copy_blit operation works only on integral number of pages
so benchmarks shorter than one page size (4K) do not make sense
Signed-off-by: Ilija Hadzic <ihadzic at research.bell-labs.com>
---
 drivers/gpu/drm/radeon/radeon_benchmark.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c 
b/drivers/gpu/drm/radeon/radeon_benchmark.c
index 815f234..a500493 100644
--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
+++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
@@ -208,21 +208,21 @@ void radeon_benchmark(struct radeon_device *rdev, int 
test_number)
                break;
        case 3:
                /* GTT to VRAM, buffer size sweep, powers of 2 */
-               for (i = 1; i <= 65536; i <<= 1)
+               for (i = 4; i <= 65536; i <<= 1)
                        radeon_benchmark_move(rdev, i*1024,
                                              RADEON_GEM_DOMAIN_GTT,
                                              RADEON_GEM_DOMAIN_VRAM);
                break;
        case 4:
                /* VRAM to GTT, buffer size sweep, powers of 2 */
-               for (i = 1; i <= 65536; i <<= 1)
+               for (i = 4; i <= 65536; i <<= 1)
                        radeon_benchmark_move(rdev, i*1024,
                                              RADEON_GEM_DOMAIN_VRAM,
                                              RADEON_GEM_DOMAIN_GTT);
                break;
        case 5:
                /* VRAM to VRAM, buffer size sweep, powers of 2 */
-               for (i = 1; i <= 65536; i <<= 1)
+               for (i = 4; i <= 65536; i <<= 1)
                        radeon_benchmark_move(rdev, i*1024,
                                              RADEON_GEM_DOMAIN_VRAM,
                                              RADEON_GEM_DOMAIN_VRAM);
-- 
1.7.7

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