diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3816-drm-amdgpu-drop-double-HDP-flush-in-the-VM-code.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3816-drm-amdgpu-drop-double-HDP-flush-in-the-VM-code.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3816-drm-amdgpu-drop-double-HDP-flush-in-the-VM-code.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3816-drm-amdgpu-drop-double-HDP-flush-in-the-VM-code.patch new file mode 100644 index 00000000..1f9053ac --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3816-drm-amdgpu-drop-double-HDP-flush-in-the-VM-code.patch @@ -0,0 +1,36 @@ +From 86618a1575348c674992b1180960e4316988c3bd Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Wed, 3 Apr 2019 14:11:53 +0200 +Subject: [PATCH 3816/4256] drm/amdgpu: drop double HDP flush in the VM code +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Already done in the CPU based backend code. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 ------ + 1 file changed, 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index 6cda76591973..db1fe417fc95 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -1746,12 +1746,6 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, + return r; + } + +- if (vm->use_cpu_for_update) { +- /* Flush HDP */ +- mb(); +- amdgpu_asic_flush_hdp(adev, NULL); +- } +- + /* If the BO is not in its preferred location add it back to + * the evicted list so that it gets validated again on the + * next command submission. +-- +2.17.1 + |