diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1679-drm-amdgpu-remove-per-obj-debugfs-write.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1679-drm-amdgpu-remove-per-obj-debugfs-write.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1679-drm-amdgpu-remove-per-obj-debugfs-write.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1679-drm-amdgpu-remove-per-obj-debugfs-write.patch new file mode 100644 index 00000000..779f666e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/1679-drm-amdgpu-remove-per-obj-debugfs-write.patch @@ -0,0 +1,72 @@ +From 44479e54e286f77d3164815017516f91fdcd07e5 Mon Sep 17 00:00:00 2001 +From: xinhui pan <xinhui.pan@amd.com> +Date: Thu, 21 Mar 2019 15:00:47 +0800 +Subject: [PATCH 1679/2940] drm/amdgpu: remove per obj debugfs write + +there is ras_control node which can do its job. + +Signed-off-by: xinhui pan <xinhui.pan@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 42 +------------------------ + 1 file changed, 1 insertion(+), 41 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +index 1e243e16c560..469cb6477b8e 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +@@ -157,50 +157,10 @@ static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf, + return s; + } + +-static ssize_t amdgpu_ras_debugfs_write(struct file *f, const char __user *buf, +- size_t size, loff_t *pos) +-{ +- struct ras_manager *obj = (struct ras_manager *)file_inode(f)->i_private; +- struct ras_inject_if info = { +- .head = obj->head, +- }; +- ssize_t s = min_t(u64, 64, size); +- char val[64]; +- char *str = val; +- memset(val, 0, sizeof(val)); +- +- if (*pos) +- return -EINVAL; +- +- if (copy_from_user(str, buf, s)) +- return -EINVAL; +- +- /* only care ue/ce for now. */ +- if (memcmp(str, "ue", 2) == 0) { +- info.head.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; +- str += 2; +- } else if (memcmp(str, "ce", 2) == 0) { +- info.head.type = AMDGPU_RAS_ERROR__SINGLE_CORRECTABLE; +- str += 2; +- } +- +- if (sscanf(str, "0x%llx 0x%llx", &info.address, &info.value) != 2) { +- if (sscanf(str, "%llu %llu", &info.address, &info.value) != 2) +- return -EINVAL; +- } +- +- *pos = s; +- +- if (amdgpu_ras_error_inject(obj->adev, &info)) +- return -EINVAL; +- +- return size; +-} +- + static const struct file_operations amdgpu_ras_debugfs_ops = { + .owner = THIS_MODULE, + .read = amdgpu_ras_debugfs_read, +- .write = amdgpu_ras_debugfs_write, ++ .write = NULL, + .llseek = default_llseek + }; + +-- +2.17.1 + |