diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3041-drm-amdkfd-Do-not-change-amdgpu_vm_size-on-Raven-in-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3041-drm-amdkfd-Do-not-change-amdgpu_vm_size-on-Raven-in-.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3041-drm-amdkfd-Do-not-change-amdgpu_vm_size-on-Raven-in-.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3041-drm-amdkfd-Do-not-change-amdgpu_vm_size-on-Raven-in-.patch new file mode 100644 index 00000000..2cc59689 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3041-drm-amdkfd-Do-not-change-amdgpu_vm_size-on-Raven-in-.patch @@ -0,0 +1,46 @@ +From 42b2b4a92f95cccefad87f92e1f68be06c1206aa Mon Sep 17 00:00:00 2001 +From: Yong Zhao <yong.zhao@amd.com> +Date: Thu, 14 Dec 2017 14:04:01 -0500 +Subject: [PATCH 3041/4131] drm/amdkfd: Do not change amdgpu_vm_size on Raven + in KFD plugin code + +After the logic in amdgpu_vm_adjust_size() changed in amdgpu side, on +Raven there will be only 64G vm size, which will be a problem for ATC +memory access. So we should keep amdgpu_vm_size to be -1 in +amdgpu_check_vm_size() so that later on the vm size for Raven will be +still 256TB in amdgpu_vm_adjust_size(). + +Change-Id: I830dded4acdeee16e9f9b4b2d8d9985f239735ce +Signed-off-by: Yong Zhao <yong.zhao@amd.com> + +Conflicts: + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +index 366b45b..f4e0868 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +@@ -767,7 +767,7 @@ static void amdgpu_device_check_vm_size(struct amdgpu_device *adev) + if (amdgpu_vm_size == -1) + return; + +- if (amdgpu_vm_size < 1) { ++ if (amdgpu_vm_size != -1 && amdgpu_vm_size < 1) { + dev_warn(adev->dev, "VM size (%d) too small, min is 1GB\n", + amdgpu_vm_size); + amdgpu_vm_size = -1; +@@ -814,7 +814,7 @@ static void amdgpu_device_check_arguments(struct amdgpu_device *adev) + /* Compute the GPU VM space only if the user + * hasn't changed it from the default. + */ +- if (amdgpu_vm_size == -1) { ++ if (amdgpu_vm_size == -1 && adev->asic_type != CHIP_RAVEN) { + /* Computation depends on the amount of physical RAM available. + * Cannot exceed 1TB. + */ +-- +2.7.4 + |