diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3454-drm-amd-amdgpu-Update-VM-function-pointer.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3454-drm-amd-amdgpu-Update-VM-function-pointer.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3454-drm-amd-amdgpu-Update-VM-function-pointer.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3454-drm-amd-amdgpu-Update-VM-function-pointer.patch new file mode 100644 index 00000000..99d5e263 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3454-drm-amd-amdgpu-Update-VM-function-pointer.patch @@ -0,0 +1,36 @@ +From 20352d2851d0702e665a42985f9ab52b6c45837e Mon Sep 17 00:00:00 2001 +From: Gang Ba <gaba@amd.com> +Date: Wed, 14 Aug 2019 11:00:19 -0400 +Subject: [PATCH 3454/4256] drm/amd/amdgpu: Update VM function pointer + +When VM state changed and system in large bar mode, +make sure to use CPU update function, otherwise use +SDMA function. + +Change-Id: Ibcfada560a00c9aeebfd922ae48de920e44a5866 +Signed-off-by: Gang Ba <gaba@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index 3ed870f294f5..c55e7aba2f99 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -2815,6 +2815,13 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) + WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), + "CPU update of VM recommended only for large BAR system\n"); + ++ if (vm->use_cpu_for_update) ++ vm->update_funcs = &amdgpu_vm_cpu_funcs; ++ else ++ vm->update_funcs = &amdgpu_vm_sdma_funcs; ++ dma_fence_put(vm->last_update); ++ vm->last_update = NULL; ++ + if (vm->pasid) { + unsigned long flags; + +-- +2.17.1 + |