linux-kernel - [PATCH v2 07/14] drm: move EXPORT_SYMBOL_FOR_TESTS_ONLY to drm

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Date:   Sun, 30 Dec 2018 18:48:31 +0100
From:   Sam Ravnborg <sam@...nborg.org>
To:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>,
        David Lechner <david@...hnology.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     Sam Ravnborg <sam@...nborg.org>
Subject: [PATCH v2 07/14] drm: move EXPORT_SYMBOL_FOR_TESTS_ONLY to drm_util.h

In the quest to get rid of drmP.h move the newly
added EXPORT_SYMBOL_FOR_TESTS_ONLY to drm_util.h.
Fix the single user.

Add a note to drmP.h to avoid further use of it.

Signed-off-by: Sam Ravnborg <sam@...nborg.org>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc: Maxime Ripard <maxime.ripard@...tlin.com>
Cc: Sean Paul <sean@...rly.run>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
---
 drivers/gpu/drm/drm_framebuffer.c |  1 +
 include/drm/drmP.h                | 11 ++++++-----
 include/drm/drm_util.h            | 10 ++++++++++
 3 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index fcaea8f50513..7abcb265a108 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -27,6 +27,7 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_uapi.h>
 #include <drm/drm_print.h>
+#include <drm/drm_util.h>
 
 #include "drm_internal.h"
 #include "drm_crtc_internal.h"
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index bc4cb3732407..3f5c577c9dbd 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -94,10 +94,11 @@ struct dma_buf_attachment;
 struct pci_dev;
 struct pci_controller;
 
-#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
-#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
-#else
-#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
-#endif
+/*
+ * NOTE: drmP.h is obsolete - do NOT add anything to this file
+ *
+ * Do not include drmP.h in new files.
+ * Work is ongoing to remove drmP.h includes from existing files
+ */
 
 #endif
diff --git a/include/drm/drm_util.h b/include/drm/drm_util.h
index 8fda5777471c..cd1e4be1dfb3 100644
--- a/include/drm/drm_util.h
+++ b/include/drm/drm_util.h
@@ -37,6 +37,16 @@
 #include <linux/kgdb.h>
 #include <linux/smp.h>
 
+/*
+ * Use EXPORT_SYMBOL_FOR_TESTS_ONLY() for functions that shall
+ * only be visible for drmselftests.
+ */
+#if defined(CONFIG_DRM_DEBUG_SELFTEST_MODULE)
+#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x) EXPORT_SYMBOL(x)
+#else
+#define EXPORT_SYMBOL_FOR_TESTS_ONLY(x)
+#endif
+
 /**
  * for_each_if - helper for handling conditionals in various for_each macros
  * @condition The condition to check
-- 
2.12.0