Merge tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel into drm-next

- better atomic state debugging from Rob
- fence prep from gustavo
- sumits flushed out his backlog of pending dma-buf/fence patches from
  various people
- drm_mm leak debugging plus trying to appease Kconfig (Chris)
- a few misc things all over

* tag 'topic/drm-misc-2016-11-10' of git://anongit.freedesktop.org/drm-intel: (35 commits)
  drm: Make DRM_DEBUG_MM depend on STACKTRACE_SUPPORT
  drm/i915: Restrict DRM_DEBUG_MM automatic selection
  drm: Restrict stackdepot usage to builtin drm.ko
  drm/msm: module param to dump state on error irq
  drm/msm/mdp5: add atomic_print_state support
  drm/atomic: add debugfs file to dump out atomic state
  drm/atomic: add new drm_debug bit to dump atomic state
  drm: add helpers to go from plane state to drm_rect
  drm: add helper for printing to log or seq_file
  drm: helper macros to print composite types
  reservation: revert "wait only with non-zero timeout specified (v3)" v2
  drm/ttm: fix ttm_bo_wait
  dma-buf/fence: revert "don't wait when specified timeout is zero" (v2)
  dma-buf/fence: make timeout handling in fence_default_wait consistent (v2)
  drm/amdgpu: add the interface of waiting multiple fences (v4)
  dma-buf: return index of the first signaled fence (v2)
  MAINTAINERS: update Sync File Framework files
  dma-buf/sw_sync: put fence reference from the fence creation
  dma-buf/sw_sync: mark sync_timeline_create() static
  drm: Add stackdepot include for DRM_DEBUG_MM
  ...

1 files changed, 54 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c
new file mode 100644
index 000000000000..34eb85618b76
--- /dev/null
+++ b/drivers/gpu/drm/drm_print.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 Red Hat
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Rob Clark <robdclark@gmail.com>
+ */
+
+#include <stdarg.h>
+#include <linux/seq_file.h>
+#include <drm/drmP.h>
+#include <drm/drm_print.h>
+
+void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf)
+{
+	seq_printf(p->arg, "%pV", vaf);
+}
+EXPORT_SYMBOL(__drm_printfn_seq_file);
+
+void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf)
+{
+	dev_printk(KERN_INFO, p->arg, "[" DRM_NAME "] %pV", vaf);
+}
+EXPORT_SYMBOL(__drm_printfn_info);
+
+void drm_printf(struct drm_printer *p, const char *f, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, f);
+	vaf.fmt = f;
+	vaf.va = &args;
+	p->printfn(p, &vaf);
+	va_end(args);
+}
+EXPORT_SYMBOL(drm_printf);