drm/i915/bdw: Pin the context backing objects to GGTT on-demand

[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_debugfs.c

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 319da61354b09831dc9beef2ed23a70bd20cb3a9..bb1458381dc45d8704f86a950b7d9bc46879feb2 100644 (file)
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1799,10 +1799,16 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
                                continue;
 
                        if (ctx_obj) {
-                               struct page *page = i915_gem_object_get_page(ctx_obj, 1);
-                               uint32_t *reg_state = kmap_atomic(page);
+                               struct page *page;
+                               uint32_t *reg_state;
                                int j;
 
+                               i915_gem_obj_ggtt_pin(ctx_obj,
+                                               GEN8_LR_CONTEXT_ALIGN, 0);
+
+                               page = i915_gem_object_get_page(ctx_obj, 1);
+                               reg_state = kmap_atomic(page);
+
                                seq_printf(m, "CONTEXT: %s %u\n", ring->name,
                                                intel_execlists_ctx_id(ctx_obj));
 
@@ -1814,6 +1820,8 @@ static int i915_dump_lrc(struct seq_file *m, void *unused)
                                }
                                kunmap_atomic(reg_state);
 
+                               i915_gem_object_ggtt_unpin(ctx_obj);
+
                                seq_putc(m, '\n');
                        }
                }