drm/i915: Show framebuffer info in debugfs

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 18fd153..2f3e017 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -104,6 +104,27 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
     }
 }
 
+static void
+describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
+{
+       seq_printf(m, "%p: %s%s %8zd %08x %08x %d%s%s",
+                  &obj->base,
+                  get_pin_flag(obj),
+                  get_tiling_flag(obj),
+                  obj->base.size,
+                  obj->base.read_domains,
+                  obj->base.write_domain,
+                  obj->last_rendering_seqno,
+                  obj->dirty ? " dirty" : "",
+                  obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
+       if (obj->base.name)
+               seq_printf(m, " (name: %d)", obj->base.name);
+       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)", obj->gtt_offset);
+}
+
 static int i915_gem_object_list_info(struct seq_file *m, void *data)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -137,23 +158,8 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
        }
 
        list_for_each_entry(obj_priv, head, list) {
-               seq_printf(m, "    %p: %s %8zd %08x %08x %d%s%s",
-                          &obj_priv->base,
-                          get_pin_flag(obj_priv),
-                          obj_priv->base.size,
-                          obj_priv->base.read_domains,
-                          obj_priv->base.write_domain,
-                          obj_priv->last_rendering_seqno,
-                          obj_priv->dirty ? " dirty" : "",
-                          obj_priv->madv == I915_MADV_DONTNEED ? " purgeable" : "");
-
-               if (obj_priv->base.name)
-                       seq_printf(m, " (name: %d)", obj_priv->base.name);
-               if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
-                       seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
-               if (obj_priv->gtt_space != NULL)
-                       seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);
-
+               seq_printf(m, "   ");
+               describe_obj(m, obj_priv);
                seq_printf(m, "\n");
        }
 
@@ -815,6 +821,48 @@ static int i915_opregion(struct seq_file *m, void *unused)
        return 0;
 }
 
+static int i915_gem_framebuffer_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;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       struct intel_fbdev *ifbdev;
+       struct intel_framebuffer *fb;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+       if (ret)
+               return ret;
+
+       ifbdev = dev_priv->fbdev;
+       fb = to_intel_framebuffer(ifbdev->helper.fb);
+
+       seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
+                  fb->base.width,
+                  fb->base.height,
+                  fb->base.depth,
+                  fb->base.bits_per_pixel);
+       describe_obj(m, to_intel_bo(fb->obj));
+       seq_printf(m, "\n");
+
+       list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
+               if (&fb->base == ifbdev->helper.fb)
+                       continue;
+
+               seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
+                          fb->base.width,
+                          fb->base.height,
+                          fb->base.depth,
+                          fb->base.bits_per_pixel);
+               describe_obj(m, to_intel_bo(fb->obj));
+               seq_printf(m, "\n");
+       }
+
+       mutex_unlock(&dev->mode_config.mutex);
+
+       return 0;
+}
+
 static int
 i915_wedged_open(struct inode *inode,
                 struct file *filp)
@@ -944,6 +992,7 @@ static struct drm_info_list i915_debugfs_list[] = {
        {"i915_fbc_status", i915_fbc_status, 0},
        {"i915_sr_status", i915_sr_status, 0},
        {"i915_opregion", i915_opregion, 0},
+       {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
 };
 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
 

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index cdf9c78..b454d1a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -30,8 +30,8 @@
 #include <linux/i2c-algo-bit.h>
 #include "i915_drv.h"
 #include "drm_crtc.h"
-
 #include "drm_crtc_helper.h"
+#include "drm_fb_helper.h"
 
 #define _wait_for(COND, MS, W) ({ \
        unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);       \
@@ -129,6 +129,12 @@ struct intel_framebuffer {
        struct drm_gem_object *obj;
 };
 
+struct intel_fbdev {
+       struct drm_fb_helper helper;
+       struct intel_framebuffer ifb;
+       struct list_head fbdev_list;
+       struct drm_display_mode *our_mode;
+};
 
 struct intel_encoder {
        struct drm_encoder enc;

diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 42f8a51..0ee4a8c 100644 (file)
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -44,13 +44,6 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-struct intel_fbdev {
-       struct drm_fb_helper helper;
-       struct intel_framebuffer ifb;
-       struct list_head fbdev_list;
-       struct drm_display_mode *our_mode;
-};
-
 static struct fb_ops intelfb_ops = {
        .owner = THIS_MODULE,
        .fb_check_var = drm_fb_helper_check_var,