From 85d2a6d3f5169ac71bbb3734ea327f426e6a2435 Mon Sep 17 00:00:00 2001 From: xinhui pan Date: Fri, 14 Jun 2019 16:06:10 +0800 Subject: [PATCH 2116/2940] drm/amdgpu: Do error injection even vram reserve fails As long as the address is mapped with vram, we can do an error injection. Signed-off-by: xinhui pan Acked-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 7efc4e07665d..614116c7036a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -333,12 +333,13 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user * case 2: ret = amdgpu_ras_reserve_vram(adev, data.inject.address, PAGE_SIZE, &bo); - /* This address might be used already on failure. In fact we can - * perform an injection in such case. - */ - if (ret) - break; - data.inject.address = amdgpu_bo_gpu_offset(bo); + if (ret) { + /* address was offset, now it is absolute.*/ + data.inject.address += adev->gmc.vram_start; + if (data.inject.address > adev->gmc.vram_end) + break; + } else + data.inject.address = amdgpu_bo_gpu_offset(bo); ret = amdgpu_ras_error_inject(adev, &data.inject); amdgpu_ras_release_vram(adev, &bo); break; -- 2.17.1