diff options
| -rw-r--r-- | drivers/char/drm/radeon_state.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 99589fe0032..0433ff80cb7 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -2987,7 +2987,11 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) case RADEON_PARAM_GART_TEX_HANDLE: value = dev_priv->gart_textures_offset; break; - + case RADEON_PARAM_SCRATCH_OFFSET: + if (!dev_priv->writeback_works) + return DRM_ERR(EINVAL); + value = RADEON_SCRATCH_REG_OFFSET; + break; case RADEON_PARAM_CARD_TYPE: if (dev_priv->flags & CHIP_IS_PCIE) value = RADEON_CARD_PCIE; |