linux/drivers/gpu/drm/nouveau/dispnv50/wndw.c

/*
 * Copyright 2018 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "wndw.h"
#include "wimm.h"
#include "handles.h"

#include <nvif/class.h>
#include <nvif/cl0002.h>

#include <nvhw/class/cl507c.h>
#include <nvhw/class/cl507e.h>
#include <nvhw/class/clc37e.h>

#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_blend.h>
#include <drm/drm_gem_atomic_helper.h>
#include <drm/drm_fourcc.h>

#include "nouveau_bo.h"
#include "nouveau_gem.h"

static void
nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
{ … }

static struct nv50_wndw_ctxdma *
nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer *fb)
{ … }

int
nv50_wndw_wait_armed(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{ … }

void
nv50_wndw_flush_clr(struct nv50_wndw *wndw, u32 *interlock, bool flush,
		    struct nv50_wndw_atom *asyw)
{ … }

void
nv50_wndw_flush_set(struct nv50_wndw *wndw, u32 *interlock,
		    struct nv50_wndw_atom *asyw)
{ … }

void
nv50_wndw_ntfy_enable(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw)
{ … }

static void
nv50_wndw_atomic_check_release(struct nv50_wndw *wndw,
			       struct nv50_wndw_atom *asyw,
			       struct nv50_head_atom *asyh)
{ … }

static int
nv50_wndw_atomic_check_acquire_yuv(struct nv50_wndw_atom *asyw)
{ … }

static int
nv50_wndw_atomic_check_acquire_rgb(struct nv50_wndw_atom *asyw)
{ … }

static int
nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
			       struct nv50_wndw_atom *armw,
			       struct nv50_wndw_atom *asyw,
			       struct nv50_head_atom *asyh)
{ … }

static int
nv50_wndw_atomic_check_lut(struct nv50_wndw *wndw,
			   struct nv50_wndw_atom *armw,
			   struct nv50_wndw_atom *asyw,
			   struct nv50_head_atom *asyh)
{ … }

static int
nv50_wndw_atomic_check(struct drm_plane *plane,
		       struct drm_atomic_state *state)
{ … }

static void
nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
{ … }

static int
nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
{ … }

static const struct drm_plane_helper_funcs
nv50_wndw_helper = …;

static void
nv50_wndw_atomic_destroy_state(struct drm_plane *plane,
			       struct drm_plane_state *state)
{ … }

static struct drm_plane_state *
nv50_wndw_atomic_duplicate_state(struct drm_plane *plane)
{ … }

static int
nv50_wndw_zpos_default(struct drm_plane *plane)
{ … }

static void
nv50_wndw_reset(struct drm_plane *plane)
{ … }

static void
nv50_wndw_destroy(struct drm_plane *plane)
{ … }

/* This function assumes the format has already been validated against the plane
 * and the modifier was validated against the device-wides modifier list at FB
 * creation time.
 */
static bool nv50_plane_format_mod_supported(struct drm_plane *plane,
					    u32 format, u64 modifier)
{ … }

const struct drm_plane_funcs
nv50_wndw = …;

static const u64 nv50_cursor_format_modifiers[] = …;

int
nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
	       enum drm_plane_type type, const char *name, int index,
	       const u32 *format, u32 heads,
	       enum nv50_disp_interlock_type interlock_type, u32 interlock_data,
	       struct nv50_wndw **pwndw)
{ … }

int
nv50_wndw_new(struct nouveau_drm *drm, enum drm_plane_type type, int index,
	      struct nv50_wndw **pwndw)
{ … }