diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_sysfs.c | 89 |
1 files changed, 8 insertions, 81 deletions
diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c index e88bb4f04305..70e0d8615160 100644 --- a/drivers/gpu/drm/i915/i915_sysfs.c +++ b/drivers/gpu/drm/i915/i915_sysfs.c @@ -30,6 +30,8 @@ #include <linux/stat.h> #include <linux/sysfs.h> +#include <drm/drm_print.h> + #include "gt/intel_gt_regs.h" #include "gt/intel_rc6.h" #include "gt/intel_rps.h" @@ -60,7 +62,7 @@ static int l3_access_valid(struct drm_i915_private *i915, loff_t offset) static ssize_t i915_l3_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, + const struct bin_attribute *attr, char *buf, loff_t offset, size_t count) { struct device *kdev = kobj_to_dev(kobj); @@ -88,7 +90,7 @@ i915_l3_read(struct file *filp, struct kobject *kobj, static ssize_t i915_l3_write(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, + const struct bin_attribute *attr, char *buf, loff_t offset, size_t count) { struct device *kdev = kobj_to_dev(kobj); @@ -155,81 +157,6 @@ static const struct bin_attribute dpf_attrs_1 = { .private = (void *)1 }; -#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) - -static ssize_t error_state_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - - struct device *kdev = kobj_to_dev(kobj); - struct drm_i915_private *i915 = kdev_minor_to_i915(kdev); - struct i915_gpu_coredump *gpu; - ssize_t ret = 0; - - /* - * FIXME: Concurrent clients triggering resets and reading + clearing - * dumps can cause inconsistent sysfs reads when a user calls in with a - * non-zero offset to complete a prior partial read but the - * gpu_coredump has been cleared or replaced. - */ - - gpu = i915_first_error_state(i915); - if (IS_ERR(gpu)) { - ret = PTR_ERR(gpu); - } else if (gpu) { - ret = i915_gpu_coredump_copy_to_buffer(gpu, buf, off, count); - i915_gpu_coredump_put(gpu); - } else { - const char *str = "No error state collected\n"; - size_t len = strlen(str); - - if (off < len) { - ret = min_t(size_t, count, len - off); - memcpy(buf, str + off, ret); - } - } - - return ret; -} - -static ssize_t error_state_write(struct file *file, struct kobject *kobj, - struct bin_attribute *attr, char *buf, - loff_t off, size_t count) -{ - struct device *kdev = kobj_to_dev(kobj); - struct drm_i915_private *dev_priv = kdev_minor_to_i915(kdev); - - drm_dbg(&dev_priv->drm, "Resetting error state\n"); - i915_reset_error_state(dev_priv); - - return count; -} - -static const struct bin_attribute error_state_attr = { - .attr.name = "error", - .attr.mode = S_IRUSR | S_IWUSR, - .size = 0, - .read = error_state_read, - .write = error_state_write, -}; - -static void i915_setup_error_capture(struct device *kdev) -{ - if (sysfs_create_bin_file(&kdev->kobj, &error_state_attr)) - drm_err(&kdev_minor_to_i915(kdev)->drm, - "error_state sysfs setup failed\n"); -} - -static void i915_teardown_error_capture(struct device *kdev) -{ - sysfs_remove_bin_file(&kdev->kobj, &error_state_attr); -} -#else -static void i915_setup_error_capture(struct device *kdev) {} -static void i915_teardown_error_capture(struct device *kdev) {} -#endif - void i915_setup_sysfs(struct drm_i915_private *dev_priv) { struct device *kdev = dev_priv->drm.primary->kdev; @@ -255,7 +182,7 @@ void i915_setup_sysfs(struct drm_i915_private *dev_priv) drm_warn(&dev_priv->drm, "failed to register GT sysfs directory\n"); - i915_setup_error_capture(kdev); + i915_gpu_error_sysfs_setup(dev_priv); intel_engines_add_sysfs(dev_priv); } @@ -264,10 +191,10 @@ void i915_teardown_sysfs(struct drm_i915_private *dev_priv) { struct device *kdev = dev_priv->drm.primary->kdev; - i915_teardown_error_capture(kdev); + i915_gpu_error_sysfs_teardown(dev_priv); - device_remove_bin_file(kdev, &dpf_attrs_1); - device_remove_bin_file(kdev, &dpf_attrs); + device_remove_bin_file(kdev, &dpf_attrs_1); + device_remove_bin_file(kdev, &dpf_attrs); kobject_put(dev_priv->sysfs_gt); } |
