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| author | Alex Deucher <alexander.deucher@amd.com> | 2018-06-25 13:07:50 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-07-05 16:39:59 -0500 |
| commit | 5d9a6330403271fbb1244f14380a7cc44662796f (patch) | |
| tree | 16b64e29d9b788acfe9577d3e7fa012ab3a0d7ae /drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | |
| parent | 4976f1c8ccff0d682176851692976e3bf03267d6 (diff) | |
| download | op-kernel-dev-5d9a6330403271fbb1244f14380a7cc44662796f.zip op-kernel-dev-5d9a6330403271fbb1244f14380a7cc44662796f.tar.gz | |
drm/amdgpu: use pcie functions for link width and speed
Use the newly exported pci functions to get the link width
and speed rather than using the drm duplicated versions.
Also query the GPU link caps directly rather than hardcoding
them.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 83 |
1 files changed, 58 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index c35db85..d43abbd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3311,8 +3311,9 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, */ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) { - u32 mask; - int ret; + struct pci_dev *pdev; + enum pci_bus_speed speed_cap; + enum pcie_link_width link_width; if (amdgpu_pcie_gen_cap) adev->pm.pcie_gen_mask = amdgpu_pcie_gen_cap; @@ -3330,27 +3331,61 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) } if (adev->pm.pcie_gen_mask == 0) { - ret = drm_pcie_get_speed_cap_mask(adev->ddev, &mask); - if (!ret) { - adev->pm.pcie_gen_mask = (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + /* asic caps */ + pdev = adev->pdev; + speed_cap = pcie_get_speed_cap(pdev); + if (speed_cap == PCI_SPEED_UNKNOWN) { + adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); - - if (mask & DRM_PCIE_SPEED_25) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; - if (mask & DRM_PCIE_SPEED_50) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2; - if (mask & DRM_PCIE_SPEED_80) - adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3; } else { - adev->pm.pcie_gen_mask = AMDGPU_DEFAULT_PCIE_GEN_MASK; + if (speed_cap == PCIE_SPEED_16_0GT) + adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN4); + else if (speed_cap == PCIE_SPEED_8_0GT) + adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3); + else if (speed_cap == PCIE_SPEED_5_0GT) + adev->pm.pcie_gen_mask |= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2); + else + adev->pm.pcie_gen_mask |= CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1; + } + /* platform caps */ + pdev = adev->ddev->pdev->bus->self; + speed_cap = pcie_get_speed_cap(pdev); + if (speed_cap == PCI_SPEED_UNKNOWN) { + adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); + } else { + if (speed_cap == PCIE_SPEED_16_0GT) + adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4); + else if (speed_cap == PCIE_SPEED_8_0GT) + adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3); + else if (speed_cap == PCIE_SPEED_5_0GT) + adev->pm.pcie_gen_mask |= (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1 | + CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2); + else + adev->pm.pcie_gen_mask |= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1; + } } if (adev->pm.pcie_mlw_mask == 0) { - ret = drm_pcie_get_max_link_width(adev->ddev, &mask); - if (!ret) { - switch (mask) { - case 32: + pdev = adev->ddev->pdev->bus->self; + link_width = pcie_get_width_cap(pdev); + if (link_width == PCIE_LNK_WIDTH_UNKNOWN) { + adev->pm.pcie_mlw_mask |= AMDGPU_DEFAULT_PCIE_MLW_MASK; + } else { + switch (link_width) { + case PCIE_LNK_X32: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | @@ -3359,7 +3394,7 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 16: + case PCIE_LNK_X16: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | @@ -3367,36 +3402,34 @@ static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev) CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 12: + case PCIE_LNK_X12: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 8: + case PCIE_LNK_X8: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 4: + case PCIE_LNK_X4: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 2: + case PCIE_LNK_X2: adev->pm.pcie_mlw_mask = (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 | CAIL_PCIE_LINK_WIDTH_SUPPORT_X1); break; - case 1: + case PCIE_LNK_X1: adev->pm.pcie_mlw_mask = CAIL_PCIE_LINK_WIDTH_SUPPORT_X1; break; default: break; } - } else { - adev->pm.pcie_mlw_mask = AMDGPU_DEFAULT_PCIE_MLW_MASK; } } } |
