diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_dp_mst.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 3 | ||||
| -rw-r--r-- | include/uapi/drm/radeon_drm.h | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index 2b98ed3e684d..257b10be5cda 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -663,12 +663,17 @@ int radeon_dp_mst_probe(struct radeon_connector *radeon_connector) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; + struct drm_device *dev = radeon_connector->base.dev; + struct radeon_device *rdev = dev->dev_private; int ret; u8 msg[1]; if (!radeon_mst) return 0; + if (!ASIC_IS_DCE5(rdev)) + return 0; + if (dig_connector->dpcd[DP_DPCD_REV] < 0x12) return 0; diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 7b2a7335cc5d..b0acf50d9558 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -576,6 +576,9 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file if (radeon_get_allowed_info_register(rdev, *value, value)) return -EINVAL; break; + case RADEON_INFO_VA_UNMAP_WORKING: + *value = true; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 871e73f99a4d..94d44ab2fda1 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -1038,6 +1038,7 @@ struct drm_radeon_cs { #define RADEON_INFO_CURRENT_GPU_SCLK 0x22 #define RADEON_INFO_CURRENT_GPU_MCLK 0x23 #define RADEON_INFO_READ_REG 0x24 +#define RADEON_INFO_VA_UNMAP_WORKING 0x25 struct drm_radeon_info { uint32_t request; |