3.8-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deuc...@amd.com>

commit fa8d387dc3f62062a6b4afbbb2a3438094fd8584 upstream.

Fixes a segfault on asics without a blit callback.

Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=62239

Reviewed-by: Michel Dänzer <michel.daen...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/gpu/drm/radeon/radeon_benchmark.c |   16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -135,13 +135,15 @@ static void radeon_benchmark_move(struct
                                                     sdomain, ddomain, "dma");
        }
 
-       time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
-                                       RADEON_BENCHMARK_COPY_BLIT, n);
-       if (time < 0)
-               goto out_cleanup;
-       if (time > 0)
-               radeon_benchmark_log_results(n, size, time,
-                                            sdomain, ddomain, "blit");
+       if (rdev->asic->copy.blit) {
+               time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
+                                               RADEON_BENCHMARK_COPY_BLIT, n);
+               if (time < 0)
+                       goto out_cleanup;
+               if (time > 0)
+                       radeon_benchmark_log_results(n, size, time,
+                                                    sdomain, ddomain, "blit");
+       }
 
 out_cleanup:
        if (sobj) {


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to