drm/selftest: Refactor drm mode setting selftests

With this patch split the kernel module specific code from actual
selftest code. This is done to allow adding more selftests as separate
file. Also added kernel module exit stub with this patch.

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: alexandru-cosmin.gheorghe@arm.com
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181016204609.1555-1-drawat@vmware.com

diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile
index 9fc349fa18e9d57b3318e423b2343eafdf41d8bf..7e6581921da03d48f06784e175c8ac09a1169748 100644 (file)
--- a/drivers/gpu/drm/selftests/Makefile
+++ b/drivers/gpu/drm/selftests/Makefile
@@ -1 +1,3 @@
-obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm-helper.o
+test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o
+
+obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o

diff --git a/drivers/gpu/drm/selftests/drm_helper_selftests.h b/drivers/gpu/drm/selftests/drm_plane_helper_selftests.h
similarity index 100%
rename from drivers/gpu/drm/selftests/drm_helper_selftests.h
rename to drivers/gpu/drm/selftests/drm_plane_helper_selftests.h

diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.c b/drivers/gpu/drm/selftests/test-drm_modeset_common.c
new file mode 100644 (file)
index 0000000..fad5209
--- /dev/null
+++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common file for modeset selftests.
+ */
+
+#include <linux/module.h>
+
+#include "test-drm_modeset_common.h"
+
+static int __init test_drm_modeset_init(void)
+{
+       return test_drm_plane_helper();
+}
+
+static void __exit test_drm_modeset_exit(void)
+{
+}
+
+module_init(test_drm_modeset_init);
+module_exit(test_drm_modeset_exit);
+
+MODULE_AUTHOR("Intel Corporation");
+MODULE_LICENSE("GPL");

diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
new file mode 100644 (file)
index 0000000..bdeba26
--- /dev/null
+++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __TEST_DRM_MODESET_COMMON_H__
+#define __TEST_DRM_MODESET_COMMON_H__
+
+#define FAIL(test, msg, ...) \
+       do { \
+               if (test) { \
+                       pr_err("%s/%u: " msg, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
+                       return -EINVAL; \
+               } \
+       } while (0)
+
+#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
+
+int test_drm_plane_helper(void);
+
+#endif

diff --git a/drivers/gpu/drm/selftests/test-drm-helper.c b/drivers/gpu/drm/selftests/test-drm_plane_helper.c
similarity index 93%
rename from drivers/gpu/drm/selftests/test-drm-helper.c
rename to drivers/gpu/drm/selftests/test-drm_plane_helper.c
index a015712b43e8277806b14d1198d4bbdeeaef6a10..0dad2f812a272c0ba7cbdce5c942294ef7ff8d08 100644 (file)
--- a/drivers/gpu/drm/selftests/test-drm-helper.c
+++ b/drivers/gpu/drm/selftests/test-drm_plane_helper.c
@@ -1,27 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
- * Test cases for the drm_kms_helper functions
+ * Test cases for the drm_plane_helper functions
  */
 
-#define pr_fmt(fmt) "drm_kms_helper: " fmt
-
-#include <linux/module.h>
+#define pr_fmt(fmt) "drm_plane_helper: " fmt
 
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_modes.h>
 
-#define TESTS "drm_helper_selftests.h"
-#include "drm_selftest.h"
-
-#define FAIL(test, msg, ...) \
-       do { \
-               if (test) { \
-                       pr_err("%s/%u: " msg, __FUNCTION__, __LINE__, ##__VA_ARGS__); \
-                       return -EINVAL; \
-               } \
-       } while (0)
+#include "test-drm_modeset_common.h"
 
-#define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
+#define TESTS "drm_plane_helper_selftests.h"
+#include "drm_selftest.h"
 
 static void set_src(struct drm_plane_state *plane_state,
                    unsigned src_x, unsigned src_y,
@@ -232,7 +223,10 @@ static int igt_check_plane_state(void *ignored)
 
 #include "drm_selftest.c"
 
-static int __init test_drm_helper_init(void)
+/**
+ * test_drm_plane_helper - Run drm plane helper selftests.
+ */
+int test_drm_plane_helper(void)
 {
        int err;
 
@@ -240,8 +234,3 @@ static int __init test_drm_helper_init(void)
 
        return err > 0 ? 0 : err;
 }
-
-module_init(test_drm_helper_init);
-
-MODULE_AUTHOR("Intel Corporation");
-MODULE_LICENSE("GPL");