From: Christian König <christian.koenig@amd.com>
Date: Tue, 27 Apr 2021 09:17:59 +0000 (+0200)
Subject: drm/amdgpu: set the contiguous flag if possible
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=abf91e0d33166ba1afcf10e239aec966275da3c1;p=linux.git

drm/amdgpu: set the contiguous flag if possible

This avoids reallocating scanout BOs on first pin in a lot of cases.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Tested-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index e2cbe19404c0e..87c40c4cdd50a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -446,10 +446,11 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man,
 	}
 	spin_unlock(&mgr->lock);
 
-	atomic64_add(vis_usage, &mgr->vis_usage);
+	if (i == 1)
+		mem->placement |= TTM_PL_FLAG_CONTIGUOUS;
 
+	atomic64_add(vis_usage, &mgr->vis_usage);
 	mem->mm_node = nodes;
-
 	return 0;
 
 error: