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75fb60e5ad
Implement both functions for i915 and xe, they prepare the work for drm_panic support. They both use kmap_try_from_panic(), and map one page at a time, to write the panic screen on the framebuffer. Signed-off-by: Jocelyn Falempe <jfalempe@redhat.com> Link: https://lore.kernel.org/r/20250624091501.257661-8-jfalempe@redhat.com Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* SPDX-License-Identifier: MIT */
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/* Copyright © 2024 Intel Corporation */
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#ifndef __INTEL_BO__
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#define __INTEL_BO__
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#include <linux/types.h>
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struct drm_gem_object;
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struct drm_scanout_buffer;
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struct intel_framebuffer;
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struct seq_file;
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struct vm_area_struct;
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bool intel_bo_is_tiled(struct drm_gem_object *obj);
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bool intel_bo_is_userptr(struct drm_gem_object *obj);
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bool intel_bo_is_shmem(struct drm_gem_object *obj);
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bool intel_bo_is_protected(struct drm_gem_object *obj);
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void intel_bo_flush_if_display(struct drm_gem_object *obj);
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int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
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int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size);
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struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj);
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struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
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struct intel_frontbuffer *front);
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void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj);
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struct intel_framebuffer *intel_bo_alloc_framebuffer(void);
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int intel_bo_panic_setup(struct drm_scanout_buffer *sb);
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void intel_bo_panic_finish(struct intel_framebuffer *fb);
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#endif /* __INTEL_BO__ */
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