drm/i915: Show device capabilities 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 9074300..18fd153 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -44,6 +44,46 @@
 #define FLUSHING_LIST  2
 #define INACTIVE_LIST  3
 
+static const char *yesno(int v)
+{
+       return v ? "yes" : "no";
+}
+
+static int i915_capabilities(struct seq_file *m, void *data)
+{
+       struct drm_info_node *node = (struct drm_info_node *) m->private;
+       struct drm_device *dev = node->minor->dev;
+       const struct intel_device_info *info = INTEL_INFO(dev);
+
+       seq_printf(m, "gen: %d\n", info->gen);
+#define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
+       B(is_mobile);
+       B(is_i8xx);
+       B(is_i85x);
+       B(is_i915g);
+       B(is_i9xx);
+       B(is_i945gm);
+       B(is_i965g);
+       B(is_i965gm);
+       B(is_g33);
+       B(need_gfx_hws);
+       B(is_g4x);
+       B(is_pineview);
+       B(is_broadwater);
+       B(is_crestline);
+       B(is_ironlake);
+       B(has_fbc);
+       B(has_rc6);
+       B(has_pipe_cxsr);
+       B(has_hotplug);
+       B(cursor_needs_physical);
+       B(has_overlay);
+       B(overlay_needs_physical);
+#undef B
+
+       return 0;
+}
+
 static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
 {
        if (obj_priv->user_pin_count > 0)
@@ -880,6 +920,7 @@ static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
 }
 
 static struct drm_info_list i915_debugfs_list[] = {
+       {"i915_capabilities", i915_capabilities, 0, 0},
        {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
        {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
        {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},