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-rw-r--r--drivers/gpu/drm/radeon/radeon_dp_mst.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c3
-rw-r--r--include/uapi/drm/radeon_drm.h1
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;