cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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meson_plane.c (17103B)


      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright (C) 2016 BayLibre, SAS
      4 * Author: Neil Armstrong <narmstrong@baylibre.com>
      5 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
      6 * Copyright (C) 2014 Endless Mobile
      7 *
      8 * Written by:
      9 *     Jasper St. Pierre <jstpierre@mecheye.net>
     10 */
     11
     12#include <linux/bitfield.h>
     13
     14#include <drm/drm_atomic.h>
     15#include <drm/drm_atomic_helper.h>
     16#include <drm/drm_device.h>
     17#include <drm/drm_fb_cma_helper.h>
     18#include <drm/drm_fourcc.h>
     19#include <drm/drm_gem_atomic_helper.h>
     20#include <drm/drm_gem_cma_helper.h>
     21#include <drm/drm_plane_helper.h>
     22
     23#include "meson_plane.h"
     24#include "meson_registers.h"
     25#include "meson_viu.h"
     26#include "meson_osd_afbcd.h"
     27
     28/* OSD_SCI_WH_M1 */
     29#define SCI_WH_M1_W(w)			FIELD_PREP(GENMASK(28, 16), w)
     30#define SCI_WH_M1_H(h)			FIELD_PREP(GENMASK(12, 0), h)
     31
     32/* OSD_SCO_H_START_END */
     33/* OSD_SCO_V_START_END */
     34#define SCO_HV_START(start)		FIELD_PREP(GENMASK(27, 16), start)
     35#define SCO_HV_END(end)			FIELD_PREP(GENMASK(11, 0), end)
     36
     37/* OSD_SC_CTRL0 */
     38#define SC_CTRL0_PATH_EN		BIT(3)
     39#define SC_CTRL0_SEL_OSD1		BIT(2)
     40
     41/* OSD_VSC_CTRL0 */
     42#define VSC_BANK_LEN(value)		FIELD_PREP(GENMASK(2, 0), value)
     43#define VSC_TOP_INI_RCV_NUM(value)	FIELD_PREP(GENMASK(6, 3), value)
     44#define VSC_TOP_RPT_L0_NUM(value)	FIELD_PREP(GENMASK(9, 8), value)
     45#define VSC_BOT_INI_RCV_NUM(value)	FIELD_PREP(GENMASK(14, 11), value)
     46#define VSC_BOT_RPT_L0_NUM(value)	FIELD_PREP(GENMASK(17, 16), value)
     47#define VSC_PROG_INTERLACE		BIT(23)
     48#define VSC_VERTICAL_SCALER_EN		BIT(24)
     49
     50/* OSD_VSC_INI_PHASE */
     51#define VSC_INI_PHASE_BOT(bottom)	FIELD_PREP(GENMASK(31, 16), bottom)
     52#define VSC_INI_PHASE_TOP(top)		FIELD_PREP(GENMASK(15, 0), top)
     53
     54/* OSD_HSC_CTRL0 */
     55#define HSC_BANK_LENGTH(value)		FIELD_PREP(GENMASK(2, 0), value)
     56#define HSC_INI_RCV_NUM0(value)		FIELD_PREP(GENMASK(6, 3), value)
     57#define HSC_RPT_P0_NUM0(value)		FIELD_PREP(GENMASK(9, 8), value)
     58#define HSC_HORIZ_SCALER_EN		BIT(22)
     59
     60/* VPP_OSD_VSC_PHASE_STEP */
     61/* VPP_OSD_HSC_PHASE_STEP */
     62#define SC_PHASE_STEP(value)		FIELD_PREP(GENMASK(27, 0), value)
     63
     64struct meson_plane {
     65	struct drm_plane base;
     66	struct meson_drm *priv;
     67	bool enabled;
     68};
     69#define to_meson_plane(x) container_of(x, struct meson_plane, base)
     70
     71#define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
     72
     73static int meson_plane_atomic_check(struct drm_plane *plane,
     74				    struct drm_atomic_state *state)
     75{
     76	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
     77										 plane);
     78	struct drm_crtc_state *crtc_state;
     79
     80	if (!new_plane_state->crtc)
     81		return 0;
     82
     83	crtc_state = drm_atomic_get_crtc_state(state,
     84					       new_plane_state->crtc);
     85	if (IS_ERR(crtc_state))
     86		return PTR_ERR(crtc_state);
     87
     88	/*
     89	 * Only allow :
     90	 * - Upscaling up to 5x, vertical and horizontal
     91	 * - Final coordinates must match crtc size
     92	 */
     93	return drm_atomic_helper_check_plane_state(new_plane_state,
     94						   crtc_state,
     95						   FRAC_16_16(1, 5),
     96						   DRM_PLANE_HELPER_NO_SCALING,
     97						   false, true);
     98}
     99
    100#define MESON_MOD_AFBC_VALID_BITS (AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |	\
    101				   AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |	\
    102				   AFBC_FORMAT_MOD_YTR |		\
    103				   AFBC_FORMAT_MOD_SPARSE |		\
    104				   AFBC_FORMAT_MOD_SPLIT)
    105
    106/* Takes a fixed 16.16 number and converts it to integer. */
    107static inline int64_t fixed16_to_int(int64_t value)
    108{
    109	return value >> 16;
    110}
    111
    112static u32 meson_g12a_afbcd_line_stride(struct meson_drm *priv)
    113{
    114	u32 line_stride = 0;
    115
    116	switch (priv->afbcd.format) {
    117	case DRM_FORMAT_RGB565:
    118		line_stride = ((priv->viu.osd1_width << 4) + 127) >> 7;
    119		break;
    120	case DRM_FORMAT_RGB888:
    121	case DRM_FORMAT_XRGB8888:
    122	case DRM_FORMAT_ARGB8888:
    123	case DRM_FORMAT_XBGR8888:
    124	case DRM_FORMAT_ABGR8888:
    125		line_stride = ((priv->viu.osd1_width << 5) + 127) >> 7;
    126		break;
    127	}
    128
    129	return ((line_stride + 1) >> 1) << 1;
    130}
    131
    132static void meson_plane_atomic_update(struct drm_plane *plane,
    133				      struct drm_atomic_state *state)
    134{
    135	struct meson_plane *meson_plane = to_meson_plane(plane);
    136	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
    137									   plane);
    138	struct drm_rect dest = drm_plane_state_dest(new_state);
    139	struct meson_drm *priv = meson_plane->priv;
    140	struct drm_framebuffer *fb = new_state->fb;
    141	struct drm_gem_cma_object *gem;
    142	unsigned long flags;
    143	int vsc_ini_rcv_num, vsc_ini_rpt_p0_num;
    144	int vsc_bot_rcv_num, vsc_bot_rpt_p0_num;
    145	int hsc_ini_rcv_num, hsc_ini_rpt_p0_num;
    146	int hf_phase_step, vf_phase_step;
    147	int src_w, src_h, dst_w, dst_h;
    148	int bot_ini_phase;
    149	int hf_bank_len;
    150	int vf_bank_len;
    151	u8 canvas_id_osd1;
    152
    153	/*
    154	 * Update Coordinates
    155	 * Update Formats
    156	 * Update Buffer
    157	 * Enable Plane
    158	 */
    159	spin_lock_irqsave(&priv->drm->event_lock, flags);
    160
    161	/* Check if AFBC decoder is required for this buffer */
    162	if ((meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
    163	     meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) &&
    164	    fb->modifier & DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS))
    165		priv->viu.osd1_afbcd = true;
    166	else
    167		priv->viu.osd1_afbcd = false;
    168
    169	/* Enable OSD and BLK0, set max global alpha */
    170	priv->viu.osd1_ctrl_stat = OSD_ENABLE |
    171				   (0xFF << OSD_GLOBAL_ALPHA_SHIFT) |
    172				   OSD_BLK0_ENABLE;
    173
    174	priv->viu.osd1_ctrl_stat2 = readl(priv->io_base +
    175					  _REG(VIU_OSD1_CTRL_STAT2));
    176
    177	canvas_id_osd1 = priv->canvas_id_osd1;
    178
    179	/* Set up BLK0 to point to the right canvas */
    180	priv->viu.osd1_blk0_cfg[0] = canvas_id_osd1 << OSD_CANVAS_SEL;
    181
    182	if (priv->viu.osd1_afbcd) {
    183		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
    184			/* This is the internal decoding memory address */
    185			priv->viu.osd1_blk1_cfg4 = MESON_G12A_AFBCD_OUT_ADDR;
    186			priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_BE;
    187			priv->viu.osd1_ctrl_stat2 |= OSD_PENDING_STAT_CLEAN;
    188			priv->viu.osd1_ctrl_stat |= VIU_OSD1_CFG_SYN_EN;
    189		}
    190
    191		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) {
    192			priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE;
    193			priv->viu.osd1_ctrl_stat2 |= OSD_DPATH_MALI_AFBCD;
    194		}
    195	} else {
    196		priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE;
    197
    198		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM))
    199			priv->viu.osd1_ctrl_stat2 &= ~OSD_DPATH_MALI_AFBCD;
    200	}
    201
    202	/* On GXBB, Use the old non-HDR RGB2YUV converter */
    203	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
    204		priv->viu.osd1_blk0_cfg[0] |= OSD_OUTPUT_COLOR_RGB;
    205
    206	if (priv->viu.osd1_afbcd &&
    207	    meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
    208		priv->viu.osd1_blk0_cfg[0] |= OSD_MALI_SRC_EN |
    209			priv->afbcd.ops->fmt_to_blk_mode(fb->modifier,
    210							  fb->format->format);
    211	} else {
    212		switch (fb->format->format) {
    213		case DRM_FORMAT_XRGB8888:
    214		case DRM_FORMAT_ARGB8888:
    215			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
    216						OSD_COLOR_MATRIX_32_ARGB;
    217			break;
    218		case DRM_FORMAT_XBGR8888:
    219		case DRM_FORMAT_ABGR8888:
    220			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
    221						OSD_COLOR_MATRIX_32_ABGR;
    222			break;
    223		case DRM_FORMAT_RGB888:
    224			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 |
    225						OSD_COLOR_MATRIX_24_RGB;
    226			break;
    227		case DRM_FORMAT_RGB565:
    228			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 |
    229						OSD_COLOR_MATRIX_16_RGB565;
    230			break;
    231		}
    232	}
    233
    234	switch (fb->format->format) {
    235	case DRM_FORMAT_XRGB8888:
    236	case DRM_FORMAT_XBGR8888:
    237		/* For XRGB, replace the pixel's alpha by 0xFF */
    238		priv->viu.osd1_ctrl_stat2 |= OSD_REPLACE_EN;
    239		break;
    240	case DRM_FORMAT_ARGB8888:
    241	case DRM_FORMAT_ABGR8888:
    242		/* For ARGB, use the pixel's alpha */
    243		priv->viu.osd1_ctrl_stat2 &= ~OSD_REPLACE_EN;
    244		break;
    245	}
    246
    247	/* Default scaler parameters */
    248	vsc_bot_rcv_num = 0;
    249	vsc_bot_rpt_p0_num = 0;
    250	hf_bank_len = 4;
    251	vf_bank_len = 4;
    252
    253	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
    254		vsc_bot_rcv_num = 6;
    255		vsc_bot_rpt_p0_num = 2;
    256	}
    257
    258	hsc_ini_rcv_num = hf_bank_len;
    259	vsc_ini_rcv_num = vf_bank_len;
    260	hsc_ini_rpt_p0_num = (hf_bank_len / 2) - 1;
    261	vsc_ini_rpt_p0_num = (vf_bank_len / 2) - 1;
    262
    263	src_w = fixed16_to_int(new_state->src_w);
    264	src_h = fixed16_to_int(new_state->src_h);
    265	dst_w = new_state->crtc_w;
    266	dst_h = new_state->crtc_h;
    267
    268	/*
    269	 * When the output is interlaced, the OSD must switch between
    270	 * each field using the INTERLACE_SEL_ODD (0) of VIU_OSD1_BLK0_CFG_W0
    271	 * at each vsync.
    272	 * But the vertical scaler can provide such funtionnality if
    273	 * is configured for 2:1 scaling with interlace options enabled.
    274	 */
    275	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
    276		dest.y1 /= 2;
    277		dest.y2 /= 2;
    278		dst_h /= 2;
    279	}
    280
    281	hf_phase_step = ((src_w << 18) / dst_w) << 6;
    282	vf_phase_step = (src_h << 20) / dst_h;
    283
    284	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
    285		bot_ini_phase = ((vf_phase_step / 2) >> 4);
    286	else
    287		bot_ini_phase = 0;
    288
    289	vf_phase_step = (vf_phase_step << 4);
    290
    291	/* In interlaced mode, scaler is always active */
    292	if (src_h != dst_h || src_w != dst_w) {
    293		priv->viu.osd_sc_i_wh_m1 = SCI_WH_M1_W(src_w - 1) |
    294					   SCI_WH_M1_H(src_h - 1);
    295		priv->viu.osd_sc_o_h_start_end = SCO_HV_START(dest.x1) |
    296						 SCO_HV_END(dest.x2 - 1);
    297		priv->viu.osd_sc_o_v_start_end = SCO_HV_START(dest.y1) |
    298						 SCO_HV_END(dest.y2 - 1);
    299		/* Enable OSD Scaler */
    300		priv->viu.osd_sc_ctrl0 = SC_CTRL0_PATH_EN | SC_CTRL0_SEL_OSD1;
    301	} else {
    302		priv->viu.osd_sc_i_wh_m1 = 0;
    303		priv->viu.osd_sc_o_h_start_end = 0;
    304		priv->viu.osd_sc_o_v_start_end = 0;
    305		priv->viu.osd_sc_ctrl0 = 0;
    306	}
    307
    308	/* In interlaced mode, vertical scaler is always active */
    309	if (src_h != dst_h) {
    310		priv->viu.osd_sc_v_ctrl0 =
    311					VSC_BANK_LEN(vf_bank_len) |
    312					VSC_TOP_INI_RCV_NUM(vsc_ini_rcv_num) |
    313					VSC_TOP_RPT_L0_NUM(vsc_ini_rpt_p0_num) |
    314					VSC_VERTICAL_SCALER_EN;
    315
    316		if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
    317			priv->viu.osd_sc_v_ctrl0 |=
    318					VSC_BOT_INI_RCV_NUM(vsc_bot_rcv_num) |
    319					VSC_BOT_RPT_L0_NUM(vsc_bot_rpt_p0_num) |
    320					VSC_PROG_INTERLACE;
    321
    322		priv->viu.osd_sc_v_phase_step = SC_PHASE_STEP(vf_phase_step);
    323		priv->viu.osd_sc_v_ini_phase = VSC_INI_PHASE_BOT(bot_ini_phase);
    324	} else {
    325		priv->viu.osd_sc_v_ctrl0 = 0;
    326		priv->viu.osd_sc_v_phase_step = 0;
    327		priv->viu.osd_sc_v_ini_phase = 0;
    328	}
    329
    330	/* Horizontal scaler is only used if width does not match */
    331	if (src_w != dst_w) {
    332		priv->viu.osd_sc_h_ctrl0 =
    333					HSC_BANK_LENGTH(hf_bank_len) |
    334					HSC_INI_RCV_NUM0(hsc_ini_rcv_num) |
    335					HSC_RPT_P0_NUM0(hsc_ini_rpt_p0_num) |
    336					HSC_HORIZ_SCALER_EN;
    337		priv->viu.osd_sc_h_phase_step = SC_PHASE_STEP(hf_phase_step);
    338		priv->viu.osd_sc_h_ini_phase = 0;
    339	} else {
    340		priv->viu.osd_sc_h_ctrl0 = 0;
    341		priv->viu.osd_sc_h_phase_step = 0;
    342		priv->viu.osd_sc_h_ini_phase = 0;
    343	}
    344
    345	/*
    346	 * The format of these registers is (x2 << 16 | x1),
    347	 * where x2 is exclusive.
    348	 * e.g. +30x1920 would be (1919 << 16) | 30
    349	 */
    350	priv->viu.osd1_blk0_cfg[1] =
    351				((fixed16_to_int(new_state->src.x2) - 1) << 16) |
    352				fixed16_to_int(new_state->src.x1);
    353	priv->viu.osd1_blk0_cfg[2] =
    354				((fixed16_to_int(new_state->src.y2) - 1) << 16) |
    355				fixed16_to_int(new_state->src.y1);
    356	priv->viu.osd1_blk0_cfg[3] = ((dest.x2 - 1) << 16) | dest.x1;
    357	priv->viu.osd1_blk0_cfg[4] = ((dest.y2 - 1) << 16) | dest.y1;
    358
    359	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
    360		priv->viu.osd_blend_din0_scope_h = ((dest.x2 - 1) << 16) | dest.x1;
    361		priv->viu.osd_blend_din0_scope_v = ((dest.y2 - 1) << 16) | dest.y1;
    362		priv->viu.osb_blend0_size = dst_h << 16 | dst_w;
    363		priv->viu.osb_blend1_size = dst_h << 16 | dst_w;
    364	}
    365
    366	/* Update Canvas with buffer address */
    367	gem = drm_fb_cma_get_gem_obj(fb, 0);
    368
    369	priv->viu.osd1_addr = gem->paddr;
    370	priv->viu.osd1_stride = fb->pitches[0];
    371	priv->viu.osd1_height = fb->height;
    372	priv->viu.osd1_width = fb->width;
    373
    374	if (priv->viu.osd1_afbcd) {
    375		priv->afbcd.modifier = fb->modifier;
    376		priv->afbcd.format = fb->format->format;
    377
    378		/* Calculate decoder write stride */
    379		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
    380			priv->viu.osd1_blk2_cfg4 =
    381				meson_g12a_afbcd_line_stride(priv);
    382	}
    383
    384	if (!meson_plane->enabled) {
    385		/* Reset OSD1 before enabling it on GXL+ SoCs */
    386		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
    387		    meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
    388			meson_viu_osd1_reset(priv);
    389
    390		meson_plane->enabled = true;
    391	}
    392
    393	priv->viu.osd1_enabled = true;
    394
    395	spin_unlock_irqrestore(&priv->drm->event_lock, flags);
    396}
    397
    398static void meson_plane_atomic_disable(struct drm_plane *plane,
    399				       struct drm_atomic_state *state)
    400{
    401	struct meson_plane *meson_plane = to_meson_plane(plane);
    402	struct meson_drm *priv = meson_plane->priv;
    403
    404	if (priv->afbcd.ops) {
    405		priv->afbcd.ops->reset(priv);
    406		priv->afbcd.ops->disable(priv);
    407	}
    408
    409	/* Disable OSD1 */
    410	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
    411		writel_bits_relaxed(VIU_OSD1_POSTBLD_SRC_OSD1, 0,
    412				    priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
    413	else
    414		writel_bits_relaxed(VPP_OSD1_POSTBLEND, 0,
    415				    priv->io_base + _REG(VPP_MISC));
    416
    417	meson_plane->enabled = false;
    418	priv->viu.osd1_enabled = false;
    419}
    420
    421static const struct drm_plane_helper_funcs meson_plane_helper_funcs = {
    422	.atomic_check	= meson_plane_atomic_check,
    423	.atomic_disable	= meson_plane_atomic_disable,
    424	.atomic_update	= meson_plane_atomic_update,
    425};
    426
    427static bool meson_plane_format_mod_supported(struct drm_plane *plane,
    428					     u32 format, u64 modifier)
    429{
    430	struct meson_plane *meson_plane = to_meson_plane(plane);
    431	struct meson_drm *priv = meson_plane->priv;
    432	int i;
    433
    434	if (modifier == DRM_FORMAT_MOD_INVALID)
    435		return false;
    436
    437	if (modifier == DRM_FORMAT_MOD_LINEAR)
    438		return true;
    439
    440	if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) &&
    441	    !meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
    442		return false;
    443
    444	if (modifier & ~DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS))
    445		return false;
    446
    447	for (i = 0 ; i < plane->modifier_count ; ++i)
    448		if (plane->modifiers[i] == modifier)
    449			break;
    450
    451	if (i == plane->modifier_count) {
    452		DRM_DEBUG_KMS("Unsupported modifier\n");
    453		return false;
    454	}
    455
    456	if (priv->afbcd.ops && priv->afbcd.ops->supported_fmt)
    457		return priv->afbcd.ops->supported_fmt(modifier, format);
    458
    459	DRM_DEBUG_KMS("AFBC Unsupported\n");
    460	return false;
    461}
    462
    463static const struct drm_plane_funcs meson_plane_funcs = {
    464	.update_plane		= drm_atomic_helper_update_plane,
    465	.disable_plane		= drm_atomic_helper_disable_plane,
    466	.destroy		= drm_plane_cleanup,
    467	.reset			= drm_atomic_helper_plane_reset,
    468	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
    469	.atomic_destroy_state	= drm_atomic_helper_plane_destroy_state,
    470	.format_mod_supported   = meson_plane_format_mod_supported,
    471};
    472
    473static const uint32_t supported_drm_formats[] = {
    474	DRM_FORMAT_ARGB8888,
    475	DRM_FORMAT_ABGR8888,
    476	DRM_FORMAT_XRGB8888,
    477	DRM_FORMAT_XBGR8888,
    478	DRM_FORMAT_RGB888,
    479	DRM_FORMAT_RGB565,
    480};
    481
    482static const uint64_t format_modifiers_afbc_gxm[] = {
    483	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
    484				AFBC_FORMAT_MOD_SPARSE |
    485				AFBC_FORMAT_MOD_YTR),
    486	/* SPLIT mandates SPARSE, RGB modes mandates YTR */
    487	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
    488				AFBC_FORMAT_MOD_YTR |
    489				AFBC_FORMAT_MOD_SPARSE |
    490				AFBC_FORMAT_MOD_SPLIT),
    491	DRM_FORMAT_MOD_LINEAR,
    492	DRM_FORMAT_MOD_INVALID,
    493};
    494
    495static const uint64_t format_modifiers_afbc_g12a[] = {
    496	/*
    497	 * - TOFIX Support AFBC modifiers for YUV formats (16x16 + TILED)
    498	 * - SPLIT is mandatory for performances reasons when in 16x16
    499	 *   block size
    500	 * - 32x8 block size + SPLIT is mandatory with 4K frame size
    501	 *   for performances reasons
    502	 */
    503	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
    504				AFBC_FORMAT_MOD_SPARSE |
    505				AFBC_FORMAT_MOD_SPLIT),
    506	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
    507				AFBC_FORMAT_MOD_YTR |
    508				AFBC_FORMAT_MOD_SPARSE |
    509				AFBC_FORMAT_MOD_SPLIT),
    510	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
    511				AFBC_FORMAT_MOD_SPARSE),
    512	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
    513				AFBC_FORMAT_MOD_YTR |
    514				AFBC_FORMAT_MOD_SPARSE),
    515	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
    516				AFBC_FORMAT_MOD_SPARSE |
    517				AFBC_FORMAT_MOD_SPLIT),
    518	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
    519				AFBC_FORMAT_MOD_YTR |
    520				AFBC_FORMAT_MOD_SPARSE |
    521				AFBC_FORMAT_MOD_SPLIT),
    522	DRM_FORMAT_MOD_LINEAR,
    523	DRM_FORMAT_MOD_INVALID,
    524};
    525
    526static const uint64_t format_modifiers_default[] = {
    527	DRM_FORMAT_MOD_LINEAR,
    528	DRM_FORMAT_MOD_INVALID,
    529};
    530
    531int meson_plane_create(struct meson_drm *priv)
    532{
    533	struct meson_plane *meson_plane;
    534	struct drm_plane *plane;
    535	const uint64_t *format_modifiers = format_modifiers_default;
    536
    537	meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane),
    538				   GFP_KERNEL);
    539	if (!meson_plane)
    540		return -ENOMEM;
    541
    542	meson_plane->priv = priv;
    543	plane = &meson_plane->base;
    544
    545	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM))
    546		format_modifiers = format_modifiers_afbc_gxm;
    547	else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
    548		format_modifiers = format_modifiers_afbc_g12a;
    549
    550	drm_universal_plane_init(priv->drm, plane, 0xFF,
    551				 &meson_plane_funcs,
    552				 supported_drm_formats,
    553				 ARRAY_SIZE(supported_drm_formats),
    554				 format_modifiers,
    555				 DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane");
    556
    557	drm_plane_helper_add(plane, &meson_plane_helper_funcs);
    558
    559	/* For now, OSD Primary plane is always on the front */
    560	drm_plane_create_zpos_immutable_property(plane, 1);
    561
    562	priv->primary_plane = plane;
    563
    564	return 0;
    565}