[PATCH] drm/radeon/kms: remove benchmarks shorter than one page

[Ilija Hadzic]

scratch this one, I've just thought of a better one (coming in a few 
minutes)




On Mon, 30 Jan 2012, Ilija Hadzic wrote:

> 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
>
>