From a7618736085d9b701892e649c368f61cb3e76a9f Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Tue, 4 Jul 2017 16:40:58 +0800 Subject: [PATCH 1869/4131] drm/amdgpu:halt when vm fault MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit only with this way we can debug the VMC page fault issue Change-Id: Ifc8373c3c3c40d54ae94dedf1be74d6314faeb10 Signed-off-by: Monk Liu Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 6 ++++++ drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c index 6c8040e..c17996e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c @@ -319,6 +319,12 @@ void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + if (!value) { + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_NO_RETRY_FAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_RETRY_FAULT, 1); + } WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp); } diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c index 7ff7076..cc21c4b 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c @@ -561,6 +561,13 @@ void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + if (!value) { + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_NO_RETRY_FAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_RETRY_FAULT, 1); + } + WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp); } -- 2.7.4