On Mon, Jan 30, 2012 at 11:10 PM, Ilija Hadzic <ihadzic@xxxxxxxxxxxxxxxxxxxxxx> wrote: > copy_blit operation works only on integral number of pages > so benchmarks shorter than one page size (4K) do not make sense > > v2: use RADEON_GPU_PAGE_SIZE instead of "magic" 1024 number and > sweep sizes between 1x<page_size> to 16x<page_size> doubling > the size in each iteration; we get the same coverage, as > in the original benchmark, but guarantee integer multiples > of page size > > Signed-off-by: Ilija Hadzic <ihadzic@xxxxxxxxxxxxxxxxxxxxxx> Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> > --- > drivers/gpu/drm/radeon/radeon_benchmark.c | 12 ++++++------ > 1 files changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c > index 815f234..d3c0002 100644 > --- a/drivers/gpu/drm/radeon/radeon_benchmark.c > +++ b/drivers/gpu/drm/radeon/radeon_benchmark.c > @@ -208,22 +208,22 @@ 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) > - radeon_benchmark_move(rdev, i*1024, > + for (i = 1; i <= 16384; i <<= 1) > + radeon_benchmark_move(rdev, i*RADEON_GPU_PAGE_SIZE, > 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) > - radeon_benchmark_move(rdev, i*1024, > + for (i = 1; i <= 16384; i <<= 1) > + radeon_benchmark_move(rdev, i*RADEON_GPU_PAGE_SIZE, > 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) > - radeon_benchmark_move(rdev, i*1024, > + for (i = 1; i <= 16384; i <<= 1) > + radeon_benchmark_move(rdev, i*RADEON_GPU_PAGE_SIZE, > RADEON_GEM_DOMAIN_VRAM, > RADEON_GEM_DOMAIN_VRAM); > break; > -- > 1.7.7 > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
