diff options
| author |   Mario Limonciello <mario.limonciello@amd.com> | 2024-12-11 09:56:01 -0600 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2024-12-18 12:15:40 -0500 |
| commit | 1ad5bdc28bafa66db0f041cc6cdd278a80426aae (patch) | |
| tree | 4a83fd8a90b383320a222aa1da76495316412473 | |
| parent | drm/amdgpu/vcn: reset fw_shared under SRIOV (diff) | |
| download | wireguard-linux-1ad5bdc28bafa66db0f041cc6cdd278a80426aae.tar.xz wireguard-linux-1ad5bdc28bafa66db0f041cc6cdd278a80426aae.zip | |
drm/amd: Require CONFIG_HOTPLUG_PCI_PCIE for BOCO
If the kernel hasn't been compiled with PCIe hotplug support this
can lead to problems with dGPUs that use BOCO because they effectively
drop off the bus.
To prevent issues, disable BOCO support when compiled without PCIe hotplug.
Reported-by: Gabriel Marcano <gabemarcano@yahoo.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1707#note_2696862
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://lore.kernel.org/r/20241211155601.3585256-1-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index e22fc7a8101f..36053b3d48b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -419,6 +419,9 @@ bool amdgpu_device_supports_boco(struct drm_device *dev) { struct amdgpu_device *adev = drm_to_adev(dev); + if (!IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE)) + return false; + if (adev->has_pr3 || ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid())) return true; |