linux/drivers/gpu/drm/i915/display/intel_fb_pin.c

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2021 Intel Corporation
 */

/**
 * DOC: display pinning helpers
 */

#include "gem/i915_gem_domain.h"
#include "gem/i915_gem_object.h"

#include "i915_drv.h"
#include "intel_atomic_plane.h"
#include "intel_display_types.h"
#include "intel_dpt.h"
#include "intel_fb.h"
#include "intel_fb_pin.h"

static struct i915_vma *
intel_fb_pin_to_dpt(const struct drm_framebuffer *fb,
		    const struct i915_gtt_view *view,
		    unsigned int alignment,
		    unsigned long *out_flags,
		    struct i915_address_space *vm)
{ … }

struct i915_vma *
intel_fb_pin_to_ggtt(const struct drm_framebuffer *fb,
		     const struct i915_gtt_view *view,
		     unsigned int alignment,
		     unsigned int phys_alignment,
		     bool uses_fence,
		     unsigned long *out_flags)
{ … }

void intel_fb_unpin_vma(struct i915_vma *vma, unsigned long flags)
{ … }

static unsigned int
intel_plane_fb_min_alignment(const struct intel_plane_state *plane_state)
{ … }

static unsigned int
intel_plane_fb_min_phys_alignment(const struct intel_plane_state *plane_state)
{ … }

int intel_plane_pin_fb(struct intel_plane_state *plane_state)
{ … }

void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
{ … }