diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.h')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.h b/drivers/gpu/drm/i915/gt/intel_reset.h new file mode 100644 index 000000000000..b52efaab4941 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/intel_reset.h @@ -0,0 +1,68 @@ +/* + * 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> +#include <linux/srcu.h> + +#include "gt/intel_engine_types.h" + +struct drm_i915_private; +struct i915_request; +struct intel_engine_cs; +struct intel_guc; + +__printf(4, 5) +void i915_handle_error(struct drm_i915_private *i915, + intel_engine_mask_t 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, + intel_engine_mask_t 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); + +int __must_check i915_reset_trylock(struct drm_i915_private *i915); +void i915_reset_unlock(struct drm_i915_private *i915, int tag); + +int i915_terminally_wedged(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, + intel_engine_mask_t 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 */ |