diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 5077 |
1 files changed, 383 insertions, 4694 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 00d8967c8512..42f6b44f0027 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -27,63 +27,57 @@ */ #include <linux/debugfs.h> +#include <linux/sched/mm.h> #include <linux/sort.h> -#include "intel_drv.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" +#include "gt/intel_gt_buffer_pool.h" +#include "gt/intel_gt_clock_utils.h" +#include "gt/intel_gt_debugfs.h" +#include "gt/intel_gt_pm.h" +#include "gt/intel_gt_pm_debugfs.h" +#include "gt/intel_gt_regs.h" +#include "gt/intel_gt_requests.h" +#include "gt/intel_rc6.h" +#include "gt/intel_reset.h" +#include "gt/intel_rps.h" +#include "gt/intel_sseu_debugfs.h" + +#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" static inline struct drm_i915_private *node_to_i915(struct drm_info_node *node) { return to_i915(node->minor->dev); } -static __always_inline void seq_print_param(struct seq_file *m, - const char *name, - const char *type, - const void *x) -{ - if (!__builtin_strcmp(type, "bool")) - seq_printf(m, "i915.%s=%s\n", name, yesno(*(const bool *)x)); - else if (!__builtin_strcmp(type, "int")) - seq_printf(m, "i915.%s=%d\n", name, *(const int *)x); - else if (!__builtin_strcmp(type, "unsigned int")) - seq_printf(m, "i915.%s=%u\n", name, *(const unsigned int *)x); - else if (!__builtin_strcmp(type, "char *")) - seq_printf(m, "i915.%s=%s\n", name, *(const char **)x); - else - BUILD_BUG(); -} - static int i915_capabilities(struct seq_file *m, void *data) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_device_info *info = INTEL_INFO(dev_priv); - - seq_printf(m, "gen: %d\n", INTEL_GEN(dev_priv)); - seq_printf(m, "platform: %s\n", intel_platform_name(info->platform)); - seq_printf(m, "pch: %d\n", INTEL_PCH_TYPE(dev_priv)); + struct drm_i915_private *i915 = node_to_i915(m->private); + struct drm_printer p = drm_seq_file_printer(m); -#define PRINT_FLAG(x) seq_printf(m, #x ": %s\n", yesno(info->x)) - DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG); -#undef PRINT_FLAG + 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); -#define PRINT_PARAM(T, x) seq_print_param(m, #x, #T, &i915.x); - I915_PARAMS_FOR_EACH(PRINT_PARAM); -#undef PRINT_PARAM - kernel_param_unlock(THIS_MODULE); + i915_params_dump(&i915->params, &p); return 0; } -static char get_active_flag(struct drm_i915_gem_object *obj) -{ - return i915_gem_object_is_active(obj) ? '*' : ' '; -} - -static char get_pin_flag(struct drm_i915_gem_object *obj) -{ - return obj->pin_display ? 'p' : ' '; -} - static char get_tiling_flag(struct drm_i915_gem_object *obj) { switch (i915_gem_object_get_tiling(obj)) { @@ -96,7 +90,7 @@ static char get_tiling_flag(struct drm_i915_gem_object *obj) static char get_global_flag(struct drm_i915_gem_object *obj) { - return !list_empty(&obj->userfault_link) ? 'g' : ' '; + return READ_ONCE(obj->userfault_count) ? 'g' : ' '; } static char get_pin_mapped_flag(struct drm_i915_gem_object *obj) @@ -104,1983 +98,199 @@ static char get_pin_mapped_flag(struct drm_i915_gem_object *obj) return obj->mm.mapping ? 'M' : ' '; } -static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj) +static const char * +stringify_page_sizes(unsigned int page_sizes, char *buf, size_t len) { - u64 size = 0; - struct i915_vma *vma; + size_t x = 0; - list_for_each_entry(vma, &obj->vma_list, obj_link) { - if (i915_vma_is_ggtt(vma) && drm_mm_node_allocated(&vma->node)) - size += vma->node.size; + switch (page_sizes) { + case 0: + return ""; + case I915_GTT_PAGE_SIZE_4K: + return "4K"; + case I915_GTT_PAGE_SIZE_64K: + return "64K"; + case I915_GTT_PAGE_SIZE_2M: + return "2M"; + default: + if (!buf) + return "M"; + + if (page_sizes & I915_GTT_PAGE_SIZE_2M) + x += snprintf(buf + x, len - x, "2M, "); + if (page_sizes & I915_GTT_PAGE_SIZE_64K) + x += snprintf(buf + x, len - x, "64K, "); + if (page_sizes & I915_GTT_PAGE_SIZE_4K) + x += snprintf(buf + x, len - x, "4K, "); + buf[x-2] = '\0'; + + return buf; } +} + +static const char *stringify_vma_type(const struct i915_vma *vma) +{ + if (i915_vma_is_ggtt(vma)) + return "ggtt"; - return size; + if (i915_vma_is_dpt(vma)) + return "dpt"; + + return "ppgtt"; } -static void -describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) +static const char *i915_cache_level_str(struct drm_i915_gem_object *obj) +{ + 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 intel_engine_cs *engine; struct i915_vma *vma; - unsigned int frontbuffer_bits; int pin_count = 0; - lockdep_assert_held(&obj->base.dev->struct_mutex); - - seq_printf(m, "%pK: %c%c%c%c%c %8zdKiB %02x %02x %s%s%s", + seq_printf(m, "%pK: %c%c%c %8zdKiB %02x %02x %s%s%s", &obj->base, - get_active_flag(obj), - get_pin_flag(obj), get_tiling_flag(obj), get_global_flag(obj), get_pin_mapped_flag(obj), obj->base.size / 1024, - obj->base.read_domains, - obj->base.write_domain, - i915_cache_level_str(dev_priv, obj->cache_level), + obj->read_domains, + obj->write_domain, + i915_cache_level_str(obj), obj->mm.dirty ? " dirty" : "", obj->mm.madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) seq_printf(m, " (name: %d)", obj->base.name); - list_for_each_entry(vma, &obj->vma_list, obj_link) { - if (i915_vma_is_pinned(vma)) - pin_count++; - } - seq_printf(m, " (pinned x %d)", pin_count); - if (obj->pin_display) - seq_printf(m, " (display)"); - list_for_each_entry(vma, &obj->vma_list, obj_link) { + + spin_lock(&obj->vma.lock); + list_for_each_entry(vma, &obj->vma.list, obj_link) { if (!drm_mm_node_allocated(&vma->node)) continue; - seq_printf(m, " (%sgtt offset: %08llx, size: %08llx", - i915_vma_is_ggtt(vma) ? "g" : "pp", - vma->node.start, vma->node.size); - if (i915_vma_is_ggtt(vma)) { - switch (vma->ggtt_view.type) { - case I915_GGTT_VIEW_NORMAL: + spin_unlock(&obj->vma.lock); + + if (i915_vma_is_pinned(vma)) + pin_count++; + + seq_printf(m, " (%s offset: %08llx, size: %08llx, pages: %s", + stringify_vma_type(vma), + i915_vma_offset(vma), i915_vma_size(vma), + stringify_page_sizes(vma->resource->page_sizes_gtt, + NULL, 0)); + if (i915_vma_is_ggtt(vma) || i915_vma_is_dpt(vma)) { + switch (vma->gtt_view.type) { + case I915_GTT_VIEW_NORMAL: seq_puts(m, ", normal"); break; - case I915_GGTT_VIEW_PARTIAL: + case I915_GTT_VIEW_PARTIAL: seq_printf(m, ", partial [%08llx+%x]", - vma->ggtt_view.partial.offset << PAGE_SHIFT, - vma->ggtt_view.partial.size << PAGE_SHIFT); + vma->gtt_view.partial.offset << PAGE_SHIFT, + vma->gtt_view.partial.size << PAGE_SHIFT); break; - case I915_GGTT_VIEW_ROTATED: - seq_printf(m, ", rotated [(%ux%u, stride=%u, offset=%u), (%ux%u, stride=%u, offset=%u)]", - vma->ggtt_view.rotated.plane[0].width, - vma->ggtt_view.rotated.plane[0].height, - vma->ggtt_view.rotated.plane[0].stride, - vma->ggtt_view.rotated.plane[0].offset, - vma->ggtt_view.rotated.plane[1].width, - vma->ggtt_view.rotated.plane[1].height, - vma->ggtt_view.rotated.plane[1].stride, - vma->ggtt_view.rotated.plane[1].offset); + case I915_GTT_VIEW_ROTATED: + seq_printf(m, ", rotated [(%ux%u, src_stride=%u, dst_stride=%u, offset=%u), (%ux%u, src_stride=%u, dst_stride=%u, offset=%u)]", + vma->gtt_view.rotated.plane[0].width, + vma->gtt_view.rotated.plane[0].height, + vma->gtt_view.rotated.plane[0].src_stride, + vma->gtt_view.rotated.plane[0].dst_stride, + vma->gtt_view.rotated.plane[0].offset, + vma->gtt_view.rotated.plane[1].width, + vma->gtt_view.rotated.plane[1].height, + vma->gtt_view.rotated.plane[1].src_stride, + vma->gtt_view.rotated.plane[1].dst_stride, + vma->gtt_view.rotated.plane[1].offset); + break; + + case I915_GTT_VIEW_REMAPPED: + seq_printf(m, ", remapped [(%ux%u, src_stride=%u, dst_stride=%u, offset=%u), (%ux%u, src_stride=%u, dst_stride=%u, offset=%u)]", + vma->gtt_view.remapped.plane[0].width, + vma->gtt_view.remapped.plane[0].height, + vma->gtt_view.remapped.plane[0].src_stride, + vma->gtt_view.remapped.plane[0].dst_stride, + vma->gtt_view.remapped.plane[0].offset, + vma->gtt_view.remapped.plane[1].width, + vma->gtt_view.remapped.plane[1].height, + vma->gtt_view.remapped.plane[1].src_stride, + vma->gtt_view.remapped.plane[1].dst_stride, + vma->gtt_view.remapped.plane[1].offset); break; default: - MISSING_CASE(vma->ggtt_view.type); + MISSING_CASE(vma->gtt_view.type); break; } } if (vma->fence) - seq_printf(m, " , fence: %d%s", - vma->fence->id, - i915_gem_active_isset(&vma->last_fence) ? "*" : ""); + seq_printf(m, " , fence: %d", vma->fence->id); seq_puts(m, ")"); - } - if (obj->stolen) - seq_printf(m, " (stolen: %08llx)", obj->stolen->start); - - engine = i915_gem_object_last_write_engine(obj); - if (engine) - seq_printf(m, " (%s)", engine->name); - - frontbuffer_bits = atomic_read(&obj->frontbuffer_bits); - if (frontbuffer_bits) - seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits); -} - -static int obj_rank_by_stolen(const void *A, const void *B) -{ - const struct drm_i915_gem_object *a = - *(const struct drm_i915_gem_object **)A; - const struct drm_i915_gem_object *b = - *(const struct drm_i915_gem_object **)B; - - if (a->stolen->start < b->stolen->start) - return -1; - if (a->stolen->start > b->stolen->start) - return 1; - return 0; -} - -static int i915_gem_stolen_list_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_i915_gem_object **objects; - struct drm_i915_gem_object *obj; - u64 total_obj_size, total_gtt_size; - unsigned long total, count, n; - int ret; - - total = READ_ONCE(dev_priv->mm.object_count); - objects = kvmalloc_array(total, sizeof(*objects), GFP_KERNEL); - if (!objects) - return -ENOMEM; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - goto out; - - total_obj_size = total_gtt_size = count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - if (count == total) - break; - - if (obj->stolen == NULL) - continue; - - objects[count++] = obj; - total_obj_size += obj->base.size; - total_gtt_size += i915_gem_obj_total_ggtt_size(obj); - - } - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { - if (count == total) - break; - - if (obj->stolen == NULL) - continue; - - objects[count++] = obj; - total_obj_size += obj->base.size; - } - - sort(objects, count, sizeof(*objects), obj_rank_by_stolen, NULL); - - seq_puts(m, "Stolen:\n"); - for (n = 0; n < count; n++) { - seq_puts(m, " "); - describe_obj(m, objects[n]); - seq_putc(m, '\n'); - } - seq_printf(m, "Total %lu objects, %llu bytes, %llu GTT size\n", - count, total_obj_size, total_gtt_size); - - mutex_unlock(&dev->struct_mutex); -out: - kvfree(objects); - return ret; -} - -struct file_stats { - struct drm_i915_file_private *file_priv; - unsigned long count; - u64 total, unbound; - u64 global, shared; - u64 active, inactive; -}; - -static int per_file_stats(int id, void *ptr, void *data) -{ - struct drm_i915_gem_object *obj = ptr; - struct file_stats *stats = data; - struct i915_vma *vma; - - lockdep_assert_held(&obj->base.dev->struct_mutex); - - stats->count++; - stats->total += obj->base.size; - if (!obj->bind_count) - stats->unbound += obj->base.size; - if (obj->base.name || obj->base.dma_buf) - stats->shared += obj->base.size; - - list_for_each_entry(vma, &obj->vma_list, obj_link) { - if (!drm_mm_node_allocated(&vma->node)) - continue; - - if (i915_vma_is_ggtt(vma)) { - stats->global += vma->node.size; - } else { - struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm); - - if (ppgtt->base.file != stats->file_priv) - continue; - } - - if (i915_vma_is_active(vma)) - stats->active += vma->node.size; - else - stats->inactive += vma->node.size; - } - - return 0; -} - -#define print_file_stats(m, name, stats) do { \ - if (stats.count) \ - seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu global, %llu shared, %llu unbound)\n", \ - name, \ - stats.count, \ - stats.total, \ - stats.active, \ - stats.inactive, \ - stats.global, \ - stats.shared, \ - stats.unbound); \ -} while (0) - -static void print_batch_pool_stats(struct seq_file *m, - struct drm_i915_private *dev_priv) -{ - struct drm_i915_gem_object *obj; - struct file_stats stats; - struct intel_engine_cs *engine; - enum intel_engine_id id; - int j; - - memset(&stats, 0, sizeof(stats)); - for_each_engine(engine, dev_priv, id) { - for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { - list_for_each_entry(obj, - &engine->batch_pool.cache_list[j], - batch_pool_link) - per_file_stats(0, obj, &stats); - } + spin_lock(&obj->vma.lock); } + spin_unlock(&obj->vma.lock); - print_file_stats(m, "[k]batch pool", stats); -} - -static int per_file_ctx_stats(int id, void *ptr, void *data) -{ - struct i915_gem_context *ctx = ptr; - int n; - - for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) { - if (ctx->engine[n].state) - per_file_stats(0, ctx->engine[n].state->obj, data); - if (ctx->engine[n].ring) - per_file_stats(0, ctx->engine[n].ring->vma->obj, data); - } - - return 0; -} - -static void print_context_stats(struct seq_file *m, - struct drm_i915_private *dev_priv) -{ - struct drm_device *dev = &dev_priv->drm; - struct file_stats stats; - struct drm_file *file; - - memset(&stats, 0, sizeof(stats)); - - mutex_lock(&dev->struct_mutex); - if (dev_priv->kernel_context) - per_file_ctx_stats(0, dev_priv->kernel_context, &stats); - - list_for_each_entry(file, &dev->filelist, lhead) { - struct drm_i915_file_private *fpriv = file->driver_priv; - idr_for_each(&fpriv->context_idr, per_file_ctx_stats, &stats); - } - mutex_unlock(&dev->struct_mutex); - - print_file_stats(m, "[k]contexts", stats); + seq_printf(m, " (pinned x %d)", pin_count); + if (i915_gem_object_is_stolen(obj)) + seq_printf(m, " (stolen: %08llx)", obj->stolen->start); + if (i915_gem_object_is_framebuffer(obj)) + seq_printf(m, " (fb)"); } static int i915_gem_object_info(struct seq_file *m, void *data) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct i915_ggtt *ggtt = &dev_priv->ggtt; - u32 count, mapped_count, purgeable_count, dpy_count; - u64 size, mapped_size, purgeable_size, dpy_size; - struct drm_i915_gem_object *obj; - struct drm_file *file; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - seq_printf(m, "%u objects, %llu bytes\n", - dev_priv->mm.object_count, - dev_priv->mm.object_memory); - - size = count = 0; - mapped_size = mapped_count = 0; - purgeable_size = purgeable_count = 0; - list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_link) { - size += obj->base.size; - ++count; - - if (obj->mm.madv == I915_MADV_DONTNEED) { - purgeable_size += obj->base.size; - ++purgeable_count; - } - - if (obj->mm.mapping) { - mapped_count++; - mapped_size += obj->base.size; - } - } - seq_printf(m, "%u unbound objects, %llu bytes\n", count, size); - - size = count = dpy_size = dpy_count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - size += obj->base.size; - ++count; - - if (obj->pin_display) { - dpy_size += obj->base.size; - ++dpy_count; - } - - if (obj->mm.madv == I915_MADV_DONTNEED) { - purgeable_size += obj->base.size; - ++purgeable_count; - } - - if (obj->mm.mapping) { - mapped_count++; - mapped_size += obj->base.size; - } - } - seq_printf(m, "%u bound objects, %llu bytes\n", - count, size); - seq_printf(m, "%u purgeable objects, %llu bytes\n", - purgeable_count, purgeable_size); - seq_printf(m, "%u mapped objects, %llu bytes\n", - mapped_count, mapped_size); - seq_printf(m, "%u display objects (pinned), %llu bytes\n", - dpy_count, dpy_size); - - seq_printf(m, "%llu [%llu] gtt total\n", - ggtt->base.total, ggtt->mappable_end); - - seq_putc(m, '\n'); - print_batch_pool_stats(m, dev_priv); - mutex_unlock(&dev->struct_mutex); - - mutex_lock(&dev->filelist_mutex); - print_context_stats(m, dev_priv); - list_for_each_entry_reverse(file, &dev->filelist, lhead) { - struct file_stats stats; - struct drm_i915_file_private *file_priv = file->driver_priv; - struct drm_i915_gem_request *request; - struct task_struct *task; - - mutex_lock(&dev->struct_mutex); - - memset(&stats, 0, sizeof(stats)); - stats.file_priv = file->driver_priv; - spin_lock(&file->table_lock); - idr_for_each(&file->object_idr, per_file_stats, &stats); - spin_unlock(&file->table_lock); - /* - * Although we have a valid reference on file->pid, that does - * not guarantee that the task_struct who called get_pid() is - * still alive (e.g. get_pid(current) => fork() => exit()). - * Therefore, we need to protect this ->comm access using RCU. - */ - request = list_first_entry_or_null(&file_priv->mm.request_list, - struct drm_i915_gem_request, - client_link); - rcu_read_lock(); - task = pid_task(request && request->ctx->pid ? - request->ctx->pid : file->pid, - PIDTYPE_PID); - print_file_stats(m, task ? task->comm : "<unknown>", stats); - rcu_read_unlock(); - - mutex_unlock(&dev->struct_mutex); - } - mutex_unlock(&dev->filelist_mutex); - - return 0; -} - -static int i915_gem_gtt_info(struct seq_file *m, void *data) -{ - struct drm_info_node *node = m->private; - struct drm_i915_private *dev_priv = node_to_i915(node); - struct drm_device *dev = &dev_priv->drm; - bool show_pin_display_only = !!node->info_ent->data; - struct drm_i915_gem_object *obj; - u64 total_obj_size, total_gtt_size; - int count, ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - total_obj_size = total_gtt_size = count = 0; - list_for_each_entry(obj, &dev_priv->mm.bound_list, global_link) { - if (show_pin_display_only && !obj->pin_display) - continue; - - seq_puts(m, " "); - describe_obj(m, obj); - seq_putc(m, '\n'); - total_obj_size += obj->base.size; - total_gtt_size += i915_gem_obj_total_ggtt_size(obj); - count++; - } - - mutex_unlock(&dev->struct_mutex); - - seq_printf(m, "Total %d objects, %llu bytes, %llu GTT size\n", - count, total_obj_size, total_gtt_size); - - return 0; -} - -static int i915_gem_pageflip_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_crtc *crtc; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - for_each_intel_crtc(dev, crtc) { - const char pipe = pipe_name(crtc->pipe); - const char plane = plane_name(crtc->plane); - struct intel_flip_work *work; - - spin_lock_irq(&dev->event_lock); - work = crtc->flip_work; - if (work == NULL) { - seq_printf(m, "No flip due on pipe %c (plane %c)\n", - pipe, plane); - } else { - u32 pending; - u32 addr; - - pending = atomic_read(&work->pending); - if (pending) { - seq_printf(m, "Flip ioctl preparing on pipe %c (plane %c)\n", - pipe, plane); - } else { - seq_printf(m, "Flip pending (waiting for vsync) on pipe %c (plane %c)\n", - pipe, plane); - } - if (work->flip_queued_req) { - struct intel_engine_cs *engine = work->flip_queued_req->engine; - - seq_printf(m, "Flip queued on %s at seqno %x, last submitted seqno %x [current breadcrumb %x], completed? %d\n", - engine->name, - work->flip_queued_req->global_seqno, - intel_engine_last_submit(engine), - intel_engine_get_seqno(engine), - i915_gem_request_completed(work->flip_queued_req)); - } else - seq_printf(m, "Flip not associated with any ring\n"); - seq_printf(m, "Flip queued on frame %d, (was ready on frame %d), now %d\n", - work->flip_queued_vblank, - work->flip_ready_vblank, - intel_crtc_get_vblank_counter(crtc)); - seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); - - if (INTEL_GEN(dev_priv) >= 4) - addr = I915_HI_DISPBASE(I915_READ(DSPSURF(crtc->plane))); - else - addr = I915_READ(DSPADDR(crtc->plane)); - seq_printf(m, "Current scanout address 0x%08x\n", addr); - - if (work->pending_flip_obj) { - seq_printf(m, "New framebuffer address 0x%08lx\n", (long)work->gtt_offset); - seq_printf(m, "MMIO update completed? %d\n", addr == work->gtt_offset); - } - } - spin_unlock_irq(&dev->event_lock); - } - - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -static int i915_gem_batch_pool_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_i915_gem_object *obj; - struct intel_engine_cs *engine; - enum intel_engine_id id; - int total = 0; - int ret, j; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - for_each_engine(engine, dev_priv, id) { - for (j = 0; j < ARRAY_SIZE(engine->batch_pool.cache_list); j++) { - int count; - - count = 0; - list_for_each_entry(obj, - &engine->batch_pool.cache_list[j], - batch_pool_link) - count++; - seq_printf(m, "%s cache[%d]: %d objects\n", - engine->name, j, count); - - list_for_each_entry(obj, - &engine->batch_pool.cache_list[j], - batch_pool_link) { - seq_puts(m, " "); - describe_obj(m, obj); - seq_putc(m, '\n'); - } - - total += count; - } - } - - seq_printf(m, "total: %d\n", total); - - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -static void print_request(struct seq_file *m, - struct drm_i915_gem_request *rq, - const char *prefix) -{ - seq_printf(m, "%s%x [%x:%x] prio=%d @ %dms: %s\n", prefix, - rq->global_seqno, rq->ctx->hw_id, rq->fence.seqno, - rq->priotree.priority, - jiffies_to_msecs(jiffies - rq->emitted_jiffies), - rq->timeline->common->name); -} - -static int i915_gem_request_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_i915_gem_request *req; - struct intel_engine_cs *engine; - enum intel_engine_id id; - int ret, any; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - any = 0; - for_each_engine(engine, dev_priv, id) { - int count; - - count = 0; - list_for_each_entry(req, &engine->timeline->requests, link) - count++; - if (count == 0) - continue; - - seq_printf(m, "%s requests: %d\n", engine->name, count); - list_for_each_entry(req, &engine->timeline->requests, link) - print_request(m, req, " "); - - any++; - } - mutex_unlock(&dev->struct_mutex); - - if (any == 0) - seq_puts(m, "No requests\n"); - - return 0; -} - -static void i915_ring_seqno_info(struct seq_file *m, - struct intel_engine_cs *engine) -{ - struct intel_breadcrumbs *b = &engine->breadcrumbs; - struct rb_node *rb; - - seq_printf(m, "Current sequence (%s): %x\n", - engine->name, intel_engine_get_seqno(engine)); - - spin_lock_irq(&b->rb_lock); - for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { - struct intel_wait *w = rb_entry(rb, typeof(*w), node); - - seq_printf(m, "Waiting (%s): %s [%d] on %x\n", - engine->name, w->tsk->comm, w->tsk->pid, w->seqno); - } - spin_unlock_irq(&b->rb_lock); -} - -static int i915_gem_seqno_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_engine_cs *engine; - enum intel_engine_id id; - - for_each_engine(engine, dev_priv, id) - i915_ring_seqno_info(m, engine); - - return 0; -} - - -static int i915_interrupt_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_engine_cs *engine; - enum intel_engine_id id; - int i, pipe; - - intel_runtime_pm_get(dev_priv); - - if (IS_CHERRYVIEW(dev_priv)) { - seq_printf(m, "Master Interrupt Control:\t%08x\n", - I915_READ(GEN8_MASTER_IRQ)); - - seq_printf(m, "Display IER:\t%08x\n", - I915_READ(VLV_IER)); - seq_printf(m, "Display IIR:\t%08x\n", - I915_READ(VLV_IIR)); - seq_printf(m, "Display IIR_RW:\t%08x\n", - I915_READ(VLV_IIR_RW)); - seq_printf(m, "Display IMR:\t%08x\n", - I915_READ(VLV_IMR)); - for_each_pipe(dev_priv, pipe) { - enum intel_display_power_domain power_domain; - - power_domain = POWER_DOMAIN_PIPE(pipe); - if (!intel_display_power_get_if_enabled(dev_priv, - power_domain)) { - seq_printf(m, "Pipe %c power disabled\n", - pipe_name(pipe)); - continue; - } - - seq_printf(m, "Pipe %c stat:\t%08x\n", - pipe_name(pipe), - I915_READ(PIPESTAT(pipe))); - - intel_display_power_put(dev_priv, power_domain); - } - - intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); - seq_printf(m, "Port hotplug:\t%08x\n", - I915_READ(PORT_HOTPLUG_EN)); - seq_printf(m, "DPFLIPSTAT:\t%08x\n", - I915_READ(VLV_DPFLIPSTAT)); - seq_printf(m, "DPINVGTT:\t%08x\n", - I915_READ(DPINVGTT)); - intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); - - for (i = 0; i < 4; i++) { - seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", - i, I915_READ(GEN8_GT_IMR(i))); - seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", - i, I915_READ(GEN8_GT_IIR(i))); - seq_printf(m, "GT Interrupt IER %d:\t%08x\n", - i, I915_READ(GEN8_GT_IER(i))); - } - - seq_printf(m, "PCU interrupt mask:\t%08x\n", - I915_READ(GEN8_PCU_IMR)); - seq_printf(m, "PCU interrupt identity:\t%08x\n", - I915_READ(GEN8_PCU_IIR)); - seq_printf(m, "PCU interrupt enable:\t%08x\n", - I915_READ(GEN8_PCU_IER)); - } else if (INTEL_GEN(dev_priv) >= 8) { - seq_printf(m, "Master Interrupt Control:\t%08x\n", - I915_READ(GEN8_MASTER_IRQ)); - - for (i = 0; i < 4; i++) { - seq_printf(m, "GT Interrupt IMR %d:\t%08x\n", - i, I915_READ(GEN8_GT_IMR(i))); - seq_printf(m, "GT Interrupt IIR %d:\t%08x\n", - i, I915_READ(GEN8_GT_IIR(i))); - seq_printf(m, "GT Interrupt IER %d:\t%08x\n", - i, I915_READ(GEN8_GT_IER(i))); - } - - for_each_pipe(dev_priv, pipe) { - enum intel_display_power_domain power_domain; - - power_domain = POWER_DOMAIN_PIPE(pipe); - if (!intel_display_power_get_if_enabled(dev_priv, - power_domain)) { - seq_printf(m, "Pipe %c power disabled\n", - pipe_name(pipe)); - continue; - } - seq_printf(m, "Pipe %c IMR:\t%08x\n", - pipe_name(pipe), - I915_READ(GEN8_DE_PIPE_IMR(pipe))); - seq_printf(m, "Pipe %c IIR:\t%08x\n", - pipe_name(pipe), - I915_READ(GEN8_DE_PIPE_IIR(pipe))); - seq_printf(m, "Pipe %c IER:\t%08x\n", - pipe_name(pipe), - I915_READ(GEN8_DE_PIPE_IER(pipe))); - - intel_display_power_put(dev_priv, power_domain); - } - - seq_printf(m, "Display Engine port interrupt mask:\t%08x\n", - I915_READ(GEN8_DE_PORT_IMR)); - seq_printf(m, "Display Engine port interrupt identity:\t%08x\n", - I915_READ(GEN8_DE_PORT_IIR)); - seq_printf(m, "Display Engine port interrupt enable:\t%08x\n", - I915_READ(GEN8_DE_PORT_IER)); - - seq_printf(m, "Display Engine misc interrupt mask:\t%08x\n", - I915_READ(GEN8_DE_MISC_IMR)); - seq_printf(m, "Display Engine misc interrupt identity:\t%08x\n", - I915_READ(GEN8_DE_MISC_IIR)); - seq_printf(m, "Display Engine misc interrupt enable:\t%08x\n", - I915_READ(GEN8_DE_MISC_IER)); - - seq_printf(m, "PCU interrupt mask:\t%08x\n", - I915_READ(GEN8_PCU_IMR)); - seq_printf(m, "PCU interrupt identity:\t%08x\n", - I915_READ(GEN8_PCU_IIR)); - seq_printf(m, "PCU interrupt enable:\t%08x\n", - I915_READ(GEN8_PCU_IER)); - } else if (IS_VALLEYVIEW(dev_priv)) { - seq_printf(m, "Display IER:\t%08x\n", - I915_READ(VLV_IER)); - seq_printf(m, "Display IIR:\t%08x\n", - I915_READ(VLV_IIR)); - seq_printf(m, "Display IIR_RW:\t%08x\n", - I915_READ(VLV_IIR_RW)); - seq_printf(m, "Display IMR:\t%08x\n", - I915_READ(VLV_IMR)); - for_each_pipe(dev_priv, pipe) { - enum intel_display_power_domain power_domain; - - power_domain = POWER_DOMAIN_PIPE(pipe); - if (!intel_display_power_get_if_enabled(dev_priv, - power_domain)) { - seq_printf(m, "Pipe %c power disabled\n", - pipe_name(pipe)); - continue; - } - - seq_printf(m, "Pipe %c stat:\t%08x\n", - pipe_name(pipe), - I915_READ(PIPESTAT(pipe))); - intel_display_power_put(dev_priv, power_domain); - } - - seq_printf(m, "Master IER:\t%08x\n", - I915_READ(VLV_MASTER_IER)); - - seq_printf(m, "Render IER:\t%08x\n", - I915_READ(GTIER)); - seq_printf(m, "Render IIR:\t%08x\n", - I915_READ(GTIIR)); - seq_printf(m, "Render IMR:\t%08x\n", - I915_READ(GTIMR)); - - seq_printf(m, "PM IER:\t\t%08x\n", - I915_READ(GEN6_PMIER)); - seq_printf(m, "PM IIR:\t\t%08x\n", - I915_READ(GEN6_PMIIR)); - seq_printf(m, "PM IMR:\t\t%08x\n", - I915_READ(GEN6_PMIMR)); - - seq_printf(m, "Port hotplug:\t%08x\n", - I915_READ(PORT_HOTPLUG_EN)); - seq_printf(m, "DPFLIPSTAT:\t%08x\n", - I915_READ(VLV_DPFLIPSTAT)); - seq_printf(m, "DPINVGTT:\t%08x\n", - I915_READ(DPINVGTT)); - - } else if (!HAS_PCH_SPLIT(dev_priv)) { - seq_printf(m, "Interrupt enable: %08x\n", - I915_READ(IER)); - seq_printf(m, "Interrupt identity: %08x\n", - I915_READ(IIR)); - seq_printf(m, "Interrupt mask: %08x\n", - I915_READ(IMR)); - for_each_pipe(dev_priv, pipe) - seq_printf(m, "Pipe %c stat: %08x\n", - pipe_name(pipe), - I915_READ(PIPESTAT(pipe))); - } else { - seq_printf(m, "North Display Interrupt enable: %08x\n", - I915_READ(DEIER)); - seq_printf(m, "North Display Interrupt identity: %08x\n", - I915_READ(DEIIR)); - seq_printf(m, "North Display Interrupt mask: %08x\n", - I915_READ(DEIMR)); - seq_printf(m, "South Display Interrupt enable: %08x\n", - I915_READ(SDEIER)); - seq_printf(m, "South Display Interrupt identity: %08x\n", - I915_READ(SDEIIR)); - seq_printf(m, "South Display Interrupt mask: %08x\n", - I915_READ(SDEIMR)); - seq_printf(m, "Graphics Interrupt enable: %08x\n", - I915_READ(GTIER)); - seq_printf(m, "Graphics Interrupt identity: %08x\n", - I915_READ(GTIIR)); - seq_printf(m, "Graphics Interrupt mask: %08x\n", - I915_READ(GTIMR)); - } - for_each_engine(engine, dev_priv, id) { - if (INTEL_GEN(dev_priv) >= 6) { - seq_printf(m, - "Graphics Interrupt mask (%s): %08x\n", - engine->name, I915_READ_IMR(engine)); - } - i915_ring_seqno_info(m, engine); - } - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int i915_gem_fence_regs_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - int i, ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); - for (i = 0; i < dev_priv->num_fence_regs; i++) { - struct i915_vma *vma = dev_priv->fence_regs[i].vma; - - seq_printf(m, "Fence %d, pin count = %d, object = ", - i, dev_priv->fence_regs[i].pin_count); - if (!vma) - seq_puts(m, "unused"); - else - describe_obj(m, vma->obj); - seq_putc(m, '\n'); - } - - mutex_unlock(&dev->struct_mutex); - 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_state *error = file->private_data; - struct drm_i915_error_state_buf str; - ssize_t ret; - loff_t tmp; - - if (!error) - return 0; - - ret = i915_error_state_buf_init(&str, error->i915, count, *pos); - if (ret) - return ret; - - ret = i915_error_state_to_str(&str, error); - if (ret) - goto out; - - tmp = 0; - ret = simple_read_from_buffer(ubuf, count, &tmp, str.buf, str.bytes); - if (ret < 0) - goto out; - - *pos = str.start + ret; -out: - i915_error_state_buf_release(&str); - return ret; -} - -static int gpu_state_release(struct inode *inode, struct file *file) -{ - i915_gpu_state_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_state *gpu; - - intel_runtime_pm_get(i915); - gpu = i915_capture_gpu_state(i915); - intel_runtime_pm_put(i915); - if (!gpu) - return -ENOMEM; - - 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_state *error = filp->private_data; - - if (!error) - return 0; - - DRM_DEBUG_DRIVER("Resetting error state\n"); - i915_reset_error_state(error->i915); + struct drm_i915_private *i915 = node_to_i915(m->private); + struct drm_printer p = drm_seq_file_printer(m); + struct intel_memory_region *mr; + enum intel_region_id id; - return cnt; -} + seq_printf(m, "%u shrinkable [%u free] objects, %llu bytes\n", + i915->mm.shrink_count, + atomic_read(&i915->mm.free_count), + i915->mm.shrink_memory); + for_each_memory_region(mr, i915, id) + intel_memory_region_debug(mr, &p); -static int i915_error_state_open(struct inode *inode, struct file *file) -{ - file->private_data = i915_first_error_state(inode->i_private); 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_next_seqno_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - struct drm_device *dev = &dev_priv->drm; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - ret = i915_gem_set_global_seqno(dev, val); - mutex_unlock(&dev->struct_mutex); - - return ret; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_next_seqno_fops, - NULL, i915_next_seqno_set, - "0x%llx\n"); - static int i915_frequency_info(struct seq_file *m, void *unused) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); - int ret = 0; - - intel_runtime_pm_get(dev_priv); - - if (IS_GEN5(dev_priv)) { - u16 rgvswctl = I915_READ16(MEMSWCTL); - u16 rgvstat = I915_READ16(MEMSTAT_ILK); - - seq_printf(m, "Requested P-state: %d\n", (rgvswctl >> 8) & 0xf); - seq_printf(m, "Requested VID: %d\n", rgvswctl & 0x3f); - seq_printf(m, "Current VID: %d\n", (rgvstat & MEMSTAT_VID_MASK) >> - MEMSTAT_VID_SHIFT); - seq_printf(m, "Current P-state: %d\n", - (rgvstat & MEMSTAT_PSTATE_MASK) >> MEMSTAT_PSTATE_SHIFT); - } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { - u32 freq_sts; - - mutex_lock(&dev_priv->rps.hw_lock); - freq_sts = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); - seq_printf(m, "PUNIT_REG_GPU_FREQ_STS: 0x%08x\n", freq_sts); - seq_printf(m, "DDR freq: %d MHz\n", dev_priv->mem_freq); - - seq_printf(m, "actual GPU freq: %d MHz\n", - intel_gpu_freq(dev_priv, (freq_sts >> 8) & 0xff)); - - seq_printf(m, "current GPU freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); - - seq_printf(m, "max GPU freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); - - seq_printf(m, "min GPU freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); - - seq_printf(m, "idle GPU freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); - - seq_printf(m, - "efficient (RPe) frequency: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); - mutex_unlock(&dev_priv->rps.hw_lock); - } else if (INTEL_GEN(dev_priv) >= 6) { - u32 rp_state_limits; - u32 gt_perf_status; - u32 rp_state_cap; - u32 rpmodectl, rpinclimit, rpdeclimit; - u32 rpstat, cagf, reqf; - u32 rpupei, rpcurup, rpprevup; - u32 rpdownei, rpcurdown, rpprevdown; - u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask; - int max_freq; - - rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS); - if (IS_GEN9_LP(dev_priv)) { - rp_state_cap = I915_READ(BXT_RP_STATE_CAP); - gt_perf_status = I915_READ(BXT_GT_PERF_STATUS); - } else { - rp_state_cap = I915_READ(GEN6_RP_STATE_CAP); - gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS); - } - - /* RPSTAT1 is in the GT power well */ - intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); - - reqf = I915_READ(GEN6_RPNSWREQ); - if (IS_GEN9(dev_priv)) - reqf >>= 23; - else { - reqf &= ~GEN6_TURBO_DISABLE; - if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - reqf >>= 24; - else - reqf >>= 25; - } - reqf = intel_gpu_freq(dev_priv, reqf); - - rpmodectl = I915_READ(GEN6_RP_CONTROL); - rpinclimit = I915_READ(GEN6_RP_UP_THRESHOLD); - rpdeclimit = I915_READ(GEN6_RP_DOWN_THRESHOLD); - - rpstat = I915_READ(GEN6_RPSTAT1); - rpupei = I915_READ(GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK; - rpcurup = I915_READ(GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK; - rpprevup = I915_READ(GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK; - rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK; - rpcurdown = I915_READ(GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK; - rpprevdown = I915_READ(GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK; - if (IS_GEN9(dev_priv)) - cagf = (rpstat & GEN9_CAGF_MASK) >> GEN9_CAGF_SHIFT; - else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) - cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT; - else - cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT; - cagf = intel_gpu_freq(dev_priv, cagf); - - intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - - if (IS_GEN6(dev_priv) || IS_GEN7(dev_priv)) { - pm_ier = I915_READ(GEN6_PMIER); - pm_imr = I915_READ(GEN6_PMIMR); - pm_isr = I915_READ(GEN6_PMISR); - pm_iir = I915_READ(GEN6_PMIIR); - pm_mask = I915_READ(GEN6_PMINTRMSK); - } else { - pm_ier = I915_READ(GEN8_GT_IER(2)); - pm_imr = I915_READ(GEN8_GT_IMR(2)); - pm_isr = I915_READ(GEN8_GT_ISR(2)); - pm_iir = I915_READ(GEN8_GT_IIR(2)); - pm_mask = I915_READ(GEN6_PMINTRMSK); - } - seq_printf(m, "PM IER=0x%08x IMR=0x%08x ISR=0x%08x IIR=0x%08x, MASK=0x%08x\n", - pm_ier, pm_imr, pm_isr, pm_iir, pm_mask); - seq_printf(m, "pm_intrmsk_mbz: 0x%08x\n", - dev_priv->rps.pm_intrmsk_mbz); - seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); - seq_printf(m, "Render p-state ratio: %d\n", - (gt_perf_status & (IS_GEN9(dev_priv) ? 0x1ff00 : 0xff00)) >> 8); - seq_printf(m, "Render p-state VID: %d\n", - gt_perf_status & 0xff); - seq_printf(m, "Render p-state limit: %d\n", - rp_state_limits & 0xff); - seq_printf(m, "RPSTAT1: 0x%08x\n", rpstat); - seq_printf(m, "RPMODECTL: 0x%08x\n", rpmodectl); - seq_printf(m, "RPINCLIMIT: 0x%08x\n", rpinclimit); - seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit); - seq_printf(m, "RPNSWREQ: %dMHz\n", reqf); - seq_printf(m, "CAGF: %dMHz\n", cagf); - seq_printf(m, "RP CUR UP EI: %d (%dus)\n", - rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei)); - seq_printf(m, "RP CUR UP: %d (%dus)\n", - rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup)); - seq_printf(m, "RP PREV UP: %d (%dus)\n", - rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup)); - seq_printf(m, "Up threshold: %d%%\n", - dev_priv->rps.up_threshold); - - seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n", - rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei)); - seq_printf(m, "RP CUR DOWN: %d (%dus)\n", - rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown)); - seq_printf(m, "RP PREV DOWN: %d (%dus)\n", - rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown)); - seq_printf(m, "Down threshold: %d%%\n", - dev_priv->rps.down_threshold); - - max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 0 : - rp_state_cap >> 16) & 0xff; - max_freq *= (IS_GEN9_BC(dev_priv) ? GEN9_FREQ_SCALER : 1); - seq_printf(m, "Lowest (RPN) frequency: %dMHz\n", - intel_gpu_freq(dev_priv, max_freq)); - - max_freq = (rp_state_cap & 0xff00) >> 8; - max_freq *= (IS_GEN9_BC(dev_priv) ? GEN9_FREQ_SCALER : 1); - seq_printf(m, "Nominal (RP1) frequency: %dMHz\n", - intel_gpu_freq(dev_priv, max_freq)); - - max_freq = (IS_GEN9_LP(dev_priv) ? rp_state_cap >> 16 : - rp_state_cap >> 0) & 0xff; - max_freq *= (IS_GEN9_BC(dev_priv) ? GEN9_FREQ_SCALER : 1); - seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", - intel_gpu_freq(dev_priv, max_freq)); - seq_printf(m, "Max overclocked frequency: %dMHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); - - seq_printf(m, "Current freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); - seq_printf(m, "Actual freq: %d MHz\n", cagf); - seq_printf(m, "Idle freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq)); - seq_printf(m, "Min freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.min_freq)); - seq_printf(m, "Boost freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); - seq_printf(m, "Max freq: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); - seq_printf(m, - "efficient (RPe) frequency: %d MHz\n", - intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq)); - } else { - seq_puts(m, "no P-state info available\n"); - } - - seq_printf(m, "Current CD clock frequency: %d kHz\n", dev_priv->cdclk.hw.cdclk); - seq_printf(m, "Max CD clock frequency: %d kHz\n", dev_priv->max_cdclk_freq); - seq_printf(m, "Max pixel clock frequency: %d kHz\n", dev_priv->max_dotclk_freq); - - intel_runtime_pm_put(dev_priv); - return ret; -} - -static void i915_instdone_info(struct drm_i915_private *dev_priv, - struct seq_file *m, - struct intel_instdone *instdone) -{ - int slice; - int subslice; - - seq_printf(m, "\t\tINSTDONE: 0x%08x\n", - instdone->instdone); - - if (INTEL_GEN(dev_priv) <= 3) - return; - - seq_printf(m, "\t\tSC_INSTDONE: 0x%08x\n", - instdone->slice_common); - - if (INTEL_GEN(dev_priv) <= 6) - return; - - for_each_instdone_slice_subslice(dev_priv, slice, subslice) - seq_printf(m, "\t\tSAMPLER_INSTDONE[%d][%d]: 0x%08x\n", - slice, subslice, instdone->sampler[slice][subslice]); - - for_each_instdone_slice_subslice(dev_priv, slice, subslice) - seq_printf(m, "\t\tROW_INSTDONE[%d][%d]: 0x%08x\n", - slice, subslice, instdone->row[slice][subslice]); -} - -static int i915_hangcheck_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_engine_cs *engine; - u64 acthd[I915_NUM_ENGINES]; - u32 seqno[I915_NUM_ENGINES]; - struct intel_instdone instdone; - enum intel_engine_id id; - - if (test_bit(I915_WEDGED, &dev_priv->gpu_error.flags)) - seq_puts(m, "Wedged\n"); - if (test_bit(I915_RESET_BACKOFF, &dev_priv->gpu_error.flags)) - seq_puts(m, "Reset in progress: struct_mutex backoff\n"); - if (test_bit(I915_RESET_HANDOFF, &dev_priv->gpu_error.flags)) - seq_puts(m, "Reset in progress: reset handoff to waiter\n"); - if (waitqueue_active(&dev_priv->gpu_error.wait_queue)) - seq_puts(m, "Waiter holding struct mutex\n"); - if (waitqueue_active(&dev_priv->gpu_error.reset_queue)) - seq_puts(m, "struct_mutex blocked for reset\n"); - - if (!i915.enable_hangcheck) { - seq_puts(m, "Hangcheck disabled\n"); - return 0; - } - - intel_runtime_pm_get(dev_priv); - - for_each_engine(engine, dev_priv, id) { - acthd[id] = intel_engine_get_active_head(engine); - seqno[id] = intel_engine_get_seqno(engine); - } - - intel_engine_get_instdone(dev_priv->engine[RCS], &instdone); - - intel_runtime_pm_put(dev_priv); - - if (timer_pending(&dev_priv->gpu_error.hangcheck_work.timer)) - seq_printf(m, "Hangcheck active, timer fires in %dms\n", - jiffies_to_msecs(dev_priv->gpu_error.hangcheck_work.timer.expires - - jiffies)); - else if (delayed_work_pending(&dev_priv->gpu_error.hangcheck_work)) - seq_puts(m, "Hangcheck active, work pending\n"); - else - seq_puts(m, "Hangcheck inactive\n"); - - seq_printf(m, "GT active? %s\n", yesno(dev_priv->gt.awake)); - - for_each_engine(engine, dev_priv, id) { - struct intel_breadcrumbs *b = &engine->breadcrumbs; - struct rb_node *rb; - - seq_printf(m, "%s:\n", engine->name); - seq_printf(m, "\tseqno = %x [current %x, last %x], inflight %d\n", - engine->hangcheck.seqno, seqno[id], - intel_engine_last_submit(engine), - engine->timeline->inflight_seqnos); - seq_printf(m, "\twaiters? %s, fake irq active? %s, stalled? %s\n", - yesno(intel_engine_has_waiter(engine)), - yesno(test_bit(engine->id, - &dev_priv->gpu_error.missed_irq_rings)), - yesno(engine->hangcheck.stalled)); - - spin_lock_irq(&b->rb_lock); - for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { - struct intel_wait *w = rb_entry(rb, typeof(*w), node); - - seq_printf(m, "\t%s [%d] waiting for %x\n", - w->tsk->comm, w->tsk->pid, w->seqno); - } - spin_unlock_irq(&b->rb_lock); - - seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n", - (long long)engine->hangcheck.acthd, - (long long)acthd[id]); - seq_printf(m, "\taction = %s(%d) %d ms ago\n", - hangcheck_action_to_str(engine->hangcheck.action), - engine->hangcheck.action, - jiffies_to_msecs(jiffies - - engine->hangcheck.action_timestamp)); - - if (engine->id == RCS) { - seq_puts(m, "\tinstdone read =\n"); - - i915_instdone_info(dev_priv, m, &instdone); - - seq_puts(m, "\tinstdone accu =\n"); - - i915_instdone_info(dev_priv, m, - &engine->hangcheck.instdone); - } - } - - return 0; -} - -static int ironlake_drpc_info(struct seq_file *m) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - u32 rgvmodectl, rstdbyctl; - u16 crstandvid; - - rgvmodectl = I915_READ(MEMMODECTL); - rstdbyctl = I915_READ(RSTDBYCTL); - crstandvid = I915_READ16(CRSTANDVID); - - seq_printf(m, "HD boost: %s\n", yesno(rgvmodectl & MEMMODE_BOOST_EN)); - seq_printf(m, "Boost freq: %d\n", - (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >> - MEMMODE_BOOST_FREQ_SHIFT); - seq_printf(m, "HW control enabled: %s\n", - yesno(rgvmodectl & MEMMODE_HWIDLE_EN)); - seq_printf(m, "SW control enabled: %s\n", - yesno(rgvmodectl & MEMMODE_SWMODE_EN)); - seq_printf(m, "Gated voltage change: %s\n", - yesno(rgvmodectl & MEMMODE_RCLK_GATE)); - seq_printf(m, "Starting frequency: P%d\n", - (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT); - seq_printf(m, "Max P-state: P%d\n", - (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT); - seq_printf(m, "Min P-state: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK)); - seq_printf(m, "RS1 VID: %d\n", (crstandvid & 0x3f)); - seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); - seq_printf(m, "Render standby enabled: %s\n", - yesno(!(rstdbyctl & RCX_SW_EXIT))); - seq_puts(m, "Current RS state: "); - switch (rstdbyctl & RSX_STATUS_MASK) { - case RSX_STATUS_ON: - seq_puts(m, "on\n"); - break; - case RSX_STATUS_RC1: - seq_puts(m, "RC1\n"); - break; - case RSX_STATUS_RC1E: - seq_puts(m, "RC1E\n"); - break; - case RSX_STATUS_RS1: - seq_puts(m, "RS1\n"); - break; - case RSX_STATUS_RS2: - seq_puts(m, "RS2 (RC6)\n"); - break; - case RSX_STATUS_RS3: - seq_puts(m, "RC3 (RC6+)\n"); - break; - default: - seq_puts(m, "unknown\n"); - break; - } - - return 0; -} - -static int i915_forcewake_domains(struct seq_file *m, void *data) -{ struct drm_i915_private *i915 = node_to_i915(m->private); - struct intel_uncore_forcewake_domain *fw_domain; - unsigned int tmp; - - for_each_fw_domain(fw_domain, i915, tmp) - seq_printf(m, "%s.wake_count = %u\n", - intel_uncore_forcewake_domain_to_str(fw_domain->id), - READ_ONCE(fw_domain->wake_count)); - - return 0; -} - -static void print_rc6_res(struct seq_file *m, - const char *title, - const i915_reg_t reg) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - - seq_printf(m, "%s %u (%llu us)\n", - title, I915_READ(reg), - intel_rc6_residency_us(dev_priv, reg)); -} - -static int vlv_drpc_info(struct seq_file *m) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - u32 rpmodectl1, rcctl1, pw_status; - - pw_status = I915_READ(VLV_GTLC_PW_STATUS); - rpmodectl1 = I915_READ(GEN6_RP_CONTROL); - rcctl1 = I915_READ(GEN6_RC_CONTROL); - - seq_printf(m, "Video Turbo Mode: %s\n", - yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); - seq_printf(m, "Turbo enabled: %s\n", - yesno(rpmodectl1 & GEN6_RP_ENABLE)); - seq_printf(m, "HW control enabled: %s\n", - yesno(rpmodectl1 & GEN6_RP_ENABLE)); - seq_printf(m, "SW control enabled: %s\n", - yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == - GEN6_RP_MEDIA_SW_MODE)); - seq_printf(m, "RC6 Enabled: %s\n", - yesno(rcctl1 & (GEN7_RC_CTL_TO_MODE | - GEN6_RC_CTL_EI_MODE(1)))); - seq_printf(m, "Render Power Well: %s\n", - (pw_status & VLV_GTLC_PW_RENDER_STATUS_MASK) ? "Up" : "Down"); - seq_printf(m, "Media Power Well: %s\n", - (pw_status & VLV_GTLC_PW_MEDIA_STATUS_MASK) ? "Up" : "Down"); - - print_rc6_res(m, "Render RC6 residency since boot:", VLV_GT_RENDER_RC6); - print_rc6_res(m, "Media RC6 residency since boot:", VLV_GT_MEDIA_RC6); - - return i915_forcewake_domains(m, NULL); -} - -static int gen6_drpc_info(struct seq_file *m) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; - u32 gen9_powergate_enable = 0, gen9_powergate_status = 0; - unsigned forcewake_count; - int count = 0; - - forcewake_count = READ_ONCE(dev_priv->uncore.fw_domain[FW_DOMAIN_ID_RENDER].wake_count); - if (forcewake_count) { - seq_puts(m, "RC information inaccurate because somebody " - "holds a forcewake reference \n"); - } else { - /* NB: we cannot use forcewake, else we read the wrong values */ - while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1)) - udelay(10); - seq_printf(m, "RC information accurate: %s\n", yesno(count < 51)); - } - - gt_core_status = I915_READ_FW(GEN6_GT_CORE_STATUS); - trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true); - - rpmodectl1 = I915_READ(GEN6_RP_CONTROL); - rcctl1 = I915_READ(GEN6_RC_CONTROL); - if (INTEL_GEN(dev_priv) >= 9) { - gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE); - gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS); - } - - mutex_lock(&dev_priv->rps.hw_lock); - sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); - mutex_unlock(&dev_priv->rps.hw_lock); - - seq_printf(m, "Video Turbo Mode: %s\n", - yesno(rpmodectl1 & GEN6_RP_MEDIA_TURBO)); - seq_printf(m, "HW control enabled: %s\n", - yesno(rpmodectl1 & GEN6_RP_ENABLE)); - seq_printf(m, "SW control enabled: %s\n", - yesno((rpmodectl1 & GEN6_RP_MEDIA_MODE_MASK) == - GEN6_RP_MEDIA_SW_MODE)); - seq_printf(m, "RC1e Enabled: %s\n", - yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE)); - seq_printf(m, "RC6 Enabled: %s\n", - yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE)); - if (INTEL_GEN(dev_priv) >= 9) { - seq_printf(m, "Render Well Gating Enabled: %s\n", - yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE)); - seq_printf(m, "Media Well Gating Enabled: %s\n", - yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE)); - } - seq_printf(m, "Deep RC6 Enabled: %s\n", - yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); - seq_printf(m, "Deepest RC6 Enabled: %s\n", - yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); - seq_puts(m, "Current RC state: "); - switch (gt_core_status & GEN6_RCn_MASK) { - case GEN6_RC0: - if (gt_core_status & GEN6_CORE_CPD_STATE_MASK) - seq_puts(m, "Core Power Down\n"); - else - seq_puts(m, "on\n"); - break; - case GEN6_RC3: - seq_puts(m, "RC3\n"); - break; - case GEN6_RC6: - seq_puts(m, "RC6\n"); - break; - case GEN6_RC7: - seq_puts(m, "RC7\n"); - break; - default: - seq_puts(m, "Unknown\n"); - break; - } - - seq_printf(m, "Core Power Down: %s\n", - yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK)); - if (INTEL_GEN(dev_priv) >= 9) { - seq_printf(m, "Render Power Well: %s\n", - (gen9_powergate_status & - GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down"); - seq_printf(m, "Media Power Well: %s\n", - (gen9_powergate_status & - GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down"); - } - - /* Not exactly sure what this is */ - print_rc6_res(m, "RC6 \"Locked to RPn\" residency since boot:", - GEN6_GT_GFX_RC6_LOCKED); - print_rc6_res(m, "RC6 residency since boot:", GEN6_GT_GFX_RC6); - print_rc6_res(m, "RC6+ residency since boot:", GEN6_GT_GFX_RC6p); - print_rc6_res(m, "RC6++ residency since boot:", GEN6_GT_GFX_RC6pp); - - seq_printf(m, "RC6 voltage: %dmV\n", - GEN6_DECODE_RC6_VID(((rc6vids >> 0) & 0xff))); - seq_printf(m, "RC6+ voltage: %dmV\n", - GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff))); - seq_printf(m, "RC6++ voltage: %dmV\n", - GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff))); - return i915_forcewake_domains(m, NULL); -} - -static int i915_drpc_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - int err; - - intel_runtime_pm_get(dev_priv); - - if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - err = vlv_drpc_info(m); - else if (INTEL_GEN(dev_priv) >= 6) - err = gen6_drpc_info(m); - else - err = ironlake_drpc_info(m); - - intel_runtime_pm_put(dev_priv); - - return err; -} - -static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - - seq_printf(m, "FB tracking busy bits: 0x%08x\n", - dev_priv->fb_tracking.busy_bits); - - seq_printf(m, "FB tracking flip bits: 0x%08x\n", - dev_priv->fb_tracking.flip_bits); - - return 0; -} - -static int i915_fbc_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - - if (!HAS_FBC(dev_priv)) { - seq_puts(m, "FBC unsupported on this chipset\n"); - return 0; - } - - intel_runtime_pm_get(dev_priv); - mutex_lock(&dev_priv->fbc.lock); - - if (intel_fbc_is_active(dev_priv)) - seq_puts(m, "FBC enabled\n"); - else - seq_printf(m, "FBC disabled: %s\n", - dev_priv->fbc.no_fbc_reason); - - if (intel_fbc_is_active(dev_priv)) { - u32 mask; - - if (INTEL_GEN(dev_priv) >= 8) - mask = I915_READ(IVB_FBC_STATUS2) & BDW_FBC_COMP_SEG_MASK; - else if (INTEL_GEN(dev_priv) >= 7) - mask = I915_READ(IVB_FBC_STATUS2) & IVB_FBC_COMP_SEG_MASK; - else if (INTEL_GEN(dev_priv) >= 5) - mask = I915_READ(ILK_DPFC_STATUS) & ILK_DPFC_COMP_SEG_MASK; - else if (IS_G4X(dev_priv)) - mask = I915_READ(DPFC_STATUS) & DPFC_COMP_SEG_MASK; - else - mask = I915_READ(FBC_STATUS) & (FBC_STAT_COMPRESSING | - FBC_STAT_COMPRESSED); - - seq_printf(m, "Compressing: %s\n", yesno(mask)); - } - - mutex_unlock(&dev_priv->fbc.lock); - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int i915_fbc_false_color_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) - return -ENODEV; - - *val = dev_priv->fbc.false_color; - - return 0; -} - -static int i915_fbc_false_color_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - u32 reg; - - if (INTEL_GEN(dev_priv) < 7 || !HAS_FBC(dev_priv)) - return -ENODEV; - - mutex_lock(&dev_priv->fbc.lock); - - reg = I915_READ(ILK_DPFC_CONTROL); - dev_priv->fbc.false_color = val; - - I915_WRITE(ILK_DPFC_CONTROL, val ? - (reg | FBC_CTL_FALSE_COLOR) : - (reg & ~FBC_CTL_FALSE_COLOR)); - - mutex_unlock(&dev_priv->fbc.lock); - return 0; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops, - i915_fbc_false_color_get, i915_fbc_false_color_set, - "%llu\n"); - -static int i915_ips_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - - if (!HAS_IPS(dev_priv)) { - seq_puts(m, "not supported\n"); - return 0; - } - - intel_runtime_pm_get(dev_priv); - - seq_printf(m, "Enabled by kernel parameter: %s\n", - yesno(i915.enable_ips)); - - if (INTEL_GEN(dev_priv) >= 8) { - seq_puts(m, "Currently: unknown\n"); - } else { - if (I915_READ(IPS_CTL) & IPS_ENABLE) - seq_puts(m, "Currently: enabled\n"); - else - seq_puts(m, "Currently: disabled\n"); - } - - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int i915_sr_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - bool sr_enabled = false; - - intel_runtime_pm_get(dev_priv); - intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); - - if (INTEL_GEN(dev_priv) >= 9) - /* no global SR status; inspect per-plane WM */; - else if (HAS_PCH_SPLIT(dev_priv)) - sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; - else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) || - IS_I945G(dev_priv) || IS_I945GM(dev_priv)) - sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN; - else if (IS_I915GM(dev_priv)) - sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN; - else if (IS_PINEVIEW(dev_priv)) - sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN; - else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) - sr_enabled = I915_READ(FW_BLC_SELF_VLV) & FW_CSPWRDWNEN; - - intel_display_power_put(dev_priv, POWER_DOMAIN_INIT); - intel_runtime_pm_put(dev_priv); - - seq_printf(m, "self-refresh: %s\n", enableddisabled(sr_enabled)); - - return 0; -} - -static int i915_emon_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - unsigned long temp, chipset, gfx; - int ret; - - if (!IS_GEN5(dev_priv)) - return -ENODEV; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - temp = i915_mch_val(dev_priv); - chipset = i915_chipset_val(dev_priv); - gfx = i915_gfx_val(dev_priv); - mutex_unlock(&dev->struct_mutex); - - seq_printf(m, "GMCH temp: %ld\n", temp); - seq_printf(m, "Chipset power: %ld\n", chipset); - seq_printf(m, "GFX power: %ld\n", gfx); - seq_printf(m, "Total power: %ld\n", chipset + gfx); - - return 0; -} - -static int i915_ring_freq_table(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - int ret = 0; - int gpu_freq, ia_freq; - unsigned int max_gpu_freq, min_gpu_freq; - - if (!HAS_LLC(dev_priv)) { - seq_puts(m, "unsupported on this chipset\n"); - return 0; - } - - intel_runtime_pm_get(dev_priv); - - ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); - if (ret) - goto out; - - if (IS_GEN9_BC(dev_priv)) { - /* Convert GT frequency to 50 HZ units */ - min_gpu_freq = - dev_priv->rps.min_freq_softlimit / GEN9_FREQ_SCALER; - max_gpu_freq = - dev_priv->rps.max_freq_softlimit / GEN9_FREQ_SCALER; - } else { - min_gpu_freq = dev_priv->rps.min_freq_softlimit; - max_gpu_freq = dev_priv->rps.max_freq_softlimit; - } - - seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n"); - - for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) { - ia_freq = gpu_freq; - sandybridge_pcode_read(dev_priv, - GEN6_PCODE_READ_MIN_FREQ_TABLE, - &ia_freq); - seq_printf(m, "%d\t\t%d\t\t\t\t%d\n", - intel_gpu_freq(dev_priv, (gpu_freq * - (IS_GEN9_BC(dev_priv) ? - GEN9_FREQ_SCALER : 1))), - ((ia_freq >> 0) & 0xff) * 100, - ((ia_freq >> 8) & 0xff) * 100); - } - - mutex_unlock(&dev_priv->rps.hw_lock); - -out: - intel_runtime_pm_put(dev_priv); - return ret; -} - -static int i915_opregion(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_opregion *opregion = &dev_priv->opregion; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - goto out; - - if (opregion->header) - seq_write(m, opregion->header, OPREGION_SIZE); - - mutex_unlock(&dev->struct_mutex); - -out: - return 0; -} - -static int i915_vbt(struct seq_file *m, void *unused) -{ - struct intel_opregion *opregion = &node_to_i915(m->private)->opregion; - - if (opregion->vbt) - seq_write(m, opregion->vbt, opregion->vbt_size); - - return 0; -} - -static int i915_gem_framebuffer_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_framebuffer *fbdev_fb = NULL; - struct drm_framebuffer *drm_fb; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - -#ifdef CONFIG_DRM_FBDEV_EMULATION - if (dev_priv->fbdev) { - fbdev_fb = to_intel_framebuffer(dev_priv->fbdev->helper.fb); - - seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", - fbdev_fb->base.width, - fbdev_fb->base.height, - fbdev_fb->base.format->depth, - fbdev_fb->base.format->cpp[0] * 8, - fbdev_fb->base.modifier, - drm_framebuffer_read_refcount(&fbdev_fb->base)); - describe_obj(m, fbdev_fb->obj); - seq_putc(m, '\n'); - } -#endif - - mutex_lock(&dev->mode_config.fb_lock); - drm_for_each_fb(drm_fb, dev) { - struct intel_framebuffer *fb = to_intel_framebuffer(drm_fb); - if (fb == fbdev_fb) - continue; - - seq_printf(m, "user size: %d x %d, depth %d, %d bpp, modifier 0x%llx, refcount %d, obj ", - fb->base.width, - fb->base.height, - fb->base.format->depth, - fb->base.format->cpp[0] * 8, - fb->base.modifier, - drm_framebuffer_read_refcount(&fb->base)); - describe_obj(m, fb->obj); - seq_putc(m, '\n'); - } - mutex_unlock(&dev->mode_config.fb_lock); - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring) -{ - seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u)", - ring->space, ring->head, ring->tail); -} - -static int i915_context_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_engine_cs *engine; - struct i915_gem_context *ctx; - enum intel_engine_id id; - int ret; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - list_for_each_entry(ctx, &dev_priv->context_list, link) { - seq_printf(m, "HW context %u ", ctx->hw_id); - if (ctx->pid) { - struct task_struct *task; - - task = get_pid_task(ctx->pid, PIDTYPE_PID); - if (task) { - seq_printf(m, "(%s [%d]) ", - task->comm, task->pid); - put_task_struct(task); - } - } else if (IS_ERR(ctx->file_priv)) { - seq_puts(m, "(deleted) "); - } else { - seq_puts(m, "(kernel) "); - } - - seq_putc(m, ctx->remap_slice ? 'R' : 'r'); - seq_putc(m, '\n'); + struct intel_gt *gt = to_gt(i915); + struct drm_printer p = drm_seq_file_printer(m); - for_each_engine(engine, dev_priv, id) { - struct intel_context *ce = &ctx->engine[engine->id]; - - seq_printf(m, "%s: ", engine->name); - seq_putc(m, ce->initialised ? 'I' : 'i'); - if (ce->state) - describe_obj(m, ce->state->obj); - if (ce->ring) - describe_ctx_ring(m, ce->ring); - seq_putc(m, '\n'); - } - - seq_printf(m, - "\tvma hashtable size=%u (actual %lu), count=%u\n", - ctx->vma_lut.ht_size, - BIT(ctx->vma_lut.ht_bits), - ctx->vma_lut.ht_count); - - seq_putc(m, '\n'); - } - - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -static void i915_dump_lrc_obj(struct seq_file *m, - struct i915_gem_context *ctx, - struct intel_engine_cs *engine) -{ - struct i915_vma *vma = ctx->engine[engine->id].state; - struct page *page; - int j; - - seq_printf(m, "CONTEXT: %s %u\n", engine->name, ctx->hw_id); - - if (!vma) { - seq_puts(m, "\tFake context\n"); - return; - } - - if (vma->flags & I915_VMA_GLOBAL_BIND) - seq_printf(m, "\tBound in GGTT at 0x%08x\n", - i915_ggtt_offset(vma)); - - if (i915_gem_object_pin_pages(vma->obj)) { - seq_puts(m, "\tFailed to get pages for context object\n\n"); - return; - } - - page = i915_gem_object_get_page(vma->obj, LRC_STATE_PN); - if (page) { - u32 *reg_state = kmap_atomic(page); - - for (j = 0; j < 0x600 / sizeof(u32) / 4; j += 4) { - seq_printf(m, - "\t[0x%04x] 0x%08x 0x%08x 0x%08x 0x%08x\n", - j * 4, - reg_state[j], reg_state[j + 1], - reg_state[j + 2], reg_state[j + 3]); - } - kunmap_atomic(reg_state); - } - - i915_gem_object_unpin_pages(vma->obj); - seq_putc(m, '\n'); -} - -static int i915_dump_lrc(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_engine_cs *engine; - struct i915_gem_context *ctx; - enum intel_engine_id id; - int ret; - - if (!i915.enable_execlists) { - seq_printf(m, "Logical Ring Contexts are disabled\n"); - return 0; - } - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - list_for_each_entry(ctx, &dev_priv->context_list, link) - for_each_engine(engine, dev_priv, id) - i915_dump_lrc_obj(m, ctx, engine); - - mutex_unlock(&dev->struct_mutex); + intel_gt_pm_frequency_dump(gt, &p); return 0; } @@ -2112,742 +322,83 @@ static const char *swizzle_string(unsigned swizzle) static int i915_swizzle_info(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - - intel_runtime_pm_get(dev_priv); + struct intel_uncore *uncore = &dev_priv->uncore; + intel_wakeref_t wakeref; seq_printf(m, "bit6 swizzle for X-tiling = %s\n", - swizzle_string(dev_priv->mm.bit_6_swizzle_x)); + swizzle_string(to_gt(dev_priv)->ggtt->bit_6_swizzle_x)); seq_printf(m, "bit6 swizzle for Y-tiling = %s\n", - swizzle_string(dev_priv->mm.bit_6_swizzle_y)); + swizzle_string(to_gt(dev_priv)->ggtt->bit_6_swizzle_y)); - if (IS_GEN3(dev_priv) || IS_GEN4(dev_priv)) { + if (dev_priv->gem_quirks & GEM_QUIRK_PIN_SWIZZLED_PAGES) + seq_puts(m, "L-shaped memory detected\n"); + + /* On BDW+, swizzling is not used. See detect_bit_6_swizzle() */ + if (GRAPHICS_VER(dev_priv) >= 8 || IS_VALLEYVIEW(dev_priv)) + return 0; + + wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + + if (IS_GRAPHICS_VER(dev_priv, 3, 4)) { seq_printf(m, "DDC = 0x%08x\n", - I915_READ(DCC)); + intel_uncore_read(uncore, DCC)); seq_printf(m, "DDC2 = 0x%08x\n", - I915_READ(DCC2)); + intel_uncore_read(uncore, DCC2)); seq_printf(m, "C0DRB3 = 0x%04x\n", - I915_READ16(C0DRB3)); + intel_uncore_read16(uncore, C0DRB3_BW)); seq_printf(m, "C1DRB3 = 0x%04x\n", - I915_READ16(C1DRB3)); - } else if (INTEL_GEN(dev_priv) >= 6) { + intel_uncore_read16(uncore, C1DRB3_BW)); + } else if (GRAPHICS_VER(dev_priv) >= 6) { seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n", - I915_READ(MAD_DIMM_C0)); + intel_uncore_read(uncore, MAD_DIMM_C0)); seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n", - I915_READ(MAD_DIMM_C1)); + intel_uncore_read(uncore, MAD_DIMM_C1)); seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n", - I915_READ(MAD_DIMM_C2)); + intel_uncore_read(uncore, MAD_DIMM_C2)); seq_printf(m, "TILECTL = 0x%08x\n", - I915_READ(TILECTL)); - if (INTEL_GEN(dev_priv) >= 8) + intel_uncore_read(uncore, TILECTL)); + if (GRAPHICS_VER(dev_priv) >= 8) seq_printf(m, "GAMTARBMODE = 0x%08x\n", - I915_READ(GAMTARBMODE)); + intel_uncore_read(uncore, GAMTARBMODE)); else seq_printf(m, "ARB_MODE = 0x%08x\n", - I915_READ(ARB_MODE)); + intel_uncore_read(uncore, ARB_MODE)); seq_printf(m, "DISP_ARB_CTL = 0x%08x\n", - I915_READ(DISP_ARB_CTL)); - } - - if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) - seq_puts(m, "L-shaped memory detected\n"); - - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int per_file_ctx(int id, void *ptr, void *data) -{ - struct i915_gem_context *ctx = ptr; - struct seq_file *m = data; - struct i915_hw_ppgtt *ppgtt = ctx->ppgtt; - - if (!ppgtt) { - seq_printf(m, " no ppgtt for context %d\n", - ctx->user_handle); - return 0; + intel_uncore_read(uncore, DISP_ARB_CTL)); } - if (i915_gem_context_is_default(ctx)) - seq_puts(m, " default context:\n"); - else - seq_printf(m, " context %d:\n", ctx->user_handle); - ppgtt->debug_dump(ppgtt, m); + intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); return 0; } -static void gen8_ppgtt_info(struct seq_file *m, - struct drm_i915_private *dev_priv) -{ - struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; - struct intel_engine_cs *engine; - enum intel_engine_id id; - int i; - - if (!ppgtt) - return; - - for_each_engine(engine, dev_priv, id) { - seq_printf(m, "%s\n", engine->name); - for (i = 0; i < 4; i++) { - u64 pdp = I915_READ(GEN8_RING_PDP_UDW(engine, i)); - pdp <<= 32; - pdp |= I915_READ(GEN8_RING_PDP_LDW(engine, i)); - seq_printf(m, "\tPDP%d 0x%016llx\n", i, pdp); - } - } -} - -static void gen6_ppgtt_info(struct seq_file *m, - struct drm_i915_private *dev_priv) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - - if (IS_GEN6(dev_priv)) - seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE)); - - for_each_engine(engine, dev_priv, id) { - seq_printf(m, "%s\n", engine->name); - if (IS_GEN7(dev_priv)) - seq_printf(m, "GFX_MODE: 0x%08x\n", - I915_READ(RING_MODE_GEN7(engine))); - seq_printf(m, "PP_DIR_BASE: 0x%08x\n", - I915_READ(RING_PP_DIR_BASE(engine))); - seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", - I915_READ(RING_PP_DIR_BASE_READ(engine))); - seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", - I915_READ(RING_PP_DIR_DCLV(engine))); - } - if (dev_priv->mm.aliasing_ppgtt) { - struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt; - - seq_puts(m, "aliasing PPGTT:\n"); - seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd.base.ggtt_offset); - - ppgtt->debug_dump(ppgtt, m); - } - - seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK)); -} - -static int i915_ppgtt_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_file *file; - int ret; - - mutex_lock(&dev->filelist_mutex); - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - goto out_unlock; - - intel_runtime_pm_get(dev_priv); - - if (INTEL_GEN(dev_priv) >= 8) - gen8_ppgtt_info(m, dev_priv); - else if (INTEL_GEN(dev_priv) >= 6) - gen6_ppgtt_info(m, dev_priv); - - list_for_each_entry_reverse(file, &dev->filelist, lhead) { - struct drm_i915_file_private *file_priv = file->driver_priv; - struct task_struct *task; - - task = get_pid_task(file->pid, PIDTYPE_PID); - if (!task) { - ret = -ESRCH; - goto out_rpm; - } - seq_printf(m, "\nproc: %s\n", task->comm); - put_task_struct(task); - idr_for_each(&file_priv->context_idr, per_file_ctx, - (void *)(unsigned long)m); - } - -out_rpm: - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev->struct_mutex); -out_unlock: - mutex_unlock(&dev->filelist_mutex); - return ret; -} - -static int count_irq_waiters(struct drm_i915_private *i915) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - int count = 0; - - for_each_engine(engine, i915, id) - count += intel_engine_has_waiter(engine); - - return count; -} - -static const char *rps_power_to_str(unsigned int power) -{ - static const char * const strings[] = { - [LOW_POWER] = "low power", - [BETWEEN] = "mixed", - [HIGH_POWER] = "high power", - }; - - if (power >= ARRAY_SIZE(strings) || !strings[power]) - return "unknown"; - - return strings[power]; -} - static int i915_rps_boost_info(struct seq_file *m, void *data) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_file *file; + struct intel_rps *rps = &to_gt(dev_priv)->rps; - seq_printf(m, "RPS enabled? %d\n", dev_priv->rps.enabled); - seq_printf(m, "GPU busy? %s [%d requests]\n", - yesno(dev_priv->gt.awake), dev_priv->gt.active_requests); - seq_printf(m, "CPU waiting? %d\n", count_irq_waiters(dev_priv)); - seq_printf(m, "Frequency requested %d\n", - intel_gpu_freq(dev_priv, dev_priv->rps.cur_freq)); + seq_printf(m, "RPS enabled? %s\n", + str_yes_no(intel_rps_is_enabled(rps))); + seq_printf(m, "RPS active? %s\n", + str_yes_no(intel_rps_is_active(rps))); + seq_printf(m, "GPU busy? %s\n", str_yes_no(to_gt(dev_priv)->awake)); + seq_printf(m, "Boosts outstanding? %d\n", + atomic_read(&rps->num_waiters)); + seq_printf(m, "Interactive? %d\n", READ_ONCE(rps->power.interactive)); + seq_printf(m, "Frequency requested %d, actual %d\n", + intel_gpu_freq(rps, rps->cur_freq), + intel_rps_read_actual_frequency(rps)); seq_printf(m, " min hard:%d, soft:%d; max soft:%d, hard:%d\n", - intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), - intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit), - intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit), - intel_gpu_freq(dev_priv, dev_priv->rps.max_freq)); + intel_gpu_freq(rps, rps->min_freq), + intel_gpu_freq(rps, rps->min_freq_softlimit), + intel_gpu_freq(rps, rps->max_freq_softlimit), + intel_gpu_freq(rps, rps->max_freq)); seq_printf(m, " idle:%d, efficient:%d, boost:%d\n", - intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), - intel_gpu_freq(dev_priv, dev_priv->rps.efficient_freq), - intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq)); - - mutex_lock(&dev->filelist_mutex); - spin_lock(&dev_priv->rps.client_lock); - list_for_each_entry_reverse(file, &dev->filelist, lhead) { - struct drm_i915_file_private *file_priv = file->driver_priv; - struct task_struct *task; - - rcu_read_lock(); - task = pid_task(file->pid, PIDTYPE_PID); - seq_printf(m, "%s [%d]: %d boosts%s\n", - task ? task->comm : "<unknown>", - task ? task->pid : -1, - file_priv->rps.boosts, - list_empty(&file_priv->rps.link) ? "" : ", active"); - rcu_read_unlock(); - } - seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts); - spin_unlock(&dev_priv->rps.client_lock); - mutex_unlock(&dev->filelist_mutex); - - if (INTEL_GEN(dev_priv) >= 6 && - dev_priv->rps.enabled && - dev_priv->gt.active_requests) { - u32 rpup, rpupei; - u32 rpdown, rpdownei; - - intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); - rpup = I915_READ_FW(GEN6_RP_CUR_UP) & GEN6_RP_EI_MASK; - rpupei = I915_READ_FW(GEN6_RP_CUR_UP_EI) & GEN6_RP_EI_MASK; - rpdown = I915_READ_FW(GEN6_RP_CUR_DOWN) & GEN6_RP_EI_MASK; - rpdownei = I915_READ_FW(GEN6_RP_CUR_DOWN_EI) & GEN6_RP_EI_MASK; - intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - - seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n", - rps_power_to_str(dev_priv->rps.power)); - seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n", - rpup && rpupei ? 100 * rpup / rpupei : 0, - dev_priv->rps.up_threshold); - seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n", - rpdown && rpdownei ? 100 * rpdown / rpdownei : 0, - dev_priv->rps.down_threshold); - } else { - seq_puts(m, "\nRPS Autotuning inactive\n"); - } - - return 0; -} - -static int i915_llc(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const bool edram = INTEL_GEN(dev_priv) > 8; - - seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev_priv))); - seq_printf(m, "%s: %lluMB\n", edram ? "eDRAM" : "eLLC", - intel_uncore_edram_size(dev_priv)/1024/1024); - - return 0; -} - -static int i915_huc_load_status_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_uc_fw *huc_fw = &dev_priv->huc.fw; - - if (!HAS_HUC_UCODE(dev_priv)) - return 0; - - seq_puts(m, "HuC firmware status:\n"); - seq_printf(m, "\tpath: %s\n", huc_fw->path); - seq_printf(m, "\tfetch: %s\n", - intel_uc_fw_status_repr(huc_fw->fetch_status)); - seq_printf(m, "\tload: %s\n", - intel_uc_fw_status_repr(huc_fw->load_status)); - seq_printf(m, "\tversion wanted: %d.%d\n", - huc_fw->major_ver_wanted, huc_fw->minor_ver_wanted); - seq_printf(m, "\tversion found: %d.%d\n", - huc_fw->major_ver_found, huc_fw->minor_ver_found); - seq_printf(m, "\theader: offset is %d; size = %d\n", - huc_fw->header_offset, huc_fw->header_size); - seq_printf(m, "\tuCode: offset is %d; size = %d\n", - huc_fw->ucode_offset, huc_fw->ucode_size); - seq_printf(m, "\tRSA: offset is %d; size = %d\n", - huc_fw->rsa_offset, huc_fw->rsa_size); - - intel_runtime_pm_get(dev_priv); - seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2)); - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int i915_guc_load_status_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_uc_fw *guc_fw = &dev_priv->guc.fw; - u32 tmp, i; - - if (!HAS_GUC_UCODE(dev_priv)) - return 0; - - seq_printf(m, "GuC firmware status:\n"); - seq_printf(m, "\tpath: %s\n", - guc_fw->path); - seq_printf(m, "\tfetch: %s\n", - intel_uc_fw_status_repr(guc_fw->fetch_status)); - seq_printf(m, "\tload: %s\n", - intel_uc_fw_status_repr(guc_fw->load_status)); - seq_printf(m, "\tversion wanted: %d.%d\n", - guc_fw->major_ver_wanted, guc_fw->minor_ver_wanted); - seq_printf(m, "\tversion found: %d.%d\n", - guc_fw->major_ver_found, guc_fw->minor_ver_found); - seq_printf(m, "\theader: offset is %d; size = %d\n", - guc_fw->header_offset, guc_fw->header_size); - seq_printf(m, "\tuCode: offset is %d; size = %d\n", - guc_fw->ucode_offset, guc_fw->ucode_size); - seq_printf(m, "\tRSA: offset is %d; size = %d\n", - guc_fw->rsa_offset, guc_fw->rsa_size); - - intel_runtime_pm_get(dev_priv); - - tmp = I915_READ(GUC_STATUS); - - seq_printf(m, "\nGuC status 0x%08x:\n", tmp); - seq_printf(m, "\tBootrom status = 0x%x\n", - (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT); - seq_printf(m, "\tuKernel status = 0x%x\n", - (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT); - seq_printf(m, "\tMIA Core status = 0x%x\n", - (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT); - seq_puts(m, "\nScratch registers:\n"); - for (i = 0; i < 16; i++) - seq_printf(m, "\t%2d: \t0x%x\n", i, I915_READ(SOFT_SCRATCH(i))); - - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static void i915_guc_log_info(struct seq_file *m, - struct drm_i915_private *dev_priv) -{ - struct intel_guc *guc = &dev_priv->guc; - - seq_puts(m, "\nGuC logging stats:\n"); - - seq_printf(m, "\tISR: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_ISR_LOG_BUFFER], - guc->log.total_overflow_count[GUC_ISR_LOG_BUFFER]); - - seq_printf(m, "\tDPC: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_DPC_LOG_BUFFER], - guc->log.total_overflow_count[GUC_DPC_LOG_BUFFER]); - - seq_printf(m, "\tCRASH: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_CRASH_DUMP_LOG_BUFFER], - guc->log.total_overflow_count[GUC_CRASH_DUMP_LOG_BUFFER]); - - seq_printf(m, "\tTotal flush interrupt count: %u\n", - guc->log.flush_interrupt_count); - - seq_printf(m, "\tCapture miss count: %u\n", - guc->log.capture_miss_count); -} - -static void i915_guc_client_info(struct seq_file *m, - struct drm_i915_private *dev_priv, - struct i915_guc_client *client) -{ - struct intel_engine_cs *engine; - enum intel_engine_id id; - uint64_t tot = 0; - - seq_printf(m, "\tPriority %d, GuC stage index: %u, PD offset 0x%x\n", - client->priority, client->stage_id, client->proc_desc_offset); - seq_printf(m, "\tDoorbell id %d, offset: 0x%lx, cookie 0x%x\n", - client->doorbell_id, client->doorbell_offset, client->doorbell_cookie); - seq_printf(m, "\tWQ size %d, offset: 0x%x, tail %d\n", - client->wq_size, client->wq_offset, client->wq_tail); - - seq_printf(m, "\tWork queue full: %u\n", client->no_wq_space); - - for_each_engine(engine, dev_priv, id) { - u64 submissions = client->submissions[id]; - tot += submissions; - seq_printf(m, "\tSubmissions: %llu %s\n", - submissions, engine->name); - } - seq_printf(m, "\tTotal: %llu\n", tot); -} - -static bool check_guc_submission(struct seq_file *m) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_guc *guc = &dev_priv->guc; - - if (!guc->execbuf_client) { - seq_printf(m, "GuC submission %s\n", - HAS_GUC_SCHED(dev_priv) ? - "disabled" : - "not supported"); - return false; - } - - return true; -} - -static int i915_guc_info(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_guc *guc = &dev_priv->guc; - - if (!check_guc_submission(m)) - return 0; - - seq_printf(m, "Doorbell map:\n"); - seq_printf(m, "\t%*pb\n", GUC_NUM_DOORBELLS, guc->doorbell_bitmap); - seq_printf(m, "Doorbell next cacheline: 0x%x\n\n", guc->db_cacheline); - - seq_printf(m, "\nGuC execbuf client @ %p:\n", guc->execbuf_client); - i915_guc_client_info(m, dev_priv, guc->execbuf_client); - - i915_guc_log_info(m, dev_priv); - - /* Add more as required ... */ - - return 0; -} - -static int i915_guc_stage_pool(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const struct intel_guc *guc = &dev_priv->guc; - struct guc_stage_desc *desc = guc->stage_desc_pool_vaddr; - struct i915_guc_client *client = guc->execbuf_client; - unsigned int tmp; - int index; - - if (!check_guc_submission(m)) - return 0; - - for (index = 0; index < GUC_MAX_STAGE_DESCRIPTORS; index++, desc++) { - struct intel_engine_cs *engine; - - if (!(desc->attribute & GUC_STAGE_DESC_ATTR_ACTIVE)) - continue; + intel_gpu_freq(rps, rps->idle_freq), + intel_gpu_freq(rps, rps->efficient_freq), + intel_gpu_freq(rps, rps->boost_freq)); - seq_printf(m, "GuC stage descriptor %u:\n", index); - seq_printf(m, "\tIndex: %u\n", desc->stage_id); - seq_printf(m, "\tAttribute: 0x%x\n", desc->attribute); - seq_printf(m, "\tPriority: %d\n", desc->priority); - seq_printf(m, "\tDoorbell id: %d\n", desc->db_id); - seq_printf(m, "\tEngines used: 0x%x\n", - desc->engines_used); - seq_printf(m, "\tDoorbell trigger phy: 0x%llx, cpu: 0x%llx, uK: 0x%x\n", - desc->db_trigger_phy, - desc->db_trigger_cpu, - desc->db_trigger_uk); - seq_printf(m, "\tProcess descriptor: 0x%x\n", - desc->process_desc); - seq_printf(m, "\tWorkqueue address: 0x%x, size: 0x%x\n", - desc->wq_addr, desc->wq_size); - seq_putc(m, '\n'); - - for_each_engine_masked(engine, dev_priv, client->engines, tmp) { - u32 guc_engine_id = engine->guc_id; - struct guc_execlist_context *lrc = - &desc->lrc[guc_engine_id]; - - seq_printf(m, "\t%s LRC:\n", engine->name); - seq_printf(m, "\t\tContext desc: 0x%x\n", - lrc->context_desc); - seq_printf(m, "\t\tContext id: 0x%x\n", lrc->context_id); - seq_printf(m, "\t\tLRCA: 0x%x\n", lrc->ring_lrca); - seq_printf(m, "\t\tRing begin: 0x%x\n", lrc->ring_begin); - seq_printf(m, "\t\tRing end: 0x%x\n", lrc->ring_end); - seq_putc(m, '\n'); - } - } - - return 0; -} - -static int i915_guc_log_dump(struct seq_file *m, void *data) -{ - struct drm_info_node *node = m->private; - struct drm_i915_private *dev_priv = node_to_i915(node); - bool dump_load_err = !!node->info_ent->data; - struct drm_i915_gem_object *obj = NULL; - u32 *log; - int i = 0; - - if (dump_load_err) - obj = dev_priv->guc.load_err_log; - else if (dev_priv->guc.log.vma) - obj = dev_priv->guc.log.vma->obj; - - if (!obj) - return 0; - - log = i915_gem_object_pin_map(obj, I915_MAP_WC); - if (IS_ERR(log)) { - DRM_DEBUG("Failed to pin object\n"); - seq_puts(m, "(log data unaccessible)\n"); - return PTR_ERR(log); - } - - for (i = 0; i < obj->base.size / sizeof(u32); i += 4) - seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n", - *(log + i), *(log + i + 1), - *(log + i + 2), *(log + i + 3)); - - seq_putc(m, '\n'); - - i915_gem_object_unpin_map(obj); - - return 0; -} - -static int i915_guc_log_control_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - if (!dev_priv->guc.log.vma) - return -EINVAL; - - *val = i915.guc_log_level; - - return 0; -} - -static int i915_guc_log_control_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - int ret; - - if (!dev_priv->guc.log.vma) - return -EINVAL; - - ret = mutex_lock_interruptible(&dev_priv->drm.struct_mutex); - if (ret) - return ret; - - intel_runtime_pm_get(dev_priv); - ret = i915_guc_log_control(dev_priv, val); - intel_runtime_pm_put(dev_priv); - - mutex_unlock(&dev_priv->drm.struct_mutex); - return ret; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_control_fops, - i915_guc_log_control_get, i915_guc_log_control_set, - "%lld\n"); - -static const char *psr2_live_status(u32 val) -{ - static const char * const live_status[] = { - "IDLE", - "CAPTURE", - "CAPTURE_FS", - "SLEEP", - "BUFON_FW", - "ML_UP", - "SU_STANDBY", - "FAST_SLEEP", - "DEEP_SLEEP", - "BUF_ON", - "TG_ON" - }; - - val = (val & EDP_PSR2_STATUS_STATE_MASK) >> EDP_PSR2_STATUS_STATE_SHIFT; - if (val < ARRAY_SIZE(live_status)) - return live_status[val]; - - return "unknown"; -} - -static int i915_edp_psr_status(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - u32 psrperf = 0; - u32 stat[3]; - enum pipe pipe; - bool enabled = false; - - if (!HAS_PSR(dev_priv)) { - seq_puts(m, "PSR not supported\n"); - return 0; - } - - intel_runtime_pm_get(dev_priv); - - mutex_lock(&dev_priv->psr.lock); - seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); - seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); - seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); - seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); - seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", - dev_priv->psr.busy_frontbuffer_bits); - seq_printf(m, "Re-enable work scheduled: %s\n", - yesno(work_busy(&dev_priv->psr.work.work))); - - if (HAS_DDI(dev_priv)) { - if (dev_priv->psr.psr2_support) - enabled = I915_READ(EDP_PSR2_CTL) & EDP_PSR2_ENABLE; - else - enabled = I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE; - } else { - for_each_pipe(dev_priv, pipe) { - enum transcoder cpu_transcoder = - intel_pipe_to_cpu_transcoder(dev_priv, pipe); - enum intel_display_power_domain power_domain; - - power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); - if (!intel_display_power_get_if_enabled(dev_priv, - power_domain)) - continue; - - stat[pipe] = I915_READ(VLV_PSRSTAT(pipe)) & - VLV_EDP_PSR_CURR_STATE_MASK; - if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || - (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) - enabled = true; - - intel_display_power_put(dev_priv, power_domain); - } - } - - seq_printf(m, "Main link in standby mode: %s\n", - yesno(dev_priv->psr.link_standby)); - - seq_printf(m, "HW Enabled & Active bit: %s", yesno(enabled)); - - if (!HAS_DDI(dev_priv)) - for_each_pipe(dev_priv, pipe) { - if ((stat[pipe] == VLV_EDP_PSR_ACTIVE_NORFB_UP) || - (stat[pipe] == VLV_EDP_PSR_ACTIVE_SF_UPDATE)) - seq_printf(m, " pipe %c", pipe_name(pipe)); - } - seq_puts(m, "\n"); - - /* - * VLV/CHV PSR has no kind of performance counter - * SKL+ Perf counter is reset to 0 everytime DC state is entered - */ - if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) { - psrperf = I915_READ(EDP_PSR_PERF_CNT) & - EDP_PSR_PERF_CNT_MASK; - - seq_printf(m, "Performance_Counter: %u\n", psrperf); - } - if (dev_priv->psr.psr2_support) { - u32 psr2 = I915_READ(EDP_PSR2_STATUS_CTL); - - seq_printf(m, "EDP_PSR2_STATUS_CTL: %x [%s]\n", - psr2, psr2_live_status(psr2)); - } - mutex_unlock(&dev_priv->psr.lock); - - intel_runtime_pm_put(dev_priv); - return 0; -} - -static int i915_sink_crc(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_connector *connector; - struct drm_connector_list_iter conn_iter; - struct intel_dp *intel_dp = NULL; - int ret; - u8 crc[6]; - - drm_modeset_lock_all(dev); - drm_connector_list_iter_begin(dev, &conn_iter); - for_each_intel_connector_iter(connector, &conn_iter) { - struct drm_crtc *crtc; - - if (!connector->base.state->best_encoder) - continue; - - crtc = connector->base.state->crtc; - if (!crtc->state->active) - continue; - - if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP) - continue; - - intel_dp = enc_to_intel_dp(connector->base.state->best_encoder); - - ret = intel_dp_sink_crc(intel_dp, crc); - if (ret) - goto out; - - seq_printf(m, "%02x%02x%02x%02x%02x%02x\n", - crc[0], crc[1], crc[2], - crc[3], crc[4], crc[5]); - goto out; - } - ret = -ENODEV; -out: - drm_connector_list_iter_end(&conn_iter); - drm_modeset_unlock_all(dev); - return ret; -} - -static int i915_energy_uJ(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - u64 power; - u32 units; - - if (INTEL_GEN(dev_priv) < 6) - return -ENODEV; - - intel_runtime_pm_get(dev_priv); - - rdmsrl(MSR_RAPL_POWER_UNIT, power); - power = (power & 0x1f00) >> 8; - units = 1000000 / (1 << power); /* convert to uJ */ - power = I915_READ(MCH_SECP_NRG_STTS); - power *= units; - - intel_runtime_pm_put(dev_priv); - - seq_printf(m, "%llu", (long long unsigned)power); + seq_printf(m, "Wait boosts: %d\n", READ_ONCE(rps->boosts)); return 0; } @@ -2855,14 +406,14 @@ static int i915_energy_uJ(struct seq_file *m, void *data) static int i915_runtime_pm_status(struct seq_file *m, void *unused) { struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct pci_dev *pdev = dev_priv->drm.pdev; + struct pci_dev *pdev = to_pci_dev(dev_priv->drm.dev); if (!HAS_RUNTIME_PM(dev_priv)) seq_puts(m, "Runtime power management not supported\n"); - seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->gt.awake)); + seq_printf(m, "GPU idle: %s\n", str_yes_no(!to_gt(dev_priv)->awake)); seq_printf(m, "IRQs disabled: %s\n", - yesno(!intel_irqs_enabled(dev_priv))); + str_yes_no(!intel_irqs_enabled(dev_priv))); #ifdef CONFIG_PM seq_printf(m, "Usage count: %d\n", atomic_read(&dev_priv->drm.dev->power.usage_count)); @@ -2873,1332 +424,102 @@ static int i915_runtime_pm_status(struct seq_file *m, void *unused) pci_power_name(pdev->current_state), pdev->current_state); - return 0; -} - -static int i915_power_domain_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct i915_power_domains *power_domains = &dev_priv->power_domains; - int i; - - mutex_lock(&power_domains->lock); - - seq_printf(m, "%-25s %s\n", "Power well/domain", "Use count"); - for (i = 0; i < power_domains->power_well_count; i++) { - struct i915_power_well *power_well; - enum intel_display_power_domain power_domain; - - power_well = &power_domains->power_wells[i]; - seq_printf(m, "%-25s %d\n", power_well->name, - power_well->count); - - for_each_power_domain(power_domain, power_well->domains) - seq_printf(m, " %-23s %d\n", - intel_display_power_domain_str(power_domain), - power_domains->domain_use_count[power_domain]); - } - - mutex_unlock(&power_domains->lock); - - return 0; -} - -static int i915_dmc_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_csr *csr; - - if (!HAS_CSR(dev_priv)) { - seq_puts(m, "not supported\n"); - return 0; - } - - csr = &dev_priv->csr; - - intel_runtime_pm_get(dev_priv); - - seq_printf(m, "fw loaded: %s\n", yesno(csr->dmc_payload != NULL)); - seq_printf(m, "path: %s\n", csr->fw_path); - - if (!csr->dmc_payload) - goto out; - - seq_printf(m, "version: %d.%d\n", CSR_VERSION_MAJOR(csr->version), - CSR_VERSION_MINOR(csr->version)); - - if (IS_KABYLAKE(dev_priv) || - (IS_SKYLAKE(dev_priv) && csr->version >= CSR_VERSION(1, 6))) { - seq_printf(m, "DC3 -> DC5 count: %d\n", - I915_READ(SKL_CSR_DC3_DC5_COUNT)); - seq_printf(m, "DC5 -> DC6 count: %d\n", - I915_READ(SKL_CSR_DC5_DC6_COUNT)); - } else if (IS_BROXTON(dev_priv) && csr->version >= CSR_VERSION(1, 4)) { - seq_printf(m, "DC3 -> DC5 count: %d\n", - I915_READ(BXT_CSR_DC3_DC5_COUNT)); - } - -out: - seq_printf(m, "program base: 0x%08x\n", I915_READ(CSR_PROGRAM(0))); - seq_printf(m, "ssp base: 0x%08x\n", I915_READ(CSR_SSP_BASE)); - seq_printf(m, "htp: 0x%08x\n", I915_READ(CSR_HTP_SKL)); - - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static void intel_seq_print_mode(struct seq_file *m, int tabs, - struct drm_display_mode *mode) -{ - int i; - - for (i = 0; i < tabs; i++) - seq_putc(m, '\t'); - - seq_printf(m, "id %d:\"%s\" freq %d clock %d hdisp %d hss %d hse %d htot %d vdisp %d vss %d vse %d vtot %d type 0x%x flags 0x%x\n", - mode->base.id, mode->name, - mode->vrefresh, mode->clock, - mode->hdisplay, mode->hsync_start, - mode->hsync_end, mode->htotal, - mode->vdisplay, mode->vsync_start, - mode->vsync_end, mode->vtotal, - mode->type, mode->flags); -} - -static void intel_encoder_info(struct seq_file *m, - struct intel_crtc *intel_crtc, - struct intel_encoder *intel_encoder) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_crtc *crtc = &intel_crtc->base; - struct intel_connector *intel_connector; - struct drm_encoder *encoder; - - encoder = &intel_encoder->base; - seq_printf(m, "\tencoder %d: type: %s, connectors:\n", - encoder->base.id, encoder->name); - for_each_connector_on_encoder(dev, encoder, intel_connector) { - struct drm_connector *connector = &intel_connector->base; - seq_printf(m, "\t\tconnector %d: type: %s, status: %s", - connector->base.id, - connector->name, - drm_get_connector_status_name(connector->status)); - if (connector->status == connector_status_connected) { - struct drm_display_mode *mode = &crtc->mode; - seq_printf(m, ", mode:\n"); - intel_seq_print_mode(m, 2, mode); - } else { - seq_putc(m, '\n'); - } - } -} - -static void intel_crtc_info(struct seq_file *m, struct intel_crtc *intel_crtc) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct drm_crtc *crtc = &intel_crtc->base; - struct intel_encoder *intel_encoder; - struct drm_plane_state *plane_state = crtc->primary->state; - struct drm_framebuffer *fb = plane_state->fb; - - if (fb) - seq_printf(m, "\tfb: %d, pos: %dx%d, size: %dx%d\n", - fb->base.id, plane_state->src_x >> 16, - plane_state->src_y >> 16, fb->width, fb->height); - else - seq_puts(m, "\tprimary plane disabled\n"); - for_each_encoder_on_crtc(dev, crtc, intel_encoder) - intel_encoder_info(m, intel_crtc, intel_encoder); -} - -static void intel_panel_info(struct seq_file *m, struct intel_panel *panel) -{ - struct drm_display_mode *mode = panel->fixed_mode; - - seq_printf(m, "\tfixed mode:\n"); - intel_seq_print_mode(m, 2, mode); -} - -static void intel_dp_info(struct seq_file *m, - struct intel_connector *intel_connector) -{ - struct intel_encoder *intel_encoder = intel_connector->encoder; - struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base); - - seq_printf(m, "\tDPCD rev: %x\n", intel_dp->dpcd[DP_DPCD_REV]); - seq_printf(m, "\taudio support: %s\n", yesno(intel_dp->has_audio)); - if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP) - intel_panel_info(m, &intel_connector->panel); - - drm_dp_downstream_debug(m, intel_dp->dpcd, intel_dp->downstream_ports, - &intel_dp->aux); -} - -static void intel_dp_mst_info(struct seq_file *m, - struct intel_connector *intel_connector) -{ - struct intel_encoder *intel_encoder = intel_connector->encoder; - struct intel_dp_mst_encoder *intel_mst = - enc_to_mst(&intel_encoder->base); - struct intel_digital_port *intel_dig_port = intel_mst->primary; - struct intel_dp *intel_dp = &intel_dig_port->dp; - bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, - intel_connector->port); - - seq_printf(m, "\taudio support: %s\n", yesno(has_audio)); -} - -static void intel_hdmi_info(struct seq_file *m, - struct intel_connector *intel_connector) -{ - struct intel_encoder *intel_encoder = intel_connector->encoder; - struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&intel_encoder->base); - - seq_printf(m, "\taudio support: %s\n", yesno(intel_hdmi->has_audio)); -} - -static void intel_lvds_info(struct seq_file *m, - struct intel_connector *intel_connector) -{ - intel_panel_info(m, &intel_connector->panel); -} - -static void intel_connector_info(struct seq_file *m, - struct drm_connector *connector) -{ - struct intel_connector *intel_connector = to_intel_connector(connector); - struct intel_encoder *intel_encoder = intel_connector->encoder; - struct drm_display_mode *mode; - - seq_printf(m, "connector %d: type %s, status: %s\n", - connector->base.id, connector->name, - drm_get_connector_status_name(connector->status)); - if (connector->status == connector_status_connected) { - seq_printf(m, "\tname: %s\n", connector->display_info.name); - seq_printf(m, "\tphysical dimensions: %dx%dmm\n", - connector->display_info.width_mm, - connector->display_info.height_mm); - seq_printf(m, "\tsubpixel order: %s\n", - drm_get_subpixel_order_name(connector->display_info.subpixel_order)); - seq_printf(m, "\tCEA rev: %d\n", - connector->display_info.cea_rev); - } - - if (!intel_encoder) - return; - - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_DisplayPort: - case DRM_MODE_CONNECTOR_eDP: - if (intel_encoder->type == INTEL_OUTPUT_DP_MST) - intel_dp_mst_info(m, intel_connector); - else - intel_dp_info(m, intel_connector); - break; - case DRM_MODE_CONNECTOR_LVDS: - if (intel_encoder->type == INTEL_OUTPUT_LVDS) - intel_lvds_info(m, intel_connector); - break; - case DRM_MODE_CONNECTOR_HDMIA: - if (intel_encoder->type == INTEL_OUTPUT_HDMI || - intel_encoder->type == INTEL_OUTPUT_UNKNOWN) - intel_hdmi_info(m, intel_connector); - break; - default: - break; - } - - seq_printf(m, "\tmodes:\n"); - list_for_each_entry(mode, &connector->modes, head) - intel_seq_print_mode(m, 2, mode); -} - -static const char *plane_type(enum drm_plane_type type) -{ - switch (type) { - case DRM_PLANE_TYPE_OVERLAY: - return "OVL"; - case DRM_PLANE_TYPE_PRIMARY: - return "PRI"; - case DRM_PLANE_TYPE_CURSOR: - return "CUR"; - /* - * Deliberately omitting default: to generate compiler warnings - * when a new drm_plane_type gets added. - */ - } - - return "unknown"; -} - -static const char *plane_rotation(unsigned int rotation) -{ - static char buf[48]; - /* - * According to doc only one DRM_MODE_ROTATE_ is allowed but this - * will print them all to visualize if the values are misused - */ - snprintf(buf, sizeof(buf), - "%s%s%s%s%s%s(0x%08x)", - (rotation & DRM_MODE_ROTATE_0) ? "0 " : "", - (rotation & DRM_MODE_ROTATE_90) ? "90 " : "", - (rotation & DRM_MODE_ROTATE_180) ? "180 " : "", - (rotation & DRM_MODE_ROTATE_270) ? "270 " : "", - (rotation & DRM_MODE_REFLECT_X) ? "FLIPX " : "", - (rotation & DRM_MODE_REFLECT_Y) ? "FLIPY " : "", - rotation); - - return buf; -} - -static void intel_plane_info(struct seq_file *m, struct intel_crtc *intel_crtc) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_plane *intel_plane; - - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - struct drm_plane_state *state; - struct drm_plane *plane = &intel_plane->base; - struct drm_format_name_buf format_name; - - if (!plane->state) { - seq_puts(m, "plane->state is NULL!\n"); - continue; - } - - state = plane->state; + if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)) { + struct drm_printer p = drm_seq_file_printer(m); - if (state->fb) { - drm_get_format_name(state->fb->format->format, - &format_name); - } else { - sprintf(format_name.str, "N/A"); - } - - seq_printf(m, "\t--Plane id %d: type=%s, crtc_pos=%4dx%4d, crtc_size=%4dx%4d, src_pos=%d.%04ux%d.%04u, src_size=%d.%04ux%d.%04u, format=%s, rotation=%s\n", - plane->base.id, - plane_type(intel_plane->base.type), - state->crtc_x, state->crtc_y, - state->crtc_w, state->crtc_h, - (state->src_x >> 16), - ((state->src_x & 0xffff) * 15625) >> 10, - (state->src_y >> 16), - ((state->src_y & 0xffff) * 15625) >> 10, - (state->src_w >> 16), - ((state->src_w & 0xffff) * 15625) >> 10, - (state->src_h >> 16), - ((state->src_h & 0xffff) * 15625) >> 10, - format_name.str, - plane_rotation(state->rotation)); + print_intel_runtime_pm_wakeref(&dev_priv->runtime_pm, &p); } -} - -static void intel_scaler_info(struct seq_file *m, struct intel_crtc *intel_crtc) -{ - struct intel_crtc_state *pipe_config; - int num_scalers = intel_crtc->num_scalers; - int i; - - pipe_config = to_intel_crtc_state(intel_crtc->base.state); - - /* Not all platformas have a scaler */ - if (num_scalers) { - seq_printf(m, "\tnum_scalers=%d, scaler_users=%x scaler_id=%d", - num_scalers, - pipe_config->scaler_state.scaler_users, - pipe_config->scaler_state.scaler_id); - - for (i = 0; i < num_scalers; i++) { - struct intel_scaler *sc = - &pipe_config->scaler_state.scalers[i]; - - seq_printf(m, ", scalers[%d]: use=%s, mode=%x", - i, yesno(sc->in_use), sc->mode); - } - seq_puts(m, "\n"); - } else { - seq_puts(m, "\tNo scalers available on this platform\n"); - } -} - -static int i915_display_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_crtc *crtc; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - - intel_runtime_pm_get(dev_priv); - seq_printf(m, "CRTC info\n"); - seq_printf(m, "---------\n"); - for_each_intel_crtc(dev, crtc) { - struct intel_crtc_state *pipe_config; - - drm_modeset_lock(&crtc->base.mutex, NULL); - pipe_config = to_intel_crtc_state(crtc->base.state); - - seq_printf(m, "CRTC %d: pipe: %c, active=%s, (size=%dx%d), dither=%s, bpp=%d\n", - crtc->base.base.id, pipe_name(crtc->pipe), - yesno(pipe_config->base.active), - pipe_config->pipe_src_w, pipe_config->pipe_src_h, - yesno(pipe_config->dither), pipe_config->pipe_bpp); - - if (pipe_config->base.active) { - struct intel_plane *cursor = - to_intel_plane(crtc->base.cursor); - - intel_crtc_info(m, crtc); - - seq_printf(m, "\tcursor visible? %s, position (%d, %d), size %dx%d, addr 0x%08x\n", - yesno(cursor->base.state->visible), - cursor->base.state->crtc_x, - cursor->base.state->crtc_y, - cursor->base.state->crtc_w, - cursor->base.state->crtc_h, - cursor->cursor.base); - intel_scaler_info(m, crtc); - intel_plane_info(m, crtc); - } - - seq_printf(m, "\tunderrun reporting: cpu=%s pch=%s \n", - yesno(!crtc->cpu_fifo_underrun_disabled), - yesno(!crtc->pch_fifo_underrun_disabled)); - drm_modeset_unlock(&crtc->base.mutex); - } - - seq_printf(m, "\n"); - seq_printf(m, "Connector info\n"); - seq_printf(m, "--------------\n"); - mutex_lock(&dev->mode_config.mutex); - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) - intel_connector_info(m, connector); - drm_connector_list_iter_end(&conn_iter); - mutex_unlock(&dev->mode_config.mutex); - - intel_runtime_pm_put(dev_priv); return 0; } static int i915_engine_info(struct seq_file *m, void *unused) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct intel_engine_cs *engine; - enum intel_engine_id id; - - intel_runtime_pm_get(dev_priv); - - seq_printf(m, "GT awake? %s\n", - yesno(dev_priv->gt.awake)); - seq_printf(m, "Global active requests: %d\n", - dev_priv->gt.active_requests); - - for_each_engine(engine, dev_priv, id) { - struct intel_breadcrumbs *b = &engine->breadcrumbs; - struct drm_i915_gem_request *rq; - struct rb_node *rb; - u64 addr; - - seq_printf(m, "%s\n", engine->name); - seq_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms], inflight %d\n", - intel_engine_get_seqno(engine), - intel_engine_last_submit(engine), - engine->hangcheck.seqno, - jiffies_to_msecs(jiffies - engine->hangcheck.action_timestamp), - engine->timeline->inflight_seqnos); - - rcu_read_lock(); - - seq_printf(m, "\tRequests:\n"); - - rq = list_first_entry(&engine->timeline->requests, - struct drm_i915_gem_request, link); - if (&rq->link != &engine->timeline->requests) - print_request(m, rq, "\t\tfirst "); - - rq = list_last_entry(&engine->timeline->requests, - struct drm_i915_gem_request, link); - if (&rq->link != &engine->timeline->requests) - print_request(m, rq, "\t\tlast "); - - rq = i915_gem_find_active_request(engine); - if (rq) { - print_request(m, rq, "\t\tactive "); - seq_printf(m, - "\t\t[head %04x, postfix %04x, tail %04x, batch 0x%08x_%08x]\n", - rq->head, rq->postfix, rq->tail, - rq->batch ? upper_32_bits(rq->batch->node.start) : ~0u, - rq->batch ? lower_32_bits(rq->batch->node.start) : ~0u); - } - - seq_printf(m, "\tRING_START: 0x%08x [0x%08x]\n", - I915_READ(RING_START(engine->mmio_base)), - rq ? i915_ggtt_offset(rq->ring->vma) : 0); - seq_printf(m, "\tRING_HEAD: 0x%08x [0x%08x]\n", - I915_READ(RING_HEAD(engine->mmio_base)) & HEAD_ADDR, - rq ? rq->ring->head : 0); - seq_printf(m, "\tRING_TAIL: 0x%08x [0x%08x]\n", - I915_READ(RING_TAIL(engine->mmio_base)) & TAIL_ADDR, - rq ? rq->ring->tail : 0); - seq_printf(m, "\tRING_CTL: 0x%08x [%s]\n", - I915_READ(RING_CTL(engine->mmio_base)), - I915_READ(RING_CTL(engine->mmio_base)) & (RING_WAIT | RING_WAIT_SEMAPHORE) ? "waiting" : ""); - - rcu_read_unlock(); - - addr = intel_engine_get_active_head(engine); - seq_printf(m, "\tACTHD: 0x%08x_%08x\n", - upper_32_bits(addr), lower_32_bits(addr)); - addr = intel_engine_get_last_batch_head(engine); - seq_printf(m, "\tBBADDR: 0x%08x_%08x\n", - upper_32_bits(addr), lower_32_bits(addr)); - - if (i915.enable_execlists) { - u32 ptr, read, write; - unsigned int idx; - - seq_printf(m, "\tExeclist status: 0x%08x %08x\n", - I915_READ(RING_EXECLIST_STATUS_LO(engine)), - I915_READ(RING_EXECLIST_STATUS_HI(engine))); - - ptr = I915_READ(RING_CONTEXT_STATUS_PTR(engine)); - read = GEN8_CSB_READ_PTR(ptr); - write = GEN8_CSB_WRITE_PTR(ptr); - seq_printf(m, "\tExeclist CSB read %d, write %d\n", - read, write); - if (read >= GEN8_CSB_ENTRIES) - read = 0; - if (write >= GEN8_CSB_ENTRIES) - write = 0; - if (read > write) - write += GEN8_CSB_ENTRIES; - while (read < write) { - idx = ++read % GEN8_CSB_ENTRIES; - seq_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n", - idx, - I915_READ(RING_CONTEXT_STATUS_BUF_LO(engine, idx)), - I915_READ(RING_CONTEXT_STATUS_BUF_HI(engine, idx))); - } - - rcu_read_lock(); - for (idx = 0; idx < ARRAY_SIZE(engine->execlist_port); idx++) { - unsigned int count; - - rq = port_unpack(&engine->execlist_port[idx], - &count); - if (rq) { - seq_printf(m, "\t\tELSP[%d] count=%d, ", - idx, count); - print_request(m, rq, "rq: "); - } else { - seq_printf(m, "\t\tELSP[%d] idle\n", - idx); - } - } - rcu_read_unlock(); - - spin_lock_irq(&engine->timeline->lock); - for (rb = engine->execlist_first; rb; rb = rb_next(rb)){ - struct i915_priolist *p = - rb_entry(rb, typeof(*p), node); - - list_for_each_entry(rq, &p->requests, - priotree.link) - print_request(m, rq, "\t\tQ "); - } - spin_unlock_irq(&engine->timeline->lock); - } else if (INTEL_GEN(dev_priv) > 6) { - seq_printf(m, "\tPP_DIR_BASE: 0x%08x\n", - I915_READ(RING_PP_DIR_BASE(engine))); - seq_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n", - I915_READ(RING_PP_DIR_BASE_READ(engine))); - seq_printf(m, "\tPP_DIR_DCLV: 0x%08x\n", - I915_READ(RING_PP_DIR_DCLV(engine))); - } - - spin_lock_irq(&b->rb_lock); - for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) { - struct intel_wait *w = rb_entry(rb, typeof(*w), node); - - seq_printf(m, "\t%s [%d] waiting for %x\n", - w->tsk->comm, w->tsk->pid, w->seqno); - } - spin_unlock_irq(&b->rb_lock); - - seq_puts(m, "\n"); - } - - intel_runtime_pm_put(dev_priv); - - return 0; -} - -static int i915_semaphore_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; + struct drm_i915_private *i915 = node_to_i915(m->private); struct intel_engine_cs *engine; - int num_rings = INTEL_INFO(dev_priv)->num_rings; - enum intel_engine_id id; - int j, ret; - - if (!i915.semaphores) { - seq_puts(m, "Semaphores are disabled\n"); - return 0; - } - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - intel_runtime_pm_get(dev_priv); - - if (IS_BROADWELL(dev_priv)) { - struct page *page; - uint64_t *seqno; - - page = i915_gem_object_get_page(dev_priv->semaphore->obj, 0); - - seqno = (uint64_t *)kmap_atomic(page); - for_each_engine(engine, dev_priv, id) { - uint64_t offset; - - seq_printf(m, "%s\n", engine->name); - - seq_puts(m, " Last signal:"); - for (j = 0; j < num_rings; j++) { - offset = id * I915_NUM_ENGINES + j; - seq_printf(m, "0x%08llx (0x%02llx) ", - seqno[offset], offset * 8); - } - seq_putc(m, '\n'); - - seq_puts(m, " Last wait: "); - for (j = 0; j < num_rings; j++) { - offset = id + (j * I915_NUM_ENGINES); - seq_printf(m, "0x%08llx (0x%02llx) ", - seqno[offset], offset * 8); - } - seq_putc(m, '\n'); + intel_wakeref_t wakeref; + struct drm_printer p; - } - kunmap_atomic(seqno); - } else { - seq_puts(m, " Last signal:"); - for_each_engine(engine, dev_priv, id) - for (j = 0; j < num_rings; j++) - seq_printf(m, "0x%08x\n", - I915_READ(engine->semaphore.mbox.signal[j])); - seq_putc(m, '\n'); - } + wakeref = intel_runtime_pm_get(&i915->runtime_pm); - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev->struct_mutex); - return 0; -} + seq_printf(m, "GT awake? %s [%d], %llums\n", + str_yes_no(to_gt(i915)->awake), + atomic_read(&to_gt(i915)->wakeref.count), + ktime_to_ms(intel_gt_get_awake_time(to_gt(i915)))); + seq_printf(m, "CS timestamp frequency: %u Hz, %d ns\n", + to_gt(i915)->clock_frequency, + to_gt(i915)->clock_period_ns); -static int i915_shared_dplls_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - int i; + p = drm_seq_file_printer(m); + for_each_uabi_engine(engine, i915) + intel_engine_dump(engine, &p, "%s\n", engine->name); - drm_modeset_lock_all(dev); - for (i = 0; i < dev_priv->num_shared_dpll; i++) { - struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; + intel_gt_show_timelines(to_gt(i915), &p, i915_request_show_with_schedule); - seq_printf(m, "DPLL%i: %s, id: %i\n", i, pll->name, pll->id); - seq_printf(m, " crtc_mask: 0x%08x, active: 0x%x, on: %s\n", - pll->state.crtc_mask, pll->active_mask, yesno(pll->on)); - seq_printf(m, " tracked hardware state:\n"); - seq_printf(m, " dpll: 0x%08x\n", pll->state.hw_state.dpll); - seq_printf(m, " dpll_md: 0x%08x\n", - pll->state.hw_state.dpll_md); - seq_printf(m, " fp0: 0x%08x\n", pll->state.hw_state.fp0); - seq_printf(m, " fp1: 0x%08x\n", pll->state.hw_state.fp1); - seq_printf(m, " wrpll: 0x%08x\n", pll->state.hw_state.wrpll); - } - drm_modeset_unlock_all(dev); + intel_runtime_pm_put(&i915->runtime_pm, wakeref); return 0; } static int i915_wa_registers(struct seq_file *m, void *unused) { - int i; - int ret; + struct drm_i915_private *i915 = node_to_i915(m->private); struct intel_engine_cs *engine; - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct i915_workarounds *workarounds = &dev_priv->workarounds; - enum intel_engine_id id; - - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - - intel_runtime_pm_get(dev_priv); - - seq_printf(m, "Workarounds applied: %d\n", workarounds->count); - for_each_engine(engine, dev_priv, id) - seq_printf(m, "HW whitelist count for %s: %d\n", - engine->name, workarounds->hw_whitelist_count[id]); - for (i = 0; i < workarounds->count; ++i) { - i915_reg_t addr; - u32 mask, value, read; - bool ok; - - addr = workarounds->reg[i].addr; - mask = workarounds->reg[i].mask; - value = workarounds->reg[i].value; - read = I915_READ(addr); - ok = (value & mask) == (read & mask); - seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X, read: 0x%08x, status: %s\n", - i915_mmio_reg_offset(addr), value, mask, read, ok ? "OK" : "FAIL"); - } - - intel_runtime_pm_put(dev_priv); - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -static int i915_ddb_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct skl_ddb_allocation *ddb; - struct skl_ddb_entry *entry; - enum pipe pipe; - int plane; - - if (INTEL_GEN(dev_priv) < 9) - return 0; - - drm_modeset_lock_all(dev); - - ddb = &dev_priv->wm.skl_hw.ddb; - - seq_printf(m, "%-15s%8s%8s%8s\n", "", "Start", "End", "Size"); - - for_each_pipe(dev_priv, pipe) { - seq_printf(m, "Pipe %c\n", pipe_name(pipe)); - - for_each_universal_plane(dev_priv, pipe, plane) { - entry = &ddb->plane[pipe][plane]; - seq_printf(m, " Plane%-8d%8u%8u%8u\n", plane + 1, - entry->start, entry->end, - skl_ddb_entry_size(entry)); - } - - entry = &ddb->plane[pipe][PLANE_CURSOR]; - seq_printf(m, " %-13s%8u%8u%8u\n", "Cursor", entry->start, - entry->end, skl_ddb_entry_size(entry)); - } - - drm_modeset_unlock_all(dev); - - return 0; -} - -static void drrs_status_per_crtc(struct seq_file *m, - struct drm_device *dev, - struct intel_crtc *intel_crtc) -{ - struct drm_i915_private *dev_priv = to_i915(dev); - struct i915_drrs *drrs = &dev_priv->drrs; - int vrefresh = 0; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->state->crtc != &intel_crtc->base) - continue; - - seq_printf(m, "%s:\n", connector->name); - } - drm_connector_list_iter_end(&conn_iter); - - if (dev_priv->vbt.drrs_type == STATIC_DRRS_SUPPORT) - seq_puts(m, "\tVBT: DRRS_type: Static"); - else if (dev_priv->vbt.drrs_type == SEAMLESS_DRRS_SUPPORT) - seq_puts(m, "\tVBT: DRRS_type: Seamless"); - else if (dev_priv->vbt.drrs_type == DRRS_NOT_SUPPORTED) - seq_puts(m, "\tVBT: DRRS_type: None"); - else - seq_puts(m, "\tVBT: DRRS_type: FIXME: Unrecognized Value"); - - seq_puts(m, "\n\n"); - - if (to_intel_crtc_state(intel_crtc->base.state)->has_drrs) { - struct intel_panel *panel; - - mutex_lock(&drrs->mutex); - /* DRRS Supported */ - seq_puts(m, "\tDRRS Supported: Yes\n"); - - /* disable_drrs() will make drrs->dp NULL */ - if (!drrs->dp) { - seq_puts(m, "Idleness DRRS: Disabled"); - mutex_unlock(&drrs->mutex); - return; - } - - panel = &drrs->dp->attached_connector->panel; - seq_printf(m, "\t\tBusy_frontbuffer_bits: 0x%X", - drrs->busy_frontbuffer_bits); - - seq_puts(m, "\n\t\t"); - if (drrs->refresh_rate_type == DRRS_HIGH_RR) { - seq_puts(m, "DRRS_State: DRRS_HIGH_RR\n"); - vrefresh = panel->fixed_mode->vrefresh; - } else if (drrs->refresh_rate_type == DRRS_LOW_RR) { - seq_puts(m, "DRRS_State: DRRS_LOW_RR\n"); - vrefresh = panel->downclock_mode->vrefresh; - } else { - seq_printf(m, "DRRS_State: Unknown(%d)\n", - drrs->refresh_rate_type); - mutex_unlock(&drrs->mutex); - return; - } - seq_printf(m, "\t\tVrefresh: %d", vrefresh); - - seq_puts(m, "\n\t\t"); - mutex_unlock(&drrs->mutex); - } else { - /* DRRS not supported. Print the VBT parameter*/ - seq_puts(m, "\tDRRS Supported : No"); - } - seq_puts(m, "\n"); -} - -static int i915_drrs_status(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_crtc *intel_crtc; - int active_crtc_cnt = 0; - - drm_modeset_lock_all(dev); - for_each_intel_crtc(dev, intel_crtc) { - if (intel_crtc->base.state->active) { - active_crtc_cnt++; - seq_printf(m, "\nCRTC %d: ", active_crtc_cnt); - - drrs_status_per_crtc(m, dev, intel_crtc); - } - } - drm_modeset_unlock_all(dev); - - if (!active_crtc_cnt) - seq_puts(m, "No active crtc found\n"); - - return 0; -} - -static int i915_dp_mst_info(struct seq_file *m, void *unused) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct drm_device *dev = &dev_priv->drm; - struct intel_encoder *intel_encoder; - struct intel_digital_port *intel_dig_port; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) - continue; - - intel_encoder = intel_attached_encoder(connector); - if (!intel_encoder || intel_encoder->type == INTEL_OUTPUT_DP_MST) - continue; - - intel_dig_port = enc_to_dig_port(&intel_encoder->base); - if (!intel_dig_port->dp.can_mst) - continue; - - seq_printf(m, "MST Source Port %c\n", - port_name(intel_dig_port->port)); - drm_dp_mst_dump_topology(m, &intel_dig_port->dp.mst_mgr); - } - drm_connector_list_iter_end(&conn_iter); - - return 0; -} - -static ssize_t i915_displayport_test_active_write(struct file *file, - const char __user *ubuf, - size_t len, loff_t *offp) -{ - char *input_buffer; - int status = 0; - struct drm_device *dev; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - struct intel_dp *intel_dp; - int val = 0; - - dev = ((struct seq_file *)file->private_data)->private; - - if (len == 0) - return 0; - - input_buffer = memdup_user_nul(ubuf, len); - if (IS_ERR(input_buffer)) - return PTR_ERR(input_buffer); - - DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len); - - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->connector_type != - DRM_MODE_CONNECTOR_DisplayPort) - continue; - - if (connector->status == connector_status_connected && - connector->encoder != NULL) { - intel_dp = enc_to_intel_dp(connector->encoder); - status = kstrtoint(input_buffer, 10, &val); - if (status < 0) - break; - DRM_DEBUG_DRIVER("Got %d for test active\n", val); - /* To prevent erroneous activation of the compliance - * testing code, only accept an actual value of 1 here - */ - if (val == 1) - intel_dp->compliance.test_active = 1; - else - intel_dp->compliance.test_active = 0; - } - } - drm_connector_list_iter_end(&conn_iter); - kfree(input_buffer); - if (status < 0) - return status; - - *offp += len; - return len; -} - -static int i915_displayport_test_active_show(struct seq_file *m, void *data) -{ - struct drm_device *dev = m->private; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - struct intel_dp *intel_dp; - - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->connector_type != - DRM_MODE_CONNECTOR_DisplayPort) - continue; - - if (connector->status == connector_status_connected && - connector->encoder != NULL) { - intel_dp = enc_to_intel_dp(connector->encoder); - if (intel_dp->compliance.test_active) - seq_puts(m, "1"); - else - seq_puts(m, "0"); - } else - seq_puts(m, "0"); - } - drm_connector_list_iter_end(&conn_iter); - - return 0; -} - -static int i915_displayport_test_active_open(struct inode *inode, - struct file *file) -{ - struct drm_i915_private *dev_priv = inode->i_private; - - return single_open(file, i915_displayport_test_active_show, - &dev_priv->drm); -} -static const struct file_operations i915_displayport_test_active_fops = { - .owner = THIS_MODULE, - .open = i915_displayport_test_active_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = i915_displayport_test_active_write -}; - -static int i915_displayport_test_data_show(struct seq_file *m, void *data) -{ - struct drm_device *dev = m->private; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - struct intel_dp *intel_dp; + for_each_uabi_engine(engine, i915) { + const struct i915_wa_list *wal = &engine->ctx_wa_list; + const struct i915_wa *wa; + unsigned int count; - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->connector_type != - DRM_MODE_CONNECTOR_DisplayPort) + count = wal->count; + if (!count) continue; - if (connector->status == connector_status_connected && - connector->encoder != NULL) { - intel_dp = enc_to_intel_dp(connector->encoder); - if (intel_dp->compliance.test_type == - DP_TEST_LINK_EDID_READ) - seq_printf(m, "%lx", - intel_dp->compliance.test_data.edid); - else if (intel_dp->compliance.test_type == - DP_TEST_LINK_VIDEO_PATTERN) { - seq_printf(m, "hdisplay: %d\n", - intel_dp->compliance.test_data.hdisplay); - seq_printf(m, "vdisplay: %d\n", - intel_dp->compliance.test_data.vdisplay); - seq_printf(m, "bpc: %u\n", - intel_dp->compliance.test_data.bpc); - } - } else - seq_puts(m, "0"); - } - drm_connector_list_iter_end(&conn_iter); + seq_printf(m, "%s: Workarounds applied: %u\n", + engine->name, count); - return 0; -} -static int i915_displayport_test_data_open(struct inode *inode, - struct file *file) -{ - struct drm_i915_private *dev_priv = inode->i_private; + for (wa = wal->list; count--; wa++) + seq_printf(m, "0x%X: 0x%08X, mask: 0x%08X\n", + i915_mmio_reg_offset(wa->reg), + wa->set, wa->clr); - return single_open(file, i915_displayport_test_data_show, - &dev_priv->drm); -} - -static const struct file_operations i915_displayport_test_data_fops = { - .owner = THIS_MODULE, - .open = i915_displayport_test_data_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release -}; - -static int i915_displayport_test_type_show(struct seq_file *m, void *data) -{ - struct drm_device *dev = m->private; - struct drm_connector *connector; - struct drm_connector_list_iter conn_iter; - struct intel_dp *intel_dp; - - drm_connector_list_iter_begin(dev, &conn_iter); - drm_for_each_connector_iter(connector, &conn_iter) { - if (connector->connector_type != - DRM_MODE_CONNECTOR_DisplayPort) - continue; - - if (connector->status == connector_status_connected && - connector->encoder != NULL) { - intel_dp = enc_to_intel_dp(connector->encoder); - seq_printf(m, "%02lx", intel_dp->compliance.test_type); - } else - seq_puts(m, "0"); + seq_printf(m, "\n"); } - drm_connector_list_iter_end(&conn_iter); return 0; } -static int i915_displayport_test_type_open(struct inode *inode, - struct file *file) +static int i915_wedged_get(void *data, u64 *val) { - struct drm_i915_private *dev_priv = inode->i_private; - - return single_open(file, i915_displayport_test_type_show, - &dev_priv->drm); -} - -static const struct file_operations i915_displayport_test_type_fops = { - .owner = THIS_MODULE, - .open = i915_displayport_test_type_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release -}; - -static void wm_latency_show(struct seq_file *m, const uint16_t wm[8]) -{ - struct drm_i915_private *dev_priv = m->private; - struct drm_device *dev = &dev_priv->drm; - int level; - int num_levels; - - if (IS_CHERRYVIEW(dev_priv)) - num_levels = 3; - else if (IS_VALLEYVIEW(dev_priv)) - num_levels = 1; - else if (IS_G4X(dev_priv)) - num_levels = 3; - else - num_levels = ilk_wm_max_level(dev_priv) + 1; + struct drm_i915_private *i915 = data; + struct intel_gt *gt; + unsigned int i; - drm_modeset_lock_all(dev); + *val = 0; - for (level = 0; level < num_levels; level++) { - unsigned int latency = wm[level]; + for_each_gt(gt, i915, i) { + int ret; - /* - * - WM1+ latency values in 0.5us units - * - latencies are in us on gen9/vlv/chv - */ - if (INTEL_GEN(dev_priv) >= 9 || - IS_VALLEYVIEW(dev_priv) || - IS_CHERRYVIEW(dev_priv) || - IS_G4X(dev_priv)) - latency *= 10; - else if (level > 0) - latency *= 5; + ret = intel_gt_debugfs_reset_show(gt, val); + if (ret) + return ret; - seq_printf(m, "WM%d %u (%u.%u usec)\n", - level, wm[level], latency / 10, latency % 10); + /* at least one tile should be wedged */ + if (*val) + break; } - drm_modeset_unlock_all(dev); -} - -static int pri_wm_latency_show(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = m->private; - const uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.pri_latency; - - wm_latency_show(m, latencies); - - return 0; -} - -static int spr_wm_latency_show(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = m->private; - const uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.spr_latency; - - wm_latency_show(m, latencies); - - return 0; -} - -static int cur_wm_latency_show(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = m->private; - const uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.cur_latency; - - wm_latency_show(m, latencies); - - return 0; -} - -static int pri_wm_latency_open(struct inode *inode, struct file *file) -{ - struct drm_i915_private *dev_priv = inode->i_private; - - if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) - return -ENODEV; - - return single_open(file, pri_wm_latency_show, dev_priv); -} - -static int spr_wm_latency_open(struct inode *inode, struct file *file) -{ - struct drm_i915_private *dev_priv = inode->i_private; - - if (HAS_GMCH_DISPLAY(dev_priv)) - return -ENODEV; - - return single_open(file, spr_wm_latency_show, dev_priv); -} - -static int cur_wm_latency_open(struct inode *inode, struct file *file) -{ - struct drm_i915_private *dev_priv = inode->i_private; - - if (HAS_GMCH_DISPLAY(dev_priv)) - return -ENODEV; - - return single_open(file, cur_wm_latency_show, dev_priv); -} - -static ssize_t wm_latency_write(struct file *file, const char __user *ubuf, - size_t len, loff_t *offp, uint16_t wm[8]) -{ - struct seq_file *m = file->private_data; - struct drm_i915_private *dev_priv = m->private; - struct drm_device *dev = &dev_priv->drm; - uint16_t new[8] = { 0 }; - int num_levels; - int level; - int ret; - char tmp[32]; - - if (IS_CHERRYVIEW(dev_priv)) - num_levels = 3; - else if (IS_VALLEYVIEW(dev_priv)) - num_levels = 1; - else if (IS_G4X(dev_priv)) - num_levels = 3; - else - num_levels = ilk_wm_max_level(dev_priv) + 1; - - if (len >= sizeof(tmp)) - return -EINVAL; - - if (copy_from_user(tmp, ubuf, len)) - return -EFAULT; - - tmp[len] = '\0'; - - ret = sscanf(tmp, "%hu %hu %hu %hu %hu %hu %hu %hu", - &new[0], &new[1], &new[2], &new[3], - &new[4], &new[5], &new[6], &new[7]); - if (ret != num_levels) - return -EINVAL; - - drm_modeset_lock_all(dev); - - for (level = 0; level < num_levels; level++) - wm[level] = new[level]; - - drm_modeset_unlock_all(dev); - - return len; -} - - -static ssize_t pri_wm_latency_write(struct file *file, const char __user *ubuf, - size_t len, loff_t *offp) -{ - struct seq_file *m = file->private_data; - struct drm_i915_private *dev_priv = m->private; - uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.pri_latency; - - return wm_latency_write(file, ubuf, len, offp, latencies); -} - -static ssize_t spr_wm_latency_write(struct file *file, const char __user *ubuf, - size_t len, loff_t *offp) -{ - struct seq_file *m = file->private_data; - struct drm_i915_private *dev_priv = m->private; - uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.spr_latency; - - return wm_latency_write(file, ubuf, len, offp, latencies); -} - -static ssize_t cur_wm_latency_write(struct file *file, const char __user *ubuf, - size_t len, loff_t *offp) -{ - struct seq_file *m = file->private_data; - struct drm_i915_private *dev_priv = m->private; - uint16_t *latencies; - - if (INTEL_GEN(dev_priv) >= 9) - latencies = dev_priv->wm.skl_latency; - else - latencies = dev_priv->wm.cur_latency; - - return wm_latency_write(file, ubuf, len, offp, latencies); -} - -static const struct file_operations i915_pri_wm_latency_fops = { - .owner = THIS_MODULE, - .open = pri_wm_latency_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = pri_wm_latency_write -}; - -static const struct file_operations i915_spr_wm_latency_fops = { - .owner = THIS_MODULE, - .open = spr_wm_latency_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = spr_wm_latency_write -}; - -static const struct file_operations i915_cur_wm_latency_fops = { - .owner = THIS_MODULE, - .open = cur_wm_latency_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = cur_wm_latency_write -}; - -static int -i915_wedged_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - *val = i915_terminally_wedged(&dev_priv->gpu_error); - return 0; } -static int -i915_wedged_set(void *data, u64 val) +static int i915_wedged_set(void *data, u64 val) { struct drm_i915_private *i915 = data; - struct intel_engine_cs *engine; - unsigned int tmp; - - /* - * There is no safeguard against this debugfs entry colliding - * with the hangcheck calling same i915_handle_error() in - * parallel, causing an explosion. For now we assume that the - * test harness is responsible enough not to inject gpu hangs - * while it is writing to 'i915_wedged' - */ - - if (i915_reset_backoff(&i915->gpu_error)) - return -EAGAIN; + struct intel_gt *gt; + unsigned int i; - for_each_engine_masked(engine, i915, val, tmp) { - engine->hangcheck.seqno = intel_engine_get_seqno(engine); - engine->hangcheck.stalled = true; - } - - i915_handle_error(i915, val, "Manually setting wedged to %llu", val); - - wait_on_bit(&i915->gpu_error.flags, - I915_RESET_HANDOFF, - TASK_UNINTERRUPTIBLE); + for_each_gt(gt, i915, i) + intel_gt_debugfs_reset_store(gt, val); return 0; } @@ -4208,94 +529,55 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, "%llu\n"); static int -fault_irq_set(struct drm_i915_private *i915, - unsigned long *irq, - unsigned long val) -{ - int err; - - err = mutex_lock_interruptible(&i915->drm.struct_mutex); - if (err) - return err; - - err = i915_gem_wait_for_idle(i915, - I915_WAIT_LOCKED | - I915_WAIT_INTERRUPTIBLE); - if (err) - goto err_unlock; - - *irq = val; - mutex_unlock(&i915->drm.struct_mutex); - - /* Flush idle worker to disarm irq */ - while (flush_delayed_work(&i915->gt.idle_work)) - ; - - return 0; - -err_unlock: - mutex_unlock(&i915->drm.struct_mutex); - return err; -} - -static int -i915_ring_missed_irq_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - *val = dev_priv->gpu_error.missed_irq_rings; - return 0; -} - -static int -i915_ring_missed_irq_set(void *data, u64 val) +i915_perf_noa_delay_set(void *data, u64 val) { struct drm_i915_private *i915 = data; - return fault_irq_set(i915, &i915->gpu_error.missed_irq_rings, val); -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops, - i915_ring_missed_irq_get, i915_ring_missed_irq_set, - "0x%08llx\n"); - -static int -i915_ring_test_irq_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - *val = dev_priv->gpu_error.test_irq_rings; + /* + * This would lead to infinite waits as we're doing timestamp + * difference on the CS with only 32bits. + */ + if (intel_gt_ns_to_clock_interval(to_gt(i915), val) > U32_MAX) + return -EINVAL; + atomic64_set(&i915->perf.noa_programming_delay, val); return 0; } static int -i915_ring_test_irq_set(void *data, u64 val) +i915_perf_noa_delay_get(void *data, u64 *val) { struct drm_i915_private *i915 = data; - val &= INTEL_INFO(i915)->ring_mask; - DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val); - - return fault_irq_set(i915, &i915->gpu_error.test_irq_rings, val); + *val = atomic64_read(&i915->perf.noa_programming_delay); + return 0; } -DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops, - i915_ring_test_irq_get, i915_ring_test_irq_set, - "0x%08llx\n"); +DEFINE_SIMPLE_ATTRIBUTE(i915_perf_noa_delay_fops, + i915_perf_noa_delay_get, + i915_perf_noa_delay_set, + "%llu\n"); -#define DROP_UNBOUND 0x1 -#define DROP_BOUND 0x2 -#define DROP_RETIRE 0x4 -#define DROP_ACTIVE 0x8 -#define DROP_FREED 0x10 -#define DROP_SHRINK_ALL 0x20 +#define DROP_UNBOUND BIT(0) +#define DROP_BOUND BIT(1) +#define DROP_RETIRE BIT(2) +#define DROP_ACTIVE BIT(3) +#define DROP_FREED BIT(4) +#define DROP_SHRINK_ALL BIT(5) +#define DROP_IDLE BIT(6) +#define DROP_RESET_ACTIVE BIT(7) +#define DROP_RESET_SEQNO BIT(8) +#define DROP_RCU BIT(9) #define DROP_ALL (DROP_UNBOUND | \ DROP_BOUND | \ DROP_RETIRE | \ DROP_ACTIVE | \ DROP_FREED | \ - DROP_SHRINK_ALL) + DROP_SHRINK_ALL |\ + DROP_IDLE | \ + DROP_RESET_ACTIVE | \ + DROP_RESET_SEQNO | \ + DROP_RCU) static int i915_drop_caches_get(void *data, u64 *val) { @@ -4305,420 +587,110 @@ i915_drop_caches_get(void *data, u64 *val) } static int -i915_drop_caches_set(void *data, u64 val) +gt_drop_caches(struct intel_gt *gt, u64 val) { - struct drm_i915_private *dev_priv = data; - struct drm_device *dev = &dev_priv->drm; - int ret = 0; + int ret; + + if (val & DROP_RESET_ACTIVE && + wait_for(intel_engines_are_idle(gt), 200)) + intel_gt_set_wedged(gt); - DRM_DEBUG("Dropping caches: 0x%08llx\n", val); + if (val & DROP_RETIRE) + intel_gt_retire_requests(gt); - /* No need to check and wait for gpu resets, only libdrm auto-restarts - * on ioctls on -EAGAIN. */ - if (val & (DROP_ACTIVE | DROP_RETIRE)) { - ret = mutex_lock_interruptible(&dev->struct_mutex); + if (val & (DROP_IDLE | DROP_ACTIVE)) { + ret = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT); if (ret) return ret; - - if (val & DROP_ACTIVE) - ret = i915_gem_wait_for_idle(dev_priv, - I915_WAIT_INTERRUPTIBLE | - I915_WAIT_LOCKED); - - if (val & DROP_RETIRE) - i915_gem_retire_requests(dev_priv); - - mutex_unlock(&dev->struct_mutex); - } - - lockdep_set_current_reclaim_state(GFP_KERNEL); - if (val & DROP_BOUND) - i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_BOUND); - - if (val & DROP_UNBOUND) - i915_gem_shrink(dev_priv, LONG_MAX, I915_SHRINK_UNBOUND); - - if (val & DROP_SHRINK_ALL) - i915_gem_shrink_all(dev_priv); - lockdep_clear_current_reclaim_state(); - - if (val & DROP_FREED) { - synchronize_rcu(); - i915_gem_drain_freed_objects(dev_priv); } - return ret; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, - i915_drop_caches_get, i915_drop_caches_set, - "0x%08llx\n"); - -static int -i915_max_freq_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - if (INTEL_GEN(dev_priv) < 6) - return -ENODEV; - - *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit); - return 0; -} - -static int -i915_max_freq_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - u32 hw_max, hw_min; - int ret; - - if (INTEL_GEN(dev_priv) < 6) - return -ENODEV; - - DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val); - - ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); - if (ret) - return ret; - - /* - * Turbo will still be enabled, but won't go above the set value. - */ - val = intel_freq_opcode(dev_priv, val); - - hw_max = dev_priv->rps.max_freq; - hw_min = dev_priv->rps.min_freq; - - if (val < hw_min || val > hw_max || val < dev_priv->rps.min_freq_softlimit) { - mutex_unlock(&dev_priv->rps.hw_lock); - return -EINVAL; + if (val & DROP_IDLE) { + ret = intel_gt_pm_wait_for_idle(gt); + if (ret) + return ret; } - dev_priv->rps.max_freq_softlimit = val; + if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(gt)) + intel_gt_handle_error(gt, ALL_ENGINES, 0, NULL); - if (intel_set_rps(dev_priv, val)) - DRM_DEBUG_DRIVER("failed to update RPS to new softlimit\n"); - - mutex_unlock(&dev_priv->rps.hw_lock); + if (val & DROP_FREED) + intel_gt_flush_buffer_pool(gt); return 0; } -DEFINE_SIMPLE_ATTRIBUTE(i915_max_freq_fops, - i915_max_freq_get, i915_max_freq_set, - "%llu\n"); - static int -i915_min_freq_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - - if (INTEL_GEN(dev_priv) < 6) - return -ENODEV; - - *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit); - return 0; -} - -static int -i915_min_freq_set(void *data, u64 val) +i915_drop_caches_set(void *data, u64 val) { - struct drm_i915_private *dev_priv = data; - u32 hw_max, hw_min; + struct drm_i915_private *i915 = data; + struct intel_gt *gt; + unsigned int flags; + unsigned int i; int ret; - if (INTEL_GEN(dev_priv) < 6) - return -ENODEV; - - DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val); - - ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock); - if (ret) - return ret; - - /* - * Turbo will still be enabled, but won't go below the set value. - */ - val = intel_freq_opcode(dev_priv, val); - - hw_max = dev_priv->rps.max_freq; - hw_min = dev_priv->rps.min_freq; + drm_dbg(&i915->drm, "Dropping caches: 0x%08llx [0x%08llx]\n", + val, val & DROP_ALL); - if (val < hw_min || - val > hw_max || val > dev_priv->rps.max_freq_softlimit) { - mutex_unlock(&dev_priv->rps.hw_lock); - return -EINVAL; + for_each_gt(gt, i915, i) { + ret = gt_drop_caches(gt, val); + if (ret) + return ret; } - dev_priv->rps.min_freq_softlimit = val; - - if (intel_set_rps(dev_priv, val)) - DRM_DEBUG_DRIVER("failed to update RPS to new softlimit\n"); - - mutex_unlock(&dev_priv->rps.hw_lock); - - return 0; -} - -DEFINE_SIMPLE_ATTRIBUTE(i915_min_freq_fops, - i915_min_freq_get, i915_min_freq_set, - "%llu\n"); - -static int -i915_cache_sharing_get(void *data, u64 *val) -{ - struct drm_i915_private *dev_priv = data; - u32 snpcr; - - if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) - return -ENODEV; - - intel_runtime_pm_get(dev_priv); - - snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); - - intel_runtime_pm_put(dev_priv); - - *val = (snpcr & GEN6_MBC_SNPCR_MASK) >> GEN6_MBC_SNPCR_SHIFT; - - return 0; -} - -static int -i915_cache_sharing_set(void *data, u64 val) -{ - struct drm_i915_private *dev_priv = data; - u32 snpcr; + fs_reclaim_acquire(GFP_KERNEL); + flags = memalloc_noreclaim_save(); + if (val & DROP_BOUND) + i915_gem_shrink(NULL, i915, LONG_MAX, NULL, I915_SHRINK_BOUND); - if (!(IS_GEN6(dev_priv) || IS_GEN7(dev_priv))) - return -ENODEV; + if (val & DROP_UNBOUND) + i915_gem_shrink(NULL, i915, LONG_MAX, NULL, I915_SHRINK_UNBOUND); - if (val > 3) - return -EINVAL; + if (val & DROP_SHRINK_ALL) + i915_gem_shrink_all(i915); + memalloc_noreclaim_restore(flags); + fs_reclaim_release(GFP_KERNEL); - intel_runtime_pm_get(dev_priv); - DRM_DEBUG_DRIVER("Manually setting uncore sharing to %llu\n", val); + if (val & DROP_RCU) + rcu_barrier(); - /* Update the cache sharing policy here as well */ - snpcr = I915_READ(GEN6_MBCUNIT_SNPCR); - snpcr &= ~GEN6_MBC_SNPCR_MASK; - snpcr |= (val << GEN6_MBC_SNPCR_SHIFT); - I915_WRITE(GEN6_MBCUNIT_SNPCR, snpcr); + if (val & DROP_FREED) + i915_gem_drain_freed_objects(i915); - intel_runtime_pm_put(dev_priv); return 0; } -DEFINE_SIMPLE_ATTRIBUTE(i915_cache_sharing_fops, - i915_cache_sharing_get, i915_cache_sharing_set, - "%llu\n"); - -static void cherryview_sseu_device_status(struct drm_i915_private *dev_priv, - struct sseu_dev_info *sseu) -{ - int ss_max = 2; - int ss; - u32 sig1[ss_max], sig2[ss_max]; - - sig1[0] = I915_READ(CHV_POWER_SS0_SIG1); - sig1[1] = I915_READ(CHV_POWER_SS1_SIG1); - sig2[0] = I915_READ(CHV_POWER_SS0_SIG2); - sig2[1] = I915_READ(CHV_POWER_SS1_SIG2); - - for (ss = 0; ss < ss_max; ss++) { - unsigned int eu_cnt; - - if (sig1[ss] & CHV_SS_PG_ENABLE) - /* skip disabled subslice */ - continue; - - sseu->slice_mask = BIT(0); - sseu->subslice_mask |= BIT(ss); - eu_cnt = ((sig1[ss] & CHV_EU08_PG_ENABLE) ? 0 : 2) + - ((sig1[ss] & CHV_EU19_PG_ENABLE) ? 0 : 2) + - ((sig1[ss] & CHV_EU210_PG_ENABLE) ? 0 : 2) + - ((sig2[ss] & CHV_EU311_PG_ENABLE) ? 0 : 2); - sseu->eu_total += eu_cnt; - sseu->eu_per_subslice = max_t(unsigned int, - sseu->eu_per_subslice, eu_cnt); - } -} - -static void gen9_sseu_device_status(struct drm_i915_private *dev_priv, - struct sseu_dev_info *sseu) -{ - int s_max = 3, ss_max = 4; - int s, ss; - u32 s_reg[s_max], eu_reg[2*s_max], eu_mask[2]; - - /* BXT has a single slice and at most 3 subslices. */ - if (IS_GEN9_LP(dev_priv)) { - s_max = 1; - ss_max = 3; - } - - for (s = 0; s < s_max; s++) { - s_reg[s] = I915_READ(GEN9_SLICE_PGCTL_ACK(s)); - eu_reg[2*s] = I915_READ(GEN9_SS01_EU_PGCTL_ACK(s)); - eu_reg[2*s + 1] = I915_READ(GEN9_SS23_EU_PGCTL_ACK(s)); - } - - eu_mask[0] = GEN9_PGCTL_SSA_EU08_ACK | - GEN9_PGCTL_SSA_EU19_ACK | - GEN9_PGCTL_SSA_EU210_ACK | - GEN9_PGCTL_SSA_EU311_ACK; - eu_mask[1] = GEN9_PGCTL_SSB_EU08_ACK | - GEN9_PGCTL_SSB_EU19_ACK | - GEN9_PGCTL_SSB_EU210_ACK | - GEN9_PGCTL_SSB_EU311_ACK; - - for (s = 0; s < s_max; s++) { - if ((s_reg[s] & GEN9_PGCTL_SLICE_ACK) == 0) - /* skip disabled slice */ - continue; - - sseu->slice_mask |= BIT(s); - - if (IS_GEN9_BC(dev_priv)) - sseu->subslice_mask = - INTEL_INFO(dev_priv)->sseu.subslice_mask; - - for (ss = 0; ss < ss_max; ss++) { - unsigned int eu_cnt; - - if (IS_GEN9_LP(dev_priv)) { - if (!(s_reg[s] & (GEN9_PGCTL_SS_ACK(ss)))) - /* skip disabled subslice */ - continue; - - sseu->subslice_mask |= BIT(ss); - } - - eu_cnt = 2 * hweight32(eu_reg[2*s + ss/2] & - eu_mask[ss%2]); - sseu->eu_total += eu_cnt; - sseu->eu_per_subslice = max_t(unsigned int, - sseu->eu_per_subslice, - eu_cnt); - } - } -} - -static void broadwell_sseu_device_status(struct drm_i915_private *dev_priv, - struct sseu_dev_info *sseu) -{ - u32 slice_info = I915_READ(GEN8_GT_SLICE_INFO); - int s; - - sseu->slice_mask = slice_info & GEN8_LSLICESTAT_MASK; - - if (sseu->slice_mask) { - sseu->subslice_mask = INTEL_INFO(dev_priv)->sseu.subslice_mask; - sseu->eu_per_subslice = - INTEL_INFO(dev_priv)->sseu.eu_per_subslice; - sseu->eu_total = sseu->eu_per_subslice * - sseu_subslice_total(sseu); - - /* subtract fused off EU(s) from enabled slice(s) */ - for (s = 0; s < fls(sseu->slice_mask); s++) { - u8 subslice_7eu = - INTEL_INFO(dev_priv)->sseu.subslice_7eu[s]; - - sseu->eu_total -= hweight8(subslice_7eu); - } - } -} - -static void i915_print_sseu_info(struct seq_file *m, bool is_available_info, - const struct sseu_dev_info *sseu) -{ - struct drm_i915_private *dev_priv = node_to_i915(m->private); - const char *type = is_available_info ? "Available" : "Enabled"; - - seq_printf(m, " %s Slice Mask: %04x\n", type, - sseu->slice_mask); - seq_printf(m, " %s Slice Total: %u\n", type, - hweight8(sseu->slice_mask)); - seq_printf(m, " %s Subslice Total: %u\n", type, - sseu_subslice_total(sseu)); - seq_printf(m, " %s Subslice Mask: %04x\n", type, - sseu->subslice_mask); - seq_printf(m, " %s Subslice Per Slice: %u\n", type, - hweight8(sseu->subslice_mask)); - seq_printf(m, " %s EU Total: %u\n", type, - sseu->eu_total); - seq_printf(m, " %s EU Per Subslice: %u\n", type, - sseu->eu_per_subslice); - - if (!is_available_info) - return; - - seq_printf(m, " Has Pooled EU: %s\n", yesno(HAS_POOLED_EU(dev_priv))); - if (HAS_POOLED_EU(dev_priv)) - seq_printf(m, " Min EU in pool: %u\n", sseu->min_eu_in_pool); - - seq_printf(m, " Has Slice Power Gating: %s\n", - yesno(sseu->has_slice_pg)); - seq_printf(m, " Has Subslice Power Gating: %s\n", - yesno(sseu->has_subslice_pg)); - seq_printf(m, " Has EU Power Gating: %s\n", - yesno(sseu->has_eu_pg)); -} +DEFINE_SIMPLE_ATTRIBUTE(i915_drop_caches_fops, + i915_drop_caches_get, i915_drop_caches_set, + "0x%08llx\n"); static int i915_sseu_status(struct seq_file *m, void *unused) { - struct drm_i915_private *dev_priv = node_to_i915(m->private); - struct sseu_dev_info sseu; - - if (INTEL_GEN(dev_priv) < 8) - return -ENODEV; - - seq_puts(m, "SSEU Device Info\n"); - i915_print_sseu_info(m, true, &INTEL_INFO(dev_priv)->sseu); - - seq_puts(m, "SSEU Device Status\n"); - memset(&sseu, 0, sizeof(sseu)); - - intel_runtime_pm_get(dev_priv); - - if (IS_CHERRYVIEW(dev_priv)) { - cherryview_sseu_device_status(dev_priv, &sseu); - } else if (IS_BROADWELL(dev_priv)) { - broadwell_sseu_device_status(dev_priv, &sseu); - } else if (INTEL_GEN(dev_priv) >= 9) { - gen9_sseu_device_status(dev_priv, &sseu); - } - - intel_runtime_pm_put(dev_priv); - - i915_print_sseu_info(m, false, &sseu); + struct drm_i915_private *i915 = node_to_i915(m->private); + struct intel_gt *gt = to_gt(i915); - return 0; + return intel_sseu_status(m, gt); } static int i915_forcewake_open(struct inode *inode, struct file *file) { - struct drm_i915_private *dev_priv = inode->i_private; - - if (INTEL_GEN(dev_priv) < 6) - return 0; + struct drm_i915_private *i915 = inode->i_private; + struct intel_gt *gt; + unsigned int i; - intel_runtime_pm_get(dev_priv); - intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); + for_each_gt(gt, i915, i) + intel_gt_pm_debugfs_forcewake_user_open(gt); return 0; } static int i915_forcewake_release(struct inode *inode, struct file *file) { - struct drm_i915_private *dev_priv = inode->i_private; - - if (INTEL_GEN(dev_priv) < 6) - return 0; + struct drm_i915_private *i915 = inode->i_private; + struct intel_gt *gt; + unsigned int i; - intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - intel_runtime_pm_put(dev_priv); + for_each_gt(gt, i915, i) + intel_gt_pm_debugfs_forcewake_user_release(gt); return 0; } @@ -4729,328 +701,45 @@ static const struct file_operations i915_forcewake_fops = { .release = i915_forcewake_release, }; -static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data) -{ - struct drm_i915_private *dev_priv = m->private; - struct i915_hotplug *hotplug = &dev_priv->hotplug; - - seq_printf(m, "Threshold: %d\n", hotplug->hpd_storm_threshold); - seq_printf(m, "Detected: %s\n", - yesno(delayed_work_pending(&hotplug->reenable_work))); - - return 0; -} - -static ssize_t i915_hpd_storm_ctl_write(struct file *file, - const char __user *ubuf, size_t len, - loff_t *offp) -{ - struct seq_file *m = file->private_data; - struct drm_i915_private *dev_priv = m->private; - struct i915_hotplug *hotplug = &dev_priv->hotplug; - unsigned int new_threshold; - int i; - char *newline; - char tmp[16]; - - if (len >= sizeof(tmp)) - return -EINVAL; - - if (copy_from_user(tmp, ubuf, len)) - return -EFAULT; - - tmp[len] = '\0'; - - /* Strip newline, if any */ - newline = strchr(tmp, '\n'); - if (newline) - *newline = '\0'; - - if (strcmp(tmp, "reset") == 0) - new_threshold = HPD_STORM_DEFAULT_THRESHOLD; - else if (kstrtouint(tmp, 10, &new_threshold) != 0) - return -EINVAL; - - if (new_threshold > 0) - DRM_DEBUG_KMS("Setting HPD storm detection threshold to %d\n", - new_threshold); - else - DRM_DEBUG_KMS("Disabling HPD storm detection\n"); - - spin_lock_irq(&dev_priv->irq_lock); - hotplug->hpd_storm_threshold = new_threshold; - /* Reset the HPD storm stats so we don't accidentally trigger a storm */ - for_each_hpd_pin(i) - hotplug->stats[i].count = 0; - spin_unlock_irq(&dev_priv->irq_lock); - - /* Re-enable hpd immediately if we were in an irq storm */ - flush_delayed_work(&dev_priv->hotplug.reenable_work); - - return len; -} - -static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file) -{ - return single_open(file, i915_hpd_storm_ctl_show, inode->i_private); -} - -static const struct file_operations i915_hpd_storm_ctl_fops = { - .owner = THIS_MODULE, - .open = i915_hpd_storm_ctl_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = i915_hpd_storm_ctl_write -}; - static const struct drm_info_list i915_debugfs_list[] = { {"i915_capabilities", i915_capabilities, 0}, {"i915_gem_objects", i915_gem_object_info, 0}, - {"i915_gem_gtt", i915_gem_gtt_info, 0}, - {"i915_gem_pin_display", i915_gem_gtt_info, 0, (void *)1}, - {"i915_gem_stolen", i915_gem_stolen_list_info }, - {"i915_gem_pageflip", i915_gem_pageflip_info, 0}, - {"i915_gem_request", i915_gem_request_info, 0}, - {"i915_gem_seqno", i915_gem_seqno_info, 0}, - {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, - {"i915_gem_interrupt", i915_interrupt_info, 0}, - {"i915_gem_batch_pool", i915_gem_batch_pool_info, 0}, - {"i915_guc_info", i915_guc_info, 0}, - {"i915_guc_load_status", i915_guc_load_status_info, 0}, - {"i915_guc_log_dump", i915_guc_log_dump, 0}, - {"i915_guc_load_err_log_dump", i915_guc_log_dump, 0, (void *)1}, - {"i915_guc_stage_pool", i915_guc_stage_pool, 0}, - {"i915_huc_load_status", i915_huc_load_status_info, 0}, {"i915_frequency_info", i915_frequency_info, 0}, - {"i915_hangcheck_info", i915_hangcheck_info, 0}, - {"i915_drpc_info", i915_drpc_info, 0}, - {"i915_emon_status", i915_emon_status, 0}, - {"i915_ring_freq_table", i915_ring_freq_table, 0}, - {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, - {"i915_fbc_status", i915_fbc_status, 0}, - {"i915_ips_status", i915_ips_status, 0}, - {"i915_sr_status", i915_sr_status, 0}, - {"i915_opregion", i915_opregion, 0}, - {"i915_vbt", i915_vbt, 0}, - {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, - {"i915_context_status", i915_context_status, 0}, - {"i915_dump_lrc", i915_dump_lrc, 0}, - {"i915_forcewake_domains", i915_forcewake_domains, 0}, {"i915_swizzle_info", i915_swizzle_info, 0}, - {"i915_ppgtt_info", i915_ppgtt_info, 0}, - {"i915_llc", i915_llc, 0}, - {"i915_edp_psr_status", i915_edp_psr_status, 0}, - {"i915_sink_crc_eDP1", i915_sink_crc, 0}, - {"i915_energy_uJ", i915_energy_uJ, 0}, {"i915_runtime_pm_status", i915_runtime_pm_status, 0}, - {"i915_power_domain_info", i915_power_domain_info, 0}, - {"i915_dmc_info", i915_dmc_info, 0}, - {"i915_display_info", i915_display_info, 0}, {"i915_engine_info", i915_engine_info, 0}, - {"i915_semaphore_status", i915_semaphore_status, 0}, - {"i915_shared_dplls_info", i915_shared_dplls_info, 0}, - {"i915_dp_mst_info", i915_dp_mst_info, 0}, {"i915_wa_registers", i915_wa_registers, 0}, - {"i915_ddb_info", i915_ddb_info, 0}, {"i915_sseu_status", i915_sseu_status, 0}, - {"i915_drrs_status", i915_drrs_status, 0}, {"i915_rps_boost_info", i915_rps_boost_info, 0}, }; -#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list) static const struct i915_debugfs_files { const char *name; const struct file_operations *fops; } i915_debugfs_files[] = { + {"i915_perf_noa_delay", &i915_perf_noa_delay_fops}, {"i915_wedged", &i915_wedged_fops}, - {"i915_max_freq", &i915_max_freq_fops}, - {"i915_min_freq", &i915_min_freq_fops}, - {"i915_cache_sharing", &i915_cache_sharing_fops}, - {"i915_ring_missed_irq", &i915_ring_missed_irq_fops}, - {"i915_ring_test_irq", &i915_ring_test_irq_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 - {"i915_next_seqno", &i915_next_seqno_fops}, - {"i915_display_crc_ctl", &i915_display_crc_ctl_fops}, - {"i915_pri_wm_latency", &i915_pri_wm_latency_fops}, - {"i915_spr_wm_latency", &i915_spr_wm_latency_fops}, - {"i915_cur_wm_latency", &i915_cur_wm_latency_fops}, - {"i915_fbc_false_color", &i915_fbc_false_color_fops}, - {"i915_dp_test_data", &i915_displayport_test_data_fops}, - {"i915_dp_test_type", &i915_displayport_test_type_fops}, - {"i915_dp_test_active", &i915_displayport_test_active_fops}, - {"i915_guc_log_control", &i915_guc_log_control_fops}, - {"i915_hpd_storm_ctl", &i915_hpd_storm_ctl_fops} }; -int 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 *ent; - int ret, i; - - ent = debugfs_create_file("i915_forcewake_user", S_IRUSR, - minor->debugfs_root, to_i915(minor->dev), - &i915_forcewake_fops); - if (!ent) - return -ENOMEM; - - ret = intel_pipe_crc_create(minor); - if (ret) - return ret; - - for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) { - ent = debugfs_create_file(i915_debugfs_files[i].name, - S_IRUGO | S_IWUSR, - minor->debugfs_root, - to_i915(minor->dev), - i915_debugfs_files[i].fops); - if (!ent) - return -ENOMEM; - } - - return drm_debugfs_create_files(i915_debugfs_list, - I915_DEBUGFS_ENTRIES, - minor->debugfs_root, minor); -} - -struct dpcd_block { - /* DPCD dump start address. */ - unsigned int offset; - /* DPCD dump end address, inclusive. If unset, .size will be used. */ - unsigned int end; - /* DPCD dump size. Used if .end is unset. If unset, defaults to 1. */ - size_t size; - /* Only valid for eDP. */ - bool edp; -}; - -static const struct dpcd_block i915_dpcd_debug[] = { - { .offset = DP_DPCD_REV, .size = DP_RECEIVER_CAP_SIZE }, - { .offset = DP_PSR_SUPPORT, .end = DP_PSR_CAPS }, - { .offset = DP_DOWNSTREAM_PORT_0, .size = 16 }, - { .offset = DP_LINK_BW_SET, .end = DP_EDP_CONFIGURATION_SET }, - { .offset = DP_SINK_COUNT, .end = DP_ADJUST_REQUEST_LANE2_3 }, - { .offset = DP_SET_POWER }, - { .offset = DP_EDP_DPCD_REV }, - { .offset = DP_EDP_GENERAL_CAP_1, .end = DP_EDP_GENERAL_CAP_3 }, - { .offset = DP_EDP_DISPLAY_CONTROL_REGISTER, .end = DP_EDP_BACKLIGHT_FREQ_CAP_MAX_LSB }, - { .offset = DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET, .end = DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET }, -}; - -static int i915_dpcd_show(struct seq_file *m, void *data) -{ - struct drm_connector *connector = m->private; - struct intel_dp *intel_dp = - enc_to_intel_dp(&intel_attached_encoder(connector)->base); - uint8_t buf[16]; - ssize_t err; + struct dentry *debugfs_root = i915->drm.debugfs_root; int i; - if (connector->status != connector_status_connected) - return -ENODEV; - - for (i = 0; i < ARRAY_SIZE(i915_dpcd_debug); i++) { - const struct dpcd_block *b = &i915_dpcd_debug[i]; - size_t size = b->end ? b->end - b->offset + 1 : (b->size ?: 1); - - if (b->edp && - connector->connector_type != DRM_MODE_CONNECTOR_eDP) - continue; - - /* low tech for now */ - if (WARN_ON(size > sizeof(buf))) - continue; - - err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size); - if (err <= 0) { - DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n", - size, b->offset, err); - continue; - } + i915_debugfs_params(i915); - seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); + 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, + debugfs_root, i915, + i915_debugfs_files[i].fops); } - return 0; -} - -static int i915_dpcd_open(struct inode *inode, struct file *file) -{ - return single_open(file, i915_dpcd_show, inode->i_private); -} - -static const struct file_operations i915_dpcd_fops = { - .owner = THIS_MODULE, - .open = i915_dpcd_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int i915_panel_show(struct seq_file *m, void *data) -{ - struct drm_connector *connector = m->private; - struct intel_dp *intel_dp = - enc_to_intel_dp(&intel_attached_encoder(connector)->base); - - if (connector->status != connector_status_connected) - return -ENODEV; - - seq_printf(m, "Panel power up delay: %d\n", - intel_dp->panel_power_up_delay); - seq_printf(m, "Panel power down delay: %d\n", - intel_dp->panel_power_down_delay); - seq_printf(m, "Backlight on delay: %d\n", - intel_dp->backlight_on_delay); - seq_printf(m, "Backlight off delay: %d\n", - intel_dp->backlight_off_delay); - - return 0; -} - -static int i915_panel_open(struct inode *inode, struct file *file) -{ - return single_open(file, i915_panel_show, inode->i_private); -} + drm_debugfs_create_files(i915_debugfs_list, + ARRAY_SIZE(i915_debugfs_list), + debugfs_root, i915->drm.primary); -static const struct file_operations i915_panel_fops = { - .owner = THIS_MODULE, - .open = i915_panel_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -/** - * i915_debugfs_connector_add - add i915 specific connector debugfs files - * @connector: pointer to a registered drm_connector - * - * Cleanup will be done by drm_connector_unregister() through a call to - * drm_debugfs_connector_remove(). - * - * Returns 0 on success, negative error codes on error. - */ -int i915_debugfs_connector_add(struct drm_connector *connector) -{ - struct dentry *root = connector->debugfs_entry; - - /* The connector must have been registered beforehands. */ - if (!root) - return -ENODEV; - - if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort || - connector->connector_type == DRM_MODE_CONNECTOR_eDP) - debugfs_create_file("i915_dpcd", S_IRUGO, root, - connector, &i915_dpcd_fops); - - if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) - debugfs_create_file("i915_panel_timings", S_IRUGO, root, - connector, &i915_panel_fops); - - return 0; + i915_gpu_error_debugfs_register(i915); } |