linux/drivers/gpu/drm/i915/display/i9xx_plane.c

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

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

#include "i915_reg.h"
#include "i9xx_plane.h"
#include "i9xx_plane_regs.h"
#include "intel_atomic.h"
#include "intel_atomic_plane.h"
#include "intel_de.h"
#include "intel_display_irq.h"
#include "intel_display_types.h"
#include "intel_fb.h"
#include "intel_fbc.h"
#include "intel_frontbuffer.h"
#include "intel_sprite.h"

/* Primary plane formats for gen <= 3 */
static const u32 i8xx_primary_formats[] = …;

/* Primary plane formats for ivb (no fp16 due to hw issue) */
static const u32 ivb_primary_formats[] = …;

/* Primary plane formats for gen >= 4, except ivb */
static const u32 i965_primary_formats[] = …;

/* Primary plane formats for vlv/chv */
static const u32 vlv_primary_formats[] = …;

static bool i8xx_plane_format_mod_supported(struct drm_plane *_plane,
					    u32 format, u64 modifier)
{ … }

static bool i965_plane_format_mod_supported(struct drm_plane *_plane,
					    u32 format, u64 modifier)
{ … }

static bool i9xx_plane_has_fbc(struct drm_i915_private *dev_priv,
			       enum i9xx_plane_id i9xx_plane)
{ … }

static struct intel_fbc *i9xx_plane_fbc(struct drm_i915_private *dev_priv,
					enum i9xx_plane_id i9xx_plane)
{ … }

static bool i9xx_plane_has_windowing(struct intel_plane *plane)
{ … }

static u32 i9xx_plane_ctl(const struct intel_crtc_state *crtc_state,
			  const struct intel_plane_state *plane_state)
{ … }

int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
{ … }

static int
i9xx_plane_check(struct intel_crtc_state *crtc_state,
		 struct intel_plane_state *plane_state)
{ … }

static u32 i9xx_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
{ … }

static void i9xx_plane_ratio(const struct intel_crtc_state *crtc_state,
			     const struct intel_plane_state *plane_state,
			     unsigned int *num, unsigned int *den)
{ … }

static int i9xx_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
				const struct intel_plane_state *plane_state)
{ … }

static void i9xx_plane_update_noarm(struct intel_plane *plane,
				    const struct intel_crtc_state *crtc_state,
				    const struct intel_plane_state *plane_state)
{ … }

static void i9xx_plane_update_arm(struct intel_plane *plane,
				  const struct intel_crtc_state *crtc_state,
				  const struct intel_plane_state *plane_state)
{ … }

static void i830_plane_update_arm(struct intel_plane *plane,
				  const struct intel_crtc_state *crtc_state,
				  const struct intel_plane_state *plane_state)
{ … }

static void i9xx_plane_disable_arm(struct intel_plane *plane,
				   const struct intel_crtc_state *crtc_state)
{ … }

static void
g4x_primary_async_flip(struct intel_plane *plane,
		       const struct intel_crtc_state *crtc_state,
		       const struct intel_plane_state *plane_state,
		       bool async_flip)
{ … }

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

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

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

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

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

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

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

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

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

static bool i9xx_plane_get_hw_state(struct intel_plane *plane,
				    enum pipe *pipe)
{ … }

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

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

unsigned int
i965_plane_max_stride(struct intel_plane *plane,
		      u32 pixel_format, u64 modifier,
		      unsigned int rotation)
{ … }

static unsigned int
i915_plane_max_stride(struct intel_plane *plane,
		      u32 pixel_format, u64 modifier,
		      unsigned int rotation)
{ … }

static unsigned int
i8xx_plane_max_stride(struct intel_plane *plane,
		      u32 pixel_format, u64 modifier,
		      unsigned int rotation)
{ … }

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

static unsigned int g4x_primary_min_alignment(struct intel_plane *plane,
					      const struct drm_framebuffer *fb,
					      int color_plane)
{ … }

static unsigned int i965_plane_min_alignment(struct intel_plane *plane,
					     const struct drm_framebuffer *fb,
					     int color_plane)
{ … }

static unsigned int i9xx_plane_min_alignment(struct intel_plane *plane,
					     const struct drm_framebuffer *fb,
					     int color_plane)
{ … }

static const struct drm_plane_funcs i965_plane_funcs = …;

static const struct drm_plane_funcs i8xx_plane_funcs = …;

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

static int i9xx_format_to_fourcc(int format)
{ … }

void
i9xx_get_initial_plane_config(struct intel_crtc *crtc,
			      struct intel_initial_plane_config *plane_config)
{ … }

bool i9xx_fixup_initial_plane_config(struct intel_crtc *crtc,
				     const struct intel_initial_plane_config *plane_config)
{ … }