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@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);