[PATCH 3/3] drm/ttm: make up to 90% of system memory available

[Michel Dänzer]

On 2020-11-17 3:06 p.m., Christian König wrote:
> Increase the ammount of system memory drivers can use to about 90% of
> the total available.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>
> ---
>   drivers/gpu/drm/ttm/ttm_bo.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> index a958135cb3fe..0a93df93dba4 100644
> --- a/drivers/gpu/drm/ttm/ttm_bo.c
> +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> @@ -1267,7 +1267,7 @@ static int ttm_bo_global_init(void)
>   	 * the available system memory.
>   	 */
>   	num_pages = (u64)si.totalram * si.mem_unit;
> -	num_pages = (num_pages * 50 / 100) >> PAGE_SHIFT;
> +	num_pages = (num_pages * 90 / 100) >> PAGE_SHIFT;
>   
>   	/* But for DMA32 we limit ourself to only use 2GiB maximum. */
>   	num_dma32_pages = (u64)(si.totalram - si.totalhigh) * si.mem_unit;
> 

This should update the comment added in patch 1.


-- 
Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer