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From 3886950481a50e3e685fbc5d50609936ceed2818 Mon Sep 17 00:00:00 2001
From: Kent Russell <kent.russell@amd.com>
Date: Fri, 23 Feb 2018 11:37:12 -0500
Subject: [PATCH 3704/4131] drm/amdgpu: Set GTT size to be bigger than 3/4 of
RAM
Change-Id: I1299df0889049983ad03bcf35e2bedf7f860dda9
Signed-off-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 6bf6134..401318b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -1659,13 +1659,12 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
if (amdgpu_gtt_size == -1) {
struct sysinfo si;
-
+
si_meminfo(&si);
- gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
- adev->gmc.mc_vram_size),
- ((uint64_t)si.totalram * si.mem_unit * 3/4));
- }
- else
+ gtt_size = max3((AMDGPU_DEFAULT_GTT_SIZE_MB << 20),
+ adev->gmc.mc_vram_size,
+ ((uint64_t)si.totalram * si.mem_unit));
+ } else
gtt_size = (uint64_t)amdgpu_gtt_size << 20;
/* reserve for DGMA import domain */
--
2.7.4
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