PCI_CLASS_ACCELERATOR_PROCESSING devices won't ever be the sysfb, so there is no need to free conflicting apertures. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 1eff6252f66b4..689f1833d02b7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -4401,10 +4401,17 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) return r; - /* Get rid of things like offb */ - r = aperture_remove_conflicting_pci_devices(adev->pdev, amdgpu_kms_driver.name); - if (r) - return r; + /* + * No need to remove conflicting FBs for non-display class devices. + * This prevents the sysfb from being freed accidently. + */ + if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA || + (pdev->class >> 8) == PCI_CLASS_DISPLAY_OTHER) { + /* Get rid of things like offb */ + r = aperture_remove_conflicting_pci_devices(adev->pdev, amdgpu_kms_driver.name); + if (r) + return r; + } /* Enable TMZ based on IP_VERSION */ amdgpu_gmc_tmz_set(adev); -- 2.48.1