From d391c1f94bf95af266b265a7b0ef5d7c620d0009 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Fri, 15 Dec 2017 12:09:16 -0500 Subject: [PATCH 2969/4131] Revert "drm/amd/amdgpu: set gtt size according to system memory size only" MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This reverts commit ba851eed895c76be0eb4260bdbeb7e26f9ccfaa2. With that change piglit max size tests (running with -t max.*size) are causing OOM and hard hang on my CZ with 1GB RAM. Signed-off-by: Andrey Grodzovsky Acked-by: Alex Deucher Reviewed-by: Christian König Reviewed-by: Roger He --- drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 7e238c1..2b163be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1568,9 +1568,11 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) struct sysinfo si; si_meminfo(&si); - gtt_size = max(AMDGPU_DEFAULT_GTT_SIZE_MB << 20, - (uint64_t)si.totalram * si.mem_unit * 3/4); - } else + gtt_size = min(max((AMDGPU_DEFAULT_GTT_SIZE_MB << 20), + adev->mc.mc_vram_size), + ((uint64_t)si.totalram * si.mem_unit * 3/4)); + } + else gtt_size = (uint64_t)amdgpu_gtt_size << 20; /* reserve for DGMA import domain */ -- 2.7.4