drm/radeon/kms: always use writeback/events for fences on NI

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e353430..26091d6 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -228,6 +228,11 @@ int radeon_wb_init(struct radeon_device *rdev)
                                rdev->wb.use_event = true;
                }
        }
+       /* always use writeback/events on NI */
+       if (ASIC_IS_DCE5(rdev)) {
+               rdev->wb.enabled = true;
+               rdev->wb.use_event = true;
+       }
 
        dev_info(rdev->dev, "WB %sabled\n", rdev->wb.enabled ? "en" : "dis");