From c309cd03b4e63785974481d65ffaf13ffcd75afb Mon Sep 17 00:00:00 2001 From: "Roger.He" Date: Mon, 27 Mar 2017 19:38:11 +0800 Subject: [PATCH] drm/amd/amdgpu: fix performance drop when VRAM pressure MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit When VRAM pressue and trigger huge evictions there is performance drop, this patch fix it. Signed-off-by: Roger.He Reviewed-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 9b2e1f1..5aac350 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -405,10 +405,8 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev, if (unlikely(r != 0)) return r; - bo->tbo.priority = ilog2(bo->tbo.num_pages); if (kernel) - bo->tbo.priority *= 2; - bo->tbo.priority = min(bo->tbo.priority, (unsigned)(TTM_MAX_BO_PRIORITY - 1)); + bo->tbo.priority = 1; if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED && bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) { -- 2.7.4