diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index d1a695864793..367f331b4a54 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -578,6 +578,11 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, struct drm_device *dev; unsigned long flags = ent->driver_data; int ret, retry = 0; + bool supports_atomic = false; + + if (!amdgpu_virtual_display && + amdgpu_device_asic_has_dc_support(flags & AMD_ASIC_MASK)) + supports_atomic = true; if ((flags & AMD_EXP_HW_SUPPORT) && !amdgpu_exp_hw_support) { DRM_INFO("This hardware requires experimental hardware support.\n" @@ -598,6 +603,13 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, if (ret) return ret; + /* warn the user if they mix atomic and non-atomic capable GPUs */ + if ((kms_driver.driver_features & DRIVER_ATOMIC) && !supports_atomic) + DRM_ERROR("Mixing atomic and non-atomic capable GPUs!\n"); + /* support atomic early so the atomic debugfs stuff gets created */ + if (supports_atomic) + kms_driver.driver_features |= DRIVER_ATOMIC; + dev = drm_dev_alloc(&kms_driver, &pdev->dev); if (IS_ERR(dev)) return PTR_ERR(dev); |