diff options
31 files changed, 2182 insertions, 1833 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 543b9b3171d..fe304f903b1 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -147,33 +147,27 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node, } } -struct drm_mm_node *drm_mm_create_block(struct drm_mm *mm, - unsigned long start, - unsigned long size, - bool atomic) +int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node) { - struct drm_mm_node *hole, *node; - unsigned long end = start + size; + struct drm_mm_node *hole; + unsigned long end = node->start + node->size; unsigned long hole_start; unsigned long hole_end; + BUG_ON(node == NULL); + + /* Find the relevant hole to add our node to */ drm_mm_for_each_hole(hole, mm, hole_start, hole_end) { - if (hole_start > start || hole_end < end) + if (hole_start > node->start || hole_end < end) continue; - node = drm_mm_kmalloc(mm, atomic); - if (unlikely(node == NULL)) - return NULL; - - node->start = start; - node->size = size; node->mm = mm; node->allocated = 1; INIT_LIST_HEAD(&node->hole_stack); list_add(&node->node_list, &hole->node_list); - if (start == hole_start) { + if (node->start == hole_start) { hole->hole_follows = 0; list_del_init(&hole->hole_stack); } @@ -184,13 +178,14 @@ struct drm_mm_node *drm_mm_create_block(struct drm_mm *mm, node->hole_follows = 1; } - return node; + return 0; } - WARN(1, "no hole found for block 0x%lx + 0x%lx\n", start, size); - return NULL; + WARN(1, "no hole found for node 0x%lx + 0x%lx\n", + node->start, node->size); + return -ENOSPC; } -EXPORT_SYMBOL(drm_mm_create_block); +EXPORT_SYMBOL(drm_mm_reserve_node); struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *hole_node, unsigned long size, diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 40034ecefd3..9d1da7cceb2 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -5,6 +5,7 @@ ccflags-y := -Iinclude/drm i915-y := i915_drv.o i915_dma.o i915_irq.o \ i915_debugfs.o \ + i915_gpu_error.o \ i915_suspend.o \ i915_gem.o \ i915_gem_context.o \ diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 47d6c748057..86379799dab 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -30,7 +30,6 @@ #include <linux/debugfs.h> #include <linux/slab.h> #include <linux/export.h> -#include <generated/utsrelease.h> #include <drm/drmP.h> #include "intel_drv.h" #include "intel_ringbuffer.h" @@ -90,16 +89,6 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj) } } -static const char *cache_level_str(int type) -{ - switch (type) { - case I915_CACHE_NONE: return " uncached"; - case I915_CACHE_LLC: return " snooped (LLC)"; - case I915_CACHE_LLC_MLC: return " snooped (LLC+MLC)"; - default: return ""; - } -} - static void describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { @@ -113,7 +102,7 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) obj->last_read_seqno, obj->last_write_seqno, obj->last_fenced_seqno, - cache_level_str(obj->cache_level), + i915_cache_level_str(obj->cache_level), obj->dirty ? " dirty" : "", obj->madv == I915_MADV_DONTNEED ? " purgeable" : ""); if (obj->base.name) @@ -122,9 +111,9 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) seq_printf(m, " (pinned x %d)", obj->pin_count); if (obj->fence_reg != I915_FENCE_REG_NONE) seq_printf(m, " (fence: %d)", obj->fence_reg); - if (obj->gtt_space != NULL) - seq_printf(m, " (gtt offset: %08x, size: %08x)", - obj->gtt_offset, (unsigned int)obj->gtt_space->size); + if (i915_gem_obj_ggtt_bound(obj)) + seq_printf(m, " (gtt offset: %08lx, size: %08x)", + i915_gem_obj_ggtt_offset(obj), (unsigned int)i915_gem_obj_ggtt_size(obj)); if (obj->stolen) seq_printf(m, " (stolen: %08lx)", obj->stolen->start); if (obj->pin_mappable || obj->fault_mappable) { @@ -157,11 +146,11 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) switch (list) { case ACTIVE_LIST: - seq_printf(m, "Active:\n"); + seq_puts(m, "Active:\n"); head = &dev_priv->mm.active_list; break; case INACTIVE_LIST: - seq_printf(m, "Inactive:\n"); + seq_puts(m, "Inactive:\n"); head = &dev_priv->mm.inactive_list; break; default: @@ -171,11 +160,11 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) total_obj_size = total_gtt_size = count = 0; list_for_each_entry(obj, head, mm_list) { - seq_printf(m, " "); + seq_puts(m, " "); describe_obj(m, obj); - seq_printf(m, "\n"); + seq_putc(m, '\n'); total_obj_size += obj->base.size; - total_gtt_size += obj->gtt_space->size; + total_gtt_size += i915_gem_obj_ggtt_size(obj); count++; } mutex_unlock(&dev->struct_mutex); @@ -187,10 +176,10 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) #define count_objects(list, member) do { \ list_for_each_entry(obj, list, member) { \ - size += obj->gtt_space->size; \ + size += i915_gem_obj_ggtt_size(obj); \ ++count; \ if (obj->map_and_fenceable) { \ - mappable_size += obj->gtt_space->size; \ + mappable_size += i915_gem_obj_ggtt_size(obj); \ ++mappable_count; \ } \ } \ @@ -209,7 +198,7 @@ static int per_file_stats(int id, void *ptr, void *data) stats->count++; stats->total += obj->base.size; - if (obj->gtt_space) { + if (i915_gem_obj_ggtt_bound(obj)) { if (!list_empty(&obj->ring_list)) stats->active += obj->base.size; else @@ -222,7 +211,7 @@ static int per_file_stats(int id, void *ptr, void *data) return 0; } -static int i915_gem_object_info(struct seq_file *m, void* data) +static int i915_gem_object_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; @@ -267,11 +256,11 @@ static int i915_gem_object_info(struct seq_file *m, void* data) size = count = mappable_size = mappable_count = 0; list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) { if (obj->fault_mappable) { - size += obj->gtt_space->size; + size += i915_gem_obj_ggtt_size(obj); ++count; } if (obj->pin_mappable) { - mappable_size += obj->gtt_space->size; + mappable_size += i915_gem_obj_ggtt_size(obj); ++mappable_count; } if (obj->madv == I915_MADV_DONTNEED) { @@ -290,7 +279,7 @@ static int i915_gem_object_info(struct seq_file *m, void* data) dev_priv->gtt.total, dev_priv->gtt.mappable_end - dev_priv->gtt.start); - seq_printf(m, "\n"); + seq_putc(m, '\n'); list_for_each_entry_reverse(file, &dev->filelist, lhead) { struct file_stats stats; @@ -310,7 +299,7 @@ static int i915_gem_object_info(struct seq_file *m, void* data) return 0; } -static int i915_gem_gtt_info(struct seq_file *m, void* data) +static int i915_gem_gtt_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; @@ -329,11 +318,11 @@ static int i915_gem_gtt_info(struct seq_file *m, void* data) if (list == PINNED_LIST && obj->pin_count == 0) continue; - seq_printf(m, " "); + seq_puts(m, " "); describe_obj(m, obj); - seq_printf(m, "\n"); + seq_putc(m, '\n'); total_obj_size += obj->base.size; - total_gtt_size += obj->gtt_space->size; + total_gtt_size += i915_gem_obj_ggtt_size(obj); count++; } @@ -371,20 +360,22 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data) pipe, plane); } if (work->enable_stall_check) - seq_printf(m, "Stall check enabled, "); + seq_puts(m, "Stall check enabled, "); else - seq_printf(m, "Stall check waiting for page flip ioctl, "); + seq_puts(m, "Stall check waiting for page flip ioctl, "); seq_printf(m, "%d prepares\n", atomic_read(&work->pending)); if (work->old_fb_obj) { struct drm_i915_gem_object *obj = work->old_fb_obj; if (obj) - seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj->gtt_offset); + seq_printf(m, "Old framebuffer gtt_offset 0x%08lx\n", + i915_gem_obj_ggtt_offset(obj)); } if (work->pending_flip_obj) { struct drm_i915_gem_object *obj = work->pending_flip_obj; if (obj) - seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj->gtt_offset); + seq_printf(m, "New framebuffer gtt_offset 0x%08lx\n", + i915_gem_obj_ggtt_offset(obj)); } } spin_unlock_irqrestore(&dev->event_lock, flags); @@ -424,7 +415,7 @@ static int i915_gem_request_info(struct seq_file *m, void *data) mutex_unlock(&dev->struct_mutex); if (count == 0) - seq_printf(m, "No requests\n"); + seq_puts(m, "No requests\n"); return 0; } @@ -574,10 +565,10 @@ static int i915_gem_fence_regs_info(struct seq_file *m, void *data) seq_printf(m, "Fence %d, pin count = %d, object = ", i, dev_priv->fence_regs[i].pin_count); if (obj == NULL) - seq_printf(m, "unused"); + seq_puts(m, "unused"); else describe_obj(m, obj); - seq_printf(m, "\n"); + seq_putc(m, '\n'); } mutex_unlock(&dev->struct_mutex); @@ -606,361 +597,6 @@ static int i915_hws_info(struct seq_file *m, void *data) return 0; } -static const char *ring_str(int ring) -{ - switch (ring) { - case RCS: return "render"; - case VCS: return "bsd"; - case BCS: return "blt"; - case VECS: return "vebox"; - default: return ""; - } -} - -static const char *pin_flag(int pinned) -{ - if (pinned > 0) - return " P"; - else if (pinned < 0) - return " p"; - else - return ""; -} - -static const char *tiling_flag(int tiling) -{ - switch (tiling) { - default: - case I915_TILING_NONE: return ""; - case I915_TILING_X: return " X"; - case I915_TILING_Y: return " Y"; - } -} - -static const char *dirty_flag(int dirty) -{ - return dirty ? " dirty" : ""; -} - -static const char *purgeable_flag(int purgeable) -{ - return purgeable ? " purgeable" : ""; -} - -static bool __i915_error_ok(struct drm_i915_error_state_buf *e) -{ - - if (!e->err && WARN(e->bytes > (e->size - 1), "overflow")) { - e->err = -ENOSPC; - return false; - } - - if (e->bytes == e->size - 1 || e->err) - return false; - - return true; -} - -static bool __i915_error_seek(struct drm_i915_error_state_buf *e, - unsigned len) -{ - if (e->pos + len <= e->start) { - e->pos += len; - return false; - } - - /* First vsnprintf needs to fit in its entirety for memmove */ - if (len >= e->size) { - e->err = -EIO; - return false; - } - - return true; -} - -static void __i915_error_advance(struct drm_i915_error_state_buf *e, - unsigned len) -{ - /* If this is first printf in this window, adjust it so that - * start position matches start of the buffer - */ - - if (e->pos < e->start) { - const size_t off = e->start - e->pos; - - /* Should not happen but be paranoid */ - if (off > len || e->bytes) { - e->err = -EIO; - return; - } - - memmove(e->buf, e->buf + off, len - off); - e->bytes = len - off; - e->pos = e->start; - return; - } - - e->bytes += len; - e->pos += len; -} - -static void i915_error_vprintf(struct drm_i915_error_state_buf *e, - const char *f, va_list args) -{ - unsigned len; - - if (!__i915_error_ok(e)) - return; - - /* Seek the first printf which is hits start position */ - if (e->pos < e->start) { - len = vsnprintf(NULL, 0, f, args); - if (!__i915_error_seek(e, len)) - return; - } - - len = vsnprintf(e->buf + e->bytes, e->size - e->bytes, f, args); - if (len >= e->size - e->bytes) - len = e->size - e->bytes - 1; - - __i915_error_advance(e, len); -} - -static void i915_error_puts(struct drm_i915_error_state_buf *e, - const char *str) -{ - unsigned len; - - if (!__i915_error_ok(e)) - return; - - len = strlen(str); - - /* Seek the first printf which is hits start position */ - if (e->pos < e->start) { - if (!__i915_error_seek(e, len)) - return; - } - - if (len >= e->size - e->bytes) - len = e->size - e->bytes - 1; - memcpy(e->buf + e->bytes, str, len); - - __i915_error_advance(e, len); -} - -void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...) -{ - va_list args; - - va_start(args, f); - i915_error_vprintf(e, f, args); - va_end(args); -} - -#define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) -#define err_puts(e, s) i915_error_puts(e, s) - -static void print_error_buffers(struct drm_i915_error_state_buf *m, - const char *name, - struct drm_i915_error_buffer *err, - int count) -{ - err_printf(m, "%s [%d]:\n", name, count); - - while (count--) { - err_printf(m, " %08x %8u %02x %02x %x %x", - err->gtt_offset, - err->size, - err->read_domains, - err->write_domain, - err->rseqno, err->wseqno); - err_puts(m, pin_flag(err->pinned)); - err_puts(m, tiling_flag(err->tiling)); - err_puts(m, dirty_flag(err->dirty)); - err_puts(m, purgeable_flag(err->purgeable)); - err_puts(m, err->ring != -1 ? " " : ""); - err_puts(m, ring_str(err->ring)); - err_puts(m, cache_level_str(err->cache_level)); - - if (err->name) - err_printf(m, " (name: %d)", err->name); - if (err->fence_reg != I915_FENCE_REG_NONE) - err_printf(m, " (fence: %d)", err->fence_reg); - - err_puts(m, "\n"); - err++; - } -} - -static void i915_ring_error_state(struct drm_i915_error_state_buf *m, - struct drm_device *dev, - struct drm_i915_error_state *error, - unsigned ring) -{ - BUG_ON(ring >= I915_NUM_RINGS); /* shut up confused gcc */ - err_printf(m, "%s command stream:\n", ring_str(ring)); - err_printf(m, " HEAD: 0x%08x\n", error->head[ring]); - err_printf(m, " TAIL: 0x%08x\n", error->tail[ring]); - err_printf(m, " CTL: 0x%08x\n", error->ctl[ring]); - err_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]); - err_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]); - err_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]); - err_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]); - if (ring == RCS && INTEL_INFO(dev)->gen >= 4) - err_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr); - - if (INTEL_INFO(dev)->gen >= 4) - err_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]); - err_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]); - err_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]); - if (INTEL_INFO(dev)->gen >= 6) { - err_printf(m, " RC PSMI: 0x%08x\n", error->rc_psmi[ring]); - err_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]); - err_printf(m, " SYNC_0: 0x%08x [last synced 0x%08x]\n", - error->semaphore_mboxes[ring][0], - error->semaphore_seqno[ring][0]); - err_printf(m, " SYNC_1: 0x%08x [last synced 0x%08x]\n", - error->semaphore_mboxes[ring][1], - error->semaphore_seqno[ring][1]); - } - err_printf(m, " seqno: 0x%08x\n", error->seqno[ring]); - err_printf(m, " waiting: %s\n", yesno(error->waiting[ring])); - err_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]); - err_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]); -} - -struct i915_error_state_file_priv { - struct drm_device *dev; - struct drm_i915_error_state *error; -}; - - -static int i915_error_state(struct i915_error_state_file_priv *error_priv, - struct drm_i915_error_state_buf *m) - -{ - struct drm_device *dev = error_priv->dev; - drm_i915_private_t *dev_priv = dev->dev_private; - struct drm_i915_error_state *error = error_priv->error; - struct intel_ring_buffer *ring; - int i, j, page, offset, elt; - - if (!error) { - err_printf(m, "no error state collected\n"); - return 0; - } - - err_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, - error->time.tv_usec); - err_printf(m, "Kernel: " UTS_RELEASE "\n"); - err_printf(m, "PCI ID: 0x%04x\n", dev->pci_device); - err_printf(m, "EIR: 0x%08x\n", error->eir); - err_printf(m, "IER: 0x%08x\n", error->ier); - err_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); - err_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake); - err_printf(m, "DERRMR: 0x%08x\n", error->derrmr); - err_printf(m, "CCID: 0x%08x\n", error->ccid); - - for (i = 0; i < dev_priv->num_fence_regs; i++) - err_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]); - - for (i = 0; i < ARRAY_SIZE(error->extra_instdone); i++) - err_printf(m, " INSTDONE_%d: 0x%08x\n", i, - error->extra_instdone[i]); - - if (INTEL_INFO(dev)->gen >= 6) { - err_printf(m, "ERROR: 0x%08x\n", error->error); - err_printf(m, "DONE_REG: 0x%08x\n", error->done_reg); - } - - if (INTEL_INFO(dev)->gen == 7) - err_printf(m, "ERR_INT: 0x%08x\n", error->err_int); - - for_each_ring(ring, dev_priv, i) - i915_ring_error_state(m, dev, error, i); - - if (error->active_bo) - print_error_buffers(m, "Active", - error->active_bo, - error->active_bo_count); - - if (error->pinned_bo) - print_error_buffers(m, "Pinned", - error->pinned_bo, - error->pinned_bo_count); - - for (i = 0; i < ARRAY_SIZE(error->ring); i++) { - struct drm_i915_error_object *obj; - - if ((obj = error->ring[i].batchbuffer)) { - err_printf(m, "%s --- gtt_offset = 0x%08x\n", - dev_priv->ring[i].name, - obj->gtt_offset); - offset = 0; - for (page = 0; page < obj->page_count; page++) { - for (elt = 0; elt < PAGE_SIZE/4; elt++) { - err_printf(m, "%08x : %08x\n", offset, - obj->pages[page][elt]); - offset += 4; - } - } - } - - if (error->ring[i].num_requests) { - err_printf(m, "%s --- %d requests\n", - dev_priv->ring[i].name, - error->ring[i].num_requests); - for (j = 0; j < error->ring[i].num_requests; j++) { - err_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\n", - error->ring[i].requests[j].seqno, - error->ring[i].requests[j].jiffies, - error->ring[i].requests[j].tail); - } - } - - if ((obj = error->ring[i].ringbuffer)) { - err_printf(m, "%s --- ringbuffer = 0x%08x\n", - dev_priv->ring[i].name, - obj->gtt_offset); - offset = 0; - for (page = 0; page < obj->page_count; page++) { - for (elt = 0; elt < PAGE_SIZE/4; elt++) { - err_printf(m, "%08x : %08x\n", - offset, - obj->pages[page][elt]); - offset += 4; - } - } - } - - obj = error->ring[i].ctx; - if (obj) { - err_printf(m, "%s --- HW Context = 0x%08x\n", - dev_priv->ring[i].name, - obj->gtt_offset); - offset = 0; - for (elt = 0; elt < PAGE_SIZE/16; elt += 4) { - err_printf(m, "[%04x] %08x %08x %08x %08x\n", - offset, - obj->pages[0][elt], - obj->pages[0][elt+1], - obj->pages[0][elt+2], - obj->pages[0][elt+3]); - offset += 16; - } - } - } - - if (error->overlay) - intel_overlay_print_error_state(m, error->overlay); - - if (error->display) - intel_display_print_error_state(m, dev, error->display); - - return 0; -} - static ssize_t i915_error_state_write(struct file *filp, const char __user *ubuf, @@ -986,9 +622,7 @@ i915_error_state_write(struct file *filp, static int i915_error_state_open(struct inode *inode, struct file *file) { struct drm_device *dev = inode->i_private; - drm_i915_private_t *dev_priv = dev->dev_private; struct i915_error_state_file_priv *error_priv; - unsigned long flags; error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL); if (!error_priv) @@ -996,11 +630,7 @@ static int i915_error_state_open(struct inode *inode, struct file *file) error_priv->dev = dev; - spin_lock_irqsave(&dev_priv->gpu_error.lock, flags); - error_priv->error = dev_priv->gpu_error.first_error; - if (error_priv->error) - kref_get(&error_priv->error->ref); - spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags); + i915_error_state_get(dev, error_priv); file->private_data = error_priv; @@ -1011,8 +641,7 @@ static int i915_error_state_release(struct inode *inode, struct file *file) { struct i915_error_state_file_priv *error_priv = file->private_data; - if (error_priv->error) - kref_put(&error_priv->error->ref, i915_error_state_free); + i915_error_state_put(error_priv); kfree(error_priv); return 0; @@ -1025,40 +654,15 @@ static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, struct drm_i915_error_state_buf error_str; loff_t tmp_pos = 0; ssize_t ret_count = 0; - int ret = 0; - - memset(&error_str, 0, sizeof(error_str)); - - /* We need to have enough room to store any i915_error_state printf - * so that we can move it to start position. - */ - error_str.size = count + 1 > PAGE_SIZE ? count + 1 : PAGE_SIZE; - error_str.buf = kmalloc(error_str.size, - GFP_TEMPORARY | __GFP_NORETRY | __GFP_NOWARN); - - if (error_str.buf == NULL) { - error_str.size = PAGE_SIZE; - error_str.buf = kmalloc(error_str.size, GFP_TEMPORARY); - } - - if (error_str.buf == NULL) { - error_str.size = 128; - error_str.buf = kmalloc(error_str.size, GFP_TEMPORARY); - } - - if (error_str.buf == NULL) - return -ENOMEM; - - error_str.start = *pos; + int ret; - ret = i915_error_state(error_priv, &error_str); + ret = i915_error_state_buf_init(&error_str, count, *pos); if (ret) - goto out; + return ret; - if (error_str.bytes == 0 && error_str.err) { - ret = error_str.err; + ret = i915_error_state_to_str(&error_str, error_priv); + if (ret) goto out; - } ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos, error_str.buf, @@ -1069,7 +673,7 @@ static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, else *pos = error_str.start + ret_count; out: - kfree(error_str.buf); + i915_error_state_buf_release(&error_str); return ret ?: ret_count; } @@ -1246,7 +850,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) (freq_sts >> 8) & 0xff)); mutex_unlock(&dev_priv->rps.hw_lock); } else { - seq_printf(m, "no P-state info available\n"); + seq_puts(m, "no P-state info available\n"); } return 0; @@ -1341,28 +945,28 @@ static int ironlake_drpc_info(struct seq_file *m) seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f)); seq_printf(m, "Render standby enabled: %s\n", (rstdbyctl & RCX_SW_EXIT) ? "no" : "yes"); - seq_printf(m, "Current RS state: "); + seq_puts(m, "Current RS state: "); switch (rstdbyctl & RSX_STATUS_MASK) { case RSX_STATUS_ON: - seq_printf(m, "on\n"); + seq_puts(m, "on\n"); break; case RSX_STATUS_RC1: - seq_printf(m, "RC1\n"); + seq_puts(m, "RC1\n"); break; case RSX_STATUS_RC1E: - seq_printf(m, "RC1E\n"); + seq_puts(m, "RC1E\n"); break; case RSX_STATUS_RS1: - seq_printf(m, "RS1\n"); + seq_puts(m, "RS1\n"); break; case RSX_STATUS_RS2: - seq_printf(m, "RS2 (RC6)\n"); + seq_puts(m, "RS2 (RC6)\n"); break; case RSX_STATUS_RS3: - seq_printf(m, "RC3 (RC6+)\n"); + seq_puts(m, "RC3 (RC6+)\n"); break; default: - seq_printf(m, "unknown\n"); + seq_puts(m, "unknown\n"); break; } @@ -1377,8 +981,7 @@ static int gen6_drpc_info(struct seq_file *m) struct drm_i915_private *dev_priv = dev->dev_private; u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0; unsigned forcewake_count; - int count=0, ret; - + int count = 0, ret; ret = mutex_lock_interruptible(&dev->struct_mutex); if (ret) @@ -1389,8 +992,8 @@ static int gen6_drpc_info(struct seq_file *m) spin_unlock_irq(&dev_priv->gt_lock); if (forcewake_count) { - seq_printf(m, "RC information inaccurate because somebody " - "holds a forcewake reference \n"); + 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)) @@ -1423,25 +1026,25 @@ static int gen6_drpc_info(struct seq_file *m) yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE)); seq_printf(m, "Deepest RC6 Enabled: %s\n", yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE)); - seq_printf(m, "Current RC state: "); + 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_printf(m, "Core Power Down\n"); + seq_puts(m, "Core Power Down\n"); else - seq_printf(m, "on\n"); + seq_puts(m, "on\n"); break; case GEN6_RC3: - seq_printf(m, "RC3\n"); + seq_puts(m, "RC3\n"); break; case GEN6_RC6: - seq_printf(m, "RC6\n"); + seq_puts(m, "RC6\n"); break; case GEN6_RC7: - seq_printf(m, "RC7\n"); + seq_puts(m, "RC7\n"); break; default: - seq_printf(m, "Unknown\n"); + seq_puts(m, "Unknown\n"); break; } @@ -1485,43 +1088,46 @@ static int i915_fbc_status(struct seq_file *m, void *unused) drm_i915_private_t *dev_priv = dev->dev_private; if (!I915_HAS_FBC(dev)) { - seq_printf(m, "FBC unsupported on this chipset\n"); + seq_puts(m, "FBC unsupported on this chipset\n"); return 0; } if (intel_fbc_enabled(dev)) { - seq_printf(m, "FBC enabled\n"); + seq_puts(m, "FBC enabled\n"); } else { - seq_printf(m, "FBC disabled: "); - switch (dev_priv->no_fbc_reason) { + seq_puts(m, "FBC disabled: "); + switch (dev_priv->fbc.no_fbc_reason) { case FBC_NO_OUTPUT: - seq_printf(m, "no outputs"); + seq_puts(m, "no outputs"); break; case FBC_STOLEN_TOO_SMALL: - seq_printf(m, "not enough stolen memory"); + seq_puts(m, "not enough stolen memory"); break; case FBC_UNSUPPORTED_MODE: - seq_printf(m, "mode not supported"); + seq_puts(m, "mode not supported"); break; case FBC_MODE_TOO_LARGE: - seq_printf(m, "mode too large"); + seq_puts(m, "mode too large"); break; case FBC_BAD_PLANE: - seq_printf(m, "FBC unsupported on plane"); + seq_puts(m, "FBC unsupported on plane"); br |