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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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711c39ea98
Add a helper for checking the gpu_reset_clobbers_display flag to make it easier to relocate the flag later. Reviewed-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/434d5db7675ed9717b3beae1389008b68a961855.1741001054.git.jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com>
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2008-2018 Intel Corporation
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*/
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#ifndef I915_RESET_H
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#define I915_RESET_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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#include <linux/srcu.h>
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#include "intel_engine_types.h"
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#include "intel_reset_types.h"
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struct i915_request;
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struct intel_engine_cs;
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struct intel_gt;
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struct intel_guc;
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void intel_gt_init_reset(struct intel_gt *gt);
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void intel_gt_fini_reset(struct intel_gt *gt);
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__printf(4, 5)
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void intel_gt_handle_error(struct intel_gt *gt,
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intel_engine_mask_t engine_mask,
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unsigned long flags,
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const char *fmt, ...);
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#define I915_ERROR_CAPTURE BIT(0)
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bool intel_gt_gpu_reset_clobbers_display(struct intel_gt *gt);
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void intel_gt_reset(struct intel_gt *gt,
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intel_engine_mask_t stalled_mask,
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const char *reason);
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int intel_engine_reset(struct intel_engine_cs *engine,
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const char *reason);
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int __intel_engine_reset_bh(struct intel_engine_cs *engine,
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const char *reason);
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void __i915_request_reset(struct i915_request *rq, bool guilty);
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int __must_check intel_gt_reset_trylock(struct intel_gt *gt, int *srcu);
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int __must_check intel_gt_reset_lock_interruptible(struct intel_gt *gt, int *srcu);
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void intel_gt_reset_unlock(struct intel_gt *gt, int tag);
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void intel_gt_set_wedged(struct intel_gt *gt);
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bool intel_gt_unset_wedged(struct intel_gt *gt);
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int intel_gt_terminally_wedged(struct intel_gt *gt);
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/*
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* There's no unset_wedged_on_init paired with this one.
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* Once we're wedged on init, there's no going back.
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* Same thing for unset_wedged_on_fini.
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*/
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void intel_gt_set_wedged_on_init(struct intel_gt *gt);
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void intel_gt_set_wedged_on_fini(struct intel_gt *gt);
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int intel_gt_reset_engine(struct intel_engine_cs *engine);
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int intel_gt_reset_all_engines(struct intel_gt *gt);
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int intel_reset_guc(struct intel_gt *gt);
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struct intel_wedge_me {
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struct delayed_work work;
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struct intel_gt *gt;
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const char *name;
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};
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void __intel_init_wedge(struct intel_wedge_me *w,
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struct intel_gt *gt,
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long timeout,
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const char *name);
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void __intel_fini_wedge(struct intel_wedge_me *w);
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#define intel_wedge_on_timeout(W, GT, TIMEOUT) \
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for (__intel_init_wedge((W), (GT), (TIMEOUT), __func__); \
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(W)->gt; \
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__intel_fini_wedge((W)))
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bool intel_has_gpu_reset(const struct intel_gt *gt);
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bool intel_has_reset_engine(const struct intel_gt *gt);
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bool intel_engine_reset_needs_wa_22011802037(struct intel_gt *gt);
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#endif /* I915_RESET_H */
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