ -2005,10 +2070,7 @@ int cik_set_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &cik_ih_ip_block); amdgpu_device_ip_block_add(adev, &gfx_v7_2_ip_block); amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block); - if (amdgpu_dpm == -1) - amdgpu_device_ip_block_add(adev, &pp_smu_ip_block); - else - amdgpu_device_ip_block_add(adev, &ci_smu_ip_block); + amdgpu_device_ip_block_add(adev, &pp_smu_ip_block); if (adev->enable_virtual_display) amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); #if defined(CONFIG_DRM_AMD_DC) @@ -2026,10 +2088,7 @@ int cik_set_ip_blocks(struct amdgpu_device *adev) amdgpu_device_ip_block_add(adev, &cik_ih_ip_block); amdgpu_device_ip_block_add(adev, &gfx_v7_3_ip_block); amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block); - if (amdgpu_dpm == -1) - amdgpu_device_ip_block_add(adev, &pp_smu_ip_block); - else - amdgpu_device_ip_block_add(adev, &ci_smu_ip_block); + amdgpu_device_ip_block_add(adev, &pp_smu_ip_block); if (adev->enable_virtual_display) amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); #if defined(CONFIG_DRM_AMD_DC) |