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_blend.h>
17 #include <drm/drm_device.h>
18 #include <drm/drm_fb_dma_helper.h>
19 #include <drm/drm_fourcc.h>
20 #include <drm/drm_framebuffer.h>
21 #include <drm/drm_gem_atomic_helper.h>
22 #include <drm/drm_gem_dma_helper.h>
23 
24 #include "meson_plane.h"
25 #include "meson_registers.h"
26 #include "meson_viu.h"
27 #include "meson_osd_afbcd.h"
28 
29 /* OSD_SCI_WH_M1 */
30 #define SCI_WH_M1_W(w)			FIELD_PREP(GENMASK(28, 16), w)
31 #define SCI_WH_M1_H(h)			FIELD_PREP(GENMASK(12, 0), h)
32 
33 /* OSD_SCO_H_START_END */
34 /* OSD_SCO_V_START_END */
35 #define SCO_HV_START(start)		FIELD_PREP(GENMASK(27, 16), start)
36 #define SCO_HV_END(end)			FIELD_PREP(GENMASK(11, 0), end)
37 
38 /* OSD_SC_CTRL0 */
39 #define SC_CTRL0_PATH_EN		BIT(3)
40 #define SC_CTRL0_SEL_OSD1		BIT(2)
41 
42 /* OSD_VSC_CTRL0 */
43 #define VSC_BANK_LEN(value)		FIELD_PREP(GENMASK(2, 0), value)
44 #define VSC_TOP_INI_RCV_NUM(value)	FIELD_PREP(GENMASK(6, 3), value)
45 #define VSC_TOP_RPT_L0_NUM(value)	FIELD_PREP(GENMASK(9, 8), value)
46 #define VSC_BOT_INI_RCV_NUM(value)	FIELD_PREP(GENMASK(14, 11), value)
47 #define VSC_BOT_RPT_L0_NUM(value)	FIELD_PREP(GENMASK(17, 16), value)
48 #define VSC_PROG_INTERLACE		BIT(23)
49 #define VSC_VERTICAL_SCALER_EN		BIT(24)
50 
51 /* OSD_VSC_INI_PHASE */
52 #define VSC_INI_PHASE_BOT(bottom)	FIELD_PREP(GENMASK(31, 16), bottom)
53 #define VSC_INI_PHASE_TOP(top)		FIELD_PREP(GENMASK(15, 0), top)
54 
55 /* OSD_HSC_CTRL0 */
56 #define HSC_BANK_LENGTH(value)		FIELD_PREP(GENMASK(2, 0), value)
57 #define HSC_INI_RCV_NUM0(value)		FIELD_PREP(GENMASK(6, 3), value)
58 #define HSC_RPT_P0_NUM0(value)		FIELD_PREP(GENMASK(9, 8), value)
59 #define HSC_HORIZ_SCALER_EN		BIT(22)
60 
61 /* VPP_OSD_VSC_PHASE_STEP */
62 /* VPP_OSD_HSC_PHASE_STEP */
63 #define SC_PHASE_STEP(value)		FIELD_PREP(GENMASK(27, 0), value)
64 
65 struct meson_plane {
66 	struct drm_plane base;
67 	struct meson_drm *priv;
68 	bool enabled;
69 };
70 #define to_meson_plane(x) container_of(x, struct meson_plane, base)
71 
72 #define FRAC_16_16(mult, div)    (((mult) << 16) / (div))
73 
74 static int meson_plane_atomic_check(struct drm_plane *plane,
75 				    struct drm_atomic_state *state)
76 {
77 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
78 										 plane);
79 	struct drm_crtc_state *crtc_state;
80 
81 	if (!new_plane_state->crtc)
82 		return 0;
83 
84 	crtc_state = drm_atomic_get_crtc_state(state,
85 					       new_plane_state->crtc);
86 	if (IS_ERR(crtc_state))
87 		return PTR_ERR(crtc_state);
88 
89 	/*
90 	 * Only allow :
91 	 * - Upscaling up to 5x, vertical and horizontal
92 	 * - Final coordinates must match crtc size
93 	 */
94 	return drm_atomic_helper_check_plane_state(new_plane_state,
95 						   crtc_state,
96 						   FRAC_16_16(1, 5),
97 						   DRM_PLANE_NO_SCALING,
98 						   false, true);
99 }
100 
101 #define MESON_MOD_AFBC_VALID_BITS (AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |	\
102 				   AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |	\
103 				   AFBC_FORMAT_MOD_YTR |		\
104 				   AFBC_FORMAT_MOD_SPARSE |		\
105 				   AFBC_FORMAT_MOD_SPLIT)
106 
107 /* Takes a fixed 16.16 number and converts it to integer. */
108 static inline int64_t fixed16_to_int(int64_t value)
109 {
110 	return value >> 16;
111 }
112 
113 static u32 meson_g12a_afbcd_line_stride(struct meson_drm *priv)
114 {
115 	u32 line_stride = 0;
116 
117 	switch (priv->afbcd.format) {
118 	case DRM_FORMAT_RGB565:
119 		line_stride = ((priv->viu.osd1_width << 4) + 127) >> 7;
120 		break;
121 	case DRM_FORMAT_RGB888:
122 	case DRM_FORMAT_XRGB8888:
123 	case DRM_FORMAT_ARGB8888:
124 	case DRM_FORMAT_XBGR8888:
125 	case DRM_FORMAT_ABGR8888:
126 		line_stride = ((priv->viu.osd1_width << 5) + 127) >> 7;
127 		break;
128 	}
129 
130 	return ((line_stride + 1) >> 1) << 1;
131 }
132 
133 static void meson_plane_atomic_update(struct drm_plane *plane,
134 				      struct drm_atomic_state *state)
135 {
136 	struct meson_plane *meson_plane = to_meson_plane(plane);
137 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
138 									   plane);
139 	struct drm_rect dest = drm_plane_state_dest(new_state);
140 	struct meson_drm *priv = meson_plane->priv;
141 	struct drm_framebuffer *fb = new_state->fb;
142 	struct drm_gem_dma_object *gem;
143 	unsigned long flags;
144 	int vsc_ini_rcv_num, vsc_ini_rpt_p0_num;
145 	int vsc_bot_rcv_num, vsc_bot_rpt_p0_num;
146 	int hsc_ini_rcv_num, hsc_ini_rpt_p0_num;
147 	int hf_phase_step, vf_phase_step;
148 	int src_w, src_h, dst_w, dst_h;
149 	int bot_ini_phase;
150 	int hf_bank_len;
151 	int vf_bank_len;
152 	u8 canvas_id_osd1;
153 
154 	/*
155 	 * Update Coordinates
156 	 * Update Formats
157 	 * Update Buffer
158 	 * Enable Plane
159 	 */
160 	spin_lock_irqsave(&priv->drm->event_lock, flags);
161 
162 	/* Check if AFBC decoder is required for this buffer */
163 	if ((meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
164 	     meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) &&
165 	    fb->modifier & DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS))
166 		priv->viu.osd1_afbcd = true;
167 	else
168 		priv->viu.osd1_afbcd = false;
169 
170 	/* Enable OSD and BLK0, set max global alpha */
171 	priv->viu.osd1_ctrl_stat = OSD_ENABLE |
172 				   (0x100 << OSD_GLOBAL_ALPHA_SHIFT) |
173 				   OSD_BLK0_ENABLE;
174 
175 	priv->viu.osd1_ctrl_stat2 = readl(priv->io_base +
176 					  _REG(VIU_OSD1_CTRL_STAT2));
177 
178 	canvas_id_osd1 = priv->canvas_id_osd1;
179 
180 	/* Set up BLK0 to point to the right canvas */
181 	priv->viu.osd1_blk0_cfg[0] = canvas_id_osd1 << OSD_CANVAS_SEL;
182 
183 	if (priv->viu.osd1_afbcd) {
184 		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
185 			/* This is the internal decoding memory address */
186 			priv->viu.osd1_blk1_cfg4 = MESON_G12A_AFBCD_OUT_ADDR;
187 			priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_BE;
188 			priv->viu.osd1_ctrl_stat2 |= OSD_PENDING_STAT_CLEAN;
189 			priv->viu.osd1_ctrl_stat |= VIU_OSD1_CFG_SYN_EN;
190 		}
191 
192 		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM)) {
193 			priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE;
194 			priv->viu.osd1_ctrl_stat2 |= OSD_DPATH_MALI_AFBCD;
195 		}
196 	} else {
197 		priv->viu.osd1_blk0_cfg[0] |= OSD_ENDIANNESS_LE;
198 
199 		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM))
200 			priv->viu.osd1_ctrl_stat2 &= ~OSD_DPATH_MALI_AFBCD;
201 	}
202 
203 	/* On GXBB, Use the old non-HDR RGB2YUV converter */
204 	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXBB))
205 		priv->viu.osd1_blk0_cfg[0] |= OSD_OUTPUT_COLOR_RGB;
206 
207 	if (priv->viu.osd1_afbcd &&
208 	    meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
209 		priv->viu.osd1_blk0_cfg[0] |= OSD_MALI_SRC_EN |
210 			priv->afbcd.ops->fmt_to_blk_mode(fb->modifier,
211 							  fb->format->format);
212 	} else {
213 		switch (fb->format->format) {
214 		case DRM_FORMAT_XRGB8888:
215 		case DRM_FORMAT_ARGB8888:
216 			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
217 						OSD_COLOR_MATRIX_32_ARGB;
218 			break;
219 		case DRM_FORMAT_XBGR8888:
220 		case DRM_FORMAT_ABGR8888:
221 			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_32 |
222 						OSD_COLOR_MATRIX_32_ABGR;
223 			break;
224 		case DRM_FORMAT_RGB888:
225 			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_24 |
226 						OSD_COLOR_MATRIX_24_RGB;
227 			break;
228 		case DRM_FORMAT_RGB565:
229 			priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 |
230 						OSD_COLOR_MATRIX_16_RGB565;
231 			break;
232 		}
233 	}
234 
235 	switch (fb->format->format) {
236 	case DRM_FORMAT_XRGB8888:
237 	case DRM_FORMAT_XBGR8888:
238 		/* For XRGB, replace the pixel's alpha by 0xFF */
239 		priv->viu.osd1_ctrl_stat2 |= OSD_REPLACE_EN;
240 		break;
241 	case DRM_FORMAT_ARGB8888:
242 	case DRM_FORMAT_ABGR8888:
243 		/* For ARGB, use the pixel's alpha */
244 		priv->viu.osd1_ctrl_stat2 &= ~OSD_REPLACE_EN;
245 		break;
246 	}
247 
248 	/* Default scaler parameters */
249 	vsc_bot_rcv_num = 0;
250 	vsc_bot_rpt_p0_num = 0;
251 	hf_bank_len = 4;
252 	vf_bank_len = 4;
253 
254 	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
255 		vsc_bot_rcv_num = 6;
256 		vsc_bot_rpt_p0_num = 2;
257 	}
258 
259 	hsc_ini_rcv_num = hf_bank_len;
260 	vsc_ini_rcv_num = vf_bank_len;
261 	hsc_ini_rpt_p0_num = (hf_bank_len / 2) - 1;
262 	vsc_ini_rpt_p0_num = (vf_bank_len / 2) - 1;
263 
264 	src_w = fixed16_to_int(new_state->src_w);
265 	src_h = fixed16_to_int(new_state->src_h);
266 	dst_w = new_state->crtc_w;
267 	dst_h = new_state->crtc_h;
268 
269 	/*
270 	 * When the output is interlaced, the OSD must switch between
271 	 * each field using the INTERLACE_SEL_ODD (0) of VIU_OSD1_BLK0_CFG_W0
272 	 * at each vsync.
273 	 * But the vertical scaler can provide such funtionnality if
274 	 * is configured for 2:1 scaling with interlace options enabled.
275 	 */
276 	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) {
277 		dest.y1 /= 2;
278 		dest.y2 /= 2;
279 		dst_h /= 2;
280 	}
281 
282 	hf_phase_step = ((src_w << 18) / dst_w) << 6;
283 	vf_phase_step = (src_h << 20) / dst_h;
284 
285 	if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
286 		bot_ini_phase = ((vf_phase_step / 2) >> 4);
287 	else
288 		bot_ini_phase = 0;
289 
290 	vf_phase_step = (vf_phase_step << 4);
291 
292 	/* In interlaced mode, scaler is always active */
293 	if (src_h != dst_h || src_w != dst_w) {
294 		priv->viu.osd_sc_i_wh_m1 = SCI_WH_M1_W(src_w - 1) |
295 					   SCI_WH_M1_H(src_h - 1);
296 		priv->viu.osd_sc_o_h_start_end = SCO_HV_START(dest.x1) |
297 						 SCO_HV_END(dest.x2 - 1);
298 		priv->viu.osd_sc_o_v_start_end = SCO_HV_START(dest.y1) |
299 						 SCO_HV_END(dest.y2 - 1);
300 		/* Enable OSD Scaler */
301 		priv->viu.osd_sc_ctrl0 = SC_CTRL0_PATH_EN | SC_CTRL0_SEL_OSD1;
302 	} else {
303 		priv->viu.osd_sc_i_wh_m1 = 0;
304 		priv->viu.osd_sc_o_h_start_end = 0;
305 		priv->viu.osd_sc_o_v_start_end = 0;
306 		priv->viu.osd_sc_ctrl0 = 0;
307 	}
308 
309 	/* In interlaced mode, vertical scaler is always active */
310 	if (src_h != dst_h) {
311 		priv->viu.osd_sc_v_ctrl0 =
312 					VSC_BANK_LEN(vf_bank_len) |
313 					VSC_TOP_INI_RCV_NUM(vsc_ini_rcv_num) |
314 					VSC_TOP_RPT_L0_NUM(vsc_ini_rpt_p0_num) |
315 					VSC_VERTICAL_SCALER_EN;
316 
317 		if (new_state->crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
318 			priv->viu.osd_sc_v_ctrl0 |=
319 					VSC_BOT_INI_RCV_NUM(vsc_bot_rcv_num) |
320 					VSC_BOT_RPT_L0_NUM(vsc_bot_rpt_p0_num) |
321 					VSC_PROG_INTERLACE;
322 
323 		priv->viu.osd_sc_v_phase_step = SC_PHASE_STEP(vf_phase_step);
324 		priv->viu.osd_sc_v_ini_phase = VSC_INI_PHASE_BOT(bot_ini_phase);
325 	} else {
326 		priv->viu.osd_sc_v_ctrl0 = 0;
327 		priv->viu.osd_sc_v_phase_step = 0;
328 		priv->viu.osd_sc_v_ini_phase = 0;
329 	}
330 
331 	/* Horizontal scaler is only used if width does not match */
332 	if (src_w != dst_w) {
333 		priv->viu.osd_sc_h_ctrl0 =
334 					HSC_BANK_LENGTH(hf_bank_len) |
335 					HSC_INI_RCV_NUM0(hsc_ini_rcv_num) |
336 					HSC_RPT_P0_NUM0(hsc_ini_rpt_p0_num) |
337 					HSC_HORIZ_SCALER_EN;
338 		priv->viu.osd_sc_h_phase_step = SC_PHASE_STEP(hf_phase_step);
339 		priv->viu.osd_sc_h_ini_phase = 0;
340 	} else {
341 		priv->viu.osd_sc_h_ctrl0 = 0;
342 		priv->viu.osd_sc_h_phase_step = 0;
343 		priv->viu.osd_sc_h_ini_phase = 0;
344 	}
345 
346 	/*
347 	 * The format of these registers is (x2 << 16 | x1),
348 	 * where x2 is exclusive.
349 	 * e.g. +30x1920 would be (1919 << 16) | 30
350 	 */
351 	priv->viu.osd1_blk0_cfg[1] =
352 				((fixed16_to_int(new_state->src.x2) - 1) << 16) |
353 				fixed16_to_int(new_state->src.x1);
354 	priv->viu.osd1_blk0_cfg[2] =
355 				((fixed16_to_int(new_state->src.y2) - 1) << 16) |
356 				fixed16_to_int(new_state->src.y1);
357 	priv->viu.osd1_blk0_cfg[3] = ((dest.x2 - 1) << 16) | dest.x1;
358 	priv->viu.osd1_blk0_cfg[4] = ((dest.y2 - 1) << 16) | dest.y1;
359 
360 	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
361 		priv->viu.osd_blend_din0_scope_h = ((dest.x2 - 1) << 16) | dest.x1;
362 		priv->viu.osd_blend_din0_scope_v = ((dest.y2 - 1) << 16) | dest.y1;
363 		priv->viu.osb_blend0_size = dst_h << 16 | dst_w;
364 		priv->viu.osb_blend1_size = dst_h << 16 | dst_w;
365 	}
366 
367 	/* Update Canvas with buffer address */
368 	gem = drm_fb_dma_get_gem_obj(fb, 0);
369 
370 	priv->viu.osd1_addr = gem->dma_addr;
371 	priv->viu.osd1_stride = fb->pitches[0];
372 	priv->viu.osd1_height = fb->height;
373 	priv->viu.osd1_width = fb->width;
374 
375 	if (priv->viu.osd1_afbcd) {
376 		priv->afbcd.modifier = fb->modifier;
377 		priv->afbcd.format = fb->format->format;
378 
379 		/* Calculate decoder write stride */
380 		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
381 			priv->viu.osd1_blk2_cfg4 =
382 				meson_g12a_afbcd_line_stride(priv);
383 	}
384 
385 	if (!meson_plane->enabled) {
386 		/* Reset OSD1 before enabling it on GXL+ SoCs */
387 		if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
388 		    meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
389 			meson_viu_osd1_reset(priv);
390 
391 		meson_plane->enabled = true;
392 	}
393 
394 	priv->viu.osd1_enabled = true;
395 
396 	spin_unlock_irqrestore(&priv->drm->event_lock, flags);
397 }
398 
399 static void meson_plane_atomic_disable(struct drm_plane *plane,
400 				       struct drm_atomic_state *state)
401 {
402 	struct meson_plane *meson_plane = to_meson_plane(plane);
403 	struct meson_drm *priv = meson_plane->priv;
404 
405 	if (priv->afbcd.ops) {
406 		priv->afbcd.ops->reset(priv);
407 		priv->afbcd.ops->disable(priv);
408 	}
409 
410 	/* Disable OSD1 */
411 	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
412 		writel_bits_relaxed(VIU_OSD1_POSTBLD_SRC_OSD1, 0,
413 				    priv->io_base + _REG(OSD1_BLEND_SRC_CTRL));
414 	else
415 		writel_bits_relaxed(VPP_OSD1_POSTBLEND, 0,
416 				    priv->io_base + _REG(VPP_MISC));
417 
418 	meson_plane->enabled = false;
419 	priv->viu.osd1_enabled = false;
420 }
421 
422 static const struct drm_plane_helper_funcs meson_plane_helper_funcs = {
423 	.atomic_check	= meson_plane_atomic_check,
424 	.atomic_disable	= meson_plane_atomic_disable,
425 	.atomic_update	= meson_plane_atomic_update,
426 };
427 
428 static bool meson_plane_format_mod_supported(struct drm_plane *plane,
429 					     u32 format, u64 modifier)
430 {
431 	struct meson_plane *meson_plane = to_meson_plane(plane);
432 	struct meson_drm *priv = meson_plane->priv;
433 	int i;
434 
435 	if (modifier == DRM_FORMAT_MOD_INVALID)
436 		return false;
437 
438 	if (modifier == DRM_FORMAT_MOD_LINEAR)
439 		return true;
440 
441 	if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) &&
442 	    !meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
443 		return false;
444 
445 	if (modifier & ~DRM_FORMAT_MOD_ARM_AFBC(MESON_MOD_AFBC_VALID_BITS))
446 		return false;
447 
448 	for (i = 0 ; i < plane->modifier_count ; ++i)
449 		if (plane->modifiers[i] == modifier)
450 			break;
451 
452 	if (i == plane->modifier_count) {
453 		DRM_DEBUG_KMS("Unsupported modifier\n");
454 		return false;
455 	}
456 
457 	if (priv->afbcd.ops && priv->afbcd.ops->supported_fmt)
458 		return priv->afbcd.ops->supported_fmt(modifier, format);
459 
460 	DRM_DEBUG_KMS("AFBC Unsupported\n");
461 	return false;
462 }
463 
464 static const struct drm_plane_funcs meson_plane_funcs = {
465 	.update_plane		= drm_atomic_helper_update_plane,
466 	.disable_plane		= drm_atomic_helper_disable_plane,
467 	.destroy		= drm_plane_cleanup,
468 	.reset			= drm_atomic_helper_plane_reset,
469 	.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
470 	.atomic_destroy_state	= drm_atomic_helper_plane_destroy_state,
471 	.format_mod_supported   = meson_plane_format_mod_supported,
472 };
473 
474 static const uint32_t supported_drm_formats[] = {
475 	DRM_FORMAT_ARGB8888,
476 	DRM_FORMAT_ABGR8888,
477 	DRM_FORMAT_XRGB8888,
478 	DRM_FORMAT_XBGR8888,
479 	DRM_FORMAT_RGB888,
480 	DRM_FORMAT_RGB565,
481 };
482 
483 static const uint64_t format_modifiers_afbc_gxm[] = {
484 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
485 				AFBC_FORMAT_MOD_SPARSE |
486 				AFBC_FORMAT_MOD_YTR),
487 	/* SPLIT mandates SPARSE, RGB modes mandates YTR */
488 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
489 				AFBC_FORMAT_MOD_YTR |
490 				AFBC_FORMAT_MOD_SPARSE |
491 				AFBC_FORMAT_MOD_SPLIT),
492 	DRM_FORMAT_MOD_LINEAR,
493 	DRM_FORMAT_MOD_INVALID,
494 };
495 
496 static const uint64_t format_modifiers_afbc_g12a[] = {
497 	/*
498 	 * - TOFIX Support AFBC modifiers for YUV formats (16x16 + TILED)
499 	 * - SPLIT is mandatory for performances reasons when in 16x16
500 	 *   block size
501 	 * - 32x8 block size + SPLIT is mandatory with 4K frame size
502 	 *   for performances reasons
503 	 */
504 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
505 				AFBC_FORMAT_MOD_SPARSE |
506 				AFBC_FORMAT_MOD_SPLIT),
507 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 |
508 				AFBC_FORMAT_MOD_YTR |
509 				AFBC_FORMAT_MOD_SPARSE |
510 				AFBC_FORMAT_MOD_SPLIT),
511 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
512 				AFBC_FORMAT_MOD_SPARSE),
513 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
514 				AFBC_FORMAT_MOD_YTR |
515 				AFBC_FORMAT_MOD_SPARSE),
516 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
517 				AFBC_FORMAT_MOD_SPARSE |
518 				AFBC_FORMAT_MOD_SPLIT),
519 	DRM_FORMAT_MOD_ARM_AFBC(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8 |
520 				AFBC_FORMAT_MOD_YTR |
521 				AFBC_FORMAT_MOD_SPARSE |
522 				AFBC_FORMAT_MOD_SPLIT),
523 	DRM_FORMAT_MOD_LINEAR,
524 	DRM_FORMAT_MOD_INVALID,
525 };
526 
527 static const uint64_t format_modifiers_default[] = {
528 	DRM_FORMAT_MOD_LINEAR,
529 	DRM_FORMAT_MOD_INVALID,
530 };
531 
532 int meson_plane_create(struct meson_drm *priv)
533 {
534 	struct meson_plane *meson_plane;
535 	struct drm_plane *plane;
536 	const uint64_t *format_modifiers = format_modifiers_default;
537 	int ret;
538 
539 	meson_plane = devm_kzalloc(priv->drm->dev, sizeof(*meson_plane),
540 				   GFP_KERNEL);
541 	if (!meson_plane)
542 		return -ENOMEM;
543 
544 	meson_plane->priv = priv;
545 	plane = &meson_plane->base;
546 
547 	if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM))
548 		format_modifiers = format_modifiers_afbc_gxm;
549 	else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
550 		format_modifiers = format_modifiers_afbc_g12a;
551 
552 	ret = drm_universal_plane_init(priv->drm, plane, 0xFF,
553 					&meson_plane_funcs,
554 					supported_drm_formats,
555 					ARRAY_SIZE(supported_drm_formats),
556 					format_modifiers,
557 					DRM_PLANE_TYPE_PRIMARY, "meson_primary_plane");
558 	if (ret) {
559 		devm_kfree(priv->drm->dev, meson_plane);
560 		return ret;
561 	}
562 
563 	drm_plane_helper_add(plane, &meson_plane_helper_funcs);
564 
565 	/* For now, OSD Primary plane is always on the front */
566 	drm_plane_create_zpos_immutable_property(plane, 1);
567 
568 	priv->primary_plane = plane;
569 
570 	return 0;
571 }
572