diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1716-drm-amdgpu-handle-leaf-PDEs-as-PTEs-on-Vega.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/1716-drm-amdgpu-handle-leaf-PDEs-as-PTEs-on-Vega.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1716-drm-amdgpu-handle-leaf-PDEs-as-PTEs-on-Vega.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1716-drm-amdgpu-handle-leaf-PDEs-as-PTEs-on-Vega.patch new file mode 100644 index 00000000..9ae44045 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1716-drm-amdgpu-handle-leaf-PDEs-as-PTEs-on-Vega.patch @@ -0,0 +1,53 @@ +From 177fe475324cfde517f5ceb883da7b879fbe817b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Thu, 28 Mar 2019 13:51:23 +0100 +Subject: [PATCH 1716/2940] drm/amdgpu: handle leaf PDEs as PTEs on Vega +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This way we get retry faults for missing PDs. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> +Signed-off-by: Chaudhary Amit Kumar <Chaudharyamit.Kumar@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 20 ++++++++++++++------ + 1 file changed, 14 insertions(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index c50ecc5175c3..a68d17cbf714 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -762,14 +762,22 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, + } + + if (entries) { +- uint64_t value = 0; ++ uint64_t value = 0, flags = 0; ++ ++ if (adev->asic_type >= CHIP_VEGA10) { ++ if (level != AMDGPU_VM_PTB) { ++ /* Handle leaf PDEs as PTEs */ ++ flags |= AMDGPU_PDE_PTE; ++ amdgpu_gmc_get_vm_pde(adev, level, ++ &value, &flags); ++ } else { ++ /* Workaround for fault priority problem on GMC9 */ ++ flags = AMDGPU_PTE_EXECUTABLE; ++ } ++ } + +- /* Workaround for fault priority problem on GMC9 */ +- if (level == AMDGPU_VM_PTB && +- adev->asic_type >= CHIP_VEGA10) +- value = AMDGPU_PTE_EXECUTABLE; + r = vm->update_funcs->update(¶ms, bo, addr, 0, entries, +- 0, value); ++ value, flags); + if (r) + return r; + } +-- +2.17.1 + |