diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2006-drm-amdgpu-add-VRAM-lost-query.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2006-drm-amdgpu-add-VRAM-lost-query.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2006-drm-amdgpu-add-VRAM-lost-query.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2006-drm-amdgpu-add-VRAM-lost-query.patch new file mode 100644 index 00000000..3872256f --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2006-drm-amdgpu-add-VRAM-lost-query.patch @@ -0,0 +1,33 @@ +From 4c0e41f8384bb9c662a3f5f0498bba9ae8a89252 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Mon, 9 Oct 2017 17:53:06 +0200 +Subject: [PATCH 2006/4131] drm/amdgpu: add VRAM lost query +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Allows userspace to figure out if VRAM was lost. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +index b529d7e..4a35d1b 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +@@ -807,6 +807,9 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file + } + return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; + } ++ case AMDGPU_INFO_VRAM_LOST_COUNTER: ++ ui32 = atomic_read(&adev->vram_lost_counter); ++ return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0; + default: + DRM_DEBUG_KMS("Invalid request %d\n", info->query); + return -EINVAL; +-- +2.7.4 + |