1 // SPDX-License-Identifier: MIT
2 /*
3  * Copyright 2022 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 
27 #include <drm/drm_atomic_helper.h>
28 #include <drm/drm_blend.h>
29 #include <drm/drm_gem_atomic_helper.h>
30 #include <drm/drm_plane_helper.h>
31 #include <drm/drm_fourcc.h>
32 
33 #include "amdgpu.h"
34 #include "dal_asic_id.h"
35 #include "amdgpu_display.h"
36 #include "amdgpu_dm_trace.h"
37 #include "amdgpu_dm_plane.h"
38 #include "gc/gc_11_0_0_offset.h"
39 #include "gc/gc_11_0_0_sh_mask.h"
40 
41 /*
42  * TODO: these are currently initialized to rgb formats only.
43  * For future use cases we should either initialize them dynamically based on
44  * plane capabilities, or initialize this array to all formats, so internal drm
45  * check will succeed, and let DC implement proper check
46  */
47 static const uint32_t rgb_formats[] = {
48 	DRM_FORMAT_XRGB8888,
49 	DRM_FORMAT_ARGB8888,
50 	DRM_FORMAT_RGBA8888,
51 	DRM_FORMAT_XRGB2101010,
52 	DRM_FORMAT_XBGR2101010,
53 	DRM_FORMAT_ARGB2101010,
54 	DRM_FORMAT_ABGR2101010,
55 	DRM_FORMAT_XRGB16161616,
56 	DRM_FORMAT_XBGR16161616,
57 	DRM_FORMAT_ARGB16161616,
58 	DRM_FORMAT_ABGR16161616,
59 	DRM_FORMAT_XBGR8888,
60 	DRM_FORMAT_ABGR8888,
61 	DRM_FORMAT_RGB565,
62 };
63 
64 static const uint32_t overlay_formats[] = {
65 	DRM_FORMAT_XRGB8888,
66 	DRM_FORMAT_ARGB8888,
67 	DRM_FORMAT_RGBA8888,
68 	DRM_FORMAT_XBGR8888,
69 	DRM_FORMAT_ABGR8888,
70 	DRM_FORMAT_RGB565,
71 	DRM_FORMAT_NV21,
72 	DRM_FORMAT_NV12,
73 	DRM_FORMAT_P010
74 };
75 
76 static const uint32_t video_formats[] = {
77 	DRM_FORMAT_NV21,
78 	DRM_FORMAT_NV12,
79 	DRM_FORMAT_P010
80 };
81 
82 static const u32 cursor_formats[] = {
83 	DRM_FORMAT_ARGB8888
84 };
85 
86 enum dm_micro_swizzle {
87 	MICRO_SWIZZLE_Z = 0,
88 	MICRO_SWIZZLE_S = 1,
89 	MICRO_SWIZZLE_D = 2,
90 	MICRO_SWIZZLE_R = 3
91 };
92 
amdgpu_dm_plane_get_format_info(const struct drm_mode_fb_cmd2 * cmd)93 const struct drm_format_info *amdgpu_dm_plane_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
94 {
95 	return amdgpu_lookup_format_info(cmd->pixel_format, cmd->modifier[0]);
96 }
97 
amdgpu_dm_plane_fill_blending_from_plane_state(const struct drm_plane_state * plane_state,bool * per_pixel_alpha,bool * pre_multiplied_alpha,bool * global_alpha,int * global_alpha_value)98 void amdgpu_dm_plane_fill_blending_from_plane_state(const struct drm_plane_state *plane_state,
99 			       bool *per_pixel_alpha, bool *pre_multiplied_alpha,
100 			       bool *global_alpha, int *global_alpha_value)
101 {
102 	*per_pixel_alpha = false;
103 	*pre_multiplied_alpha = true;
104 	*global_alpha = false;
105 	*global_alpha_value = 0xff;
106 
107 	if (plane_state->plane->type != DRM_PLANE_TYPE_OVERLAY)
108 		return;
109 
110 	if (plane_state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI ||
111 		plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE) {
112 		static const uint32_t alpha_formats[] = {
113 			DRM_FORMAT_ARGB8888,
114 			DRM_FORMAT_RGBA8888,
115 			DRM_FORMAT_ABGR8888,
116 			DRM_FORMAT_ARGB2101010,
117 			DRM_FORMAT_ABGR2101010,
118 			DRM_FORMAT_ARGB16161616,
119 			DRM_FORMAT_ABGR16161616,
120 			DRM_FORMAT_ARGB16161616F,
121 		};
122 		uint32_t format = plane_state->fb->format->format;
123 		unsigned int i;
124 
125 		for (i = 0; i < ARRAY_SIZE(alpha_formats); ++i) {
126 			if (format == alpha_formats[i]) {
127 				*per_pixel_alpha = true;
128 				break;
129 			}
130 		}
131 
132 		if (*per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
133 			*pre_multiplied_alpha = false;
134 	}
135 
136 	if (plane_state->alpha < 0xffff) {
137 		*global_alpha = true;
138 		*global_alpha_value = plane_state->alpha >> 8;
139 	}
140 }
141 
add_modifier(uint64_t ** mods,uint64_t * size,uint64_t * cap,uint64_t mod)142 static void add_modifier(uint64_t **mods, uint64_t *size, uint64_t *cap, uint64_t mod)
143 {
144 	if (!*mods)
145 		return;
146 
147 	if (*cap - *size < 1) {
148 		uint64_t new_cap = *cap * 2;
149 		uint64_t *new_mods = kmalloc(new_cap * sizeof(uint64_t), GFP_KERNEL);
150 
151 		if (!new_mods) {
152 			kfree(*mods);
153 			*mods = NULL;
154 			return;
155 		}
156 
157 		memcpy(new_mods, *mods, sizeof(uint64_t) * *size);
158 		kfree(*mods);
159 		*mods = new_mods;
160 		*cap = new_cap;
161 	}
162 
163 	(*mods)[*size] = mod;
164 	*size += 1;
165 }
166 
modifier_has_dcc(uint64_t modifier)167 static bool modifier_has_dcc(uint64_t modifier)
168 {
169 	return IS_AMD_FMT_MOD(modifier) && AMD_FMT_MOD_GET(DCC, modifier);
170 }
171 
modifier_gfx9_swizzle_mode(uint64_t modifier)172 static unsigned int modifier_gfx9_swizzle_mode(uint64_t modifier)
173 {
174 	if (modifier == DRM_FORMAT_MOD_LINEAR)
175 		return 0;
176 
177 	return AMD_FMT_MOD_GET(TILE, modifier);
178 }
179 
fill_gfx8_tiling_info_from_flags(union dc_tiling_info * tiling_info,uint64_t tiling_flags)180 static void fill_gfx8_tiling_info_from_flags(union dc_tiling_info *tiling_info,
181 				 uint64_t tiling_flags)
182 {
183 	/* Fill GFX8 params */
184 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) {
185 		unsigned int bankw, bankh, mtaspect, tile_split, num_banks;
186 
187 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
188 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
189 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
190 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
191 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
192 
193 		/* XXX fix me for VI */
194 		tiling_info->gfx8.num_banks = num_banks;
195 		tiling_info->gfx8.array_mode =
196 				DC_ARRAY_2D_TILED_THIN1;
197 		tiling_info->gfx8.tile_split = tile_split;
198 		tiling_info->gfx8.bank_width = bankw;
199 		tiling_info->gfx8.bank_height = bankh;
200 		tiling_info->gfx8.tile_aspect = mtaspect;
201 		tiling_info->gfx8.tile_mode =
202 				DC_ADDR_SURF_MICRO_TILING_DISPLAY;
203 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE)
204 			== DC_ARRAY_1D_TILED_THIN1) {
205 		tiling_info->gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1;
206 	}
207 
208 	tiling_info->gfx8.pipe_config =
209 			AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
210 }
211 
fill_gfx9_tiling_info_from_device(const struct amdgpu_device * adev,union dc_tiling_info * tiling_info)212 static void fill_gfx9_tiling_info_from_device(const struct amdgpu_device *adev,
213 				  union dc_tiling_info *tiling_info)
214 {
215 	/* Fill GFX9 params */
216 	tiling_info->gfx9.num_pipes =
217 		adev->gfx.config.gb_addr_config_fields.num_pipes;
218 	tiling_info->gfx9.num_banks =
219 		adev->gfx.config.gb_addr_config_fields.num_banks;
220 	tiling_info->gfx9.pipe_interleave =
221 		adev->gfx.config.gb_addr_config_fields.pipe_interleave_size;
222 	tiling_info->gfx9.num_shader_engines =
223 		adev->gfx.config.gb_addr_config_fields.num_se;
224 	tiling_info->gfx9.max_compressed_frags =
225 		adev->gfx.config.gb_addr_config_fields.max_compress_frags;
226 	tiling_info->gfx9.num_rb_per_se =
227 		adev->gfx.config.gb_addr_config_fields.num_rb_per_se;
228 	tiling_info->gfx9.shaderEnable = 1;
229 	if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0))
230 		tiling_info->gfx9.num_pkrs = adev->gfx.config.gb_addr_config_fields.num_pkrs;
231 }
232 
fill_gfx9_tiling_info_from_modifier(const struct amdgpu_device * adev,union dc_tiling_info * tiling_info,uint64_t modifier)233 static void fill_gfx9_tiling_info_from_modifier(const struct amdgpu_device *adev,
234 				    union dc_tiling_info *tiling_info,
235 				    uint64_t modifier)
236 {
237 	unsigned int mod_bank_xor_bits = AMD_FMT_MOD_GET(BANK_XOR_BITS, modifier);
238 	unsigned int mod_pipe_xor_bits = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier);
239 	unsigned int pkrs_log2 = AMD_FMT_MOD_GET(PACKERS, modifier);
240 	unsigned int pipes_log2;
241 
242 	pipes_log2 = min(5u, mod_pipe_xor_bits);
243 
244 	fill_gfx9_tiling_info_from_device(adev, tiling_info);
245 
246 	if (!IS_AMD_FMT_MOD(modifier))
247 		return;
248 
249 	tiling_info->gfx9.num_pipes = 1u << pipes_log2;
250 	tiling_info->gfx9.num_shader_engines = 1u << (mod_pipe_xor_bits - pipes_log2);
251 
252 	if (adev->family >= AMDGPU_FAMILY_NV) {
253 		tiling_info->gfx9.num_pkrs = 1u << pkrs_log2;
254 	} else {
255 		tiling_info->gfx9.num_banks = 1u << mod_bank_xor_bits;
256 
257 		/* for DCC we know it isn't rb aligned, so rb_per_se doesn't matter. */
258 	}
259 }
260 
validate_dcc(struct amdgpu_device * adev,const enum surface_pixel_format format,const enum dc_rotation_angle rotation,const union dc_tiling_info * tiling_info,const struct dc_plane_dcc_param * dcc,const struct dc_plane_address * address,const struct plane_size * plane_size)261 static int validate_dcc(struct amdgpu_device *adev,
262 	     const enum surface_pixel_format format,
263 	     const enum dc_rotation_angle rotation,
264 	     const union dc_tiling_info *tiling_info,
265 	     const struct dc_plane_dcc_param *dcc,
266 	     const struct dc_plane_address *address,
267 	     const struct plane_size *plane_size)
268 {
269 	struct dc *dc = adev->dm.dc;
270 	struct dc_dcc_surface_param input;
271 	struct dc_surface_dcc_cap output;
272 
273 	memset(&input, 0, sizeof(input));
274 	memset(&output, 0, sizeof(output));
275 
276 	if (!dcc->enable)
277 		return 0;
278 
279 	if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN ||
280 	    !dc->cap_funcs.get_dcc_compression_cap)
281 		return -EINVAL;
282 
283 	input.format = format;
284 	input.surface_size.width = plane_size->surface_size.width;
285 	input.surface_size.height = plane_size->surface_size.height;
286 	input.swizzle_mode = tiling_info->gfx9.swizzle;
287 
288 	if (rotation == ROTATION_ANGLE_0 || rotation == ROTATION_ANGLE_180)
289 		input.scan = SCAN_DIRECTION_HORIZONTAL;
290 	else if (rotation == ROTATION_ANGLE_90 || rotation == ROTATION_ANGLE_270)
291 		input.scan = SCAN_DIRECTION_VERTICAL;
292 
293 	if (!dc->cap_funcs.get_dcc_compression_cap(dc, &input, &output))
294 		return -EINVAL;
295 
296 	if (!output.capable)
297 		return -EINVAL;
298 
299 	if (dcc->independent_64b_blks == 0 &&
300 	    output.grph.rgb.independent_64b_blks != 0)
301 		return -EINVAL;
302 
303 	return 0;
304 }
305 
fill_gfx9_plane_attributes_from_modifiers(struct amdgpu_device * adev,const struct amdgpu_framebuffer * afb,const enum surface_pixel_format format,const enum dc_rotation_angle rotation,const struct plane_size * plane_size,union dc_tiling_info * tiling_info,struct dc_plane_dcc_param * dcc,struct dc_plane_address * address,const bool force_disable_dcc)306 static int fill_gfx9_plane_attributes_from_modifiers(struct amdgpu_device *adev,
307 					  const struct amdgpu_framebuffer *afb,
308 					  const enum surface_pixel_format format,
309 					  const enum dc_rotation_angle rotation,
310 					  const struct plane_size *plane_size,
311 					  union dc_tiling_info *tiling_info,
312 					  struct dc_plane_dcc_param *dcc,
313 					  struct dc_plane_address *address,
314 					  const bool force_disable_dcc)
315 {
316 	const uint64_t modifier = afb->base.modifier;
317 	int ret = 0;
318 
319 	fill_gfx9_tiling_info_from_modifier(adev, tiling_info, modifier);
320 	tiling_info->gfx9.swizzle = modifier_gfx9_swizzle_mode(modifier);
321 
322 	if (modifier_has_dcc(modifier) && !force_disable_dcc) {
323 		uint64_t dcc_address = afb->address + afb->base.offsets[1];
324 		bool independent_64b_blks = AMD_FMT_MOD_GET(DCC_INDEPENDENT_64B, modifier);
325 		bool independent_128b_blks = AMD_FMT_MOD_GET(DCC_INDEPENDENT_128B, modifier);
326 
327 		dcc->enable = 1;
328 		dcc->meta_pitch = afb->base.pitches[1];
329 		dcc->independent_64b_blks = independent_64b_blks;
330 		if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) {
331 			if (independent_64b_blks && independent_128b_blks)
332 				dcc->dcc_ind_blk = hubp_ind_block_64b_no_128bcl;
333 			else if (independent_128b_blks)
334 				dcc->dcc_ind_blk = hubp_ind_block_128b;
335 			else if (independent_64b_blks && !independent_128b_blks)
336 				dcc->dcc_ind_blk = hubp_ind_block_64b;
337 			else
338 				dcc->dcc_ind_blk = hubp_ind_block_unconstrained;
339 		} else {
340 			if (independent_64b_blks)
341 				dcc->dcc_ind_blk = hubp_ind_block_64b;
342 			else
343 				dcc->dcc_ind_blk = hubp_ind_block_unconstrained;
344 		}
345 
346 		address->grph.meta_addr.low_part = lower_32_bits(dcc_address);
347 		address->grph.meta_addr.high_part = upper_32_bits(dcc_address);
348 	}
349 
350 	ret = validate_dcc(adev, format, rotation, tiling_info, dcc, address, plane_size);
351 	if (ret)
352 		drm_dbg_kms(adev_to_drm(adev), "validate_dcc: returned error: %d\n", ret);
353 
354 	return ret;
355 }
356 
add_gfx10_1_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)357 static void add_gfx10_1_modifiers(const struct amdgpu_device *adev,
358 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
359 {
360 	int pipe_xor_bits = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
361 
362 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
363 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
364 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
365 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
366 		    AMD_FMT_MOD_SET(DCC, 1) |
367 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
368 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
369 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
370 
371 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
372 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
373 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
374 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
375 		    AMD_FMT_MOD_SET(DCC, 1) |
376 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
377 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
378 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
379 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
380 
381 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
382 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
383 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
384 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits));
385 
386 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
387 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
388 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
389 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits));
390 
391 
392 	/* Only supported for 64bpp, will be filtered in dm_plane_format_mod_supported */
393 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
394 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
395 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
396 
397 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
398 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
399 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
400 }
401 
add_gfx9_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)402 static void add_gfx9_modifiers(const struct amdgpu_device *adev,
403 		   uint64_t **mods, uint64_t *size, uint64_t *capacity)
404 {
405 	int pipes = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
406 	int pipe_xor_bits = min(8, pipes +
407 				ilog2(adev->gfx.config.gb_addr_config_fields.num_se));
408 	int bank_xor_bits = min(8 - pipe_xor_bits,
409 				ilog2(adev->gfx.config.gb_addr_config_fields.num_banks));
410 	int rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) +
411 		 ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se);
412 
413 
414 	if (adev->family == AMDGPU_FAMILY_RV) {
415 		/* Raven2 and later */
416 		bool has_constant_encode = adev->asic_type > CHIP_RAVEN || adev->external_rev_id >= 0x81;
417 
418 		/*
419 		 * No _D DCC swizzles yet because we only allow 32bpp, which
420 		 * doesn't support _D on DCN
421 		 */
422 
423 		if (has_constant_encode) {
424 			add_modifier(mods, size, capacity, AMD_FMT_MOD |
425 				    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
426 				    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
427 				    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
428 				    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
429 				    AMD_FMT_MOD_SET(DCC, 1) |
430 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
431 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
432 				    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1));
433 		}
434 
435 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
436 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
437 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
438 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
439 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
440 			    AMD_FMT_MOD_SET(DCC, 1) |
441 			    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
442 			    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
443 			    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 0));
444 
445 		if (has_constant_encode) {
446 			add_modifier(mods, size, capacity, AMD_FMT_MOD |
447 				    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
448 				    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
449 				    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
450 				    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
451 				    AMD_FMT_MOD_SET(DCC, 1) |
452 				    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
453 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
454 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
455 
456 				    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
457 				    AMD_FMT_MOD_SET(RB, rb) |
458 				    AMD_FMT_MOD_SET(PIPE, pipes));
459 		}
460 
461 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
462 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
463 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
464 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
465 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
466 			    AMD_FMT_MOD_SET(DCC, 1) |
467 			    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
468 			    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
469 			    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
470 			    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 0) |
471 			    AMD_FMT_MOD_SET(RB, rb) |
472 			    AMD_FMT_MOD_SET(PIPE, pipes));
473 	}
474 
475 	/*
476 	 * Only supported for 64bpp on Raven, will be filtered on format in
477 	 * dm_plane_format_mod_supported.
478 	 */
479 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
480 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D_X) |
481 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
482 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
483 		    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits));
484 
485 	if (adev->family == AMDGPU_FAMILY_RV) {
486 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
487 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
488 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
489 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
490 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits));
491 	}
492 
493 	/*
494 	 * Only supported for 64bpp on Raven, will be filtered on format in
495 	 * dm_plane_format_mod_supported.
496 	 */
497 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
498 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
499 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
500 
501 	if (adev->family == AMDGPU_FAMILY_RV) {
502 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
503 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
504 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
505 	}
506 }
507 
add_gfx10_3_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)508 static void add_gfx10_3_modifiers(const struct amdgpu_device *adev,
509 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
510 {
511 	int pipe_xor_bits = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
512 	int pkrs = ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs);
513 
514 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
515 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
516 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
517 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
518 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
519 		    AMD_FMT_MOD_SET(DCC, 1) |
520 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
521 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
522 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
523 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
524 
525 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
526 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
527 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
528 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
529 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
530 		    AMD_FMT_MOD_SET(DCC, 1) |
531 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
532 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
533 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
534 
535 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
536 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
537 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
538 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
539 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
540 		    AMD_FMT_MOD_SET(DCC, 1) |
541 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
542 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
543 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
544 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
545 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
546 
547 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
548 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
549 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
550 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
551 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
552 		    AMD_FMT_MOD_SET(DCC, 1) |
553 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
554 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
555 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
556 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
557 
558 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
559 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
560 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
561 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
562 		    AMD_FMT_MOD_SET(PACKERS, pkrs));
563 
564 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
565 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
566 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
567 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
568 		    AMD_FMT_MOD_SET(PACKERS, pkrs));
569 
570 	/* Only supported for 64bpp, will be filtered in dm_plane_format_mod_supported */
571 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
572 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
573 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
574 
575 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
576 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
577 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
578 }
579 
add_gfx11_modifiers(struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)580 static void add_gfx11_modifiers(struct amdgpu_device *adev,
581 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
582 {
583 	int num_pipes = 0;
584 	int pipe_xor_bits = 0;
585 	int num_pkrs = 0;
586 	int pkrs = 0;
587 	u32 gb_addr_config;
588 	u8 i = 0;
589 	unsigned int swizzle_r_x;
590 	uint64_t modifier_r_x;
591 	uint64_t modifier_dcc_best;
592 	uint64_t modifier_dcc_4k;
593 
594 	/* TODO: GFX11 IP HW init hasnt finish and we get zero if we read from
595 	 * adev->gfx.config.gb_addr_config_fields.num_{pkrs,pipes}
596 	 */
597 	gb_addr_config = RREG32_SOC15(GC, 0, regGB_ADDR_CONFIG);
598 	ASSERT(gb_addr_config != 0);
599 
600 	num_pkrs = 1 << REG_GET_FIELD(gb_addr_config, GB_ADDR_CONFIG, NUM_PKRS);
601 	pkrs = ilog2(num_pkrs);
602 	num_pipes = 1 << REG_GET_FIELD(gb_addr_config, GB_ADDR_CONFIG, NUM_PIPES);
603 	pipe_xor_bits = ilog2(num_pipes);
604 
605 	for (i = 0; i < 2; i++) {
606 		/* Insert the best one first. */
607 		/* R_X swizzle modes are the best for rendering and DCC requires them. */
608 		if (num_pipes > 16)
609 			swizzle_r_x = !i ? AMD_FMT_MOD_TILE_GFX11_256K_R_X : AMD_FMT_MOD_TILE_GFX9_64K_R_X;
610 		else
611 			swizzle_r_x = !i ? AMD_FMT_MOD_TILE_GFX9_64K_R_X : AMD_FMT_MOD_TILE_GFX11_256K_R_X;
612 
613 		modifier_r_x = AMD_FMT_MOD |
614 			       AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX11) |
615 			       AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
616 			       AMD_FMT_MOD_SET(TILE, swizzle_r_x) |
617 			       AMD_FMT_MOD_SET(PACKERS, pkrs);
618 
619 		/* DCC_CONSTANT_ENCODE is not set because it can't vary with gfx11 (it's implied to be 1). */
620 		modifier_dcc_best = modifier_r_x | AMD_FMT_MOD_SET(DCC, 1) |
621 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 0) |
622 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
623 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B);
624 
625 		/* DCC settings for 4K and greater resolutions. (required by display hw) */
626 		modifier_dcc_4k = modifier_r_x | AMD_FMT_MOD_SET(DCC, 1) |
627 				  AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
628 				  AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
629 				  AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B);
630 
631 		add_modifier(mods, size, capacity, modifier_dcc_best);
632 		add_modifier(mods, size, capacity, modifier_dcc_4k);
633 
634 		add_modifier(mods, size, capacity, modifier_dcc_best | AMD_FMT_MOD_SET(DCC_RETILE, 1));
635 		add_modifier(mods, size, capacity, modifier_dcc_4k | AMD_FMT_MOD_SET(DCC_RETILE, 1));
636 
637 		add_modifier(mods, size, capacity, modifier_r_x);
638 	}
639 
640 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
641 			AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX11) |
642 			AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D));
643 }
644 
get_plane_modifiers(struct amdgpu_device * adev,unsigned int plane_type,uint64_t ** mods)645 static int get_plane_modifiers(struct amdgpu_device *adev, unsigned int plane_type, uint64_t **mods)
646 {
647 	uint64_t size = 0, capacity = 128;
648 	*mods = NULL;
649 
650 	/* We have not hooked up any pre-GFX9 modifiers. */
651 	if (adev->family < AMDGPU_FAMILY_AI)
652 		return 0;
653 
654 	*mods = kmalloc(capacity * sizeof(uint64_t), GFP_KERNEL);
655 
656 	if (plane_type == DRM_PLANE_TYPE_CURSOR) {
657 		add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_LINEAR);
658 		add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
659 		return *mods ? 0 : -ENOMEM;
660 	}
661 
662 	switch (adev->family) {
663 	case AMDGPU_FAMILY_AI:
664 	case AMDGPU_FAMILY_RV:
665 		add_gfx9_modifiers(adev, mods, &size, &capacity);
666 		break;
667 	case AMDGPU_FAMILY_NV:
668 	case AMDGPU_FAMILY_VGH:
669 	case AMDGPU_FAMILY_YC:
670 	case AMDGPU_FAMILY_GC_10_3_6:
671 	case AMDGPU_FAMILY_GC_10_3_7:
672 		if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0))
673 			add_gfx10_3_modifiers(adev, mods, &size, &capacity);
674 		else
675 			add_gfx10_1_modifiers(adev, mods, &size, &capacity);
676 		break;
677 	case AMDGPU_FAMILY_GC_11_0_0:
678 	case AMDGPU_FAMILY_GC_11_0_1:
679 		add_gfx11_modifiers(adev, mods, &size, &capacity);
680 		break;
681 	}
682 
683 	add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_LINEAR);
684 
685 	/* INVALID marks the end of the list. */
686 	add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
687 
688 	if (!*mods)
689 		return -ENOMEM;
690 
691 	return 0;
692 }
693 
get_plane_formats(const struct drm_plane * plane,const struct dc_plane_cap * plane_cap,uint32_t * formats,int max_formats)694 static int get_plane_formats(const struct drm_plane *plane,
695 			     const struct dc_plane_cap *plane_cap,
696 			     uint32_t *formats, int max_formats)
697 {
698 	int i, num_formats = 0;
699 
700 	/*
701 	 * TODO: Query support for each group of formats directly from
702 	 * DC plane caps. This will require adding more formats to the
703 	 * caps list.
704 	 */
705 
706 	if (plane->type == DRM_PLANE_TYPE_PRIMARY ||
707 		(plane_cap && plane_cap->type == DC_PLANE_TYPE_DCN_UNIVERSAL && plane->type != DRM_PLANE_TYPE_CURSOR)) {
708 		for (i = 0; i < ARRAY_SIZE(rgb_formats); ++i) {
709 			if (num_formats >= max_formats)
710 				break;
711 
712 			formats[num_formats++] = rgb_formats[i];
713 		}
714 
715 		if (plane_cap && plane_cap->pixel_format_support.nv12)
716 			formats[num_formats++] = DRM_FORMAT_NV12;
717 		if (plane_cap && plane_cap->pixel_format_support.p010)
718 			formats[num_formats++] = DRM_FORMAT_P010;
719 		if (plane_cap && plane_cap->pixel_format_support.fp16) {
720 			formats[num_formats++] = DRM_FORMAT_XRGB16161616F;
721 			formats[num_formats++] = DRM_FORMAT_ARGB16161616F;
722 			formats[num_formats++] = DRM_FORMAT_XBGR16161616F;
723 			formats[num_formats++] = DRM_FORMAT_ABGR16161616F;
724 		}
725 	} else {
726 		switch (plane->type) {
727 		case DRM_PLANE_TYPE_OVERLAY:
728 			for (i = 0; i < ARRAY_SIZE(overlay_formats); ++i) {
729 				if (num_formats >= max_formats)
730 					break;
731 
732 				formats[num_formats++] = overlay_formats[i];
733 			}
734 			break;
735 
736 		case DRM_PLANE_TYPE_CURSOR:
737 			for (i = 0; i < ARRAY_SIZE(cursor_formats); ++i) {
738 				if (num_formats >= max_formats)
739 					break;
740 
741 				formats[num_formats++] = cursor_formats[i];
742 			}
743 			break;
744 
745 		default:
746 			break;
747 		}
748 	}
749 
750 	return num_formats;
751 }
752 
amdgpu_dm_plane_fill_plane_buffer_attributes(struct amdgpu_device * adev,const struct amdgpu_framebuffer * afb,const enum surface_pixel_format format,const enum dc_rotation_angle rotation,const uint64_t tiling_flags,union dc_tiling_info * tiling_info,struct plane_size * plane_size,struct dc_plane_dcc_param * dcc,struct dc_plane_address * address,bool tmz_surface,bool force_disable_dcc)753 int amdgpu_dm_plane_fill_plane_buffer_attributes(struct amdgpu_device *adev,
754 			     const struct amdgpu_framebuffer *afb,
755 			     const enum surface_pixel_format format,
756 			     const enum dc_rotation_angle rotation,
757 			     const uint64_t tiling_flags,
758 			     union dc_tiling_info *tiling_info,
759 			     struct plane_size *plane_size,
760 			     struct dc_plane_dcc_param *dcc,
761 			     struct dc_plane_address *address,
762 			     bool tmz_surface,
763 			     bool force_disable_dcc)
764 {
765 	const struct drm_framebuffer *fb = &afb->base;
766 	int ret;
767 
768 	memset(tiling_info, 0, sizeof(*tiling_info));
769 	memset(plane_size, 0, sizeof(*plane_size));
770 	memset(dcc, 0, sizeof(*dcc));
771 	memset(address, 0, sizeof(*address));
772 
773 	address->tmz_surface = tmz_surface;
774 
775 	if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
776 		uint64_t addr = afb->address + fb->offsets[0];
777 
778 		plane_size->surface_size.x = 0;
779 		plane_size->surface_size.y = 0;
780 		plane_size->surface_size.width = fb->width;
781 		plane_size->surface_size.height = fb->height;
782 		plane_size->surface_pitch =
783 			fb->pitches[0] / fb->format->cpp[0];
784 
785 		address->type = PLN_ADDR_TYPE_GRAPHICS;
786 		address->grph.addr.low_part = lower_32_bits(addr);
787 		address->grph.addr.high_part = upper_32_bits(addr);
788 	} else if (format < SURFACE_PIXEL_FORMAT_INVALID) {
789 		uint64_t luma_addr = afb->address + fb->offsets[0];
790 		uint64_t chroma_addr = afb->address + fb->offsets[1];
791 
792 		plane_size->surface_size.x = 0;
793 		plane_size->surface_size.y = 0;
794 		plane_size->surface_size.width = fb->width;
795 		plane_size->surface_size.height = fb->height;
796 		plane_size->surface_pitch =
797 			fb->pitches[0] / fb->format->cpp[0];
798 
799 		plane_size->chroma_size.x = 0;
800 		plane_size->chroma_size.y = 0;
801 		/* TODO: set these based on surface format */
802 		plane_size->chroma_size.width = fb->width / 2;
803 		plane_size->chroma_size.height = fb->height / 2;
804 
805 		plane_size->chroma_pitch =
806 			fb->pitches[1] / fb->format->cpp[1];
807 
808 		address->type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
809 		address->video_progressive.luma_addr.low_part =
810 			lower_32_bits(luma_addr);
811 		address->video_progressive.luma_addr.high_part =
812 			upper_32_bits(luma_addr);
813 		address->video_progressive.chroma_addr.low_part =
814 			lower_32_bits(chroma_addr);
815 		address->video_progressive.chroma_addr.high_part =
816 			upper_32_bits(chroma_addr);
817 	}
818 
819 	if (adev->family >= AMDGPU_FAMILY_AI) {
820 		ret = fill_gfx9_plane_attributes_from_modifiers(adev, afb, format,
821 								rotation, plane_size,
822 								tiling_info, dcc,
823 								address,
824 								force_disable_dcc);
825 		if (ret)
826 			return ret;
827 	} else {
828 		fill_gfx8_tiling_info_from_flags(tiling_info, tiling_flags);
829 	}
830 
831 	return 0;
832 }
833 
dm_plane_helper_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)834 static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
835 				      struct drm_plane_state *new_state)
836 {
837 	struct amdgpu_framebuffer *afb;
838 	struct drm_gem_object *obj;
839 	struct amdgpu_device *adev;
840 	struct amdgpu_bo *rbo;
841 	struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
842 	uint32_t domain;
843 	int r;
844 
845 	if (!new_state->fb) {
846 		DRM_DEBUG_KMS("No FB bound\n");
847 		return 0;
848 	}
849 
850 	afb = to_amdgpu_framebuffer(new_state->fb);
851 	obj = new_state->fb->obj[0];
852 	rbo = gem_to_amdgpu_bo(obj);
853 	adev = amdgpu_ttm_adev(rbo->tbo.bdev);
854 
855 	r = amdgpu_bo_reserve(rbo, true);
856 	if (r) {
857 		dev_err(adev->dev, "fail to reserve bo (%d)\n", r);
858 		return r;
859 	}
860 
861 	r = dma_resv_reserve_fences(rbo->tbo.base.resv, 1);
862 	if (r) {
863 		dev_err(adev->dev, "reserving fence slot failed (%d)\n", r);
864 		goto error_unlock;
865 	}
866 
867 	if (plane->type != DRM_PLANE_TYPE_CURSOR)
868 		domain = amdgpu_display_supported_domains(adev, rbo->flags);
869 	else
870 		domain = AMDGPU_GEM_DOMAIN_VRAM;
871 
872 	r = amdgpu_bo_pin(rbo, domain);
873 	if (unlikely(r != 0)) {
874 		if (r != -ERESTARTSYS)
875 			DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
876 		goto error_unlock;
877 	}
878 
879 	r = amdgpu_ttm_alloc_gart(&rbo->tbo);
880 	if (unlikely(r != 0)) {
881 		DRM_ERROR("%p bind failed\n", rbo);
882 		goto error_unpin;
883 	}
884 
885 	r = drm_gem_plane_helper_prepare_fb(plane, new_state);
886 	if (unlikely(r != 0))
887 		goto error_unpin;
888 
889 	amdgpu_bo_unreserve(rbo);
890 
891 	afb->address = amdgpu_bo_gpu_offset(rbo);
892 
893 	amdgpu_bo_ref(rbo);
894 
895 	/**
896 	 * We don't do surface updates on planes that have been newly created,
897 	 * but we also don't have the afb->address during atomic check.
898 	 *
899 	 * Fill in buffer attributes depending on the address here, but only on
900 	 * newly created planes since they're not being used by DC yet and this
901 	 * won't modify global state.
902 	 */
903 	dm_plane_state_old = to_dm_plane_state(plane->state);
904 	dm_plane_state_new = to_dm_plane_state(new_state);
905 
906 	if (dm_plane_state_new->dc_state &&
907 	    dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
908 		struct dc_plane_state *plane_state =
909 			dm_plane_state_new->dc_state;
910 		bool force_disable_dcc = !plane_state->dcc.enable;
911 
912 		amdgpu_dm_plane_fill_plane_buffer_attributes(
913 			adev, afb, plane_state->format, plane_state->rotation,
914 			afb->tiling_flags,
915 			&plane_state->tiling_info, &plane_state->plane_size,
916 			&plane_state->dcc, &plane_state->address,
917 			afb->tmz_surface, force_disable_dcc);
918 	}
919 
920 	return 0;
921 
922 error_unpin:
923 	amdgpu_bo_unpin(rbo);
924 
925 error_unlock:
926 	amdgpu_bo_unreserve(rbo);
927 	return r;
928 }
929 
dm_plane_helper_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)930 static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
931 				       struct drm_plane_state *old_state)
932 {
933 	struct amdgpu_bo *rbo;
934 	int r;
935 
936 	if (!old_state->fb)
937 		return;
938 
939 	rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]);
940 	r = amdgpu_bo_reserve(rbo, false);
941 	if (unlikely(r)) {
942 		DRM_ERROR("failed to reserve rbo before unpin\n");
943 		return;
944 	}
945 
946 	amdgpu_bo_unpin(rbo);
947 	amdgpu_bo_unreserve(rbo);
948 	amdgpu_bo_unref(&rbo);
949 }
950 
get_min_max_dc_plane_scaling(struct drm_device * dev,struct drm_framebuffer * fb,int * min_downscale,int * max_upscale)951 static void get_min_max_dc_plane_scaling(struct drm_device *dev,
952 					 struct drm_framebuffer *fb,
953 					 int *min_downscale, int *max_upscale)
954 {
955 	struct amdgpu_device *adev = drm_to_adev(dev);
956 	struct dc *dc = adev->dm.dc;
957 	/* Caps for all supported planes are the same on DCE and DCN 1 - 3 */
958 	struct dc_plane_cap *plane_cap = &dc->caps.planes[0];
959 
960 	switch (fb->format->format) {
961 	case DRM_FORMAT_P010:
962 	case DRM_FORMAT_NV12:
963 	case DRM_FORMAT_NV21:
964 		*max_upscale = plane_cap->max_upscale_factor.nv12;
965 		*min_downscale = plane_cap->max_downscale_factor.nv12;
966 		break;
967 
968 	case DRM_FORMAT_XRGB16161616F:
969 	case DRM_FORMAT_ARGB16161616F:
970 	case DRM_FORMAT_XBGR16161616F:
971 	case DRM_FORMAT_ABGR16161616F:
972 		*max_upscale = plane_cap->max_upscale_factor.fp16;
973 		*min_downscale = plane_cap->max_downscale_factor.fp16;
974 		break;
975 
976 	default:
977 		*max_upscale = plane_cap->max_upscale_factor.argb8888;
978 		*min_downscale = plane_cap->max_downscale_factor.argb8888;
979 		break;
980 	}
981 
982 	/*
983 	 * A factor of 1 in the plane_cap means to not allow scaling, ie. use a
984 	 * scaling factor of 1.0 == 1000 units.
985 	 */
986 	if (*max_upscale == 1)
987 		*max_upscale = 1000;
988 
989 	if (*min_downscale == 1)
990 		*min_downscale = 1000;
991 }
992 
amdgpu_dm_plane_helper_check_state(struct drm_plane_state * state,struct drm_crtc_state * new_crtc_state)993 int amdgpu_dm_plane_helper_check_state(struct drm_plane_state *state,
994 				       struct drm_crtc_state *new_crtc_state)
995 {
996 	struct drm_framebuffer *fb = state->fb;
997 	int min_downscale, max_upscale;
998 	int min_scale = 0;
999 	int max_scale = INT_MAX;
1000 
1001 	/* Plane enabled? Validate viewport and get scaling factors from plane caps. */
1002 	if (fb && state->crtc) {
1003 		/* Validate viewport to cover the case when only the position changes */
1004 		if (state->plane->type != DRM_PLANE_TYPE_CURSOR) {
1005 			int viewport_width = state->crtc_w;
1006 			int viewport_height = state->crtc_h;
1007 
1008 			if (state->crtc_x < 0)
1009 				viewport_width += state->crtc_x;
1010 			else if (state->crtc_x + state->crtc_w > new_crtc_state->mode.crtc_hdisplay)
1011 				viewport_width = new_crtc_state->mode.crtc_hdisplay - state->crtc_x;
1012 
1013 			if (state->crtc_y < 0)
1014 				viewport_height += state->crtc_y;
1015 			else if (state->crtc_y + state->crtc_h > new_crtc_state->mode.crtc_vdisplay)
1016 				viewport_height = new_crtc_state->mode.crtc_vdisplay - state->crtc_y;
1017 
1018 			if (viewport_width < 0 || viewport_height < 0) {
1019 				DRM_DEBUG_ATOMIC("Plane completely outside of screen\n");
1020 				return -EINVAL;
1021 			} else if (viewport_width < MIN_VIEWPORT_SIZE*2) { /* x2 for width is because of pipe-split. */
1022 				DRM_DEBUG_ATOMIC("Viewport width %d smaller than %d\n", viewport_width, MIN_VIEWPORT_SIZE*2);
1023 				return -EINVAL;
1024 			} else if (viewport_height < MIN_VIEWPORT_SIZE) {
1025 				DRM_DEBUG_ATOMIC("Viewport height %d smaller than %d\n", viewport_height, MIN_VIEWPORT_SIZE);
1026 				return -EINVAL;
1027 			}
1028 
1029 		}
1030 
1031 		/* Get min/max allowed scaling factors from plane caps. */
1032 		get_min_max_dc_plane_scaling(state->crtc->dev, fb,
1033 					     &min_downscale, &max_upscale);
1034 		/*
1035 		 * Convert to drm convention: 16.16 fixed point, instead of dc's
1036 		 * 1.0 == 1000. Also drm scaling is src/dst instead of dc's
1037 		 * dst/src, so min_scale = 1.0 / max_upscale, etc.
1038 		 */
1039 		min_scale = (1000 << 16) / max_upscale;
1040 		max_scale = (1000 << 16) / min_downscale;
1041 	}
1042 
1043 	return drm_atomic_helper_check_plane_state(
1044 		state, new_crtc_state, min_scale, max_scale, true, true);
1045 }
1046 
amdgpu_dm_plane_fill_dc_scaling_info(struct amdgpu_device * adev,const struct drm_plane_state * state,struct dc_scaling_info * scaling_info)1047 int amdgpu_dm_plane_fill_dc_scaling_info(struct amdgpu_device *adev,
1048 				const struct drm_plane_state *state,
1049 				struct dc_scaling_info *scaling_info)
1050 {
1051 	int scale_w, scale_h, min_downscale, max_upscale;
1052 
1053 	memset(scaling_info, 0, sizeof(*scaling_info));
1054 
1055 	/* Source is fixed 16.16 but we ignore mantissa for now... */
1056 	scaling_info->src_rect.x = state->src_x >> 16;
1057 	scaling_info->src_rect.y = state->src_y >> 16;
1058 
1059 	/*
1060 	 * For reasons we don't (yet) fully understand a non-zero
1061 	 * src_y coordinate into an NV12 buffer can cause a
1062 	 * system hang on DCN1x.
1063 	 * To avoid hangs (and maybe be overly cautious)
1064 	 * let's reject both non-zero src_x and src_y.
1065 	 *
1066 	 * We currently know of only one use-case to reproduce a
1067 	 * scenario with non-zero src_x and src_y for NV12, which
1068 	 * is to gesture the YouTube Android app into full screen
1069 	 * on ChromeOS.
1070 	 */
1071 	if (((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
1072 	    (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) &&
1073 	    (state->fb && state->fb->format->format == DRM_FORMAT_NV12 &&
1074 	    (scaling_info->src_rect.x != 0 || scaling_info->src_rect.y != 0)))
1075 		return -EINVAL;
1076 
1077 	scaling_info->src_rect.width = state->src_w >> 16;
1078 	if (scaling_info->src_rect.width == 0)
1079 		return -EINVAL;
1080 
1081 	scaling_info->src_rect.height = state->src_h >> 16;
1082 	if (scaling_info->src_rect.height == 0)
1083 		return -EINVAL;
1084 
1085 	scaling_info->dst_rect.x = state->crtc_x;
1086 	scaling_info->dst_rect.y = state->crtc_y;
1087 
1088 	if (state->crtc_w == 0)
1089 		return -EINVAL;
1090 
1091 	scaling_info->dst_rect.width = state->crtc_w;
1092 
1093 	if (state->crtc_h == 0)
1094 		return -EINVAL;
1095 
1096 	scaling_info->dst_rect.height = state->crtc_h;
1097 
1098 	/* DRM doesn't specify clipping on destination output. */
1099 	scaling_info->clip_rect = scaling_info->dst_rect;
1100 
1101 	/* Validate scaling per-format with DC plane caps */
1102 	if (state->plane && state->plane->dev && state->fb) {
1103 		get_min_max_dc_plane_scaling(state->plane->dev, state->fb,
1104 					     &min_downscale, &max_upscale);
1105 	} else {
1106 		min_downscale = 250;
1107 		max_upscale = 16000;
1108 	}
1109 
1110 	scale_w = scaling_info->dst_rect.width * 1000 /
1111 		  scaling_info->src_rect.width;
1112 
1113 	if (scale_w < min_downscale || scale_w > max_upscale)
1114 		return -EINVAL;
1115 
1116 	scale_h = scaling_info->dst_rect.height * 1000 /
1117 		  scaling_info->src_rect.height;
1118 
1119 	if (scale_h < min_downscale || scale_h > max_upscale)
1120 		return -EINVAL;
1121 
1122 	/*
1123 	 * The "scaling_quality" can be ignored for now, quality = 0 has DC
1124 	 * assume reasonable defaults based on the format.
1125 	 */
1126 
1127 	return 0;
1128 }
1129 
dm_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1130 static int dm_plane_atomic_check(struct drm_plane *plane,
1131 				 struct drm_atomic_state *state)
1132 {
1133 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1134 										 plane);
1135 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1136 	struct dc *dc = adev->dm.dc;
1137 	struct dm_plane_state *dm_plane_state;
1138 	struct dc_scaling_info scaling_info;
1139 	struct drm_crtc_state *new_crtc_state;
1140 	int ret;
1141 
1142 	trace_amdgpu_dm_plane_atomic_check(new_plane_state);
1143 
1144 	dm_plane_state = to_dm_plane_state(new_plane_state);
1145 
1146 	if (!dm_plane_state->dc_state)
1147 		return 0;
1148 
1149 	new_crtc_state =
1150 		drm_atomic_get_new_crtc_state(state,
1151 					      new_plane_state->crtc);
1152 	if (!new_crtc_state)
1153 		return -EINVAL;
1154 
1155 	ret = amdgpu_dm_plane_helper_check_state(new_plane_state, new_crtc_state);
1156 	if (ret)
1157 		return ret;
1158 
1159 	ret = amdgpu_dm_plane_fill_dc_scaling_info(adev, new_plane_state, &scaling_info);
1160 	if (ret)
1161 		return ret;
1162 
1163 	if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK)
1164 		return 0;
1165 
1166 	return -EINVAL;
1167 }
1168 
dm_plane_atomic_async_check(struct drm_plane * plane,struct drm_atomic_state * state)1169 static int dm_plane_atomic_async_check(struct drm_plane *plane,
1170 				       struct drm_atomic_state *state)
1171 {
1172 	/* Only support async updates on cursor planes. */
1173 	if (plane->type != DRM_PLANE_TYPE_CURSOR)
1174 		return -EINVAL;
1175 
1176 	return 0;
1177 }
1178 
get_cursor_position(struct drm_plane * plane,struct drm_crtc * crtc,struct dc_cursor_position * position)1179 static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc,
1180 			       struct dc_cursor_position *position)
1181 {
1182 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1183 	int x, y;
1184 	int xorigin = 0, yorigin = 0;
1185 
1186 	if (!crtc || !plane->state->fb)
1187 		return 0;
1188 
1189 	if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) ||
1190 	    (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) {
1191 		DRM_ERROR("%s: bad cursor width or height %d x %d\n",
1192 			  __func__,
1193 			  plane->state->crtc_w,
1194 			  plane->state->crtc_h);
1195 		return -EINVAL;
1196 	}
1197 
1198 	x = plane->state->crtc_x;
1199 	y = plane->state->crtc_y;
1200 
1201 	if (x <= -amdgpu_crtc->max_cursor_width ||
1202 	    y <= -amdgpu_crtc->max_cursor_height)
1203 		return 0;
1204 
1205 	if (x < 0) {
1206 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
1207 		x = 0;
1208 	}
1209 	if (y < 0) {
1210 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
1211 		y = 0;
1212 	}
1213 	position->enable = true;
1214 	position->translate_by_source = true;
1215 	position->x = x;
1216 	position->y = y;
1217 	position->x_hotspot = xorigin;
1218 	position->y_hotspot = yorigin;
1219 
1220 	return 0;
1221 }
1222 
amdgpu_dm_plane_handle_cursor_update(struct drm_plane * plane,struct drm_plane_state * old_plane_state)1223 void amdgpu_dm_plane_handle_cursor_update(struct drm_plane *plane,
1224 				 struct drm_plane_state *old_plane_state)
1225 {
1226 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1227 	struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb);
1228 	struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc;
1229 	struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL;
1230 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1231 	uint64_t address = afb ? afb->address : 0;
1232 	struct dc_cursor_position position = {0};
1233 	struct dc_cursor_attributes attributes;
1234 	int ret;
1235 
1236 	if (!plane->state->fb && !old_plane_state->fb)
1237 		return;
1238 
1239 	DC_LOG_CURSOR("%s: crtc_id=%d with size %d to %d\n",
1240 		      __func__,
1241 		      amdgpu_crtc->crtc_id,
1242 		      plane->state->crtc_w,
1243 		      plane->state->crtc_h);
1244 
1245 	ret = get_cursor_position(plane, crtc, &position);
1246 	if (ret)
1247 		return;
1248 
1249 	if (!position.enable) {
1250 		/* turn off cursor */
1251 		if (crtc_state && crtc_state->stream) {
1252 			mutex_lock(&adev->dm.dc_lock);
1253 			dc_stream_set_cursor_position(crtc_state->stream,
1254 						      &position);
1255 			mutex_unlock(&adev->dm.dc_lock);
1256 		}
1257 		return;
1258 	}
1259 
1260 	amdgpu_crtc->cursor_width = plane->state->crtc_w;
1261 	amdgpu_crtc->cursor_height = plane->state->crtc_h;
1262 
1263 	memset(&attributes, 0, sizeof(attributes));
1264 	attributes.address.high_part = upper_32_bits(address);
1265 	attributes.address.low_part  = lower_32_bits(address);
1266 	attributes.width             = plane->state->crtc_w;
1267 	attributes.height            = plane->state->crtc_h;
1268 	attributes.color_format      = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA;
1269 	attributes.rotation_angle    = 0;
1270 	attributes.attribute_flags.value = 0;
1271 
1272 	/* Enable cursor degamma ROM on DCN3+ for implicit sRGB degamma in DRM
1273 	 * legacy gamma setup.
1274 	 */
1275 	if (crtc_state->cm_is_degamma_srgb &&
1276 	    adev->dm.dc->caps.color.dpp.gamma_corr)
1277 		attributes.attribute_flags.bits.ENABLE_CURSOR_DEGAMMA = 1;
1278 
1279 	attributes.pitch = afb->base.pitches[0] / afb->base.format->cpp[0];
1280 
1281 	if (crtc_state->stream) {
1282 		mutex_lock(&adev->dm.dc_lock);
1283 		if (!dc_stream_set_cursor_attributes(crtc_state->stream,
1284 							 &attributes))
1285 			DRM_ERROR("DC failed to set cursor attributes\n");
1286 
1287 		if (!dc_stream_set_cursor_position(crtc_state->stream,
1288 						   &position))
1289 			DRM_ERROR("DC failed to set cursor position\n");
1290 		mutex_unlock(&adev->dm.dc_lock);
1291 	}
1292 }
1293 
dm_plane_atomic_async_update(struct drm_plane * plane,struct drm_atomic_state * state)1294 static void dm_plane_atomic_async_update(struct drm_plane *plane,
1295 					 struct drm_atomic_state *state)
1296 {
1297 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1298 									   plane);
1299 	struct drm_plane_state *old_state =
1300 		drm_atomic_get_old_plane_state(state, plane);
1301 
1302 	trace_amdgpu_dm_atomic_update_cursor(new_state);
1303 
1304 	swap(plane->state->fb, new_state->fb);
1305 
1306 	plane->state->src_x = new_state->src_x;
1307 	plane->state->src_y = new_state->src_y;
1308 	plane->state->src_w = new_state->src_w;
1309 	plane->state->src_h = new_state->src_h;
1310 	plane->state->crtc_x = new_state->crtc_x;
1311 	plane->state->crtc_y = new_state->crtc_y;
1312 	plane->state->crtc_w = new_state->crtc_w;
1313 	plane->state->crtc_h = new_state->crtc_h;
1314 
1315 	amdgpu_dm_plane_handle_cursor_update(plane, old_state);
1316 }
1317 
1318 static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
1319 	.prepare_fb = dm_plane_helper_prepare_fb,
1320 	.cleanup_fb = dm_plane_helper_cleanup_fb,
1321 	.atomic_check = dm_plane_atomic_check,
1322 	.atomic_async_check = dm_plane_atomic_async_check,
1323 	.atomic_async_update = dm_plane_atomic_async_update
1324 };
1325 
dm_drm_plane_reset(struct drm_plane * plane)1326 static void dm_drm_plane_reset(struct drm_plane *plane)
1327 {
1328 	struct dm_plane_state *amdgpu_state = NULL;
1329 
1330 	if (plane->state)
1331 		plane->funcs->atomic_destroy_state(plane, plane->state);
1332 
1333 	amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL);
1334 	WARN_ON(amdgpu_state == NULL);
1335 
1336 	if (amdgpu_state)
1337 		__drm_atomic_helper_plane_reset(plane, &amdgpu_state->base);
1338 }
1339 
1340 static struct drm_plane_state *
dm_drm_plane_duplicate_state(struct drm_plane * plane)1341 dm_drm_plane_duplicate_state(struct drm_plane *plane)
1342 {
1343 	struct dm_plane_state *dm_plane_state, *old_dm_plane_state;
1344 
1345 	old_dm_plane_state = to_dm_plane_state(plane->state);
1346 	dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL);
1347 	if (!dm_plane_state)
1348 		return NULL;
1349 
1350 	__drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base);
1351 
1352 	if (old_dm_plane_state->dc_state) {
1353 		dm_plane_state->dc_state = old_dm_plane_state->dc_state;
1354 		dc_plane_state_retain(dm_plane_state->dc_state);
1355 	}
1356 
1357 	return &dm_plane_state->base;
1358 }
1359 
dm_plane_format_mod_supported(struct drm_plane * plane,uint32_t format,uint64_t modifier)1360 static bool dm_plane_format_mod_supported(struct drm_plane *plane,
1361 					  uint32_t format,
1362 					  uint64_t modifier)
1363 {
1364 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1365 	const struct drm_format_info *info = drm_format_info(format);
1366 	int i;
1367 
1368 	enum dm_micro_swizzle microtile = modifier_gfx9_swizzle_mode(modifier) & 3;
1369 
1370 	if (!info)
1371 		return false;
1372 
1373 	/*
1374 	 * We always have to allow these modifiers:
1375 	 * 1. Core DRM checks for LINEAR support if userspace does not provide modifiers.
1376 	 * 2. Not passing any modifiers is the same as explicitly passing INVALID.
1377 	 */
1378 	if (modifier == DRM_FORMAT_MOD_LINEAR ||
1379 	    modifier == DRM_FORMAT_MOD_INVALID) {
1380 		return true;
1381 	}
1382 
1383 	/* Check that the modifier is on the list of the plane's supported modifiers. */
1384 	for (i = 0; i < plane->modifier_count; i++) {
1385 		if (modifier == plane->modifiers[i])
1386 			break;
1387 	}
1388 	if (i == plane->modifier_count)
1389 		return false;
1390 
1391 	/*
1392 	 * For D swizzle the canonical modifier depends on the bpp, so check
1393 	 * it here.
1394 	 */
1395 	if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) == AMD_FMT_MOD_TILE_VER_GFX9 &&
1396 	    adev->family >= AMDGPU_FAMILY_NV) {
1397 		if (microtile == MICRO_SWIZZLE_D && info->cpp[0] == 4)
1398 			return false;
1399 	}
1400 
1401 	if (adev->family >= AMDGPU_FAMILY_RV && microtile == MICRO_SWIZZLE_D &&
1402 	    info->cpp[0] < 8)
1403 		return false;
1404 
1405 	if (modifier_has_dcc(modifier)) {
1406 		/* Per radeonsi comments 16/64 bpp are more complicated. */
1407 		if (info->cpp[0] != 4)
1408 			return false;
1409 		/* We support multi-planar formats, but not when combined with
1410 		 * additional DCC metadata planes.
1411 		 */
1412 		if (info->num_planes > 1)
1413 			return false;
1414 	}
1415 
1416 	return true;
1417 }
1418 
dm_drm_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)1419 static void dm_drm_plane_destroy_state(struct drm_plane *plane,
1420 				struct drm_plane_state *state)
1421 {
1422 	struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
1423 
1424 	if (dm_plane_state->dc_state)
1425 		dc_plane_state_release(dm_plane_state->dc_state);
1426 
1427 	drm_atomic_helper_plane_destroy_state(plane, state);
1428 }
1429 
1430 static const struct drm_plane_funcs dm_plane_funcs = {
1431 	.update_plane	= drm_atomic_helper_update_plane,
1432 	.disable_plane	= drm_atomic_helper_disable_plane,
1433 	.destroy	= drm_plane_helper_destroy,
1434 	.reset = dm_drm_plane_reset,
1435 	.atomic_duplicate_state = dm_drm_plane_duplicate_state,
1436 	.atomic_destroy_state = dm_drm_plane_destroy_state,
1437 	.format_mod_supported = dm_plane_format_mod_supported,
1438 };
1439 
amdgpu_dm_plane_init(struct amdgpu_display_manager * dm,struct drm_plane * plane,unsigned long possible_crtcs,const struct dc_plane_cap * plane_cap)1440 int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
1441 				struct drm_plane *plane,
1442 				unsigned long possible_crtcs,
1443 				const struct dc_plane_cap *plane_cap)
1444 {
1445 	uint32_t formats[32];
1446 	int num_formats;
1447 	int res = -EPERM;
1448 	unsigned int supported_rotations;
1449 	uint64_t *modifiers = NULL;
1450 
1451 	num_formats = get_plane_formats(plane, plane_cap, formats,
1452 					ARRAY_SIZE(formats));
1453 
1454 	res = get_plane_modifiers(dm->adev, plane->type, &modifiers);
1455 	if (res)
1456 		return res;
1457 
1458 	if (modifiers == NULL)
1459 		adev_to_drm(dm->adev)->mode_config.fb_modifiers_not_supported = true;
1460 
1461 	res = drm_universal_plane_init(adev_to_drm(dm->adev), plane, possible_crtcs,
1462 				       &dm_plane_funcs, formats, num_formats,
1463 				       modifiers, plane->type, NULL);
1464 	kfree(modifiers);
1465 	if (res)
1466 		return res;
1467 
1468 	if (plane->type == DRM_PLANE_TYPE_OVERLAY &&
1469 	    plane_cap && plane_cap->per_pixel_alpha) {
1470 		unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1471 					  BIT(DRM_MODE_BLEND_PREMULTI) |
1472 					  BIT(DRM_MODE_BLEND_COVERAGE);
1473 
1474 		drm_plane_create_alpha_property(plane);
1475 		drm_plane_create_blend_mode_property(plane, blend_caps);
1476 	}
1477 
1478 	if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
1479 		drm_plane_create_zpos_immutable_property(plane, 0);
1480 	} else if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
1481 		unsigned int zpos = 1 + drm_plane_index(plane);
1482 		drm_plane_create_zpos_property(plane, zpos, 1, 254);
1483 	} else if (plane->type == DRM_PLANE_TYPE_CURSOR) {
1484 		drm_plane_create_zpos_immutable_property(plane, 255);
1485 	}
1486 
1487 	if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
1488 	    plane_cap &&
1489 	    (plane_cap->pixel_format_support.nv12 ||
1490 	     plane_cap->pixel_format_support.p010)) {
1491 		/* This only affects YUV formats. */
1492 		drm_plane_create_color_properties(
1493 			plane,
1494 			BIT(DRM_COLOR_YCBCR_BT601) |
1495 			BIT(DRM_COLOR_YCBCR_BT709) |
1496 			BIT(DRM_COLOR_YCBCR_BT2020),
1497 			BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
1498 			BIT(DRM_COLOR_YCBCR_FULL_RANGE),
1499 			DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE);
1500 	}
1501 
1502 	supported_rotations =
1503 		DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
1504 		DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
1505 
1506 	if (dm->adev->asic_type >= CHIP_BONAIRE &&
1507 	    plane->type != DRM_PLANE_TYPE_CURSOR)
1508 		drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
1509 						   supported_rotations);
1510 
1511 	if (dm->adev->ip_versions[DCE_HWIP][0] > IP_VERSION(3, 0, 1) &&
1512 	    plane->type != DRM_PLANE_TYPE_CURSOR)
1513 		drm_plane_enable_fb_damage_clips(plane);
1514 
1515 	drm_plane_helper_add(plane, &dm_plane_helper_funcs);
1516 
1517 	/* Create (reset) the plane state */
1518 	if (plane->funcs->reset)
1519 		plane->funcs->reset(plane);
1520 
1521 	return 0;
1522 }
1523 
is_video_format(uint32_t format)1524 bool is_video_format(uint32_t format)
1525 {
1526 	int i;
1527 
1528 	for (i = 0; i < ARRAY_SIZE(video_formats); i++)
1529 		if (format == video_formats[i])
1530 			return true;
1531 
1532 	return false;
1533 }
1534 
1535