[PATCH 2/2] drm/amdgpu: increase gtt size to 3GB by default

[Alex Deucher]

On Wed, Apr 19, 2017 at 11:47 PM, Chunming Zhou <David1.Zhou at amd.com> wrote:
> Change-Id: Icdf2486a2d1116e71dc8958cda679a4a83838489
> Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index d74a406..8f201a3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -65,7 +65,7 @@
>  #define KMS_DRIVER_PATCHLEVEL  0
>
>  int amdgpu_vram_limit = 0;
> -int amdgpu_gart_size = -1; /* auto */
> +int amdgpu_gart_size = 3072; /* 3GB by default */

This breaks the auto setting.  Please add a global define for gtt size
(e.g., AMDGPU_DEFAULT_GTT_SIZE_MB) and switch the gmc modules to use
that rather than the hardcoded 1024ULL.

Alex

>  int amdgpu_moverate = -1; /* auto */
>  int amdgpu_benchmarking = 0;
>  int amdgpu_testing = 0;
> --
> 1.9.1
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx