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_gem_framebuffer_helper.h>
32 #include <drm/drm_fourcc.h>
33 
34 #include "amdgpu.h"
35 #include "dal_asic_id.h"
36 #include "amdgpu_display.h"
37 #include "amdgpu_dm_trace.h"
38 #include "amdgpu_dm_plane.h"
39 #include "gc/gc_11_0_0_offset.h"
40 #include "gc/gc_11_0_0_sh_mask.h"
41 
42 /*
43  * TODO: these are currently initialized to rgb formats only.
44  * For future use cases we should either initialize them dynamically based on
45  * plane capabilities, or initialize this array to all formats, so internal drm
46  * check will succeed, and let DC implement proper check
47  */
48 static const uint32_t rgb_formats[] = {
49 	DRM_FORMAT_XRGB8888,
50 	DRM_FORMAT_ARGB8888,
51 	DRM_FORMAT_RGBA8888,
52 	DRM_FORMAT_XRGB2101010,
53 	DRM_FORMAT_XBGR2101010,
54 	DRM_FORMAT_ARGB2101010,
55 	DRM_FORMAT_ABGR2101010,
56 	DRM_FORMAT_XRGB16161616,
57 	DRM_FORMAT_XBGR16161616,
58 	DRM_FORMAT_ARGB16161616,
59 	DRM_FORMAT_ABGR16161616,
60 	DRM_FORMAT_XBGR8888,
61 	DRM_FORMAT_ABGR8888,
62 	DRM_FORMAT_RGB565,
63 };
64 
65 static const uint32_t overlay_formats[] = {
66 	DRM_FORMAT_XRGB8888,
67 	DRM_FORMAT_ARGB8888,
68 	DRM_FORMAT_RGBA8888,
69 	DRM_FORMAT_XBGR8888,
70 	DRM_FORMAT_ABGR8888,
71 	DRM_FORMAT_RGB565,
72 	DRM_FORMAT_NV21,
73 	DRM_FORMAT_NV12,
74 	DRM_FORMAT_P010
75 };
76 
77 static const uint32_t video_formats[] = {
78 	DRM_FORMAT_NV21,
79 	DRM_FORMAT_NV12,
80 	DRM_FORMAT_P010
81 };
82 
83 static const u32 cursor_formats[] = {
84 	DRM_FORMAT_ARGB8888
85 };
86 
87 enum dm_micro_swizzle {
88 	MICRO_SWIZZLE_Z = 0,
89 	MICRO_SWIZZLE_S = 1,
90 	MICRO_SWIZZLE_D = 2,
91 	MICRO_SWIZZLE_R = 3
92 };
93 
amdgpu_dm_plane_get_format_info(const struct drm_mode_fb_cmd2 * cmd)94 const struct drm_format_info *amdgpu_dm_plane_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
95 {
96 	return amdgpu_lookup_format_info(cmd->pixel_format, cmd->modifier[0]);
97 }
98 
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)99 void amdgpu_dm_plane_fill_blending_from_plane_state(const struct drm_plane_state *plane_state,
100 			       bool *per_pixel_alpha, bool *pre_multiplied_alpha,
101 			       bool *global_alpha, int *global_alpha_value)
102 {
103 	*per_pixel_alpha = false;
104 	*pre_multiplied_alpha = true;
105 	*global_alpha = false;
106 	*global_alpha_value = 0xff;
107 
108 	if (plane_state->plane->type != DRM_PLANE_TYPE_OVERLAY)
109 		return;
110 
111 	if (plane_state->pixel_blend_mode == DRM_MODE_BLEND_PREMULTI ||
112 		plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE) {
113 		static const uint32_t alpha_formats[] = {
114 			DRM_FORMAT_ARGB8888,
115 			DRM_FORMAT_RGBA8888,
116 			DRM_FORMAT_ABGR8888,
117 			DRM_FORMAT_ARGB2101010,
118 			DRM_FORMAT_ABGR2101010,
119 			DRM_FORMAT_ARGB16161616,
120 			DRM_FORMAT_ABGR16161616,
121 			DRM_FORMAT_ARGB16161616F,
122 		};
123 		uint32_t format = plane_state->fb->format->format;
124 		unsigned int i;
125 
126 		for (i = 0; i < ARRAY_SIZE(alpha_formats); ++i) {
127 			if (format == alpha_formats[i]) {
128 				*per_pixel_alpha = true;
129 				break;
130 			}
131 		}
132 
133 		if (*per_pixel_alpha && plane_state->pixel_blend_mode == DRM_MODE_BLEND_COVERAGE)
134 			*pre_multiplied_alpha = false;
135 	}
136 
137 	if (plane_state->alpha < 0xffff) {
138 		*global_alpha = true;
139 		*global_alpha_value = plane_state->alpha >> 8;
140 	}
141 }
142 
add_modifier(uint64_t ** mods,uint64_t * size,uint64_t * cap,uint64_t mod)143 static void add_modifier(uint64_t **mods, uint64_t *size, uint64_t *cap, uint64_t mod)
144 {
145 	if (!*mods)
146 		return;
147 
148 	if (*cap - *size < 1) {
149 		uint64_t new_cap = *cap * 2;
150 		uint64_t *new_mods = kmalloc(new_cap * sizeof(uint64_t), GFP_KERNEL);
151 
152 		if (!new_mods) {
153 			kfree(*mods);
154 			*mods = NULL;
155 			return;
156 		}
157 
158 		memcpy(new_mods, *mods, sizeof(uint64_t) * *size);
159 		kfree(*mods);
160 		*mods = new_mods;
161 		*cap = new_cap;
162 	}
163 
164 	(*mods)[*size] = mod;
165 	*size += 1;
166 }
167 
modifier_has_dcc(uint64_t modifier)168 static bool modifier_has_dcc(uint64_t modifier)
169 {
170 	return IS_AMD_FMT_MOD(modifier) && AMD_FMT_MOD_GET(DCC, modifier);
171 }
172 
modifier_gfx9_swizzle_mode(uint64_t modifier)173 static unsigned int modifier_gfx9_swizzle_mode(uint64_t modifier)
174 {
175 	if (modifier == DRM_FORMAT_MOD_LINEAR)
176 		return 0;
177 
178 	return AMD_FMT_MOD_GET(TILE, modifier);
179 }
180 
fill_gfx8_tiling_info_from_flags(union dc_tiling_info * tiling_info,uint64_t tiling_flags)181 static void fill_gfx8_tiling_info_from_flags(union dc_tiling_info *tiling_info,
182 				 uint64_t tiling_flags)
183 {
184 	/* Fill GFX8 params */
185 	if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) {
186 		unsigned int bankw, bankh, mtaspect, tile_split, num_banks;
187 
188 		bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
189 		bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
190 		mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
191 		tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
192 		num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
193 
194 		/* XXX fix me for VI */
195 		tiling_info->gfx8.num_banks = num_banks;
196 		tiling_info->gfx8.array_mode =
197 				DC_ARRAY_2D_TILED_THIN1;
198 		tiling_info->gfx8.tile_split = tile_split;
199 		tiling_info->gfx8.bank_width = bankw;
200 		tiling_info->gfx8.bank_height = bankh;
201 		tiling_info->gfx8.tile_aspect = mtaspect;
202 		tiling_info->gfx8.tile_mode =
203 				DC_ADDR_SURF_MICRO_TILING_DISPLAY;
204 	} else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE)
205 			== DC_ARRAY_1D_TILED_THIN1) {
206 		tiling_info->gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1;
207 	}
208 
209 	tiling_info->gfx8.pipe_config =
210 			AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
211 }
212 
fill_gfx9_tiling_info_from_device(const struct amdgpu_device * adev,union dc_tiling_info * tiling_info)213 static void fill_gfx9_tiling_info_from_device(const struct amdgpu_device *adev,
214 				  union dc_tiling_info *tiling_info)
215 {
216 	/* Fill GFX9 params */
217 	tiling_info->gfx9.num_pipes =
218 		adev->gfx.config.gb_addr_config_fields.num_pipes;
219 	tiling_info->gfx9.num_banks =
220 		adev->gfx.config.gb_addr_config_fields.num_banks;
221 	tiling_info->gfx9.pipe_interleave =
222 		adev->gfx.config.gb_addr_config_fields.pipe_interleave_size;
223 	tiling_info->gfx9.num_shader_engines =
224 		adev->gfx.config.gb_addr_config_fields.num_se;
225 	tiling_info->gfx9.max_compressed_frags =
226 		adev->gfx.config.gb_addr_config_fields.max_compress_frags;
227 	tiling_info->gfx9.num_rb_per_se =
228 		adev->gfx.config.gb_addr_config_fields.num_rb_per_se;
229 	tiling_info->gfx9.shaderEnable = 1;
230 	if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0))
231 		tiling_info->gfx9.num_pkrs = adev->gfx.config.gb_addr_config_fields.num_pkrs;
232 }
233 
fill_gfx9_tiling_info_from_modifier(const struct amdgpu_device * adev,union dc_tiling_info * tiling_info,uint64_t modifier)234 static void fill_gfx9_tiling_info_from_modifier(const struct amdgpu_device *adev,
235 				    union dc_tiling_info *tiling_info,
236 				    uint64_t modifier)
237 {
238 	unsigned int mod_bank_xor_bits = AMD_FMT_MOD_GET(BANK_XOR_BITS, modifier);
239 	unsigned int mod_pipe_xor_bits = AMD_FMT_MOD_GET(PIPE_XOR_BITS, modifier);
240 	unsigned int pkrs_log2 = AMD_FMT_MOD_GET(PACKERS, modifier);
241 	unsigned int pipes_log2;
242 
243 	pipes_log2 = min(5u, mod_pipe_xor_bits);
244 
245 	fill_gfx9_tiling_info_from_device(adev, tiling_info);
246 
247 	if (!IS_AMD_FMT_MOD(modifier))
248 		return;
249 
250 	tiling_info->gfx9.num_pipes = 1u << pipes_log2;
251 	tiling_info->gfx9.num_shader_engines = 1u << (mod_pipe_xor_bits - pipes_log2);
252 
253 	if (adev->family >= AMDGPU_FAMILY_NV) {
254 		tiling_info->gfx9.num_pkrs = 1u << pkrs_log2;
255 	} else {
256 		tiling_info->gfx9.num_banks = 1u << mod_bank_xor_bits;
257 
258 		/* for DCC we know it isn't rb aligned, so rb_per_se doesn't matter. */
259 	}
260 }
261 
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)262 static int validate_dcc(struct amdgpu_device *adev,
263 	     const enum surface_pixel_format format,
264 	     const enum dc_rotation_angle rotation,
265 	     const union dc_tiling_info *tiling_info,
266 	     const struct dc_plane_dcc_param *dcc,
267 	     const struct dc_plane_address *address,
268 	     const struct plane_size *plane_size)
269 {
270 	struct dc *dc = adev->dm.dc;
271 	struct dc_dcc_surface_param input;
272 	struct dc_surface_dcc_cap output;
273 
274 	memset(&input, 0, sizeof(input));
275 	memset(&output, 0, sizeof(output));
276 
277 	if (!dcc->enable)
278 		return 0;
279 
280 	if (format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN ||
281 	    !dc->cap_funcs.get_dcc_compression_cap)
282 		return -EINVAL;
283 
284 	input.format = format;
285 	input.surface_size.width = plane_size->surface_size.width;
286 	input.surface_size.height = plane_size->surface_size.height;
287 	input.swizzle_mode = tiling_info->gfx9.swizzle;
288 
289 	if (rotation == ROTATION_ANGLE_0 || rotation == ROTATION_ANGLE_180)
290 		input.scan = SCAN_DIRECTION_HORIZONTAL;
291 	else if (rotation == ROTATION_ANGLE_90 || rotation == ROTATION_ANGLE_270)
292 		input.scan = SCAN_DIRECTION_VERTICAL;
293 
294 	if (!dc->cap_funcs.get_dcc_compression_cap(dc, &input, &output))
295 		return -EINVAL;
296 
297 	if (!output.capable)
298 		return -EINVAL;
299 
300 	if (dcc->independent_64b_blks == 0 &&
301 	    output.grph.rgb.independent_64b_blks != 0)
302 		return -EINVAL;
303 
304 	return 0;
305 }
306 
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)307 static int fill_gfx9_plane_attributes_from_modifiers(struct amdgpu_device *adev,
308 					  const struct amdgpu_framebuffer *afb,
309 					  const enum surface_pixel_format format,
310 					  const enum dc_rotation_angle rotation,
311 					  const struct plane_size *plane_size,
312 					  union dc_tiling_info *tiling_info,
313 					  struct dc_plane_dcc_param *dcc,
314 					  struct dc_plane_address *address,
315 					  const bool force_disable_dcc)
316 {
317 	const uint64_t modifier = afb->base.modifier;
318 	int ret = 0;
319 
320 	fill_gfx9_tiling_info_from_modifier(adev, tiling_info, modifier);
321 	tiling_info->gfx9.swizzle = modifier_gfx9_swizzle_mode(modifier);
322 
323 	if (modifier_has_dcc(modifier) && !force_disable_dcc) {
324 		uint64_t dcc_address = afb->address + afb->base.offsets[1];
325 		bool independent_64b_blks = AMD_FMT_MOD_GET(DCC_INDEPENDENT_64B, modifier);
326 		bool independent_128b_blks = AMD_FMT_MOD_GET(DCC_INDEPENDENT_128B, modifier);
327 
328 		dcc->enable = 1;
329 		dcc->meta_pitch = afb->base.pitches[1];
330 		dcc->independent_64b_blks = independent_64b_blks;
331 		if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) >= AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) {
332 			if (independent_64b_blks && independent_128b_blks)
333 				dcc->dcc_ind_blk = hubp_ind_block_64b_no_128bcl;
334 			else if (independent_128b_blks)
335 				dcc->dcc_ind_blk = hubp_ind_block_128b;
336 			else if (independent_64b_blks && !independent_128b_blks)
337 				dcc->dcc_ind_blk = hubp_ind_block_64b;
338 			else
339 				dcc->dcc_ind_blk = hubp_ind_block_unconstrained;
340 		} else {
341 			if (independent_64b_blks)
342 				dcc->dcc_ind_blk = hubp_ind_block_64b;
343 			else
344 				dcc->dcc_ind_blk = hubp_ind_block_unconstrained;
345 		}
346 
347 		address->grph.meta_addr.low_part = lower_32_bits(dcc_address);
348 		address->grph.meta_addr.high_part = upper_32_bits(dcc_address);
349 	}
350 
351 	ret = validate_dcc(adev, format, rotation, tiling_info, dcc, address, plane_size);
352 	if (ret)
353 		drm_dbg_kms(adev_to_drm(adev), "validate_dcc: returned error: %d\n", ret);
354 
355 	return ret;
356 }
357 
add_gfx10_1_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)358 static void add_gfx10_1_modifiers(const struct amdgpu_device *adev,
359 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
360 {
361 	int pipe_xor_bits = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
362 
363 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
364 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
365 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
366 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
367 		    AMD_FMT_MOD_SET(DCC, 1) |
368 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
369 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
370 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
371 
372 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
373 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
374 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
375 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
376 		    AMD_FMT_MOD_SET(DCC, 1) |
377 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
378 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
379 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
380 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
381 
382 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
383 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
384 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
385 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits));
386 
387 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
388 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
389 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10) |
390 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits));
391 
392 
393 	/* Only supported for 64bpp, will be filtered in dm_plane_format_mod_supported */
394 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
395 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
396 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
397 
398 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
399 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
400 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
401 }
402 
add_gfx9_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)403 static void add_gfx9_modifiers(const struct amdgpu_device *adev,
404 		   uint64_t **mods, uint64_t *size, uint64_t *capacity)
405 {
406 	int pipes = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
407 	int pipe_xor_bits = min(8, pipes +
408 				ilog2(adev->gfx.config.gb_addr_config_fields.num_se));
409 	int bank_xor_bits = min(8 - pipe_xor_bits,
410 				ilog2(adev->gfx.config.gb_addr_config_fields.num_banks));
411 	int rb = ilog2(adev->gfx.config.gb_addr_config_fields.num_se) +
412 		 ilog2(adev->gfx.config.gb_addr_config_fields.num_rb_per_se);
413 
414 
415 	if (adev->family == AMDGPU_FAMILY_RV) {
416 		/* Raven2 and later */
417 		bool has_constant_encode = adev->asic_type > CHIP_RAVEN || adev->external_rev_id >= 0x81;
418 
419 		/*
420 		 * No _D DCC swizzles yet because we only allow 32bpp, which
421 		 * doesn't support _D on DCN
422 		 */
423 
424 		if (has_constant_encode) {
425 			add_modifier(mods, size, capacity, AMD_FMT_MOD |
426 				    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
427 				    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
428 				    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
429 				    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
430 				    AMD_FMT_MOD_SET(DCC, 1) |
431 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
432 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
433 				    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1));
434 		}
435 
436 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
437 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
438 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
439 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
440 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
441 			    AMD_FMT_MOD_SET(DCC, 1) |
442 			    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
443 			    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
444 			    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 0));
445 
446 		if (has_constant_encode) {
447 			add_modifier(mods, size, capacity, AMD_FMT_MOD |
448 				    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
449 				    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
450 				    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
451 				    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
452 				    AMD_FMT_MOD_SET(DCC, 1) |
453 				    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
454 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
455 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
456 
457 				    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
458 				    AMD_FMT_MOD_SET(RB, rb) |
459 				    AMD_FMT_MOD_SET(PIPE, pipes));
460 		}
461 
462 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
463 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
464 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
465 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
466 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits) |
467 			    AMD_FMT_MOD_SET(DCC, 1) |
468 			    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
469 			    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
470 			    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B) |
471 			    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 0) |
472 			    AMD_FMT_MOD_SET(RB, rb) |
473 			    AMD_FMT_MOD_SET(PIPE, pipes));
474 	}
475 
476 	/*
477 	 * Only supported for 64bpp on Raven, will be filtered on format in
478 	 * dm_plane_format_mod_supported.
479 	 */
480 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
481 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D_X) |
482 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
483 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
484 		    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits));
485 
486 	if (adev->family == AMDGPU_FAMILY_RV) {
487 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
488 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
489 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9) |
490 			    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
491 			    AMD_FMT_MOD_SET(BANK_XOR_BITS, bank_xor_bits));
492 	}
493 
494 	/*
495 	 * Only supported for 64bpp on Raven, will be filtered on format in
496 	 * dm_plane_format_mod_supported.
497 	 */
498 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
499 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
500 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
501 
502 	if (adev->family == AMDGPU_FAMILY_RV) {
503 		add_modifier(mods, size, capacity, AMD_FMT_MOD |
504 			    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
505 			    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
506 	}
507 }
508 
add_gfx10_3_modifiers(const struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)509 static void add_gfx10_3_modifiers(const struct amdgpu_device *adev,
510 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
511 {
512 	int pipe_xor_bits = ilog2(adev->gfx.config.gb_addr_config_fields.num_pipes);
513 	int pkrs = ilog2(adev->gfx.config.gb_addr_config_fields.num_pkrs);
514 
515 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
516 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
517 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
518 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
519 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
520 		    AMD_FMT_MOD_SET(DCC, 1) |
521 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
522 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
523 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
524 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
525 
526 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
527 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
528 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
529 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
530 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
531 		    AMD_FMT_MOD_SET(DCC, 1) |
532 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
533 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
534 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
535 
536 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
537 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
538 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
539 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
540 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
541 		    AMD_FMT_MOD_SET(DCC, 1) |
542 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
543 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
544 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
545 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
546 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B));
547 
548 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
549 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
550 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
551 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
552 		    AMD_FMT_MOD_SET(PACKERS, pkrs) |
553 		    AMD_FMT_MOD_SET(DCC, 1) |
554 		    AMD_FMT_MOD_SET(DCC_RETILE, 1) |
555 		    AMD_FMT_MOD_SET(DCC_CONSTANT_ENCODE, 1) |
556 		    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
557 		    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B));
558 
559 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
560 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_R_X) |
561 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
562 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
563 		    AMD_FMT_MOD_SET(PACKERS, pkrs));
564 
565 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
566 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S_X) |
567 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX10_RBPLUS) |
568 		    AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
569 		    AMD_FMT_MOD_SET(PACKERS, pkrs));
570 
571 	/* Only supported for 64bpp, will be filtered in dm_plane_format_mod_supported */
572 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
573 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D) |
574 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
575 
576 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
577 		    AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_S) |
578 		    AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX9));
579 }
580 
add_gfx11_modifiers(struct amdgpu_device * adev,uint64_t ** mods,uint64_t * size,uint64_t * capacity)581 static void add_gfx11_modifiers(struct amdgpu_device *adev,
582 		      uint64_t **mods, uint64_t *size, uint64_t *capacity)
583 {
584 	int num_pipes = 0;
585 	int pipe_xor_bits = 0;
586 	int num_pkrs = 0;
587 	int pkrs = 0;
588 	u32 gb_addr_config;
589 	u8 i = 0;
590 	unsigned int swizzle_r_x;
591 	uint64_t modifier_r_x;
592 	uint64_t modifier_dcc_best;
593 	uint64_t modifier_dcc_4k;
594 
595 	/* TODO: GFX11 IP HW init hasnt finish and we get zero if we read from
596 	 * adev->gfx.config.gb_addr_config_fields.num_{pkrs,pipes}
597 	 */
598 	gb_addr_config = RREG32_SOC15(GC, 0, regGB_ADDR_CONFIG);
599 	ASSERT(gb_addr_config != 0);
600 
601 	num_pkrs = 1 << REG_GET_FIELD(gb_addr_config, GB_ADDR_CONFIG, NUM_PKRS);
602 	pkrs = ilog2(num_pkrs);
603 	num_pipes = 1 << REG_GET_FIELD(gb_addr_config, GB_ADDR_CONFIG, NUM_PIPES);
604 	pipe_xor_bits = ilog2(num_pipes);
605 
606 	for (i = 0; i < 2; i++) {
607 		/* Insert the best one first. */
608 		/* R_X swizzle modes are the best for rendering and DCC requires them. */
609 		if (num_pipes > 16)
610 			swizzle_r_x = !i ? AMD_FMT_MOD_TILE_GFX11_256K_R_X : AMD_FMT_MOD_TILE_GFX9_64K_R_X;
611 		else
612 			swizzle_r_x = !i ? AMD_FMT_MOD_TILE_GFX9_64K_R_X : AMD_FMT_MOD_TILE_GFX11_256K_R_X;
613 
614 		modifier_r_x = AMD_FMT_MOD |
615 			       AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX11) |
616 			       AMD_FMT_MOD_SET(PIPE_XOR_BITS, pipe_xor_bits) |
617 			       AMD_FMT_MOD_SET(TILE, swizzle_r_x) |
618 			       AMD_FMT_MOD_SET(PACKERS, pkrs);
619 
620 		/* DCC_CONSTANT_ENCODE is not set because it can't vary with gfx11 (it's implied to be 1). */
621 		modifier_dcc_best = modifier_r_x | AMD_FMT_MOD_SET(DCC, 1) |
622 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 0) |
623 				    AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
624 				    AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_128B);
625 
626 		/* DCC settings for 4K and greater resolutions. (required by display hw) */
627 		modifier_dcc_4k = modifier_r_x | AMD_FMT_MOD_SET(DCC, 1) |
628 				  AMD_FMT_MOD_SET(DCC_INDEPENDENT_64B, 1) |
629 				  AMD_FMT_MOD_SET(DCC_INDEPENDENT_128B, 1) |
630 				  AMD_FMT_MOD_SET(DCC_MAX_COMPRESSED_BLOCK, AMD_FMT_MOD_DCC_BLOCK_64B);
631 
632 		add_modifier(mods, size, capacity, modifier_dcc_best);
633 		add_modifier(mods, size, capacity, modifier_dcc_4k);
634 
635 		add_modifier(mods, size, capacity, modifier_dcc_best | AMD_FMT_MOD_SET(DCC_RETILE, 1));
636 		add_modifier(mods, size, capacity, modifier_dcc_4k | AMD_FMT_MOD_SET(DCC_RETILE, 1));
637 
638 		add_modifier(mods, size, capacity, modifier_r_x);
639 	}
640 
641 	add_modifier(mods, size, capacity, AMD_FMT_MOD |
642 			AMD_FMT_MOD_SET(TILE_VERSION, AMD_FMT_MOD_TILE_VER_GFX11) |
643 			AMD_FMT_MOD_SET(TILE, AMD_FMT_MOD_TILE_GFX9_64K_D));
644 }
645 
get_plane_modifiers(struct amdgpu_device * adev,unsigned int plane_type,uint64_t ** mods)646 static int get_plane_modifiers(struct amdgpu_device *adev, unsigned int plane_type, uint64_t **mods)
647 {
648 	uint64_t size = 0, capacity = 128;
649 	*mods = NULL;
650 
651 	/* We have not hooked up any pre-GFX9 modifiers. */
652 	if (adev->family < AMDGPU_FAMILY_AI)
653 		return 0;
654 
655 	*mods = kmalloc(capacity * sizeof(uint64_t), GFP_KERNEL);
656 
657 	if (plane_type == DRM_PLANE_TYPE_CURSOR) {
658 		add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_LINEAR);
659 		add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
660 		return *mods ? 0 : -ENOMEM;
661 	}
662 
663 	switch (adev->family) {
664 	case AMDGPU_FAMILY_AI:
665 	case AMDGPU_FAMILY_RV:
666 		add_gfx9_modifiers(adev, mods, &size, &capacity);
667 		break;
668 	case AMDGPU_FAMILY_NV:
669 	case AMDGPU_FAMILY_VGH:
670 	case AMDGPU_FAMILY_YC:
671 	case AMDGPU_FAMILY_GC_10_3_6:
672 	case AMDGPU_FAMILY_GC_10_3_7:
673 		if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0))
674 			add_gfx10_3_modifiers(adev, mods, &size, &capacity);
675 		else
676 			add_gfx10_1_modifiers(adev, mods, &size, &capacity);
677 		break;
678 	case AMDGPU_FAMILY_GC_11_0_0:
679 	case AMDGPU_FAMILY_GC_11_0_1:
680 		add_gfx11_modifiers(adev, mods, &size, &capacity);
681 		break;
682 	}
683 
684 	add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_LINEAR);
685 
686 	/* INVALID marks the end of the list. */
687 	add_modifier(mods, &size, &capacity, DRM_FORMAT_MOD_INVALID);
688 
689 	if (!*mods)
690 		return -ENOMEM;
691 
692 	return 0;
693 }
694 
get_plane_formats(const struct drm_plane * plane,const struct dc_plane_cap * plane_cap,uint32_t * formats,int max_formats)695 static int get_plane_formats(const struct drm_plane *plane,
696 			     const struct dc_plane_cap *plane_cap,
697 			     uint32_t *formats, int max_formats)
698 {
699 	int i, num_formats = 0;
700 
701 	/*
702 	 * TODO: Query support for each group of formats directly from
703 	 * DC plane caps. This will require adding more formats to the
704 	 * caps list.
705 	 */
706 
707 	if (plane->type == DRM_PLANE_TYPE_PRIMARY ||
708 		(plane_cap && plane_cap->type == DC_PLANE_TYPE_DCN_UNIVERSAL && plane->type != DRM_PLANE_TYPE_CURSOR)) {
709 		for (i = 0; i < ARRAY_SIZE(rgb_formats); ++i) {
710 			if (num_formats >= max_formats)
711 				break;
712 
713 			formats[num_formats++] = rgb_formats[i];
714 		}
715 
716 		if (plane_cap && plane_cap->pixel_format_support.nv12)
717 			formats[num_formats++] = DRM_FORMAT_NV12;
718 		if (plane_cap && plane_cap->pixel_format_support.p010)
719 			formats[num_formats++] = DRM_FORMAT_P010;
720 		if (plane_cap && plane_cap->pixel_format_support.fp16) {
721 			formats[num_formats++] = DRM_FORMAT_XRGB16161616F;
722 			formats[num_formats++] = DRM_FORMAT_ARGB16161616F;
723 			formats[num_formats++] = DRM_FORMAT_XBGR16161616F;
724 			formats[num_formats++] = DRM_FORMAT_ABGR16161616F;
725 		}
726 	} else {
727 		switch (plane->type) {
728 		case DRM_PLANE_TYPE_OVERLAY:
729 			for (i = 0; i < ARRAY_SIZE(overlay_formats); ++i) {
730 				if (num_formats >= max_formats)
731 					break;
732 
733 				formats[num_formats++] = overlay_formats[i];
734 			}
735 			break;
736 
737 		case DRM_PLANE_TYPE_CURSOR:
738 			for (i = 0; i < ARRAY_SIZE(cursor_formats); ++i) {
739 				if (num_formats >= max_formats)
740 					break;
741 
742 				formats[num_formats++] = cursor_formats[i];
743 			}
744 			break;
745 
746 		default:
747 			break;
748 		}
749 	}
750 
751 	return num_formats;
752 }
753 
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)754 int amdgpu_dm_plane_fill_plane_buffer_attributes(struct amdgpu_device *adev,
755 			     const struct amdgpu_framebuffer *afb,
756 			     const enum surface_pixel_format format,
757 			     const enum dc_rotation_angle rotation,
758 			     const uint64_t tiling_flags,
759 			     union dc_tiling_info *tiling_info,
760 			     struct plane_size *plane_size,
761 			     struct dc_plane_dcc_param *dcc,
762 			     struct dc_plane_address *address,
763 			     bool tmz_surface,
764 			     bool force_disable_dcc)
765 {
766 	const struct drm_framebuffer *fb = &afb->base;
767 	int ret;
768 
769 	memset(tiling_info, 0, sizeof(*tiling_info));
770 	memset(plane_size, 0, sizeof(*plane_size));
771 	memset(dcc, 0, sizeof(*dcc));
772 	memset(address, 0, sizeof(*address));
773 
774 	address->tmz_surface = tmz_surface;
775 
776 	if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
777 		uint64_t addr = afb->address + fb->offsets[0];
778 
779 		plane_size->surface_size.x = 0;
780 		plane_size->surface_size.y = 0;
781 		plane_size->surface_size.width = fb->width;
782 		plane_size->surface_size.height = fb->height;
783 		plane_size->surface_pitch =
784 			fb->pitches[0] / fb->format->cpp[0];
785 
786 		address->type = PLN_ADDR_TYPE_GRAPHICS;
787 		address->grph.addr.low_part = lower_32_bits(addr);
788 		address->grph.addr.high_part = upper_32_bits(addr);
789 	} else if (format < SURFACE_PIXEL_FORMAT_INVALID) {
790 		uint64_t luma_addr = afb->address + fb->offsets[0];
791 		uint64_t chroma_addr = afb->address + fb->offsets[1];
792 
793 		plane_size->surface_size.x = 0;
794 		plane_size->surface_size.y = 0;
795 		plane_size->surface_size.width = fb->width;
796 		plane_size->surface_size.height = fb->height;
797 		plane_size->surface_pitch =
798 			fb->pitches[0] / fb->format->cpp[0];
799 
800 		plane_size->chroma_size.x = 0;
801 		plane_size->chroma_size.y = 0;
802 		/* TODO: set these based on surface format */
803 		plane_size->chroma_size.width = fb->width / 2;
804 		plane_size->chroma_size.height = fb->height / 2;
805 
806 		plane_size->chroma_pitch =
807 			fb->pitches[1] / fb->format->cpp[1];
808 
809 		address->type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
810 		address->video_progressive.luma_addr.low_part =
811 			lower_32_bits(luma_addr);
812 		address->video_progressive.luma_addr.high_part =
813 			upper_32_bits(luma_addr);
814 		address->video_progressive.chroma_addr.low_part =
815 			lower_32_bits(chroma_addr);
816 		address->video_progressive.chroma_addr.high_part =
817 			upper_32_bits(chroma_addr);
818 	}
819 
820 	if (adev->family >= AMDGPU_FAMILY_AI) {
821 		ret = fill_gfx9_plane_attributes_from_modifiers(adev, afb, format,
822 								rotation, plane_size,
823 								tiling_info, dcc,
824 								address,
825 								force_disable_dcc);
826 		if (ret)
827 			return ret;
828 	} else {
829 		fill_gfx8_tiling_info_from_flags(tiling_info, tiling_flags);
830 	}
831 
832 	return 0;
833 }
834 
dm_plane_helper_prepare_fb(struct drm_plane * plane,struct drm_plane_state * new_state)835 static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
836 				      struct drm_plane_state *new_state)
837 {
838 	struct amdgpu_framebuffer *afb;
839 	struct drm_gem_object *obj;
840 	struct amdgpu_device *adev;
841 	struct amdgpu_bo *rbo;
842 	struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
843 	uint32_t domain;
844 	int r;
845 
846 	if (!new_state->fb) {
847 		DRM_DEBUG_KMS("No FB bound\n");
848 		return 0;
849 	}
850 
851 	afb = to_amdgpu_framebuffer(new_state->fb);
852 	obj = drm_gem_fb_get_obj(new_state->fb, 0);
853 	if (!obj) {
854 		DRM_ERROR("Failed to get obj from framebuffer\n");
855 		return -EINVAL;
856 	}
857 
858 	rbo = gem_to_amdgpu_bo(obj);
859 	adev = amdgpu_ttm_adev(rbo->tbo.bdev);
860 	r = amdgpu_bo_reserve(rbo, true);
861 	if (r) {
862 		dev_err(adev->dev, "fail to reserve bo (%d)\n", r);
863 		return r;
864 	}
865 
866 	r = dma_resv_reserve_fences(rbo->tbo.base.resv, 1);
867 	if (r) {
868 		dev_err(adev->dev, "reserving fence slot failed (%d)\n", r);
869 		goto error_unlock;
870 	}
871 
872 	if (plane->type != DRM_PLANE_TYPE_CURSOR)
873 		domain = amdgpu_display_supported_domains(adev, rbo->flags);
874 	else
875 		domain = AMDGPU_GEM_DOMAIN_VRAM;
876 
877 	r = amdgpu_bo_pin(rbo, domain);
878 	if (unlikely(r != 0)) {
879 		if (r != -ERESTARTSYS)
880 			DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
881 		goto error_unlock;
882 	}
883 
884 	r = amdgpu_ttm_alloc_gart(&rbo->tbo);
885 	if (unlikely(r != 0)) {
886 		DRM_ERROR("%p bind failed\n", rbo);
887 		goto error_unpin;
888 	}
889 
890 	r = drm_gem_plane_helper_prepare_fb(plane, new_state);
891 	if (unlikely(r != 0))
892 		goto error_unpin;
893 
894 	amdgpu_bo_unreserve(rbo);
895 
896 	afb->address = amdgpu_bo_gpu_offset(rbo);
897 
898 	amdgpu_bo_ref(rbo);
899 
900 	/**
901 	 * We don't do surface updates on planes that have been newly created,
902 	 * but we also don't have the afb->address during atomic check.
903 	 *
904 	 * Fill in buffer attributes depending on the address here, but only on
905 	 * newly created planes since they're not being used by DC yet and this
906 	 * won't modify global state.
907 	 */
908 	dm_plane_state_old = to_dm_plane_state(plane->state);
909 	dm_plane_state_new = to_dm_plane_state(new_state);
910 
911 	if (dm_plane_state_new->dc_state &&
912 	    dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
913 		struct dc_plane_state *plane_state =
914 			dm_plane_state_new->dc_state;
915 		bool force_disable_dcc = !plane_state->dcc.enable;
916 
917 		amdgpu_dm_plane_fill_plane_buffer_attributes(
918 			adev, afb, plane_state->format, plane_state->rotation,
919 			afb->tiling_flags,
920 			&plane_state->tiling_info, &plane_state->plane_size,
921 			&plane_state->dcc, &plane_state->address,
922 			afb->tmz_surface, force_disable_dcc);
923 	}
924 
925 	return 0;
926 
927 error_unpin:
928 	amdgpu_bo_unpin(rbo);
929 
930 error_unlock:
931 	amdgpu_bo_unreserve(rbo);
932 	return r;
933 }
934 
dm_plane_helper_cleanup_fb(struct drm_plane * plane,struct drm_plane_state * old_state)935 static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
936 				       struct drm_plane_state *old_state)
937 {
938 	struct amdgpu_bo *rbo;
939 	int r;
940 
941 	if (!old_state->fb)
942 		return;
943 
944 	rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]);
945 	r = amdgpu_bo_reserve(rbo, false);
946 	if (unlikely(r)) {
947 		DRM_ERROR("failed to reserve rbo before unpin\n");
948 		return;
949 	}
950 
951 	amdgpu_bo_unpin(rbo);
952 	amdgpu_bo_unreserve(rbo);
953 	amdgpu_bo_unref(&rbo);
954 }
955 
get_min_max_dc_plane_scaling(struct drm_device * dev,struct drm_framebuffer * fb,int * min_downscale,int * max_upscale)956 static void get_min_max_dc_plane_scaling(struct drm_device *dev,
957 					 struct drm_framebuffer *fb,
958 					 int *min_downscale, int *max_upscale)
959 {
960 	struct amdgpu_device *adev = drm_to_adev(dev);
961 	struct dc *dc = adev->dm.dc;
962 	/* Caps for all supported planes are the same on DCE and DCN 1 - 3 */
963 	struct dc_plane_cap *plane_cap = &dc->caps.planes[0];
964 
965 	switch (fb->format->format) {
966 	case DRM_FORMAT_P010:
967 	case DRM_FORMAT_NV12:
968 	case DRM_FORMAT_NV21:
969 		*max_upscale = plane_cap->max_upscale_factor.nv12;
970 		*min_downscale = plane_cap->max_downscale_factor.nv12;
971 		break;
972 
973 	case DRM_FORMAT_XRGB16161616F:
974 	case DRM_FORMAT_ARGB16161616F:
975 	case DRM_FORMAT_XBGR16161616F:
976 	case DRM_FORMAT_ABGR16161616F:
977 		*max_upscale = plane_cap->max_upscale_factor.fp16;
978 		*min_downscale = plane_cap->max_downscale_factor.fp16;
979 		break;
980 
981 	default:
982 		*max_upscale = plane_cap->max_upscale_factor.argb8888;
983 		*min_downscale = plane_cap->max_downscale_factor.argb8888;
984 		break;
985 	}
986 
987 	/*
988 	 * A factor of 1 in the plane_cap means to not allow scaling, ie. use a
989 	 * scaling factor of 1.0 == 1000 units.
990 	 */
991 	if (*max_upscale == 1)
992 		*max_upscale = 1000;
993 
994 	if (*min_downscale == 1)
995 		*min_downscale = 1000;
996 }
997 
amdgpu_dm_plane_helper_check_state(struct drm_plane_state * state,struct drm_crtc_state * new_crtc_state)998 int amdgpu_dm_plane_helper_check_state(struct drm_plane_state *state,
999 				       struct drm_crtc_state *new_crtc_state)
1000 {
1001 	struct drm_framebuffer *fb = state->fb;
1002 	int min_downscale, max_upscale;
1003 	int min_scale = 0;
1004 	int max_scale = INT_MAX;
1005 
1006 	/* Plane enabled? Validate viewport and get scaling factors from plane caps. */
1007 	if (fb && state->crtc) {
1008 		/* Validate viewport to cover the case when only the position changes */
1009 		if (state->plane->type != DRM_PLANE_TYPE_CURSOR) {
1010 			int viewport_width = state->crtc_w;
1011 			int viewport_height = state->crtc_h;
1012 
1013 			if (state->crtc_x < 0)
1014 				viewport_width += state->crtc_x;
1015 			else if (state->crtc_x + state->crtc_w > new_crtc_state->mode.crtc_hdisplay)
1016 				viewport_width = new_crtc_state->mode.crtc_hdisplay - state->crtc_x;
1017 
1018 			if (state->crtc_y < 0)
1019 				viewport_height += state->crtc_y;
1020 			else if (state->crtc_y + state->crtc_h > new_crtc_state->mode.crtc_vdisplay)
1021 				viewport_height = new_crtc_state->mode.crtc_vdisplay - state->crtc_y;
1022 
1023 			if (viewport_width < 0 || viewport_height < 0) {
1024 				DRM_DEBUG_ATOMIC("Plane completely outside of screen\n");
1025 				return -EINVAL;
1026 			} else if (viewport_width < MIN_VIEWPORT_SIZE*2) { /* x2 for width is because of pipe-split. */
1027 				DRM_DEBUG_ATOMIC("Viewport width %d smaller than %d\n", viewport_width, MIN_VIEWPORT_SIZE*2);
1028 				return -EINVAL;
1029 			} else if (viewport_height < MIN_VIEWPORT_SIZE) {
1030 				DRM_DEBUG_ATOMIC("Viewport height %d smaller than %d\n", viewport_height, MIN_VIEWPORT_SIZE);
1031 				return -EINVAL;
1032 			}
1033 
1034 		}
1035 
1036 		/* Get min/max allowed scaling factors from plane caps. */
1037 		get_min_max_dc_plane_scaling(state->crtc->dev, fb,
1038 					     &min_downscale, &max_upscale);
1039 		/*
1040 		 * Convert to drm convention: 16.16 fixed point, instead of dc's
1041 		 * 1.0 == 1000. Also drm scaling is src/dst instead of dc's
1042 		 * dst/src, so min_scale = 1.0 / max_upscale, etc.
1043 		 */
1044 		min_scale = (1000 << 16) / max_upscale;
1045 		max_scale = (1000 << 16) / min_downscale;
1046 	}
1047 
1048 	return drm_atomic_helper_check_plane_state(
1049 		state, new_crtc_state, min_scale, max_scale, true, true);
1050 }
1051 
amdgpu_dm_plane_fill_dc_scaling_info(struct amdgpu_device * adev,const struct drm_plane_state * state,struct dc_scaling_info * scaling_info)1052 int amdgpu_dm_plane_fill_dc_scaling_info(struct amdgpu_device *adev,
1053 				const struct drm_plane_state *state,
1054 				struct dc_scaling_info *scaling_info)
1055 {
1056 	int scale_w, scale_h, min_downscale, max_upscale;
1057 
1058 	memset(scaling_info, 0, sizeof(*scaling_info));
1059 
1060 	/* Source is fixed 16.16 but we ignore mantissa for now... */
1061 	scaling_info->src_rect.x = state->src_x >> 16;
1062 	scaling_info->src_rect.y = state->src_y >> 16;
1063 
1064 	/*
1065 	 * For reasons we don't (yet) fully understand a non-zero
1066 	 * src_y coordinate into an NV12 buffer can cause a
1067 	 * system hang on DCN1x.
1068 	 * To avoid hangs (and maybe be overly cautious)
1069 	 * let's reject both non-zero src_x and src_y.
1070 	 *
1071 	 * We currently know of only one use-case to reproduce a
1072 	 * scenario with non-zero src_x and src_y for NV12, which
1073 	 * is to gesture the YouTube Android app into full screen
1074 	 * on ChromeOS.
1075 	 */
1076 	if (((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
1077 	    (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) &&
1078 	    (state->fb && state->fb->format->format == DRM_FORMAT_NV12 &&
1079 	    (scaling_info->src_rect.x != 0 || scaling_info->src_rect.y != 0)))
1080 		return -EINVAL;
1081 
1082 	scaling_info->src_rect.width = state->src_w >> 16;
1083 	if (scaling_info->src_rect.width == 0)
1084 		return -EINVAL;
1085 
1086 	scaling_info->src_rect.height = state->src_h >> 16;
1087 	if (scaling_info->src_rect.height == 0)
1088 		return -EINVAL;
1089 
1090 	scaling_info->dst_rect.x = state->crtc_x;
1091 	scaling_info->dst_rect.y = state->crtc_y;
1092 
1093 	if (state->crtc_w == 0)
1094 		return -EINVAL;
1095 
1096 	scaling_info->dst_rect.width = state->crtc_w;
1097 
1098 	if (state->crtc_h == 0)
1099 		return -EINVAL;
1100 
1101 	scaling_info->dst_rect.height = state->crtc_h;
1102 
1103 	/* DRM doesn't specify clipping on destination output. */
1104 	scaling_info->clip_rect = scaling_info->dst_rect;
1105 
1106 	/* Validate scaling per-format with DC plane caps */
1107 	if (state->plane && state->plane->dev && state->fb) {
1108 		get_min_max_dc_plane_scaling(state->plane->dev, state->fb,
1109 					     &min_downscale, &max_upscale);
1110 	} else {
1111 		min_downscale = 250;
1112 		max_upscale = 16000;
1113 	}
1114 
1115 	scale_w = scaling_info->dst_rect.width * 1000 /
1116 		  scaling_info->src_rect.width;
1117 
1118 	if (scale_w < min_downscale || scale_w > max_upscale)
1119 		return -EINVAL;
1120 
1121 	scale_h = scaling_info->dst_rect.height * 1000 /
1122 		  scaling_info->src_rect.height;
1123 
1124 	if (scale_h < min_downscale || scale_h > max_upscale)
1125 		return -EINVAL;
1126 
1127 	/*
1128 	 * The "scaling_quality" can be ignored for now, quality = 0 has DC
1129 	 * assume reasonable defaults based on the format.
1130 	 */
1131 
1132 	return 0;
1133 }
1134 
dm_plane_atomic_check(struct drm_plane * plane,struct drm_atomic_state * state)1135 static int dm_plane_atomic_check(struct drm_plane *plane,
1136 				 struct drm_atomic_state *state)
1137 {
1138 	struct drm_plane_state *new_plane_state = drm_atomic_get_new_plane_state(state,
1139 										 plane);
1140 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1141 	struct dc *dc = adev->dm.dc;
1142 	struct dm_plane_state *dm_plane_state;
1143 	struct dc_scaling_info scaling_info;
1144 	struct drm_crtc_state *new_crtc_state;
1145 	int ret;
1146 
1147 	trace_amdgpu_dm_plane_atomic_check(new_plane_state);
1148 
1149 	dm_plane_state = to_dm_plane_state(new_plane_state);
1150 
1151 	if (!dm_plane_state->dc_state)
1152 		return 0;
1153 
1154 	new_crtc_state =
1155 		drm_atomic_get_new_crtc_state(state,
1156 					      new_plane_state->crtc);
1157 	if (!new_crtc_state)
1158 		return -EINVAL;
1159 
1160 	ret = amdgpu_dm_plane_helper_check_state(new_plane_state, new_crtc_state);
1161 	if (ret)
1162 		return ret;
1163 
1164 	ret = amdgpu_dm_plane_fill_dc_scaling_info(adev, new_plane_state, &scaling_info);
1165 	if (ret)
1166 		return ret;
1167 
1168 	if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK)
1169 		return 0;
1170 
1171 	return -EINVAL;
1172 }
1173 
dm_plane_atomic_async_check(struct drm_plane * plane,struct drm_atomic_state * state)1174 static int dm_plane_atomic_async_check(struct drm_plane *plane,
1175 				       struct drm_atomic_state *state)
1176 {
1177 	/* Only support async updates on cursor planes. */
1178 	if (plane->type != DRM_PLANE_TYPE_CURSOR)
1179 		return -EINVAL;
1180 
1181 	return 0;
1182 }
1183 
get_cursor_position(struct drm_plane * plane,struct drm_crtc * crtc,struct dc_cursor_position * position)1184 static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc,
1185 			       struct dc_cursor_position *position)
1186 {
1187 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1188 	int x, y;
1189 	int xorigin = 0, yorigin = 0;
1190 
1191 	if (!crtc || !plane->state->fb)
1192 		return 0;
1193 
1194 	if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) ||
1195 	    (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) {
1196 		DRM_ERROR("%s: bad cursor width or height %d x %d\n",
1197 			  __func__,
1198 			  plane->state->crtc_w,
1199 			  plane->state->crtc_h);
1200 		return -EINVAL;
1201 	}
1202 
1203 	x = plane->state->crtc_x;
1204 	y = plane->state->crtc_y;
1205 
1206 	if (x <= -amdgpu_crtc->max_cursor_width ||
1207 	    y <= -amdgpu_crtc->max_cursor_height)
1208 		return 0;
1209 
1210 	if (x < 0) {
1211 		xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
1212 		x = 0;
1213 	}
1214 	if (y < 0) {
1215 		yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
1216 		y = 0;
1217 	}
1218 	position->enable = true;
1219 	position->translate_by_source = true;
1220 	position->x = x;
1221 	position->y = y;
1222 	position->x_hotspot = xorigin;
1223 	position->y_hotspot = yorigin;
1224 
1225 	return 0;
1226 }
1227 
amdgpu_dm_plane_handle_cursor_update(struct drm_plane * plane,struct drm_plane_state * old_plane_state)1228 void amdgpu_dm_plane_handle_cursor_update(struct drm_plane *plane,
1229 				 struct drm_plane_state *old_plane_state)
1230 {
1231 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1232 	struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb);
1233 	struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc;
1234 	struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL;
1235 	struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1236 	uint64_t address = afb ? afb->address : 0;
1237 	struct dc_cursor_position position = {0};
1238 	struct dc_cursor_attributes attributes;
1239 	int ret;
1240 
1241 	if (!plane->state->fb && !old_plane_state->fb)
1242 		return;
1243 
1244 	DC_LOG_CURSOR("%s: crtc_id=%d with size %d to %d\n",
1245 		      __func__,
1246 		      amdgpu_crtc->crtc_id,
1247 		      plane->state->crtc_w,
1248 		      plane->state->crtc_h);
1249 
1250 	ret = get_cursor_position(plane, crtc, &position);
1251 	if (ret)
1252 		return;
1253 
1254 	if (!position.enable) {
1255 		/* turn off cursor */
1256 		if (crtc_state && crtc_state->stream) {
1257 			mutex_lock(&adev->dm.dc_lock);
1258 			dc_stream_set_cursor_position(crtc_state->stream,
1259 						      &position);
1260 			mutex_unlock(&adev->dm.dc_lock);
1261 		}
1262 		return;
1263 	}
1264 
1265 	amdgpu_crtc->cursor_width = plane->state->crtc_w;
1266 	amdgpu_crtc->cursor_height = plane->state->crtc_h;
1267 
1268 	memset(&attributes, 0, sizeof(attributes));
1269 	attributes.address.high_part = upper_32_bits(address);
1270 	attributes.address.low_part  = lower_32_bits(address);
1271 	attributes.width             = plane->state->crtc_w;
1272 	attributes.height            = plane->state->crtc_h;
1273 	attributes.color_format      = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA;
1274 	attributes.rotation_angle    = 0;
1275 	attributes.attribute_flags.value = 0;
1276 
1277 	/* Enable cursor degamma ROM on DCN3+ for implicit sRGB degamma in DRM
1278 	 * legacy gamma setup.
1279 	 */
1280 	if (crtc_state->cm_is_degamma_srgb &&
1281 	    adev->dm.dc->caps.color.dpp.gamma_corr)
1282 		attributes.attribute_flags.bits.ENABLE_CURSOR_DEGAMMA = 1;
1283 
1284 	if (afb)
1285 		attributes.pitch = afb->base.pitches[0] / afb->base.format->cpp[0];
1286 
1287 	if (crtc_state->stream) {
1288 		mutex_lock(&adev->dm.dc_lock);
1289 		if (!dc_stream_set_cursor_attributes(crtc_state->stream,
1290 							 &attributes))
1291 			DRM_ERROR("DC failed to set cursor attributes\n");
1292 
1293 		if (!dc_stream_set_cursor_position(crtc_state->stream,
1294 						   &position))
1295 			DRM_ERROR("DC failed to set cursor position\n");
1296 		mutex_unlock(&adev->dm.dc_lock);
1297 	}
1298 }
1299 
dm_plane_atomic_async_update(struct drm_plane * plane,struct drm_atomic_state * state)1300 static void dm_plane_atomic_async_update(struct drm_plane *plane,
1301 					 struct drm_atomic_state *state)
1302 {
1303 	struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
1304 									   plane);
1305 	struct drm_plane_state *old_state =
1306 		drm_atomic_get_old_plane_state(state, plane);
1307 
1308 	trace_amdgpu_dm_atomic_update_cursor(new_state);
1309 
1310 	swap(plane->state->fb, new_state->fb);
1311 
1312 	plane->state->src_x = new_state->src_x;
1313 	plane->state->src_y = new_state->src_y;
1314 	plane->state->src_w = new_state->src_w;
1315 	plane->state->src_h = new_state->src_h;
1316 	plane->state->crtc_x = new_state->crtc_x;
1317 	plane->state->crtc_y = new_state->crtc_y;
1318 	plane->state->crtc_w = new_state->crtc_w;
1319 	plane->state->crtc_h = new_state->crtc_h;
1320 
1321 	amdgpu_dm_plane_handle_cursor_update(plane, old_state);
1322 }
1323 
1324 static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
1325 	.prepare_fb = dm_plane_helper_prepare_fb,
1326 	.cleanup_fb = dm_plane_helper_cleanup_fb,
1327 	.atomic_check = dm_plane_atomic_check,
1328 	.atomic_async_check = dm_plane_atomic_async_check,
1329 	.atomic_async_update = dm_plane_atomic_async_update
1330 };
1331 
dm_drm_plane_reset(struct drm_plane * plane)1332 static void dm_drm_plane_reset(struct drm_plane *plane)
1333 {
1334 	struct dm_plane_state *amdgpu_state = NULL;
1335 
1336 	if (plane->state)
1337 		plane->funcs->atomic_destroy_state(plane, plane->state);
1338 
1339 	amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL);
1340 	WARN_ON(amdgpu_state == NULL);
1341 
1342 	if (amdgpu_state)
1343 		__drm_atomic_helper_plane_reset(plane, &amdgpu_state->base);
1344 }
1345 
1346 static struct drm_plane_state *
dm_drm_plane_duplicate_state(struct drm_plane * plane)1347 dm_drm_plane_duplicate_state(struct drm_plane *plane)
1348 {
1349 	struct dm_plane_state *dm_plane_state, *old_dm_plane_state;
1350 
1351 	old_dm_plane_state = to_dm_plane_state(plane->state);
1352 	dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL);
1353 	if (!dm_plane_state)
1354 		return NULL;
1355 
1356 	__drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base);
1357 
1358 	if (old_dm_plane_state->dc_state) {
1359 		dm_plane_state->dc_state = old_dm_plane_state->dc_state;
1360 		dc_plane_state_retain(dm_plane_state->dc_state);
1361 	}
1362 
1363 	return &dm_plane_state->base;
1364 }
1365 
dm_plane_format_mod_supported(struct drm_plane * plane,uint32_t format,uint64_t modifier)1366 static bool dm_plane_format_mod_supported(struct drm_plane *plane,
1367 					  uint32_t format,
1368 					  uint64_t modifier)
1369 {
1370 	struct amdgpu_device *adev = drm_to_adev(plane->dev);
1371 	const struct drm_format_info *info = drm_format_info(format);
1372 	int i;
1373 
1374 	enum dm_micro_swizzle microtile = modifier_gfx9_swizzle_mode(modifier) & 3;
1375 
1376 	if (!info)
1377 		return false;
1378 
1379 	/*
1380 	 * We always have to allow these modifiers:
1381 	 * 1. Core DRM checks for LINEAR support if userspace does not provide modifiers.
1382 	 * 2. Not passing any modifiers is the same as explicitly passing INVALID.
1383 	 */
1384 	if (modifier == DRM_FORMAT_MOD_LINEAR ||
1385 	    modifier == DRM_FORMAT_MOD_INVALID) {
1386 		return true;
1387 	}
1388 
1389 	/* Check that the modifier is on the list of the plane's supported modifiers. */
1390 	for (i = 0; i < plane->modifier_count; i++) {
1391 		if (modifier == plane->modifiers[i])
1392 			break;
1393 	}
1394 	if (i == plane->modifier_count)
1395 		return false;
1396 
1397 	/*
1398 	 * For D swizzle the canonical modifier depends on the bpp, so check
1399 	 * it here.
1400 	 */
1401 	if (AMD_FMT_MOD_GET(TILE_VERSION, modifier) == AMD_FMT_MOD_TILE_VER_GFX9 &&
1402 	    adev->family >= AMDGPU_FAMILY_NV) {
1403 		if (microtile == MICRO_SWIZZLE_D && info->cpp[0] == 4)
1404 			return false;
1405 	}
1406 
1407 	if (adev->family >= AMDGPU_FAMILY_RV && microtile == MICRO_SWIZZLE_D &&
1408 	    info->cpp[0] < 8)
1409 		return false;
1410 
1411 	if (modifier_has_dcc(modifier)) {
1412 		/* Per radeonsi comments 16/64 bpp are more complicated. */
1413 		if (info->cpp[0] != 4)
1414 			return false;
1415 		/* We support multi-planar formats, but not when combined with
1416 		 * additional DCC metadata planes.
1417 		 */
1418 		if (info->num_planes > 1)
1419 			return false;
1420 	}
1421 
1422 	return true;
1423 }
1424 
dm_drm_plane_destroy_state(struct drm_plane * plane,struct drm_plane_state * state)1425 static void dm_drm_plane_destroy_state(struct drm_plane *plane,
1426 				struct drm_plane_state *state)
1427 {
1428 	struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
1429 
1430 	if (dm_plane_state->dc_state)
1431 		dc_plane_state_release(dm_plane_state->dc_state);
1432 
1433 	drm_atomic_helper_plane_destroy_state(plane, state);
1434 }
1435 
1436 static const struct drm_plane_funcs dm_plane_funcs = {
1437 	.update_plane	= drm_atomic_helper_update_plane,
1438 	.disable_plane	= drm_atomic_helper_disable_plane,
1439 	.destroy	= drm_plane_helper_destroy,
1440 	.reset = dm_drm_plane_reset,
1441 	.atomic_duplicate_state = dm_drm_plane_duplicate_state,
1442 	.atomic_destroy_state = dm_drm_plane_destroy_state,
1443 	.format_mod_supported = dm_plane_format_mod_supported,
1444 };
1445 
amdgpu_dm_plane_init(struct amdgpu_display_manager * dm,struct drm_plane * plane,unsigned long possible_crtcs,const struct dc_plane_cap * plane_cap)1446 int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
1447 				struct drm_plane *plane,
1448 				unsigned long possible_crtcs,
1449 				const struct dc_plane_cap *plane_cap)
1450 {
1451 	uint32_t formats[32];
1452 	int num_formats;
1453 	int res = -EPERM;
1454 	unsigned int supported_rotations;
1455 	uint64_t *modifiers = NULL;
1456 
1457 	num_formats = get_plane_formats(plane, plane_cap, formats,
1458 					ARRAY_SIZE(formats));
1459 
1460 	res = get_plane_modifiers(dm->adev, plane->type, &modifiers);
1461 	if (res)
1462 		return res;
1463 
1464 	if (modifiers == NULL)
1465 		adev_to_drm(dm->adev)->mode_config.fb_modifiers_not_supported = true;
1466 
1467 	res = drm_universal_plane_init(adev_to_drm(dm->adev), plane, possible_crtcs,
1468 				       &dm_plane_funcs, formats, num_formats,
1469 				       modifiers, plane->type, NULL);
1470 	kfree(modifiers);
1471 	if (res)
1472 		return res;
1473 
1474 	if (plane->type == DRM_PLANE_TYPE_OVERLAY &&
1475 	    plane_cap && plane_cap->per_pixel_alpha) {
1476 		unsigned int blend_caps = BIT(DRM_MODE_BLEND_PIXEL_NONE) |
1477 					  BIT(DRM_MODE_BLEND_PREMULTI) |
1478 					  BIT(DRM_MODE_BLEND_COVERAGE);
1479 
1480 		drm_plane_create_alpha_property(plane);
1481 		drm_plane_create_blend_mode_property(plane, blend_caps);
1482 	}
1483 
1484 	if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
1485 		drm_plane_create_zpos_immutable_property(plane, 0);
1486 	} else if (plane->type == DRM_PLANE_TYPE_OVERLAY) {
1487 		unsigned int zpos = 1 + drm_plane_index(plane);
1488 		drm_plane_create_zpos_property(plane, zpos, 1, 254);
1489 	} else if (plane->type == DRM_PLANE_TYPE_CURSOR) {
1490 		drm_plane_create_zpos_immutable_property(plane, 255);
1491 	}
1492 
1493 	if (plane->type == DRM_PLANE_TYPE_PRIMARY &&
1494 	    plane_cap &&
1495 	    (plane_cap->pixel_format_support.nv12 ||
1496 	     plane_cap->pixel_format_support.p010)) {
1497 		/* This only affects YUV formats. */
1498 		drm_plane_create_color_properties(
1499 			plane,
1500 			BIT(DRM_COLOR_YCBCR_BT601) |
1501 			BIT(DRM_COLOR_YCBCR_BT709) |
1502 			BIT(DRM_COLOR_YCBCR_BT2020),
1503 			BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
1504 			BIT(DRM_COLOR_YCBCR_FULL_RANGE),
1505 			DRM_COLOR_YCBCR_BT709, DRM_COLOR_YCBCR_LIMITED_RANGE);
1506 	}
1507 
1508 	supported_rotations =
1509 		DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 |
1510 		DRM_MODE_ROTATE_180 | DRM_MODE_ROTATE_270;
1511 
1512 	if (dm->adev->asic_type >= CHIP_BONAIRE &&
1513 	    plane->type != DRM_PLANE_TYPE_CURSOR)
1514 		drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0,
1515 						   supported_rotations);
1516 
1517 	if (dm->adev->ip_versions[DCE_HWIP][0] > IP_VERSION(3, 0, 1) &&
1518 	    plane->type != DRM_PLANE_TYPE_CURSOR)
1519 		drm_plane_enable_fb_damage_clips(plane);
1520 
1521 	drm_plane_helper_add(plane, &dm_plane_helper_funcs);
1522 
1523 	/* Create (reset) the plane state */
1524 	if (plane->funcs->reset)
1525 		plane->funcs->reset(plane);
1526 
1527 	return 0;
1528 }
1529 
is_video_format(uint32_t format)1530 bool is_video_format(uint32_t format)
1531 {
1532 	int i;
1533 
1534 	for (i = 0; i < ARRAY_SIZE(video_formats); i++)
1535 		if (format == video_formats[i])
1536 			return true;
1537 
1538 	return false;
1539 }
1540 
1541