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

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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@xxxxxxx>
---
  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
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