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drm/radeon/benchmark: make sure bo blit copy exists before using it 

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.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alex Deucher 2013-03-12 12:53:13 -04:00 committed by Greg Kroah-Hartman
parent ae7952e88f
commit f16d21e7f0
1 changed files with 9 additions and 7 deletions
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16
drivers/gpu/drm/radeon/radeon_benchmark.c
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@ -141,13 +141,15 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
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) {