drm/radeon: disable tests/benchmarks if accel is disabled

The tests are only usable if the acceleration engines have
been successfully initialized.

Based on an initial patch from: Alex Ivanov <gnidorah@p0n4ik.tk>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e29faa7..841d0e0 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1320,13 +1320,22 @@ int radeon_device_init(struct radeon_device *rdev,
                        return r;
        }
        if ((radeon_testing & 1)) {
-               radeon_test_moves(rdev);
+               if (rdev->accel_working)
+                       radeon_test_moves(rdev);
+               else
+                       DRM_INFO("radeon: acceleration disabled, skipping move tests\n");
        }
        if ((radeon_testing & 2)) {
-               radeon_test_syncing(rdev);
+               if (rdev->accel_working)
+                       radeon_test_syncing(rdev);
+               else
+                       DRM_INFO("radeon: acceleration disabled, skipping sync tests\n");
        }
        if (radeon_benchmarking) {
-               radeon_benchmark(rdev, radeon_benchmarking);
+               if (rdev->accel_working)
+                       radeon_benchmark(rdev, radeon_benchmarking);
+               else
+                       DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n");
        }
        return 0;
 }