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path: root/drivers/gpu/drm/i915/i915_reset.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_reset.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reset.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reset.h b/drivers/gpu/drm/i915/i915_reset.h
new file mode 100644
index 000000000000..f2d347f319df
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_reset.h
@@ -0,0 +1,59 @@
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright © 2008-2018 Intel Corporation
+ */
+
+#ifndef I915_RESET_H
+#define I915_RESET_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+struct drm_i915_private;
+struct intel_engine_cs;
+struct intel_guc;
+
+__printf(4, 5)
+void i915_handle_error(struct drm_i915_private *i915,
+ u32 engine_mask,
+ unsigned long flags,
+ const char *fmt, ...);
+#define I915_ERROR_CAPTURE BIT(0)
+
+void i915_clear_error_registers(struct drm_i915_private *i915);
+
+void i915_reset(struct drm_i915_private *i915,
+ unsigned int stalled_mask,
+ const char *reason);
+int i915_reset_engine(struct intel_engine_cs *engine,
+ const char *reason);
+
+void i915_reset_request(struct i915_request *rq, bool guilty);
+bool i915_reset_flush(struct drm_i915_private *i915);
+
+bool intel_has_gpu_reset(struct drm_i915_private *i915);
+bool intel_has_reset_engine(struct drm_i915_private *i915);
+
+int intel_gpu_reset(struct drm_i915_private *i915, u32 engine_mask);
+
+int intel_reset_guc(struct drm_i915_private *i915);
+
+struct i915_wedge_me {
+ struct delayed_work work;
+ struct drm_i915_private *i915;
+ const char *name;
+};
+
+void __i915_init_wedge(struct i915_wedge_me *w,
+ struct drm_i915_private *i915,
+ long timeout,
+ const char *name);
+void __i915_fini_wedge(struct i915_wedge_me *w);
+
+#define i915_wedge_on_timeout(W, DEV, TIMEOUT) \
+ for (__i915_init_wedge((W), (DEV), (TIMEOUT), __func__); \
+ (W)->i915; \
+ __i915_fini_wedge((W)))
+
+#endif /* I915_RESET_H */