diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4647-Revert-Revert-drm-amdgpu-Set-GTT-size-to-be-bigger-t.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4647-Revert-Revert-drm-amdgpu-Set-GTT-size-to-be-bigger-t.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4647-Revert-Revert-drm-amdgpu-Set-GTT-size-to-be-bigger-t.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4647-Revert-Revert-drm-amdgpu-Set-GTT-size-to-be-bigger-t.patch new file mode 100644 index 00000000..0a9aa27d --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4647-Revert-Revert-drm-amdgpu-Set-GTT-size-to-be-bigger-t.patch @@ -0,0 +1,39 @@ +From 148f3d0786d30aa36adf097fe450b79446946400 Mon Sep 17 00:00:00 2001 +From: Feifei Xu <Feifei.Xu@amd.com> +Date: Thu, 5 Dec 2019 11:25:42 +0800 +Subject: [PATCH 4647/4736] Revert "Revert "drm/amdgpu: Set GTT size to be + bigger than 3/4 of RAM"" + +This reverts commit 50fab61ae24facd04e5460b1b92745c893a847b5. + +This patch should not be cherry-picked to release branch. +This is for kfd/rocm performance improvement. + +Signed-off-by: Feifei Xu <Feifei.Xu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 9 ++++----- + 1 file changed, 4 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +index 6d295e7ee444..d93bfaca5daf 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +@@ -2156,11 +2156,10 @@ int amdgpu_ttm_init(struct amdgpu_device *adev) + 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 */ +-- +2.17.1 + |