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From 0d50c7e02187b0ec540001c49fca611b8296ddb7 Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Tue, 16 Jan 2018 10:06:36 -0500
Subject: [PATCH 3210/4131] drm/amdgpu: Use new TTM flag to avoid OOM
triggering.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Avoid OOM on syatem pages allocations.
v2:
Remove modeprobe parameter, make this behaviour the only option.
v3:
Move setting no_retry flag into amdgpu_ttm_init.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 9f7e6c5..5aafa1b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1624,6 +1624,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
return r;
}
adev->mman.initialized = true;
+
+ /* We opt to avoid OOM on system pages allocations */
+ adev->mman.bdev.no_retry = true;
+
r = ttm_bo_init_mm(&adev->mman.bdev, TTM_PL_VRAM,
adev->gmc.real_vram_size >> PAGE_SHIFT);
if (r) {
--
2.7.4
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