1/*
   2 * Copyright © 2011 Intel Corporation
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice (including the next
  12 * paragraph) shall be included in all copies or substantial portions of the
  13 * Software.
  14 *
  15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21 * SOFTWARE.
  22 *
  23 * Authors:
  24 *   Jesse Barnes <jbarnes@virtuousgeek.org>
  25 *
  26 * New plane/sprite handling.
  27 *
  28 * The older chips had a separate interface for programming plane related
  29 * registers; newer ones are much simpler and we can use the new DRM plane
  30 * support.
  31 */
  32
  33#include <drm/drm_atomic.h>
 
  34#include <drm/drm_atomic_helper.h>
 
  35#include <drm/drm_color_mgmt.h>
  36#include <drm/drm_crtc.h>
  37#include <drm/drm_damage_helper.h>
  38#include <drm/drm_fourcc.h>
  39#include <drm/drm_plane_helper.h>
  40#include <drm/drm_rect.h>
  41
  42#include "i915_drv.h"
  43#include "i915_trace.h"
  44#include "i915_vgpu.h"
  45#include "intel_atomic_plane.h"
  46#include "intel_de.h"
  47#include "intel_display_types.h"
 
  48#include "intel_frontbuffer.h"
  49#include "intel_sprite.h"
  50#include "i9xx_plane.h"
  51#include "intel_vrr.h"
  52
  53int intel_plane_check_src_coordinates(struct intel_plane_state *plane_state)
  54{
  55	const struct drm_framebuffer *fb = plane_state->hw.fb;
  56	struct drm_rect *src = &plane_state->uapi.src;
  57	u32 src_x, src_y, src_w, src_h, hsub, vsub;
  58	bool rotated = drm_rotation_90_or_270(plane_state->hw.rotation);
  59
  60	/*
  61	 * FIXME hsub/vsub vs. block size is a mess. Pre-tgl CCS
  62	 * abuses hsub/vsub so we can't use them here. But as they
  63	 * are limited to 32bpp RGB formats we don't actually need
  64	 * to check anything.
  65	 */
  66	if (fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
  67	    fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS)
  68		return 0;
  69
  70	/*
  71	 * Hardware doesn't handle subpixel coordinates.
  72	 * Adjust to (macro)pixel boundary, but be careful not to
  73	 * increase the source viewport size, because that could
  74	 * push the downscaling factor out of bounds.
  75	 */
  76	src_x = src->x1 >> 16;
  77	src_w = drm_rect_width(src) >> 16;
  78	src_y = src->y1 >> 16;
  79	src_h = drm_rect_height(src) >> 16;
  80
  81	drm_rect_init(src, src_x << 16, src_y << 16,
  82		      src_w << 16, src_h << 16);
  83
  84	if (fb->format->format == DRM_FORMAT_RGB565 && rotated) {
  85		hsub = 2;
  86		vsub = 2;
  87	} else {
  88		hsub = fb->format->hsub;
  89		vsub = fb->format->vsub;
  90	}
  91
  92	if (rotated)
  93		hsub = vsub = max(hsub, vsub);
  94
  95	if (src_x % hsub || src_w % hsub) {
  96		DRM_DEBUG_KMS("src x/w (%u, %u) must be a multiple of %u (rotated: %s)\n",
  97			      src_x, src_w, hsub, yesno(rotated));
  98		return -EINVAL;
  99	}
 100
 101	if (src_y % vsub || src_h % vsub) {
 102		DRM_DEBUG_KMS("src y/h (%u, %u) must be a multiple of %u (rotated: %s)\n",
 103			      src_y, src_h, vsub, yesno(rotated));
 104		return -EINVAL;
 105	}
 106
 107	return 0;
 108}
 109
 110static void i9xx_plane_linear_gamma(u16 gamma[8])
 111{
 112	/* The points are not evenly spaced. */
 113	static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 };
 114	int i;
 115
 116	for (i = 0; i < 8; i++)
 117		gamma[i] = (in[i] << 8) / 32;
 118}
 119
 120static void
 121chv_update_csc(const struct intel_plane_state *plane_state)
 122{
 123	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 124	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 125	const struct drm_framebuffer *fb = plane_state->hw.fb;
 126	enum plane_id plane_id = plane->id;
 127	/*
 128	 * |r|   | c0 c1 c2 |   |cr|
 129	 * |g| = | c3 c4 c5 | x |y |
 130	 * |b|   | c6 c7 c8 |   |cb|
 131	 *
 132	 * Coefficients are s3.12.
 133	 *
 134	 * Cb and Cr apparently come in as signed already, and
 135	 * we always get full range data in on account of CLRC0/1.
 136	 */
 137	static const s16 csc_matrix[][9] = {
 138		/* BT.601 full range YCbCr -> full range RGB */
 139		[DRM_COLOR_YCBCR_BT601] = {
 140			 5743, 4096,     0,
 141			-2925, 4096, -1410,
 142			    0, 4096,  7258,
 143		},
 144		/* BT.709 full range YCbCr -> full range RGB */
 145		[DRM_COLOR_YCBCR_BT709] = {
 146			 6450, 4096,     0,
 147			-1917, 4096,  -767,
 148			    0, 4096,  7601,
 149		},
 150	};
 151	const s16 *csc = csc_matrix[plane_state->hw.color_encoding];
 152
 153	/* Seems RGB data bypasses the CSC always */
 154	if (!fb->format->is_yuv)
 155		return;
 156
 157	intel_de_write_fw(dev_priv, SPCSCYGOFF(plane_id),
 158			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
 159	intel_de_write_fw(dev_priv, SPCSCCBOFF(plane_id),
 160			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
 161	intel_de_write_fw(dev_priv, SPCSCCROFF(plane_id),
 162			  SPCSC_OOFF(0) | SPCSC_IOFF(0));
 163
 164	intel_de_write_fw(dev_priv, SPCSCC01(plane_id),
 165			  SPCSC_C1(csc[1]) | SPCSC_C0(csc[0]));
 166	intel_de_write_fw(dev_priv, SPCSCC23(plane_id),
 167			  SPCSC_C1(csc[3]) | SPCSC_C0(csc[2]));
 168	intel_de_write_fw(dev_priv, SPCSCC45(plane_id),
 169			  SPCSC_C1(csc[5]) | SPCSC_C0(csc[4]));
 170	intel_de_write_fw(dev_priv, SPCSCC67(plane_id),
 171			  SPCSC_C1(csc[7]) | SPCSC_C0(csc[6]));
 172	intel_de_write_fw(dev_priv, SPCSCC8(plane_id), SPCSC_C0(csc[8]));
 173
 174	intel_de_write_fw(dev_priv, SPCSCYGICLAMP(plane_id),
 175			  SPCSC_IMAX(1023) | SPCSC_IMIN(0));
 176	intel_de_write_fw(dev_priv, SPCSCCBICLAMP(plane_id),
 177			  SPCSC_IMAX(512) | SPCSC_IMIN(-512));
 178	intel_de_write_fw(dev_priv, SPCSCCRICLAMP(plane_id),
 179			  SPCSC_IMAX(512) | SPCSC_IMIN(-512));
 180
 181	intel_de_write_fw(dev_priv, SPCSCYGOCLAMP(plane_id),
 182			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 183	intel_de_write_fw(dev_priv, SPCSCCBOCLAMP(plane_id),
 184			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 185	intel_de_write_fw(dev_priv, SPCSCCROCLAMP(plane_id),
 186			  SPCSC_OMAX(1023) | SPCSC_OMIN(0));
 187}
 188
 189#define SIN_0 0
 190#define COS_0 1
 191
 192static void
 193vlv_update_clrc(const struct intel_plane_state *plane_state)
 194{
 195	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 196	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 197	const struct drm_framebuffer *fb = plane_state->hw.fb;
 198	enum pipe pipe = plane->pipe;
 199	enum plane_id plane_id = plane->id;
 200	int contrast, brightness, sh_scale, sh_sin, sh_cos;
 201
 202	if (fb->format->is_yuv &&
 203	    plane_state->hw.color_range == DRM_COLOR_YCBCR_LIMITED_RANGE) {
 204		/*
 205		 * Expand limited range to full range:
 206		 * Contrast is applied first and is used to expand Y range.
 207		 * Brightness is applied second and is used to remove the
 208		 * offset from Y. Saturation/hue is used to expand CbCr range.
 209		 */
 210		contrast = DIV_ROUND_CLOSEST(255 << 6, 235 - 16);
 211		brightness = -DIV_ROUND_CLOSEST(16 * 255, 235 - 16);
 212		sh_scale = DIV_ROUND_CLOSEST(128 << 7, 240 - 128);
 213		sh_sin = SIN_0 * sh_scale;
 214		sh_cos = COS_0 * sh_scale;
 215	} else {
 216		/* Pass-through everything. */
 217		contrast = 1 << 6;
 218		brightness = 0;
 219		sh_scale = 1 << 7;
 220		sh_sin = SIN_0 * sh_scale;
 221		sh_cos = COS_0 * sh_scale;
 222	}
 223
 224	/* FIXME these register are single buffered :( */
 225	intel_de_write_fw(dev_priv, SPCLRC0(pipe, plane_id),
 226			  SP_CONTRAST(contrast) | SP_BRIGHTNESS(brightness));
 227	intel_de_write_fw(dev_priv, SPCLRC1(pipe, plane_id),
 228			  SP_SH_SIN(sh_sin) | SP_SH_COS(sh_cos));
 229}
 230
 231static void
 232vlv_plane_ratio(const struct intel_crtc_state *crtc_state,
 233		const struct intel_plane_state *plane_state,
 234		unsigned int *num, unsigned int *den)
 235{
 236	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
 237	const struct drm_framebuffer *fb = plane_state->hw.fb;
 238	unsigned int cpp = fb->format->cpp[0];
 239
 240	/*
 241	 * VLV bspec only considers cases where all three planes are
 242	 * enabled, and cases where the primary and one sprite is enabled.
 243	 * Let's assume the case with just two sprites enabled also
 244	 * maps to the latter case.
 245	 */
 246	if (hweight8(active_planes) == 3) {
 247		switch (cpp) {
 248		case 8:
 249			*num = 11;
 250			*den = 8;
 251			break;
 252		case 4:
 253			*num = 18;
 254			*den = 16;
 255			break;
 256		default:
 257			*num = 1;
 258			*den = 1;
 259			break;
 260		}
 261	} else if (hweight8(active_planes) == 2) {
 262		switch (cpp) {
 263		case 8:
 264			*num = 10;
 265			*den = 8;
 266			break;
 267		case 4:
 268			*num = 17;
 269			*den = 16;
 270			break;
 271		default:
 272			*num = 1;
 273			*den = 1;
 274			break;
 275		}
 276	} else {
 277		switch (cpp) {
 278		case 8:
 279			*num = 10;
 280			*den = 8;
 281			break;
 282		default:
 283			*num = 1;
 284			*den = 1;
 285			break;
 286		}
 287	}
 288}
 289
 290int vlv_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
 291			const struct intel_plane_state *plane_state)
 292{
 293	unsigned int pixel_rate;
 294	unsigned int num, den;
 295
 296	/*
 297	 * Note that crtc_state->pixel_rate accounts for both
 298	 * horizontal and vertical panel fitter downscaling factors.
 299	 * Pre-HSW bspec tells us to only consider the horizontal
 300	 * downscaling factor here. We ignore that and just consider
 301	 * both for simplicity.
 302	 */
 303	pixel_rate = crtc_state->pixel_rate;
 304
 305	vlv_plane_ratio(crtc_state, plane_state, &num, &den);
 306
 307	return DIV_ROUND_UP(pixel_rate * num, den);
 308}
 309
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 310static u32 vlv_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
 311{
 312	u32 sprctl = 0;
 313
 314	if (crtc_state->gamma_enable)
 315		sprctl |= SP_GAMMA_ENABLE;
 316
 317	return sprctl;
 318}
 319
 320static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
 321			  const struct intel_plane_state *plane_state)
 322{
 323	const struct drm_framebuffer *fb = plane_state->hw.fb;
 324	unsigned int rotation = plane_state->hw.rotation;
 325	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 326	u32 sprctl;
 327
 328	sprctl = SP_ENABLE;
 329
 330	switch (fb->format->format) {
 331	case DRM_FORMAT_YUYV:
 332		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YUYV;
 333		break;
 334	case DRM_FORMAT_YVYU:
 335		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_YVYU;
 336		break;
 337	case DRM_FORMAT_UYVY:
 338		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_UYVY;
 339		break;
 340	case DRM_FORMAT_VYUY:
 341		sprctl |= SP_FORMAT_YUV422 | SP_YUV_ORDER_VYUY;
 342		break;
 343	case DRM_FORMAT_C8:
 344		sprctl |= SP_FORMAT_8BPP;
 345		break;
 346	case DRM_FORMAT_RGB565:
 347		sprctl |= SP_FORMAT_BGR565;
 348		break;
 349	case DRM_FORMAT_XRGB8888:
 350		sprctl |= SP_FORMAT_BGRX8888;
 351		break;
 352	case DRM_FORMAT_ARGB8888:
 353		sprctl |= SP_FORMAT_BGRA8888;
 354		break;
 355	case DRM_FORMAT_XBGR2101010:
 356		sprctl |= SP_FORMAT_RGBX1010102;
 357		break;
 358	case DRM_FORMAT_ABGR2101010:
 359		sprctl |= SP_FORMAT_RGBA1010102;
 360		break;
 361	case DRM_FORMAT_XRGB2101010:
 362		sprctl |= SP_FORMAT_BGRX1010102;
 363		break;
 364	case DRM_FORMAT_ARGB2101010:
 365		sprctl |= SP_FORMAT_BGRA1010102;
 366		break;
 367	case DRM_FORMAT_XBGR8888:
 368		sprctl |= SP_FORMAT_RGBX8888;
 369		break;
 370	case DRM_FORMAT_ABGR8888:
 371		sprctl |= SP_FORMAT_RGBA8888;
 372		break;
 373	default:
 374		MISSING_CASE(fb->format->format);
 375		return 0;
 376	}
 377
 378	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
 379		sprctl |= SP_YUV_FORMAT_BT709;
 380
 381	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
 382		sprctl |= SP_TILED;
 383
 384	if (rotation & DRM_MODE_ROTATE_180)
 385		sprctl |= SP_ROTATE_180;
 386
 387	if (rotation & DRM_MODE_REFLECT_X)
 388		sprctl |= SP_MIRROR;
 389
 390	if (key->flags & I915_SET_COLORKEY_SOURCE)
 391		sprctl |= SP_SOURCE_KEY;
 392
 393	return sprctl;
 394}
 395
 396static void vlv_update_gamma(const struct intel_plane_state *plane_state)
 397{
 398	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 399	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 400	const struct drm_framebuffer *fb = plane_state->hw.fb;
 401	enum pipe pipe = plane->pipe;
 402	enum plane_id plane_id = plane->id;
 403	u16 gamma[8];
 404	int i;
 405
 406	/* Seems RGB data bypasses the gamma always */
 407	if (!fb->format->is_yuv)
 408		return;
 409
 410	i9xx_plane_linear_gamma(gamma);
 411
 412	/* FIXME these register are single buffered :( */
 413	/* The two end points are implicit (0.0 and 1.0) */
 414	for (i = 1; i < 8 - 1; i++)
 415		intel_de_write_fw(dev_priv, SPGAMC(pipe, plane_id, i - 1),
 416				  gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
 417}
 418
 419static void
 420vlv_update_plane(struct intel_plane *plane,
 421		 const struct intel_crtc_state *crtc_state,
 422		 const struct intel_plane_state *plane_state)
 
 423{
 424	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 425	enum pipe pipe = plane->pipe;
 426	enum plane_id plane_id = plane->id;
 427	u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
 428	u32 linear_offset;
 429	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 430	int crtc_x = plane_state->uapi.dst.x1;
 431	int crtc_y = plane_state->uapi.dst.y1;
 432	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
 433	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 434	u32 x = plane_state->view.color_plane[0].x;
 435	u32 y = plane_state->view.color_plane[0].y;
 436	unsigned long irqflags;
 437	u32 sprctl;
 438
 439	sprctl = plane_state->ctl | vlv_sprite_ctl_crtc(crtc_state);
 440
 441	/* Sizes are 0 based */
 442	crtc_w--;
 443	crtc_h--;
 444
 445	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
 446
 447	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 448
 449	intel_de_write_fw(dev_priv, SPSTRIDE(pipe, plane_id),
 450			  plane_state->view.color_plane[0].stride);
 451	intel_de_write_fw(dev_priv, SPPOS(pipe, plane_id),
 452			  (crtc_y << 16) | crtc_x);
 453	intel_de_write_fw(dev_priv, SPSIZE(pipe, plane_id),
 454			  (crtc_h << 16) | crtc_w);
 455	intel_de_write_fw(dev_priv, SPCONSTALPHA(pipe, plane_id), 0);
 456
 457	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B)
 458		chv_update_csc(plane_state);
 459
 460	if (key->flags) {
 461		intel_de_write_fw(dev_priv, SPKEYMINVAL(pipe, plane_id),
 462				  key->min_value);
 463		intel_de_write_fw(dev_priv, SPKEYMSK(pipe, plane_id),
 464				  key->channel_mask);
 465		intel_de_write_fw(dev_priv, SPKEYMAXVAL(pipe, plane_id),
 466				  key->max_value);
 467	}
 468
 469	intel_de_write_fw(dev_priv, SPLINOFF(pipe, plane_id), linear_offset);
 470	intel_de_write_fw(dev_priv, SPTILEOFF(pipe, plane_id), (y << 16) | x);
 
 
 
 471
 472	/*
 473	 * The control register self-arms if the plane was previously
 474	 * disabled. Try to make the plane enable atomic by writing
 475	 * the control register just before the surface register.
 476	 */
 477	intel_de_write_fw(dev_priv, SPCNTR(pipe, plane_id), sprctl);
 478	intel_de_write_fw(dev_priv, SPSURF(pipe, plane_id),
 479			  intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
 480
 481	vlv_update_clrc(plane_state);
 482	vlv_update_gamma(plane_state);
 483
 484	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 485}
 486
 487static void
 488vlv_disable_plane(struct intel_plane *plane,
 489		  const struct intel_crtc_state *crtc_state)
 
 490{
 491	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 492	enum pipe pipe = plane->pipe;
 493	enum plane_id plane_id = plane->id;
 494	unsigned long irqflags;
 495
 496	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 497
 498	intel_de_write_fw(dev_priv, SPCNTR(pipe, plane_id), 0);
 499	intel_de_write_fw(dev_priv, SPSURF(pipe, plane_id), 0);
 500
 501	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 502}
 503
 504static bool
 505vlv_plane_get_hw_state(struct intel_plane *plane,
 506		       enum pipe *pipe)
 507{
 
 508	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 509	enum intel_display_power_domain power_domain;
 510	enum plane_id plane_id = plane->id;
 511	intel_wakeref_t wakeref;
 512	bool ret;
 513
 514	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
 515	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
 516	if (!wakeref)
 517		return false;
 518
 519	ret = intel_de_read(dev_priv, SPCNTR(plane->pipe, plane_id)) & SP_ENABLE;
 520
 521	*pipe = plane->pipe;
 522
 523	intel_display_power_put(dev_priv, power_domain, wakeref);
 524
 525	return ret;
 526}
 527
 528static void ivb_plane_ratio(const struct intel_crtc_state *crtc_state,
 529			    const struct intel_plane_state *plane_state,
 530			    unsigned int *num, unsigned int *den)
 531{
 532	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
 533	const struct drm_framebuffer *fb = plane_state->hw.fb;
 534	unsigned int cpp = fb->format->cpp[0];
 535
 536	if (hweight8(active_planes) == 2) {
 537		switch (cpp) {
 538		case 8:
 539			*num = 10;
 540			*den = 8;
 541			break;
 542		case 4:
 543			*num = 17;
 544			*den = 16;
 545			break;
 546		default:
 547			*num = 1;
 548			*den = 1;
 549			break;
 550		}
 551	} else {
 552		switch (cpp) {
 553		case 8:
 554			*num = 9;
 555			*den = 8;
 556			break;
 557		default:
 558			*num = 1;
 559			*den = 1;
 560			break;
 561		}
 562	}
 563}
 564
 565static void ivb_plane_ratio_scaling(const struct intel_crtc_state *crtc_state,
 566				    const struct intel_plane_state *plane_state,
 567				    unsigned int *num, unsigned int *den)
 568{
 569	const struct drm_framebuffer *fb = plane_state->hw.fb;
 570	unsigned int cpp = fb->format->cpp[0];
 571
 572	switch (cpp) {
 573	case 8:
 574		*num = 12;
 575		*den = 8;
 576		break;
 577	case 4:
 578		*num = 19;
 579		*den = 16;
 580		break;
 581	case 2:
 582		*num = 33;
 583		*den = 32;
 584		break;
 585	default:
 586		*num = 1;
 587		*den = 1;
 588		break;
 589	}
 590}
 591
 592int ivb_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
 593			const struct intel_plane_state *plane_state)
 594{
 595	unsigned int pixel_rate;
 596	unsigned int num, den;
 597
 598	/*
 599	 * Note that crtc_state->pixel_rate accounts for both
 600	 * horizontal and vertical panel fitter downscaling factors.
 601	 * Pre-HSW bspec tells us to only consider the horizontal
 602	 * downscaling factor here. We ignore that and just consider
 603	 * both for simplicity.
 604	 */
 605	pixel_rate = crtc_state->pixel_rate;
 606
 607	ivb_plane_ratio(crtc_state, plane_state, &num, &den);
 608
 609	return DIV_ROUND_UP(pixel_rate * num, den);
 610}
 611
 612static int ivb_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
 613				const struct intel_plane_state *plane_state)
 614{
 615	unsigned int src_w, dst_w, pixel_rate;
 616	unsigned int num, den;
 617
 618	/*
 619	 * Note that crtc_state->pixel_rate accounts for both
 620	 * horizontal and vertical panel fitter downscaling factors.
 621	 * Pre-HSW bspec tells us to only consider the horizontal
 622	 * downscaling factor here. We ignore that and just consider
 623	 * both for simplicity.
 624	 */
 625	pixel_rate = crtc_state->pixel_rate;
 626
 627	src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
 628	dst_w = drm_rect_width(&plane_state->uapi.dst);
 629
 630	if (src_w != dst_w)
 631		ivb_plane_ratio_scaling(crtc_state, plane_state, &num, &den);
 632	else
 633		ivb_plane_ratio(crtc_state, plane_state, &num, &den);
 634
 635	/* Horizontal downscaling limits the maximum pixel rate */
 636	dst_w = min(src_w, dst_w);
 637
 638	return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, num * src_w),
 639				den * dst_w);
 640}
 641
 642static void hsw_plane_ratio(const struct intel_crtc_state *crtc_state,
 643			    const struct intel_plane_state *plane_state,
 644			    unsigned int *num, unsigned int *den)
 645{
 646	u8 active_planes = crtc_state->active_planes & ~BIT(PLANE_CURSOR);
 647	const struct drm_framebuffer *fb = plane_state->hw.fb;
 648	unsigned int cpp = fb->format->cpp[0];
 649
 650	if (hweight8(active_planes) == 2) {
 651		switch (cpp) {
 652		case 8:
 653			*num = 10;
 654			*den = 8;
 655			break;
 656		default:
 657			*num = 1;
 658			*den = 1;
 659			break;
 660		}
 661	} else {
 662		switch (cpp) {
 663		case 8:
 664			*num = 9;
 665			*den = 8;
 666			break;
 667		default:
 668			*num = 1;
 669			*den = 1;
 670			break;
 671		}
 672	}
 673}
 674
 675int hsw_plane_min_cdclk(const struct intel_crtc_state *crtc_state,
 676			const struct intel_plane_state *plane_state)
 677{
 678	unsigned int pixel_rate = crtc_state->pixel_rate;
 679	unsigned int num, den;
 680
 681	hsw_plane_ratio(crtc_state, plane_state, &num, &den);
 682
 683	return DIV_ROUND_UP(pixel_rate * num, den);
 684}
 685
 686static u32 ivb_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
 687{
 688	u32 sprctl = 0;
 689
 690	if (crtc_state->gamma_enable)
 691		sprctl |= SPRITE_GAMMA_ENABLE;
 692
 693	if (crtc_state->csc_enable)
 694		sprctl |= SPRITE_PIPE_CSC_ENABLE;
 695
 696	return sprctl;
 697}
 698
 699static bool ivb_need_sprite_gamma(const struct intel_plane_state *plane_state)
 700{
 701	struct drm_i915_private *dev_priv =
 702		to_i915(plane_state->uapi.plane->dev);
 703	const struct drm_framebuffer *fb = plane_state->hw.fb;
 704
 705	return fb->format->cpp[0] == 8 &&
 706		(IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv));
 707}
 708
 709static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
 710			  const struct intel_plane_state *plane_state)
 711{
 712	struct drm_i915_private *dev_priv =
 713		to_i915(plane_state->uapi.plane->dev);
 714	const struct drm_framebuffer *fb = plane_state->hw.fb;
 715	unsigned int rotation = plane_state->hw.rotation;
 716	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 717	u32 sprctl;
 718
 719	sprctl = SPRITE_ENABLE;
 720
 721	if (IS_IVYBRIDGE(dev_priv))
 722		sprctl |= SPRITE_TRICKLE_FEED_DISABLE;
 723
 724	switch (fb->format->format) {
 725	case DRM_FORMAT_XBGR8888:
 726		sprctl |= SPRITE_FORMAT_RGBX888 | SPRITE_RGB_ORDER_RGBX;
 727		break;
 728	case DRM_FORMAT_XRGB8888:
 729		sprctl |= SPRITE_FORMAT_RGBX888;
 730		break;
 731	case DRM_FORMAT_XBGR2101010:
 732		sprctl |= SPRITE_FORMAT_RGBX101010 | SPRITE_RGB_ORDER_RGBX;
 733		break;
 734	case DRM_FORMAT_XRGB2101010:
 735		sprctl |= SPRITE_FORMAT_RGBX101010;
 736		break;
 737	case DRM_FORMAT_XBGR16161616F:
 738		sprctl |= SPRITE_FORMAT_RGBX161616 | SPRITE_RGB_ORDER_RGBX;
 739		break;
 740	case DRM_FORMAT_XRGB16161616F:
 741		sprctl |= SPRITE_FORMAT_RGBX161616;
 742		break;
 743	case DRM_FORMAT_YUYV:
 744		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YUYV;
 745		break;
 746	case DRM_FORMAT_YVYU:
 747		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_YVYU;
 748		break;
 749	case DRM_FORMAT_UYVY:
 750		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_UYVY;
 751		break;
 752	case DRM_FORMAT_VYUY:
 753		sprctl |= SPRITE_FORMAT_YUV422 | SPRITE_YUV_ORDER_VYUY;
 754		break;
 755	default:
 756		MISSING_CASE(fb->format->format);
 757		return 0;
 758	}
 759
 760	if (!ivb_need_sprite_gamma(plane_state))
 761		sprctl |= SPRITE_INT_GAMMA_DISABLE;
 762
 763	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
 764		sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
 765
 766	if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
 767		sprctl |= SPRITE_YUV_RANGE_CORRECTION_DISABLE;
 768
 769	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
 770		sprctl |= SPRITE_TILED;
 771
 772	if (rotation & DRM_MODE_ROTATE_180)
 773		sprctl |= SPRITE_ROTATE_180;
 774
 775	if (key->flags & I915_SET_COLORKEY_DESTINATION)
 776		sprctl |= SPRITE_DEST_KEY;
 777	else if (key->flags & I915_SET_COLORKEY_SOURCE)
 778		sprctl |= SPRITE_SOURCE_KEY;
 779
 780	return sprctl;
 781}
 782
 783static void ivb_sprite_linear_gamma(const struct intel_plane_state *plane_state,
 784				    u16 gamma[18])
 785{
 786	int scale, i;
 787
 788	/*
 789	 * WaFP16GammaEnabling:ivb,hsw
 790	 * "Workaround : When using the 64-bit format, the sprite output
 791	 *  on each color channel has one quarter amplitude. It can be
 792	 *  brought up to full amplitude by using sprite internal gamma
 793	 *  correction, pipe gamma correction, or pipe color space
 794	 *  conversion to multiply the sprite output by four."
 795	 */
 796	scale = 4;
 797
 798	for (i = 0; i < 16; i++)
 799		gamma[i] = min((scale * i << 10) / 16, (1 << 10) - 1);
 800
 801	gamma[i] = min((scale * i << 10) / 16, 1 << 10);
 802	i++;
 803
 804	gamma[i] = 3 << 10;
 805	i++;
 806}
 807
 808static void ivb_update_gamma(const struct intel_plane_state *plane_state)
 809{
 810	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 811	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 812	enum pipe pipe = plane->pipe;
 813	u16 gamma[18];
 814	int i;
 815
 816	if (!ivb_need_sprite_gamma(plane_state))
 817		return;
 818
 819	ivb_sprite_linear_gamma(plane_state, gamma);
 820
 821	/* FIXME these register are single buffered :( */
 822	for (i = 0; i < 16; i++)
 823		intel_de_write_fw(dev_priv, SPRGAMC(pipe, i),
 824				  gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
 825
 826	intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 0), gamma[i]);
 827	intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 1), gamma[i]);
 828	intel_de_write_fw(dev_priv, SPRGAMC16(pipe, 2), gamma[i]);
 829	i++;
 830
 831	intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 0), gamma[i]);
 832	intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 1), gamma[i]);
 833	intel_de_write_fw(dev_priv, SPRGAMC17(pipe, 2), gamma[i]);
 834	i++;
 835}
 836
 837static void
 838ivb_update_plane(struct intel_plane *plane,
 839		 const struct intel_crtc_state *crtc_state,
 840		 const struct intel_plane_state *plane_state)
 
 841{
 
 842	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 843	enum pipe pipe = plane->pipe;
 844	u32 sprsurf_offset = plane_state->view.color_plane[0].offset;
 845	u32 linear_offset;
 846	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 847	int crtc_x = plane_state->uapi.dst.x1;
 848	int crtc_y = plane_state->uapi.dst.y1;
 849	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
 850	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
 851	u32 x = plane_state->view.color_plane[0].x;
 852	u32 y = plane_state->view.color_plane[0].y;
 853	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
 854	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
 855	u32 sprctl, sprscale = 0;
 856	unsigned long irqflags;
 857
 858	sprctl = plane_state->ctl | ivb_sprite_ctl_crtc(crtc_state);
 859
 860	/* Sizes are 0 based */
 861	src_w--;
 862	src_h--;
 863	crtc_w--;
 864	crtc_h--;
 865
 866	if (crtc_w != src_w || crtc_h != src_h)
 867		sprscale = SPRITE_SCALE_ENABLE | (src_w << 16) | src_h;
 
 
 
 
 
 
 
 
 
 
 
 
 868
 869	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
 
 
 
 
 
 
 
 
 
 
 
 
 
 870
 871	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 872
 873	intel_de_write_fw(dev_priv, SPRSTRIDE(pipe),
 874			  plane_state->view.color_plane[0].stride);
 875	intel_de_write_fw(dev_priv, SPRPOS(pipe), (crtc_y << 16) | crtc_x);
 876	intel_de_write_fw(dev_priv, SPRSIZE(pipe), (crtc_h << 16) | crtc_w);
 877	if (IS_IVYBRIDGE(dev_priv))
 878		intel_de_write_fw(dev_priv, SPRSCALE(pipe), sprscale);
 879
 880	if (key->flags) {
 881		intel_de_write_fw(dev_priv, SPRKEYVAL(pipe), key->min_value);
 882		intel_de_write_fw(dev_priv, SPRKEYMSK(pipe),
 883				  key->channel_mask);
 884		intel_de_write_fw(dev_priv, SPRKEYMAX(pipe), key->max_value);
 885	}
 886
 887	/* HSW consolidates SPRTILEOFF and SPRLINOFF into a single SPROFFSET
 888	 * register */
 889	if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
 890		intel_de_write_fw(dev_priv, SPROFFSET(pipe), (y << 16) | x);
 
 891	} else {
 892		intel_de_write_fw(dev_priv, SPRLINOFF(pipe), linear_offset);
 893		intel_de_write_fw(dev_priv, SPRTILEOFF(pipe), (y << 16) | x);
 
 894	}
 895
 896	/*
 897	 * The control register self-arms if the plane was previously
 898	 * disabled. Try to make the plane enable atomic by writing
 899	 * the control register just before the surface register.
 900	 */
 901	intel_de_write_fw(dev_priv, SPRCTL(pipe), sprctl);
 902	intel_de_write_fw(dev_priv, SPRSURF(pipe),
 903			  intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
 904
 905	ivb_update_gamma(plane_state);
 906
 907	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 908}
 909
 910static void
 911ivb_disable_plane(struct intel_plane *plane,
 912		  const struct intel_crtc_state *crtc_state)
 
 913{
 
 914	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 915	enum pipe pipe = plane->pipe;
 916	unsigned long irqflags;
 917
 918	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
 919
 920	intel_de_write_fw(dev_priv, SPRCTL(pipe), 0);
 921	/* Disable the scaler */
 922	if (IS_IVYBRIDGE(dev_priv))
 923		intel_de_write_fw(dev_priv, SPRSCALE(pipe), 0);
 924	intel_de_write_fw(dev_priv, SPRSURF(pipe), 0);
 925
 926	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 927}
 928
 929static bool
 930ivb_plane_get_hw_state(struct intel_plane *plane,
 931		       enum pipe *pipe)
 932{
 
 933	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 934	enum intel_display_power_domain power_domain;
 935	intel_wakeref_t wakeref;
 936	bool ret;
 937
 938	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
 939	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
 940	if (!wakeref)
 941		return false;
 942
 943	ret =  intel_de_read(dev_priv, SPRCTL(plane->pipe)) & SPRITE_ENABLE;
 944
 945	*pipe = plane->pipe;
 946
 947	intel_display_power_put(dev_priv, power_domain, wakeref);
 948
 949	return ret;
 950}
 951
 952static int g4x_sprite_min_cdclk(const struct intel_crtc_state *crtc_state,
 953				const struct intel_plane_state *plane_state)
 954{
 955	const struct drm_framebuffer *fb = plane_state->hw.fb;
 956	unsigned int hscale, pixel_rate;
 957	unsigned int limit, decimate;
 958
 959	/*
 960	 * Note that crtc_state->pixel_rate accounts for both
 961	 * horizontal and vertical panel fitter downscaling factors.
 962	 * Pre-HSW bspec tells us to only consider the horizontal
 963	 * downscaling factor here. We ignore that and just consider
 964	 * both for simplicity.
 965	 */
 966	pixel_rate = crtc_state->pixel_rate;
 967
 968	/* Horizontal downscaling limits the maximum pixel rate */
 969	hscale = drm_rect_calc_hscale(&plane_state->uapi.src,
 970				      &plane_state->uapi.dst,
 971				      0, INT_MAX);
 972	hscale = max(hscale, 0x10000u);
 973
 974	/* Decimation steps at 2x,4x,8x,16x */
 975	decimate = ilog2(hscale >> 16);
 976	hscale >>= decimate;
 977
 978	/* Starting limit is 90% of cdclk */
 979	limit = 9;
 980
 981	/* -10% per decimation step */
 982	limit -= decimate;
 983
 984	/* -10% for RGB */
 985	if (!fb->format->is_yuv)
 986		limit--;
 987
 988	/*
 989	 * We should also do -10% if sprite scaling is enabled
 990	 * on the other pipe, but we can't really check for that,
 991	 * so we ignore it.
 992	 */
 993
 994	return DIV_ROUND_UP_ULL(mul_u32_u32(pixel_rate, 10 * hscale),
 995				limit << 16);
 996}
 997
 998static unsigned int
 999g4x_sprite_max_stride(struct intel_plane *plane,
1000		      u32 pixel_format, u64 modifier,
1001		      unsigned int rotation)
1002{
1003	const struct drm_format_info *info = drm_format_info(pixel_format);
1004	int cpp = info->cpp[0];
1005
1006	/* Limit to 4k pixels to guarantee TILEOFF.x doesn't get too big. */
1007	if (modifier == I915_FORMAT_MOD_X_TILED)
1008		return min(4096 * cpp, 16 * 1024);
1009	else
1010		return 16 * 1024;
1011}
1012
1013static unsigned int
1014hsw_sprite_max_stride(struct intel_plane *plane,
1015		      u32 pixel_format, u64 modifier,
1016		      unsigned int rotation)
1017{
1018	const struct drm_format_info *info = drm_format_info(pixel_format);
1019	int cpp = info->cpp[0];
1020
1021	/* Limit to 8k pixels to guarantee OFFSET.x doesn't get too big. */
1022	return min(8192 * cpp, 16 * 1024);
1023}
1024
 
 
 
 
 
 
 
1025static u32 g4x_sprite_ctl_crtc(const struct intel_crtc_state *crtc_state)
1026{
1027	u32 dvscntr = 0;
1028
1029	if (crtc_state->gamma_enable)
1030		dvscntr |= DVS_GAMMA_ENABLE;
1031
1032	if (crtc_state->csc_enable)
1033		dvscntr |= DVS_PIPE_CSC_ENABLE;
1034
1035	return dvscntr;
1036}
1037
1038static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
1039			  const struct intel_plane_state *plane_state)
1040{
1041	struct drm_i915_private *dev_priv =
1042		to_i915(plane_state->uapi.plane->dev);
1043	const struct drm_framebuffer *fb = plane_state->hw.fb;
1044	unsigned int rotation = plane_state->hw.rotation;
1045	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1046	u32 dvscntr;
1047
1048	dvscntr = DVS_ENABLE;
1049
1050	if (IS_SANDYBRIDGE(dev_priv))
1051		dvscntr |= DVS_TRICKLE_FEED_DISABLE;
1052
1053	switch (fb->format->format) {
1054	case DRM_FORMAT_XBGR8888:
1055		dvscntr |= DVS_FORMAT_RGBX888 | DVS_RGB_ORDER_XBGR;
1056		break;
1057	case DRM_FORMAT_XRGB8888:
1058		dvscntr |= DVS_FORMAT_RGBX888;
1059		break;
1060	case DRM_FORMAT_XBGR2101010:
1061		dvscntr |= DVS_FORMAT_RGBX101010 | DVS_RGB_ORDER_XBGR;
1062		break;
1063	case DRM_FORMAT_XRGB2101010:
1064		dvscntr |= DVS_FORMAT_RGBX101010;
1065		break;
1066	case DRM_FORMAT_XBGR16161616F:
1067		dvscntr |= DVS_FORMAT_RGBX161616 | DVS_RGB_ORDER_XBGR;
1068		break;
1069	case DRM_FORMAT_XRGB16161616F:
1070		dvscntr |= DVS_FORMAT_RGBX161616;
1071		break;
1072	case DRM_FORMAT_YUYV:
1073		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YUYV;
1074		break;
1075	case DRM_FORMAT_YVYU:
1076		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_YVYU;
1077		break;
1078	case DRM_FORMAT_UYVY:
1079		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_UYVY;
1080		break;
1081	case DRM_FORMAT_VYUY:
1082		dvscntr |= DVS_FORMAT_YUV422 | DVS_YUV_ORDER_VYUY;
1083		break;
1084	default:
1085		MISSING_CASE(fb->format->format);
1086		return 0;
1087	}
1088
1089	if (plane_state->hw.color_encoding == DRM_COLOR_YCBCR_BT709)
1090		dvscntr |= DVS_YUV_FORMAT_BT709;
1091
1092	if (plane_state->hw.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
1093		dvscntr |= DVS_YUV_RANGE_CORRECTION_DISABLE;
1094
1095	if (fb->modifier == I915_FORMAT_MOD_X_TILED)
1096		dvscntr |= DVS_TILED;
1097
1098	if (rotation & DRM_MODE_ROTATE_180)
1099		dvscntr |= DVS_ROTATE_180;
1100
1101	if (key->flags & I915_SET_COLORKEY_DESTINATION)
1102		dvscntr |= DVS_DEST_KEY;
1103	else if (key->flags & I915_SET_COLORKEY_SOURCE)
1104		dvscntr |= DVS_SOURCE_KEY;
1105
1106	return dvscntr;
1107}
1108
1109static void g4x_update_gamma(const struct intel_plane_state *plane_state)
1110{
1111	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1112	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1113	const struct drm_framebuffer *fb = plane_state->hw.fb;
1114	enum pipe pipe = plane->pipe;
1115	u16 gamma[8];
1116	int i;
1117
1118	/* Seems RGB data bypasses the gamma always */
1119	if (!fb->format->is_yuv)
1120		return;
1121
1122	i9xx_plane_linear_gamma(gamma);
1123
1124	/* FIXME these register are single buffered :( */
1125	/* The two end points are implicit (0.0 and 1.0) */
1126	for (i = 1; i < 8 - 1; i++)
1127		intel_de_write_fw(dev_priv, DVSGAMC_G4X(pipe, i - 1),
1128				  gamma[i] << 16 | gamma[i] << 8 | gamma[i]);
1129}
1130
1131static void ilk_sprite_linear_gamma(u16 gamma[17])
1132{
1133	int i;
1134
1135	for (i = 0; i < 17; i++)
1136		gamma[i] = (i << 10) / 16;
1137}
1138
1139static void ilk_update_gamma(const struct intel_plane_state *plane_state)
1140{
1141	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1142	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1143	const struct drm_framebuffer *fb = plane_state->hw.fb;
1144	enum pipe pipe = plane->pipe;
1145	u16 gamma[17];
1146	int i;
1147
1148	/* Seems RGB data bypasses the gamma always */
1149	if (!fb->format->is_yuv)
1150		return;
1151
1152	ilk_sprite_linear_gamma(gamma);
1153
1154	/* FIXME these register are single buffered :( */
1155	for (i = 0; i < 16; i++)
1156		intel_de_write_fw(dev_priv, DVSGAMC_ILK(pipe, i),
1157				  gamma[i] << 20 | gamma[i] << 10 | gamma[i]);
1158
1159	intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 0), gamma[i]);
1160	intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 1), gamma[i]);
1161	intel_de_write_fw(dev_priv, DVSGAMCMAX_ILK(pipe, 2), gamma[i]);
1162	i++;
1163}
1164
1165static void
1166g4x_update_plane(struct intel_plane *plane,
1167		 const struct intel_crtc_state *crtc_state,
1168		 const struct intel_plane_state *plane_state)
 
1169{
1170	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1171	enum pipe pipe = plane->pipe;
1172	u32 dvssurf_offset = plane_state->view.color_plane[0].offset;
1173	u32 linear_offset;
1174	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1175	int crtc_x = plane_state->uapi.dst.x1;
1176	int crtc_y = plane_state->uapi.dst.y1;
1177	u32 crtc_w = drm_rect_width(&plane_state->uapi.dst);
1178	u32 crtc_h = drm_rect_height(&plane_state->uapi.dst);
1179	u32 x = plane_state->view.color_plane[0].x;
1180	u32 y = plane_state->view.color_plane[0].y;
1181	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
1182	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
1183	u32 dvscntr, dvsscale = 0;
1184	unsigned long irqflags;
1185
1186	dvscntr = plane_state->ctl | g4x_sprite_ctl_crtc(crtc_state);
1187
1188	/* Sizes are 0 based */
1189	src_w--;
1190	src_h--;
1191	crtc_w--;
1192	crtc_h--;
1193
1194	if (crtc_w != src_w || crtc_h != src_h)
1195		dvsscale = DVS_SCALE_ENABLE | (src_w << 16) | src_h;
 
 
 
 
 
 
 
 
 
 
 
1196
1197	linear_offset = intel_fb_xy_to_linear(x, y, plane_state, 0);
 
 
 
 
 
 
 
 
 
 
 
 
 
1198
1199	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
1200
1201	intel_de_write_fw(dev_priv, DVSSTRIDE(pipe),
1202			  plane_state->view.color_plane[0].stride);
1203	intel_de_write_fw(dev_priv, DVSPOS(pipe), (crtc_y << 16) | crtc_x);
1204	intel_de_write_fw(dev_priv, DVSSIZE(pipe), (crtc_h << 16) | crtc_w);
1205	intel_de_write_fw(dev_priv, DVSSCALE(pipe), dvsscale);
1206
1207	if (key->flags) {
1208		intel_de_write_fw(dev_priv, DVSKEYVAL(pipe), key->min_value);
1209		intel_de_write_fw(dev_priv, DVSKEYMSK(pipe),
1210				  key->channel_mask);
1211		intel_de_write_fw(dev_priv, DVSKEYMAX(pipe), key->max_value);
1212	}
1213
1214	intel_de_write_fw(dev_priv, DVSLINOFF(pipe), linear_offset);
1215	intel_de_write_fw(dev_priv, DVSTILEOFF(pipe), (y << 16) | x);
 
1216
1217	/*
1218	 * The control register self-arms if the plane was previously
1219	 * disabled. Try to make the plane enable atomic by writing
1220	 * the control register just before the surface register.
1221	 */
1222	intel_de_write_fw(dev_priv, DVSCNTR(pipe), dvscntr);
1223	intel_de_write_fw(dev_priv, DVSSURF(pipe),
1224			  intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
1225
1226	if (IS_G4X(dev_priv))
1227		g4x_update_gamma(plane_state);
1228	else
1229		ilk_update_gamma(plane_state);
1230
1231	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
1232}
1233
1234static void
1235g4x_disable_plane(struct intel_plane *plane,
1236		  const struct intel_crtc_state *crtc_state)
 
1237{
1238	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1239	enum pipe pipe = plane->pipe;
1240	unsigned long irqflags;
1241
1242	spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
1243
1244	intel_de_write_fw(dev_priv, DVSCNTR(pipe), 0);
1245	/* Disable the scaler */
1246	intel_de_write_fw(dev_priv, DVSSCALE(pipe), 0);
1247	intel_de_write_fw(dev_priv, DVSSURF(pipe), 0);
1248
1249	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
1250}
1251
1252static bool
1253g4x_plane_get_hw_state(struct intel_plane *plane,
1254		       enum pipe *pipe)
1255{
 
1256	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1257	enum intel_display_power_domain power_domain;
1258	intel_wakeref_t wakeref;
1259	bool ret;
1260
1261	power_domain = POWER_DOMAIN_PIPE(plane->pipe);
1262	wakeref = intel_display_power_get_if_enabled(dev_priv, power_domain);
1263	if (!wakeref)
1264		return false;
1265
1266	ret = intel_de_read(dev_priv, DVSCNTR(plane->pipe)) & DVS_ENABLE;
1267
1268	*pipe = plane->pipe;
1269
1270	intel_display_power_put(dev_priv, power_domain, wakeref);
1271
1272	return ret;
1273}
1274
1275static bool g4x_fb_scalable(const struct drm_framebuffer *fb)
1276{
1277	if (!fb)
1278		return false;
1279
1280	switch (fb->format->format) {
1281	case DRM_FORMAT_C8:
1282	case DRM_FORMAT_XRGB16161616F:
1283	case DRM_FORMAT_ARGB16161616F:
1284	case DRM_FORMAT_XBGR16161616F:
1285	case DRM_FORMAT_ABGR16161616F:
1286		return false;
1287	default:
1288		return true;
1289	}
1290}
1291
1292static int
1293g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
1294			 struct intel_plane_state *plane_state)
1295{
 
1296	const struct drm_framebuffer *fb = plane_state->hw.fb;
1297	const struct drm_rect *src = &plane_state->uapi.src;
1298	const struct drm_rect *dst = &plane_state->uapi.dst;
1299	int src_x, src_w, src_h, crtc_w, crtc_h;
1300	const struct drm_display_mode *adjusted_mode =
1301		&crtc_state->hw.adjusted_mode;
1302	unsigned int stride = plane_state->view.color_plane[0].stride;
1303	unsigned int cpp = fb->format->cpp[0];
1304	unsigned int width_bytes;
1305	int min_width, min_height;
1306
1307	crtc_w = drm_rect_width(dst);
1308	crtc_h = drm_rect_height(dst);
1309
1310	src_x = src->x1 >> 16;
1311	src_w = drm_rect_width(src) >> 16;
1312	src_h = drm_rect_height(src) >> 16;
1313
1314	if (src_w == crtc_w && src_h == crtc_h)
1315		return 0;
1316
1317	min_width = 3;
1318
1319	if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
1320		if (src_h & 1) {
1321			DRM_DEBUG_KMS("Source height must be even with interlaced modes\n");
 
1322			return -EINVAL;
1323		}
1324		min_height = 6;
1325	} else {
1326		min_height = 3;
1327	}
1328
1329	width_bytes = ((src_x * cpp) & 63) + src_w * cpp;
1330
1331	if (src_w < min_width || src_h < min_height ||
1332	    src_w > 2048 || src_h > 2048) {
1333		DRM_DEBUG_KMS("Source dimensions (%dx%d) exceed hardware limits (%dx%d - %dx%d)\n",
1334			      src_w, src_h, min_width, min_height, 2048, 2048);
 
1335		return -EINVAL;
1336	}
1337
1338	if (width_bytes > 4096) {
1339		DRM_DEBUG_KMS("Fetch width (%d) exceeds hardware max with scaling (%u)\n",
1340			      width_bytes, 4096);
 
1341		return -EINVAL;
1342	}
1343
1344	if (stride > 4096) {
1345		DRM_DEBUG_KMS("Stride (%u) exceeds hardware max with scaling (%u)\n",
1346			      stride, 4096);
 
1347		return -EINVAL;
1348	}
1349
1350	return 0;
1351}
1352
1353static int
1354g4x_sprite_check(struct intel_crtc_state *crtc_state,
1355		 struct intel_plane_state *plane_state)
1356{
 
1357	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1358	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1359	int min_scale = DRM_PLANE_HELPER_NO_SCALING;
1360	int max_scale = DRM_PLANE_HELPER_NO_SCALING;
1361	int ret;
1362
1363	if (g4x_fb_scalable(plane_state->hw.fb)) {
1364		if (DISPLAY_VER(dev_priv) < 7) {
1365			min_scale = 1;
1366			max_scale = 16 << 16;
1367		} else if (IS_IVYBRIDGE(dev_priv)) {
1368			min_scale = 1;
1369			max_scale = 2 << 16;
1370		}
1371	}
1372
1373	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
1374						min_scale, max_scale, true);
1375	if (ret)
1376		return ret;
1377
1378	ret = i9xx_check_plane_surface(plane_state);
1379	if (ret)
1380		return ret;
1381
1382	if (!plane_state->uapi.visible)
1383		return 0;
1384
1385	ret = intel_plane_check_src_coordinates(plane_state);
1386	if (ret)
1387		return ret;
1388
1389	ret = g4x_sprite_check_scaling(crtc_state, plane_state);
1390	if (ret)
1391		return ret;
1392
1393	if (DISPLAY_VER(dev_priv) >= 7)
1394		plane_state->ctl = ivb_sprite_ctl(crtc_state, plane_state);
1395	else
1396		plane_state->ctl = g4x_sprite_ctl(crtc_state, plane_state);
1397
1398	return 0;
1399}
1400
1401int chv_plane_check_rotation(const struct intel_plane_state *plane_state)
1402{
1403	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
 
1404	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1405	unsigned int rotation = plane_state->hw.rotation;
1406
1407	/* CHV ignores the mirror bit when the rotate bit is set :( */
1408	if (IS_CHERRYVIEW(dev_priv) &&
1409	    rotation & DRM_MODE_ROTATE_180 &&
1410	    rotation & DRM_MODE_REFLECT_X) {
1411		drm_dbg_kms(&dev_priv->drm,
1412			    "Cannot rotate and reflect at the same time\n");
1413		return -EINVAL;
1414	}
1415
1416	return 0;
1417}
1418
1419static int
1420vlv_sprite_check(struct intel_crtc_state *crtc_state,
1421		 struct intel_plane_state *plane_state)
1422{
1423	int ret;
1424
1425	ret = chv_plane_check_rotation(plane_state);
1426	if (ret)
1427		return ret;
1428
1429	ret = intel_atomic_plane_check_clipping(plane_state, crtc_state,
1430						DRM_PLANE_HELPER_NO_SCALING,
1431						DRM_PLANE_HELPER_NO_SCALING,
1432						true);
1433	if (ret)
1434		return ret;
1435
1436	ret = i9xx_check_plane_surface(plane_state);
1437	if (ret)
1438		return ret;
1439
1440	if (!plane_state->uapi.visible)
1441		return 0;
1442
1443	ret = intel_plane_check_src_coordinates(plane_state);
1444	if (ret)
1445		return ret;
1446
1447	plane_state->ctl = vlv_sprite_ctl(crtc_state, plane_state);
1448
1449	return 0;
1450}
1451
1452static bool has_dst_key_in_primary_plane(struct drm_i915_private *dev_priv)
1453{
1454	return DISPLAY_VER(dev_priv) >= 9;
1455}
1456
1457static void intel_plane_set_ckey(struct intel_plane_state *plane_state,
1458				 const struct drm_intel_sprite_colorkey *set)
1459{
1460	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
1461	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
1462	struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
1463
1464	*key = *set;
1465
1466	/*
1467	 * We want src key enabled on the
1468	 * sprite and not on the primary.
1469	 */
1470	if (plane->id == PLANE_PRIMARY &&
1471	    set->flags & I915_SET_COLORKEY_SOURCE)
1472		key->flags = 0;
1473
1474	/*
1475	 * On SKL+ we want dst key enabled on
1476	 * the primary and not on the sprite.
1477	 */
1478	if (DISPLAY_VER(dev_priv) >= 9 && plane->id != PLANE_PRIMARY &&
1479	    set->flags & I915_SET_COLORKEY_DESTINATION)
1480		key->flags = 0;
1481}
1482
1483int intel_sprite_set_colorkey_ioctl(struct drm_device *dev, void *data,
1484				    struct drm_file *file_priv)
1485{
1486	struct drm_i915_private *dev_priv = to_i915(dev);
1487	struct drm_intel_sprite_colorkey *set = data;
1488	struct drm_plane *plane;
1489	struct drm_plane_state *plane_state;
1490	struct drm_atomic_state *state;
1491	struct drm_modeset_acquire_ctx ctx;
1492	int ret = 0;
1493
1494	/* ignore the pointless "none" flag */
1495	set->flags &= ~I915_SET_COLORKEY_NONE;
1496
1497	if (set->flags & ~(I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
1498		return -EINVAL;
1499
1500	/* Make sure we don't try to enable both src & dest simultaneously */
1501	if ((set->flags & (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE)) == (I915_SET_COLORKEY_DESTINATION | I915_SET_COLORKEY_SOURCE))
1502		return -EINVAL;
1503
1504	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
1505	    set->flags & I915_SET_COLORKEY_DESTINATION)
1506		return -EINVAL;
1507
1508	plane = drm_plane_find(dev, file_priv, set->plane_id);
1509	if (!plane || plane->type != DRM_PLANE_TYPE_OVERLAY)
1510		return -ENOENT;
1511
1512	/*
1513	 * SKL+ only plane 2 can do destination keying against plane 1.
1514	 * Also multiple planes can't do destination keying on the same
1515	 * pipe simultaneously.
1516	 */
1517	if (DISPLAY_VER(dev_priv) >= 9 &&
1518	    to_intel_plane(plane)->id >= PLANE_SPRITE1 &&
1519	    set->flags & I915_SET_COLORKEY_DESTINATION)
1520		return -EINVAL;
1521
1522	drm_modeset_acquire_init(&ctx, 0);
1523
1524	state = drm_atomic_state_alloc(plane->dev);
1525	if (!state) {
1526		ret = -ENOMEM;
1527		goto out;
1528	}
1529	state->acquire_ctx = &ctx;
1530
1531	while (1) {
1532		plane_state = drm_atomic_get_plane_state(state, plane);
1533		ret = PTR_ERR_OR_ZERO(plane_state);
1534		if (!ret)
1535			intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
1536
1537		/*
1538		 * On some platforms we have to configure
1539		 * the dst colorkey on the primary plane.
1540		 */
1541		if (!ret && has_dst_key_in_primary_plane(dev_priv)) {
1542			struct intel_crtc *crtc =
1543				intel_get_crtc_for_pipe(dev_priv,
1544							to_intel_plane(plane)->pipe);
1545
1546			plane_state = drm_atomic_get_plane_state(state,
1547								 crtc->base.primary);
1548			ret = PTR_ERR_OR_ZERO(plane_state);
1549			if (!ret)
1550				intel_plane_set_ckey(to_intel_plane_state(plane_state), set);
1551		}
1552
1553		if (!ret)
1554			ret = drm_atomic_commit(state);
1555
1556		if (ret != -EDEADLK)
1557			break;
1558
1559		drm_atomic_state_clear(state);
1560		drm_modeset_backoff(&ctx);
1561	}
1562
1563	drm_atomic_state_put(state);
1564out:
1565	drm_modeset_drop_locks(&ctx);
1566	drm_modeset_acquire_fini(&ctx);
1567	return ret;
1568}
1569
1570static const u32 g4x_plane_formats[] = {
1571	DRM_FORMAT_XRGB8888,
1572	DRM_FORMAT_YUYV,
1573	DRM_FORMAT_YVYU,
1574	DRM_FORMAT_UYVY,
1575	DRM_FORMAT_VYUY,
1576};
1577
1578static const u64 i9xx_plane_format_modifiers[] = {
1579	I915_FORMAT_MOD_X_TILED,
1580	DRM_FORMAT_MOD_LINEAR,
1581	DRM_FORMAT_MOD_INVALID
1582};
1583
1584static const u32 snb_plane_formats[] = {
1585	DRM_FORMAT_XRGB8888,
1586	DRM_FORMAT_XBGR8888,
1587	DRM_FORMAT_XRGB2101010,
1588	DRM_FORMAT_XBGR2101010,
1589	DRM_FORMAT_XRGB16161616F,
1590	DRM_FORMAT_XBGR16161616F,
1591	DRM_FORMAT_YUYV,
1592	DRM_FORMAT_YVYU,
1593	DRM_FORMAT_UYVY,
1594	DRM_FORMAT_VYUY,
1595};
1596
1597static const u32 vlv_plane_formats[] = {
1598	DRM_FORMAT_C8,
1599	DRM_FORMAT_RGB565,
1600	DRM_FORMAT_XRGB8888,
1601	DRM_FORMAT_XBGR8888,
1602	DRM_FORMAT_ARGB8888,
1603	DRM_FORMAT_ABGR8888,
1604	DRM_FORMAT_XBGR2101010,
1605	DRM_FORMAT_ABGR2101010,
1606	DRM_FORMAT_YUYV,
1607	DRM_FORMAT_YVYU,
1608	DRM_FORMAT_UYVY,
1609	DRM_FORMAT_VYUY,
1610};
1611
1612static const u32 chv_pipe_b_sprite_formats[] = {
1613	DRM_FORMAT_C8,
1614	DRM_FORMAT_RGB565,
1615	DRM_FORMAT_XRGB8888,
1616	DRM_FORMAT_XBGR8888,
1617	DRM_FORMAT_ARGB8888,
1618	DRM_FORMAT_ABGR8888,
1619	DRM_FORMAT_XRGB2101010,
1620	DRM_FORMAT_XBGR2101010,
1621	DRM_FORMAT_ARGB2101010,
1622	DRM_FORMAT_ABGR2101010,
1623	DRM_FORMAT_YUYV,
1624	DRM_FORMAT_YVYU,
1625	DRM_FORMAT_UYVY,
1626	DRM_FORMAT_VYUY,
1627};
1628
1629static bool g4x_sprite_format_mod_supported(struct drm_plane *_plane,
1630					    u32 format, u64 modifier)
1631{
1632	switch (modifier) {
1633	case DRM_FORMAT_MOD_LINEAR:
1634	case I915_FORMAT_MOD_X_TILED:
1635		break;
1636	default:
1637		return false;
1638	}
1639
1640	switch (format) {
1641	case DRM_FORMAT_XRGB8888:
1642	case DRM_FORMAT_YUYV:
1643	case DRM_FORMAT_YVYU:
1644	case DRM_FORMAT_UYVY:
1645	case DRM_FORMAT_VYUY:
1646		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1647		    modifier == I915_FORMAT_MOD_X_TILED)
1648			return true;
1649		fallthrough;
1650	default:
1651		return false;
1652	}
1653}
1654
1655static bool snb_sprite_format_mod_supported(struct drm_plane *_plane,
1656					    u32 format, u64 modifier)
1657{
1658	switch (modifier) {
1659	case DRM_FORMAT_MOD_LINEAR:
1660	case I915_FORMAT_MOD_X_TILED:
1661		break;
1662	default:
1663		return false;
1664	}
1665
1666	switch (format) {
1667	case DRM_FORMAT_XRGB8888:
1668	case DRM_FORMAT_XBGR8888:
1669	case DRM_FORMAT_XRGB2101010:
1670	case DRM_FORMAT_XBGR2101010:
1671	case DRM_FORMAT_XRGB16161616F:
1672	case DRM_FORMAT_XBGR16161616F:
1673	case DRM_FORMAT_YUYV:
1674	case DRM_FORMAT_YVYU:
1675	case DRM_FORMAT_UYVY:
1676	case DRM_FORMAT_VYUY:
1677		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1678		    modifier == I915_FORMAT_MOD_X_TILED)
1679			return true;
1680		fallthrough;
1681	default:
1682		return false;
1683	}
1684}
1685
1686static bool vlv_sprite_format_mod_supported(struct drm_plane *_plane,
1687					    u32 format, u64 modifier)
1688{
1689	switch (modifier) {
1690	case DRM_FORMAT_MOD_LINEAR:
1691	case I915_FORMAT_MOD_X_TILED:
1692		break;
1693	default:
1694		return false;
1695	}
1696
1697	switch (format) {
1698	case DRM_FORMAT_C8:
1699	case DRM_FORMAT_RGB565:
1700	case DRM_FORMAT_ABGR8888:
1701	case DRM_FORMAT_ARGB8888:
1702	case DRM_FORMAT_XBGR8888:
1703	case DRM_FORMAT_XRGB8888:
1704	case DRM_FORMAT_XBGR2101010:
1705	case DRM_FORMAT_ABGR2101010:
1706	case DRM_FORMAT_XRGB2101010:
1707	case DRM_FORMAT_ARGB2101010:
1708	case DRM_FORMAT_YUYV:
1709	case DRM_FORMAT_YVYU:
1710	case DRM_FORMAT_UYVY:
1711	case DRM_FORMAT_VYUY:
1712		if (modifier == DRM_FORMAT_MOD_LINEAR ||
1713		    modifier == I915_FORMAT_MOD_X_TILED)
1714			return true;
1715		fallthrough;
1716	default:
1717		return false;
1718	}
1719}
1720
1721static const struct drm_plane_funcs g4x_sprite_funcs = {
1722	.update_plane = drm_atomic_helper_update_plane,
1723	.disable_plane = drm_atomic_helper_disable_plane,
1724	.destroy = intel_plane_destroy,
1725	.atomic_duplicate_state = intel_plane_duplicate_state,
1726	.atomic_destroy_state = intel_plane_destroy_state,
1727	.format_mod_supported = g4x_sprite_format_mod_supported,
1728};
1729
1730static const struct drm_plane_funcs snb_sprite_funcs = {
1731	.update_plane = drm_atomic_helper_update_plane,
1732	.disable_plane = drm_atomic_helper_disable_plane,
1733	.destroy = intel_plane_destroy,
1734	.atomic_duplicate_state = intel_plane_duplicate_state,
1735	.atomic_destroy_state = intel_plane_destroy_state,
1736	.format_mod_supported = snb_sprite_format_mod_supported,
1737};
1738
1739static const struct drm_plane_funcs vlv_sprite_funcs = {
1740	.update_plane = drm_atomic_helper_update_plane,
1741	.disable_plane = drm_atomic_helper_disable_plane,
1742	.destroy = intel_plane_destroy,
1743	.atomic_duplicate_state = intel_plane_duplicate_state,
1744	.atomic_destroy_state = intel_plane_destroy_state,
1745	.format_mod_supported = vlv_sprite_format_mod_supported,
1746};
1747
1748struct intel_plane *
1749intel_sprite_plane_create(struct drm_i915_private *dev_priv,
1750			  enum pipe pipe, int sprite)
1751{
 
1752	struct intel_plane *plane;
1753	const struct drm_plane_funcs *plane_funcs;
1754	unsigned int supported_rotations;
1755	const u64 *modifiers;
1756	const u32 *formats;
1757	int num_formats;
1758	int ret, zpos;
1759
1760	plane = intel_plane_alloc();
1761	if (IS_ERR(plane))
1762		return plane;
1763
1764	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
1765		plane->update_plane = vlv_update_plane;
1766		plane->disable_plane = vlv_disable_plane;
1767		plane->get_hw_state = vlv_plane_get_hw_state;
 
1768		plane->check_plane = vlv_sprite_check;
1769		plane->max_stride = i965_plane_max_stride;
 
1770		plane->min_cdclk = vlv_plane_min_cdclk;
1771
1772		if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
1773			formats = chv_pipe_b_sprite_formats;
1774			num_formats = ARRAY_SIZE(chv_pipe_b_sprite_formats);
1775		} else {
1776			formats = vlv_plane_formats;
1777			num_formats = ARRAY_SIZE(vlv_plane_formats);
1778		}
1779		modifiers = i9xx_plane_format_modifiers;
1780
1781		plane_funcs = &vlv_sprite_funcs;
1782	} else if (DISPLAY_VER(dev_priv) >= 7) {
1783		plane->update_plane = ivb_update_plane;
1784		plane->disable_plane = ivb_disable_plane;
1785		plane->get_hw_state = ivb_plane_get_hw_state;
 
1786		plane->check_plane = g4x_sprite_check;
1787
1788		if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv)) {
1789			plane->max_stride = hsw_sprite_max_stride;
1790			plane->min_cdclk = hsw_plane_min_cdclk;
1791		} else {
1792			plane->max_stride = g4x_sprite_max_stride;
1793			plane->min_cdclk = ivb_sprite_min_cdclk;
1794		}
1795
1796		formats = snb_plane_formats;
1797		num_formats = ARRAY_SIZE(snb_plane_formats);
1798		modifiers = i9xx_plane_format_modifiers;
 
1799
1800		plane_funcs = &snb_sprite_funcs;
1801	} else {
1802		plane->update_plane = g4x_update_plane;
1803		plane->disable_plane = g4x_disable_plane;
1804		plane->get_hw_state = g4x_plane_get_hw_state;
 
1805		plane->check_plane = g4x_sprite_check;
1806		plane->max_stride = g4x_sprite_max_stride;
 
1807		plane->min_cdclk = g4x_sprite_min_cdclk;
1808
1809		modifiers = i9xx_plane_format_modifiers;
1810		if (IS_SANDYBRIDGE(dev_priv)) {
1811			formats = snb_plane_formats;
1812			num_formats = ARRAY_SIZE(snb_plane_formats);
1813
1814			plane_funcs = &snb_sprite_funcs;
1815		} else {
1816			formats = g4x_plane_formats;
1817			num_formats = ARRAY_SIZE(g4x_plane_formats);
1818
1819			plane_funcs = &g4x_sprite_funcs;
1820		}
1821	}
1822
1823	if (IS_CHERRYVIEW(dev_priv) && pipe == PIPE_B) {
1824		supported_rotations =
1825			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 |
1826			DRM_MODE_REFLECT_X;
1827	} else {
1828		supported_rotations =
1829			DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180;
1830	}
1831
1832	plane->pipe = pipe;
1833	plane->id = PLANE_SPRITE0 + sprite;
1834	plane->frontbuffer_bit = INTEL_FRONTBUFFER(pipe, plane->id);
1835
1836	ret = drm_universal_plane_init(&dev_priv->drm, &plane->base,
 
 
1837				       0, plane_funcs,
1838				       formats, num_formats, modifiers,
1839				       DRM_PLANE_TYPE_OVERLAY,
1840				       "sprite %c", sprite_name(pipe, sprite));
 
 
1841	if (ret)
1842		goto fail;
1843
1844	drm_plane_create_rotation_property(&plane->base,
1845					   DRM_MODE_ROTATE_0,
1846					   supported_rotations);
1847
1848	drm_plane_create_color_properties(&plane->base,
1849					  BIT(DRM_COLOR_YCBCR_BT601) |
1850					  BIT(DRM_COLOR_YCBCR_BT709),
1851					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
1852					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
1853					  DRM_COLOR_YCBCR_BT709,
1854					  DRM_COLOR_YCBCR_LIMITED_RANGE);
1855
1856	zpos = sprite + 1;
1857	drm_plane_create_zpos_immutable_property(&plane->base, zpos);
1858
1859	drm_plane_helper_add(&plane->base, &intel_plane_helper_funcs);
1860
1861	return plane;
1862
1863fail:
1864	intel_plane_free(plane);
1865
1866	return ERR_PTR(ret);
1867}