diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 223 |
1 files changed, 84 insertions, 139 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 45773ce1deac..42f6b44f0027 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -26,11 +26,13 @@ * */ +#include <linux/debugfs.h> #include <linux/sched/mm.h> #include <linux/sort.h> #include <linux/string_helpers.h> #include <drm/drm_debugfs.h> +#include <drm/drm_print.h> #include "gem/i915_gem_context.h" #include "gt/intel_gt.h" @@ -49,10 +51,12 @@ #include "i915_debugfs.h" #include "i915_debugfs_params.h" #include "i915_driver.h" +#include "i915_gpu_error.h" #include "i915_irq.h" +#include "i915_reg.h" #include "i915_scheduler.h" +#include "i915_wait_util.h" #include "intel_mchbar_regs.h" -#include "intel_pm.h" static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node) { @@ -64,16 +68,12 @@ static int i915_capabilities(struct seq_file *m, void *data) struct drm_i915_private *i915 = node_to_i915(m->private); struct drm_printer p = drm_seq_file_printer(m); - seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(i915)); - intel_device_info_print(INTEL_INFO(i915), RUNTIME_INFO(i915), &p); i915_print_iommu_status(i915, &p); intel_gt_info_print(&to_gt(i915)->info, &p); intel_driver_caps_print(&i915->caps, &p); - kernel_param_lock(THIS_MODULE); i915_params_dump(&i915->params, &p); - kernel_param_unlock(THIS_MODULE); return 0; } @@ -139,21 +139,42 @@ static const char *stringify_vma_type(const struct i915_vma *vma) return "ppgtt"; } -static const char *i915_cache_level_str(struct drm_i915_private *i915, int type) +static const char *i915_cache_level_str(struct drm_i915_gem_object *obj) { - switch (type) { - case I915_CACHE_NONE: return " uncached"; - case I915_CACHE_LLC: return HAS_LLC(i915) ? " LLC" : " snooped"; - case I915_CACHE_L3_LLC: return " L3+LLC"; - case I915_CACHE_WT: return " WT"; - default: return ""; + struct drm_i915_private *i915 = obj_to_i915(obj); + + if (IS_GFX_GT_IP_RANGE(to_gt(i915), IP_VER(12, 70), IP_VER(12, 74))) { + switch (obj->pat_index) { + case 0: return " WB"; + case 1: return " WT"; + case 2: return " UC"; + case 3: return " WB (1-Way Coh)"; + case 4: return " WB (2-Way Coh)"; + default: return " not defined"; + } + } else if (GRAPHICS_VER(i915) >= 12) { + switch (obj->pat_index) { + case 0: return " WB"; + case 1: return " WC"; + case 2: return " WT"; + case 3: return " UC"; + default: return " not defined"; + } + } else { + switch (obj->pat_index) { + case 0: return " UC"; + case 1: return HAS_LLC(i915) ? + " LLC" : " snooped"; + case 2: return " L3+LLC"; + case 3: return " WT"; + default: return " not defined"; + } } } void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { - struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct i915_vma *vma; int pin_count = 0; @@ -165,7 +186,7 @@ i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) obj->base.size / 1024, obj->read_domains, obj->write_domain, - i915_cache_level_str(dev_priv, obj->cache_level), + i915_cache_level_str(obj), obj->mm.dirty ? " dirty" : "", obj->mm.madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) @@ -263,107 +284,6 @@ static int i915_gem_object_info(struct seq_file *m, void *data) return 0; } -#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) -static ssize_t gpu_state_read(struct file *file, char __user *ubuf, - size_t count, loff_t *pos) -{ - struct i915_gpu_coredump *error; - ssize_t ret; - void *buf; - - error = file->private_data; - if (!error) - return 0; - - /* Bounce buffer required because of kernfs __user API convenience. */ - buf = kmalloc(count, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - ret = i915_gpu_coredump_copy_to_buffer(error, buf, *pos, count); - if (ret <= 0) - goto out; - - if (!copy_to_user(ubuf, buf, ret)) - *pos += ret; - else - ret = -EFAULT; - -out: - kfree(buf); - return ret; -} - -static int gpu_state_release(struct inode *inode, struct file *file) -{ - i915_gpu_coredump_put(file->private_data); - return 0; -} - -static int i915_gpu_info_open(struct inode *inode, struct file *file) -{ - struct drm_i915_private *i915 = inode->i_private; - struct i915_gpu_coredump *gpu; - intel_wakeref_t wakeref; - - gpu = NULL; - with_intel_runtime_pm(&i915->runtime_pm, wakeref) - gpu = i915_gpu_coredump(to_gt(i915), ALL_ENGINES, CORE_DUMP_FLAG_NONE); - - if (IS_ERR(gpu)) - return PTR_ERR(gpu); - - file->private_data = gpu; - return 0; -} - -static const struct file_operations i915_gpu_info_fops = { - .owner = THIS_MODULE, - .open = i915_gpu_info_open, - .read = gpu_state_read, - .llseek = default_llseek, - .release = gpu_state_release, -}; - -static ssize_t -i915_error_state_write(struct file *filp, - const char __user *ubuf, - size_t cnt, - loff_t *ppos) -{ - struct i915_gpu_coredump *error = filp->private_data; - - if (!error) - return 0; - - drm_dbg(&error->i915->drm, "Resetting error state\n"); - i915_reset_error_state(error->i915); - - return cnt; -} - -static int i915_error_state_open(struct inode *inode, struct file *file) -{ - struct i915_gpu_coredump *error; - - error = i915_first_error_state(inode->i_private); - if (IS_ERR(error)) - return PTR_ERR(error); - - file->private_data = error; - return 0; -} - -static const struct file_operations i915_error_state_fops = { - .owner = THIS_MODULE, - .open = i915_error_state_open, - .read = gpu_state_read, - .write = i915_error_state_write, - .llseek = default_llseek, - .release = gpu_state_release, -}; -#endif - static int i915_frequency_info(struct seq_file *m, void *unused) { struct drm_i915_private *i915 = node_to_i915(m->private); @@ -491,9 +411,6 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused) if (!HAS_RUNTIME_PM(dev_priv)) seq_puts(m, "Runtime power management not supported\n"); - seq_printf(m, "Runtime power status: %s\n", - str_enabled_disabled(!dev_priv->display.power.domains.init_wakeref)); - seq_printf(m, "GPU idle: %s\n", str_yes_no(!to_gt(dev_priv)->awake)); seq_printf(m, "IRQs disabled: %s\n", str_yes_no(!intel_irqs_enabled(dev_priv))); @@ -575,14 +492,34 @@ static int i915_wa_registers(struct seq_file *m, void *unused) static int i915_wedged_get(void *data, u64 *val) { struct drm_i915_private *i915 = data; + struct intel_gt *gt; + unsigned int i; - return intel_gt_debugfs_reset_show(to_gt(i915), val); + *val = 0; + + for_each_gt(gt, i915, i) { + int ret; + + ret = intel_gt_debugfs_reset_show(gt, val); + if (ret) + return ret; + + /* at least one tile should be wedged */ + if (*val) + break; + } + + return 0; } static int i915_wedged_set(void *data, u64 val) { struct drm_i915_private *i915 = data; - intel_gt_debugfs_reset_store(to_gt(i915), val); + struct intel_gt *gt; + unsigned int i; + + for_each_gt(gt, i915, i) + intel_gt_debugfs_reset_store(gt, val); return 0; } @@ -686,15 +623,19 @@ static int i915_drop_caches_set(void *data, u64 val) { struct drm_i915_private *i915 = data; + struct intel_gt *gt; unsigned int flags; + unsigned int i; int ret; drm_dbg(&i915->drm, "Dropping caches: 0x%08llx [0x%08llx]\n", val, val & DROP_ALL); - ret = gt_drop_caches(to_gt(i915), val); - if (ret) - return ret; + for_each_gt(gt, i915, i) { + ret = gt_drop_caches(gt, val); + if (ret) + return ret; + } fs_reclaim_acquire(GFP_KERNEL); flags = memalloc_noreclaim_save(); @@ -733,7 +674,11 @@ static int i915_sseu_status(struct seq_file *m, void *unused) static int i915_forcewake_open(struct inode *inode, struct file *file) { struct drm_i915_private *i915 = inode->i_private; - intel_gt_pm_debugfs_forcewake_user_open(to_gt(i915)); + struct intel_gt *gt; + unsigned int i; + + for_each_gt(gt, i915, i) + intel_gt_pm_debugfs_forcewake_user_open(gt); return 0; } @@ -741,7 +686,11 @@ static int i915_forcewake_open(struct inode *inode, struct file *file) static int i915_forcewake_release(struct inode *inode, struct file *file) { struct drm_i915_private *i915 = inode->i_private; - intel_gt_pm_debugfs_forcewake_user_release(to_gt(i915)); + struct intel_gt *gt; + unsigned int i; + + for_each_gt(gt, i915, i) + intel_gt_pm_debugfs_forcewake_user_release(gt); return 0; } @@ -771,30 +720,26 @@ static const struct i915_debugfs_files { {"i915_perf_noa_delay", &i915_perf_noa_delay_fops}, {"i915_wedged", &i915_wedged_fops}, {"i915_gem_drop_caches", &i915_drop_caches_fops}, -#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) - {"i915_error_state", &i915_error_state_fops}, - {"i915_gpu_info", &i915_gpu_info_fops}, -#endif }; -void i915_debugfs_register(struct drm_i915_private *dev_priv) +void i915_debugfs_register(struct drm_i915_private *i915) { - struct drm_minor *minor = dev_priv->drm.primary; + struct dentry *debugfs_root = i915->drm.debugfs_root; int i; - i915_debugfs_params(dev_priv); + i915_debugfs_params(i915); - debugfs_create_file("i915_forcewake_user", S_IRUSR, minor->debugfs_root, - to_i915(minor->dev), &i915_forcewake_fops); + debugfs_create_file("i915_forcewake_user", S_IRUSR, debugfs_root, + i915, &i915_forcewake_fops); for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { - debugfs_create_file(i915_debugfs_files[i].name, - S_IRUGO | S_IWUSR, - minor->debugfs_root, - to_i915(minor->dev), + debugfs_create_file(i915_debugfs_files[i].name, S_IRUGO | S_IWUSR, + debugfs_root, i915, i915_debugfs_files[i].fops); } drm_debugfs_create_files(i915_debugfs_list, ARRAY_SIZE(i915_debugfs_list), - minor->debugfs_root, minor); + debugfs_root, i915->drm.primary); + + i915_gpu_error_debugfs_register(i915); } |