From 177fe475324cfde517f5ceb883da7b879fbe817b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= 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 Reviewed-by: Felix Kuehling Signed-off-by: Chaudhary Amit Kumar --- 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