[PATCH v2 1/2] drm/amd: Clarify kdoc for amdgpu.gttsize

[Alex Deucher]

On Thu, Jan 16, 2025 at 5:07 PM Mario Limonciello <superm1 at kernel.org> wrote:
>
> From: Mario Limonciello <mario.limonciello at amd.com>
>
> Effectively amdgpu.gttsize gets set to ~1/2 of RAM, but that's controlled
> by what the TTM page limit is set to.  Clarify the kdoc.
>
> Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher 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 b911653dd8b6..680b272a83c9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -282,7 +282,7 @@ module_param_named(gartsize, amdgpu_gart_size, uint, 0600);
>  /**
>   * DOC: gttsize (int)
>   * Restrict the size of GTT domain (for userspace use) in MiB for testing.
> - * The default is -1 (Use 1/2 RAM, minimum value is 3GB).
> + * The default is -1 (Use value specified by TTM).
>   */
>  MODULE_PARM_DESC(gttsize, "Size of the GTT userspace domain in megabytes (-1 = auto)");
>  module_param_named(gttsize, amdgpu_gtt_size, int, 0600);
> --
> 2.48.0
>