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

// SPDX-License-Identifier: MIT
/*
 * Copyright © 2020 Intel Corporation
 */
#include <linux/kernel.h>

#include <drm/drm_atomic_helper.h>
#include <drm/drm_atomic_uapi.h>
#include <drm/drm_blend.h>
#include <drm/drm_damage_helper.h>
#include <drm/drm_fourcc.h>

#include "i915_reg.h"
#include "intel_atomic.h"
#include "intel_atomic_plane.h"
#include "intel_cursor.h"
#include "intel_cursor_regs.h"
#include "intel_de.h"
#include "intel_display.h"
#include "intel_display_types.h"
#include "intel_fb.h"
#include "intel_fb_pin.h"
#include "intel_frontbuffer.h"
#include "intel_psr.h"
#include "intel_psr_regs.h"
#include "intel_vblank.h"
#include "skl_watermark.h"

#include "gem/i915_gem_object.h"

/* Cursor formats */
static const u32 intel_cursor_formats[] = …;

static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
{ … }

static u32 intel_cursor_position(const struct intel_crtc_state *crtc_state,
				 const struct intel_plane_state *plane_state,
				 bool early_tpt)
{ … }

static bool intel_cursor_size_ok(const struct intel_plane_state *plane_state)
{ … }

static int intel_cursor_check_surface(struct intel_plane_state *plane_state)
{ … }

static int intel_check_cursor(struct intel_crtc_state *crtc_state,
			      struct intel_plane_state *plane_state)
{ … }

static unsigned int
i845_cursor_max_stride(struct intel_plane *plane,
		       u32 pixel_format, u64 modifier,
		       unsigned int rotation)
{ … }

static unsigned int i845_cursor_min_alignment(struct intel_plane *plane,
					      const struct drm_framebuffer *fb,
					      int color_plane)
{ … }

static u32 i845_cursor_ctl_crtc(const struct intel_crtc_state *crtc_state)
{ … }

static u32 i845_cursor_ctl(const struct intel_crtc_state *crtc_state,
			   const struct intel_plane_state *plane_state)
{ … }

static bool i845_cursor_size_ok(const struct intel_plane_state *plane_state)
{ … }

static int i845_check_cursor(struct intel_crtc_state *crtc_state,
			     struct intel_plane_state *plane_state)
{ … }

/* TODO: split into noarm+arm pair */
static void i845_cursor_update_arm(struct intel_plane *plane,
				   const struct intel_crtc_state *crtc_state,
				   const struct intel_plane_state *plane_state)
{ … }

static void i845_cursor_disable_arm(struct intel_plane *plane,
				    const struct intel_crtc_state *crtc_state)
{ … }

static bool i845_cursor_get_hw_state(struct intel_plane *plane,
				     enum pipe *pipe)
{ … }

static unsigned int
i9xx_cursor_max_stride(struct intel_plane *plane,
		       u32 pixel_format, u64 modifier,
		       unsigned int rotation)
{ … }

static unsigned int i830_cursor_min_alignment(struct intel_plane *plane,
					      const struct drm_framebuffer *fb,
					      int color_plane)
{ … }

static unsigned int i85x_cursor_min_alignment(struct intel_plane *plane,
					      const struct drm_framebuffer *fb,
					      int color_plane)
{ … }

static unsigned int i9xx_cursor_min_alignment(struct intel_plane *plane,
					      const struct drm_framebuffer *fb,
					      int color_plane)
{ … }

static u32 i9xx_cursor_ctl_crtc(const struct intel_crtc_state *crtc_state)
{ … }

static u32 i9xx_cursor_ctl(const struct intel_crtc_state *crtc_state,
			   const struct intel_plane_state *plane_state)
{ … }

static bool i9xx_cursor_size_ok(const struct intel_plane_state *plane_state)
{ … }

static int i9xx_check_cursor(struct intel_crtc_state *crtc_state,
			     struct intel_plane_state *plane_state)
{ … }

static void i9xx_cursor_disable_sel_fetch_arm(struct intel_plane *plane,
					      const struct intel_crtc_state *crtc_state)
{ … }

static void wa_16021440873(struct intel_plane *plane,
			   const struct intel_crtc_state *crtc_state,
			   const struct intel_plane_state *plane_state)
{ … }

static void i9xx_cursor_update_sel_fetch_arm(struct intel_plane *plane,
					     const struct intel_crtc_state *crtc_state,
					     const struct intel_plane_state *plane_state)
{ … }

static u32 skl_cursor_ddb_reg_val(const struct skl_ddb_entry *entry)
{ … }

static u32 skl_cursor_wm_reg_val(const struct skl_wm_level *level)
{ … }

static void skl_write_cursor_wm(struct intel_plane *plane,
				const struct intel_crtc_state *crtc_state)
{ … }

/* TODO: split into noarm+arm pair */
static void i9xx_cursor_update_arm(struct intel_plane *plane,
				   const struct intel_crtc_state *crtc_state,
				   const struct intel_plane_state *plane_state)
{ … }

static void i9xx_cursor_disable_arm(struct intel_plane *plane,
				    const struct intel_crtc_state *crtc_state)
{ … }

static bool i9xx_cursor_get_hw_state(struct intel_plane *plane,
				     enum pipe *pipe)
{ … }

static bool intel_cursor_format_mod_supported(struct drm_plane *_plane,
					      u32 format, u64 modifier)
{ … }

void intel_cursor_unpin_work(struct kthread_work *base)
{ … }

static int
intel_legacy_cursor_update(struct drm_plane *_plane,
			   struct drm_crtc *_crtc,
			   struct drm_framebuffer *fb,
			   int crtc_x, int crtc_y,
			   unsigned int crtc_w, unsigned int crtc_h,
			   u32 src_x, u32 src_y,
			   u32 src_w, u32 src_h,
			   struct drm_modeset_acquire_ctx *ctx)
{ … }

static const struct drm_plane_funcs intel_cursor_plane_funcs = …;

static void intel_cursor_add_size_hints_property(struct intel_plane *plane)
{ … }

struct intel_plane *
intel_cursor_plane_create(struct drm_i915_private *dev_priv,
			  enum pipe pipe)
{ … }