| Message ID | 1296669199-1359-1-git-send-email-alexdeucher@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index d404522..993a7cd 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3132,6 +3132,18 @@ int evergreen_init(struct radeon_device *rdev) rdev->accel_working = false; } } + + /* Don't start up if the MC ucode is missing. + * The default clocks and voltages before the MC ucode + * is loaded are not suffient for advanced operations. + */ + if (ASIC_IS_DCE5(rdev)) { + if (!rdev->mc_fw) { + DRM_ERROR("radeon: MC ucode required for NI+.\n"); + return -EINVAL; + } + } + return 0; }