Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 142 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_selftest.h b/drivers/gpu/drm/i915/i915_selftest.h
new file mode 100644
index 0000000000..bdf3e22c0a
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_selftest.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+#ifndef __I915_SELFTEST_H__
+#define __I915_SELFTEST_H__
+
+#include <linux/types.h>
+
+struct pci_dev;
+struct drm_i915_private;
+
+struct i915_selftest {
+	unsigned long timeout_jiffies;
+	unsigned int timeout_ms;
+	unsigned int random_seed;
+	char *filter;
+	int mock;
+	int live;
+	int perf;
+};
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+#include <linux/fault-inject.h>
+
+extern struct i915_selftest i915_selftest;
+
+int i915_mock_selftests(void);
+int i915_live_selftests(struct pci_dev *pdev);
+int i915_perf_selftests(struct pci_dev *pdev);
+
+/* We extract the function declarations from i915_mock_selftests.h and
+ * i915_live_selftests.h Add your unit test declarations there!
+ *
+ * Mock unit tests are run very early upon module load, before the driver
+ * is probed. All hardware interactions, as well as other subsystems, must
+ * be "mocked".
+ *
+ * Live unit tests are run after the driver is loaded - all hardware
+ * interactions are real.
+ */
+#define selftest(name, func) int func(void);
+#include "selftests/i915_mock_selftests.h"
+#undef selftest
+#define selftest(name, func) int func(struct drm_i915_private *i915);
+#include "selftests/i915_live_selftests.h"
+#include "selftests/i915_perf_selftests.h"
+#undef selftest
+
+struct i915_subtest {
+	int (*func)(void *data);
+	const char *name;
+};
+
+int __i915_nop_setup(void *data);
+int __i915_nop_teardown(int err, void *data);
+
+int __i915_live_setup(void *data);
+int __i915_live_teardown(int err, void *data);
+
+int __intel_gt_live_setup(void *data);
+int __intel_gt_live_teardown(int err, void *data);
+
+int __i915_subtests(const char *caller,
+		    int (*setup)(void *data),
+		    int (*teardown)(int err, void *data),
+		    const struct i915_subtest *st,
+		    unsigned int count,
+		    void *data);
+#define i915_subtests(T, data) \
+	__i915_subtests(__func__, \
+			__i915_nop_setup, __i915_nop_teardown, \
+			T, ARRAY_SIZE(T), data)
+#define i915_live_subtests(T, data) ({ \
+	typecheck(struct drm_i915_private *, data); \
+	(data)->gt[0]->uc.guc.submission_state.sched_disable_delay_ms = 0; \
+	__i915_subtests(__func__, \
+			__i915_live_setup, __i915_live_teardown, \
+			T, ARRAY_SIZE(T), data); \
+})
+#define intel_gt_live_subtests(T, data) ({ \
+	typecheck(struct intel_gt *, data); \
+	(data)->uc.guc.submission_state.sched_disable_delay_ms = 0; \
+	__i915_subtests(__func__, \
+			__intel_gt_live_setup, __intel_gt_live_teardown, \
+			T, ARRAY_SIZE(T), data); \
+})
+
+#define SUBTEST(x) { x, #x }
+
+#define I915_SELFTEST_DECLARE(x) x
+#define I915_SELFTEST_ONLY(x) unlikely(x)
+#define I915_SELFTEST_EXPORT
+
+#else /* !IS_ENABLED(CONFIG_DRM_I915_SELFTEST) */
+
+static inline int i915_mock_selftests(void) { return 0; }
+static inline int i915_live_selftests(struct pci_dev *pdev) { return 0; }
+static inline int i915_perf_selftests(struct pci_dev *pdev) { return 0; }
+
+#define I915_SELFTEST_DECLARE(x)
+#define I915_SELFTEST_ONLY(x) 0
+#define I915_SELFTEST_EXPORT static
+
+#endif
+
+/* Using the i915_selftest_ prefix becomes a little unwieldy with the helpers.
+ * Instead we use the igt_ shorthand, in reference to the intel-gpu-tools
+ * suite of uabi test cases (which includes a test runner for our selftests).
+ */
+
+#define IGT_TIMEOUT(name__) \
+	unsigned long name__ = jiffies + i915_selftest.timeout_jiffies
+
+__printf(2, 3)
+bool __igt_timeout(unsigned long timeout, const char *fmt, ...);
+
+#define igt_timeout(t, fmt, ...) \
+	__igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+
+void igt_hexdump(const void *buf, size_t len);
+
+#endif /* !__I915_SELFTEST_H__ */