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Message-ID: <202206142153.JoIVCgy0-lkp@intel.com>
Date: Tue, 14 Jun 2022 21:18:24 +0800
From: kernel test robot <lkp@...el.com>
To: Aurabindo Pillai <aurabindo.pillai@....com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org,
Alex Deucher <alexander.deucher@....com>
Subject: [agd5f:drm-next 40/198]
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_rq_dlg_calc_32.c:206:6:
warning: stack frame size (1308) exceeds limit (1024) in
'dml32_rq_dlg_get_dlg_reg'
tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next
head: a6eba20601a3c518f8c60af9da788f9559e0a03c
commit: dda4fb85e433f761eedaed0005a2bc20d705d504 [40/198] drm/amd/display: DML changes for DCN32/321
config: i386-buildonly-randconfig-r002-20220613 (https://download.01.org/0day-ci/archive/20220614/202206142153.JoIVCgy0-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git
git fetch --no-tags agd5f drm-next
git checkout dda4fb85e433f761eedaed0005a2bc20d705d504
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_rq_dlg_calc_32.c:206:6: warning: stack frame size (1308) exceeds limit (1024) in 'dml32_rq_dlg_get_dlg_reg' [-Wframe-larger-than]
void dml32_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
^
1 warning generated.
vim +/dml32_rq_dlg_get_dlg_reg +206 drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_rq_dlg_calc_32.c
205
> 206 void dml32_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
207 display_dlg_regs_st *dlg_regs,
208 display_ttu_regs_st *ttu_regs,
209 display_e2e_pipe_params_st *e2e_pipe_param,
210 const unsigned int num_pipes,
211 const unsigned int pipe_idx)
212 {
213 const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
214 const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
215 const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
216 double refcyc_per_req_delivery_pre_cur0 = 0.;
217 double refcyc_per_req_delivery_cur0 = 0.;
218 double refcyc_per_req_delivery_pre_c = 0.;
219 double refcyc_per_req_delivery_c = 0.;
220 double refcyc_per_req_delivery_pre_l;
221 double refcyc_per_req_delivery_l;
222 double refcyc_per_line_delivery_pre_c = 0.;
223 double refcyc_per_line_delivery_c = 0.;
224 double refcyc_per_line_delivery_pre_l;
225 double refcyc_per_line_delivery_l;
226 double min_ttu_vblank;
227 double vratio_pre_l;
228 double vratio_pre_c;
229 unsigned int min_dst_y_next_start;
230 unsigned int htotal = dst->htotal;
231 unsigned int hblank_end = dst->hblank_end;
232 unsigned int vblank_end = dst->vblank_end;
233 bool interlaced = dst->interlaced;
234 double pclk_freq_in_mhz = dst->pixel_rate_mhz;
235 unsigned int vready_after_vcount0;
236 double refclk_freq_in_mhz = clks->refclk_mhz;
237 double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
238 bool dual_plane = 0;
239 unsigned int pipe_index_in_combine[DC__NUM_PIPES__MAX];
240 int unsigned dst_x_after_scaler;
241 int unsigned dst_y_after_scaler;
242 double dst_y_prefetch;
243 double dst_y_per_vm_vblank;
244 double dst_y_per_row_vblank;
245 double dst_y_per_vm_flip;
246 double dst_y_per_row_flip;
247 double max_dst_y_per_vm_vblank = 32.0;
248 double max_dst_y_per_row_vblank = 16.0;
249
250 double dst_y_per_pte_row_nom_l;
251 double dst_y_per_pte_row_nom_c;
252 double dst_y_per_meta_row_nom_l;
253 double dst_y_per_meta_row_nom_c;
254 double refcyc_per_pte_group_nom_l;
255 double refcyc_per_pte_group_nom_c;
256 double refcyc_per_pte_group_vblank_l;
257 double refcyc_per_pte_group_vblank_c;
258 double refcyc_per_pte_group_flip_l;
259 double refcyc_per_pte_group_flip_c;
260 double refcyc_per_meta_chunk_nom_l;
261 double refcyc_per_meta_chunk_nom_c;
262 double refcyc_per_meta_chunk_vblank_l;
263 double refcyc_per_meta_chunk_vblank_c;
264 double refcyc_per_meta_chunk_flip_l;
265 double refcyc_per_meta_chunk_flip_c;
266
267 memset(dlg_regs, 0, sizeof(*dlg_regs));
268 memset(ttu_regs, 0, sizeof(*ttu_regs));
269 dml_print("DML_DLG::%s: Calculation for pipe[%d] starts, num_pipes=%d\n", __func__, pipe_idx, num_pipes);
270 dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
271 dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz);
272 dml_print("DML_DLG: %s: ref_freq_to_pix_freq = %3.2f\n", __func__, ref_freq_to_pix_freq);
273 dml_print("DML_DLG: %s: interlaced = %d\n", __func__, interlaced);
274 ASSERT(ref_freq_to_pix_freq < 4.0);
275
276 dlg_regs->ref_freq_to_pix_freq = (unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19));
277 dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal * dml_pow(2, 8));
278 dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
279
280 min_ttu_vblank = get_min_ttu_vblank_in_us(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
281 min_dst_y_next_start = get_min_dst_y_next_start(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
282
283 dml_print("DML_DLG: %s: min_ttu_vblank (us) = %3.2f\n", __func__, min_ttu_vblank);
284 dml_print("DML_DLG: %s: min_dst_y_next_start = %d\n", __func__, min_dst_y_next_start);
285 dml_print("DML_DLG: %s: ref_freq_to_pix_freq = %3.2f\n", __func__, ref_freq_to_pix_freq);
286
287 dual_plane = is_dual_plane((enum source_format_class) (src->source_format));
288
289 vready_after_vcount0 = get_vready_at_or_after_vsync(mode_lib, e2e_pipe_param, num_pipes,
290 pipe_idx); // From VBA
291 dlg_regs->vready_after_vcount0 = vready_after_vcount0;
292
293 dml_print("DML_DLG: %s: vready_after_vcount0 = %d\n", __func__, dlg_regs->vready_after_vcount0);
294
295 dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
296 dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
297
298 // do some adjustment on the dst_after scaler to account for odm combine mode
299 dml_print("DML_DLG: %s: input dst_x_after_scaler = %d\n", __func__, dst_x_after_scaler);
300 dml_print("DML_DLG: %s: input dst_y_after_scaler = %d\n", __func__, dst_y_after_scaler);
301
302 // need to figure out which side of odm combine we're in
303 if (dst->odm_combine == dm_odm_combine_mode_2to1 || dst->odm_combine == dm_odm_combine_mode_4to1) {
304 // figure out which pipes go together
305 bool visited[DC__NUM_PIPES__MAX];
306 unsigned int i, j, k;
307
308 for (k = 0; k < num_pipes; ++k) {
309 visited[k] = false;
310 pipe_index_in_combine[k] = 0;
311 }
312
313 for (i = 0; i < num_pipes; i++) {
314 if (e2e_pipe_param[i].pipe.src.is_hsplit && !visited[i]) {
315
316 unsigned int grp = e2e_pipe_param[i].pipe.src.hsplit_grp;
317 unsigned int grp_idx = 0;
318
319 for (j = i; j < num_pipes; j++) {
320 if (e2e_pipe_param[j].pipe.src.hsplit_grp == grp
321 && e2e_pipe_param[j].pipe.src.is_hsplit && !visited[j]) {
322 pipe_index_in_combine[j] = grp_idx;
323 dml_print("DML_DLG: %s: pipe[%d] is in grp %d idx %d\n",
324 __func__, j, grp, grp_idx);
325 grp_idx++;
326 visited[j] = true;
327 }
328 }
329 }
330 }
331 }
332
333 if (dst->odm_combine == dm_odm_combine_mode_disabled) {
334 // FIXME how about ODM split??
335 dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end * ref_freq_to_pix_freq);
336 } else {
337 if (dst->odm_combine == dm_odm_combine_mode_2to1 || dst->odm_combine == dm_odm_combine_mode_4to1) {
338 // TODO: We should really check that 4to1 is supported before setting it to 4
339 unsigned int odm_combine_factor = (dst->odm_combine == dm_odm_combine_mode_2to1 ? 2 : 4);
340 unsigned int odm_pipe_index = pipe_index_in_combine[pipe_idx];
341
342 dlg_regs->refcyc_h_blank_end = (unsigned int) (((double) hblank_end
343 + odm_pipe_index * (double) dst->hactive / odm_combine_factor) * ref_freq_to_pix_freq);
344 }
345 }
346 ASSERT(dlg_regs->refcyc_h_blank_end < (unsigned int)dml_pow(2, 13));
347
348 dml_print("DML_DLG: %s: htotal= %d\n", __func__, htotal);
349 dml_print("DML_DLG: %s: dst_x_after_scaler[%d]= %d\n", __func__, pipe_idx, dst_x_after_scaler);
350 dml_print("DML_DLG: %s: dst_y_after_scaler[%d] = %d\n", __func__, pipe_idx, dst_y_after_scaler);
351
352 dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
353 // From VBA
354 dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
355 // From VBA
356 dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
357 dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
358 dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
359
360 // magic!
361 if (htotal <= 75) {
362 max_dst_y_per_vm_vblank = 100.0;
363 max_dst_y_per_row_vblank = 100.0;
364 }
365
366 dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
367 dml_print("DML_DLG: %s: dst_y_per_vm_flip = %3.2f\n", __func__, dst_y_per_vm_flip);
368 dml_print("DML_DLG: %s: dst_y_per_row_flip = %3.2f\n", __func__, dst_y_per_row_flip);
369 dml_print("DML_DLG: %s: dst_y_per_vm_vblank = %3.2f\n", __func__, dst_y_per_vm_vblank);
370 dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank);
371
372 ASSERT(dst_y_per_vm_vblank < max_dst_y_per_vm_vblank);
373 ASSERT(dst_y_per_row_vblank < max_dst_y_per_row_vblank);
374 ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank));
375
376 vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
377 vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx); // From VBA
378
379 dml_print("DML_DLG: %s: vratio_pre_l = %3.2f\n", __func__, vratio_pre_l);
380 dml_print("DML_DLG: %s: vratio_pre_c = %3.2f\n", __func__, vratio_pre_c);
381
382 // Active
383 refcyc_per_line_delivery_pre_l = get_refcyc_per_line_delivery_pre_l_in_us(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
384 refcyc_per_line_delivery_l = get_refcyc_per_line_delivery_l_in_us(mode_lib, e2e_pipe_param, num_pipes,
385 pipe_idx) * refclk_freq_in_mhz; // From VBA
386
387 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n", __func__, refcyc_per_line_delivery_pre_l);
388 dml_print("DML_DLG: %s: refcyc_per_line_delivery_l = %3.2f\n", __func__, refcyc_per_line_delivery_l);
389
390 if (dual_plane) {
391 refcyc_per_line_delivery_pre_c = get_refcyc_per_line_delivery_pre_c_in_us(mode_lib, e2e_pipe_param,
392 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
393 refcyc_per_line_delivery_c = get_refcyc_per_line_delivery_c_in_us(mode_lib, e2e_pipe_param, num_pipes,
394 pipe_idx) * refclk_freq_in_mhz; // From VBA
395
396 dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
397 __func__, refcyc_per_line_delivery_pre_c);
398 dml_print("DML_DLG: %s: refcyc_per_line_delivery_c = %3.2f\n",
399 __func__, refcyc_per_line_delivery_c);
400 }
401
402 if (src->dynamic_metadata_enable && src->gpuvm)
403 dlg_regs->refcyc_per_vm_dmdata = get_refcyc_per_vm_dmdata_in_us(mode_lib, e2e_pipe_param, num_pipes,
404 pipe_idx) * refclk_freq_in_mhz; // From VBA
405
406 dlg_regs->dmdata_dl_delta = get_dmdata_dl_delta_in_us(mode_lib, e2e_pipe_param, num_pipes, pipe_idx)
407 * refclk_freq_in_mhz; // From VBA
408
409 refcyc_per_req_delivery_pre_l = get_refcyc_per_req_delivery_pre_l_in_us(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
410 refcyc_per_req_delivery_l = get_refcyc_per_req_delivery_l_in_us(mode_lib, e2e_pipe_param, num_pipes,
411 pipe_idx) * refclk_freq_in_mhz; // From VBA
412
413 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n", __func__, refcyc_per_req_delivery_pre_l);
414 dml_print("DML_DLG: %s: refcyc_per_req_delivery_l = %3.2f\n", __func__, refcyc_per_req_delivery_l);
415
416 if (dual_plane) {
417 refcyc_per_req_delivery_pre_c = get_refcyc_per_req_delivery_pre_c_in_us(mode_lib, e2e_pipe_param,
418 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
419 refcyc_per_req_delivery_c = get_refcyc_per_req_delivery_c_in_us(mode_lib, e2e_pipe_param, num_pipes,
420 pipe_idx) * refclk_freq_in_mhz; // From VBA
421
422 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
423 __func__, refcyc_per_req_delivery_pre_c);
424 dml_print("DML_DLG: %s: refcyc_per_req_delivery_c = %3.2f\n", __func__, refcyc_per_req_delivery_c);
425 }
426
427 // TTU - Cursor
428 ASSERT(src->num_cursors <= 1);
429 if (src->num_cursors > 0) {
430 refcyc_per_req_delivery_pre_cur0 = get_refcyc_per_cursor_req_delivery_pre_in_us(mode_lib,
431 e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
432 refcyc_per_req_delivery_cur0 = get_refcyc_per_cursor_req_delivery_in_us(mode_lib, e2e_pipe_param,
433 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
434
435 dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur0 = %3.2f\n",
436 __func__, refcyc_per_req_delivery_pre_cur0);
437 dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur0 = %3.2f\n",
438 __func__, refcyc_per_req_delivery_cur0);
439 }
440
441 // Assign to register structures
442 dlg_regs->min_dst_y_next_start = min_dst_y_next_start * dml_pow(2, 2);
443 ASSERT(dlg_regs->min_dst_y_next_start < (unsigned int)dml_pow(2, 18));
444
445 dlg_regs->dst_y_after_scaler = dst_y_after_scaler; // in terms of line
446 dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; // in terms of refclk
447 dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
448 dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
449 dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
450 dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
451 dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
452
453 dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
454 dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19));
455
456 dml_print("DML_DLG: %s: dlg_regs->dst_y_per_vm_vblank = 0x%x\n", __func__, dlg_regs->dst_y_per_vm_vblank);
457 dml_print("DML_DLG: %s: dlg_regs->dst_y_per_row_vblank = 0x%x\n", __func__, dlg_regs->dst_y_per_row_vblank);
458 dml_print("DML_DLG: %s: dlg_regs->dst_y_per_vm_flip = 0x%x\n", __func__, dlg_regs->dst_y_per_vm_flip);
459 dml_print("DML_DLG: %s: dlg_regs->dst_y_per_row_flip = 0x%x\n", __func__, dlg_regs->dst_y_per_row_flip);
460
461 dlg_regs->refcyc_per_vm_group_vblank = get_refcyc_per_vm_group_vblank_in_us(mode_lib, e2e_pipe_param,
462 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
463 dlg_regs->refcyc_per_vm_group_flip = get_refcyc_per_vm_group_flip_in_us(mode_lib, e2e_pipe_param, num_pipes,
464 pipe_idx) * refclk_freq_in_mhz; // From VBA
465 dlg_regs->refcyc_per_vm_req_vblank = get_refcyc_per_vm_req_vblank_in_us(mode_lib, e2e_pipe_param, num_pipes,
466 pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10); // From VBA
467 dlg_regs->refcyc_per_vm_req_flip = get_refcyc_per_vm_req_flip_in_us(mode_lib, e2e_pipe_param, num_pipes,
468 pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10); // From VBA
469
470 // From VBA
471 dst_y_per_pte_row_nom_l = get_dst_y_per_pte_row_nom_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
472 // From VBA
473 dst_y_per_pte_row_nom_c = get_dst_y_per_pte_row_nom_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
474 // From VBA
475 dst_y_per_meta_row_nom_l = get_dst_y_per_meta_row_nom_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
476 // From VBA
477 dst_y_per_meta_row_nom_c = get_dst_y_per_meta_row_nom_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
478
479 refcyc_per_pte_group_nom_l = get_refcyc_per_pte_group_nom_l_in_us(mode_lib, e2e_pipe_param, num_pipes,
480 pipe_idx) * refclk_freq_in_mhz; // From VBA
481 refcyc_per_pte_group_nom_c = get_refcyc_per_pte_group_nom_c_in_us(mode_lib, e2e_pipe_param, num_pipes,
482 pipe_idx) * refclk_freq_in_mhz; // From VBA
483 refcyc_per_pte_group_vblank_l = get_refcyc_per_pte_group_vblank_l_in_us(mode_lib, e2e_pipe_param,
484 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
485 refcyc_per_pte_group_vblank_c = get_refcyc_per_pte_group_vblank_c_in_us(mode_lib, e2e_pipe_param,
486 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
487 refcyc_per_pte_group_flip_l = get_refcyc_per_pte_group_flip_l_in_us(mode_lib, e2e_pipe_param, num_pipes,
488 pipe_idx) * refclk_freq_in_mhz; // From VBA
489 refcyc_per_pte_group_flip_c = get_refcyc_per_pte_group_flip_c_in_us(mode_lib, e2e_pipe_param, num_pipes,
490 pipe_idx) * refclk_freq_in_mhz; // From VBA
491
492 refcyc_per_meta_chunk_nom_l = get_refcyc_per_meta_chunk_nom_l_in_us(mode_lib, e2e_pipe_param, num_pipes,
493 pipe_idx) * refclk_freq_in_mhz; // From VBA
494 refcyc_per_meta_chunk_nom_c = get_refcyc_per_meta_chunk_nom_c_in_us(mode_lib, e2e_pipe_param, num_pipes,
495 pipe_idx) * refclk_freq_in_mhz; // From VBA
496 refcyc_per_meta_chunk_vblank_l = get_refcyc_per_meta_chunk_vblank_l_in_us(mode_lib, e2e_pipe_param,
497 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
498 refcyc_per_meta_chunk_vblank_c = get_refcyc_per_meta_chunk_vblank_c_in_us(mode_lib, e2e_pipe_param,
499 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
500 refcyc_per_meta_chunk_flip_l = get_refcyc_per_meta_chunk_flip_l_in_us(mode_lib, e2e_pipe_param,
501 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
502 refcyc_per_meta_chunk_flip_c = get_refcyc_per_meta_chunk_flip_c_in_us(mode_lib, e2e_pipe_param,
503 num_pipes, pipe_idx) * refclk_freq_in_mhz; // From VBA
504
505 dlg_regs->dst_y_per_pte_row_nom_l = dst_y_per_pte_row_nom_l * dml_pow(2, 2);
506 dlg_regs->dst_y_per_pte_row_nom_c = dst_y_per_pte_row_nom_c * dml_pow(2, 2);
507 dlg_regs->dst_y_per_meta_row_nom_l = dst_y_per_meta_row_nom_l * dml_pow(2, 2);
508 dlg_regs->dst_y_per_meta_row_nom_c = dst_y_per_meta_row_nom_c * dml_pow(2, 2);
509 dlg_regs->refcyc_per_pte_group_nom_l = refcyc_per_pte_group_nom_l;
510 dlg_regs->refcyc_per_pte_group_nom_c = refcyc_per_pte_group_nom_c;
511 dlg_regs->refcyc_per_pte_group_vblank_l = refcyc_per_pte_group_vblank_l;
512 dlg_regs->refcyc_per_pte_group_vblank_c = refcyc_per_pte_group_vblank_c;
513 dlg_regs->refcyc_per_pte_group_flip_l = refcyc_per_pte_group_flip_l;
514 dlg_regs->refcyc_per_pte_group_flip_c = refcyc_per_pte_group_flip_c;
515 dlg_regs->refcyc_per_meta_chunk_nom_l = refcyc_per_meta_chunk_nom_l;
516 dlg_regs->refcyc_per_meta_chunk_nom_c = refcyc_per_meta_chunk_nom_c;
517 dlg_regs->refcyc_per_meta_chunk_vblank_l = refcyc_per_meta_chunk_vblank_l;
518 dlg_regs->refcyc_per_meta_chunk_vblank_c = refcyc_per_meta_chunk_vblank_c;
519 dlg_regs->refcyc_per_meta_chunk_flip_l = refcyc_per_meta_chunk_flip_l;
520 dlg_regs->refcyc_per_meta_chunk_flip_c = refcyc_per_meta_chunk_flip_c;
521 dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_l, 1);
522 dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor(refcyc_per_line_delivery_l, 1);
523 dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor(refcyc_per_line_delivery_pre_c, 1);
524 dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor(refcyc_per_line_delivery_c, 1);
525
526 dlg_regs->chunk_hdl_adjust_cur0 = 3;
527 dlg_regs->dst_y_offset_cur0 = 0;
528 dlg_regs->chunk_hdl_adjust_cur1 = 3;
529 dlg_regs->dst_y_offset_cur1 = 0;
530
531 dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
532
533 ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l * dml_pow(2, 10));
534 ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l * dml_pow(2, 10));
535 ttu_regs->refcyc_per_req_delivery_pre_c = (unsigned int) (refcyc_per_req_delivery_pre_c * dml_pow(2, 10));
536 ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c * dml_pow(2, 10));
537 ttu_regs->refcyc_per_req_delivery_pre_cur0 =
538 (unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
539 ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0 * dml_pow(2, 10));
540 ttu_regs->refcyc_per_req_delivery_pre_cur1 = 0;
541 ttu_regs->refcyc_per_req_delivery_cur1 = 0;
542 ttu_regs->qos_level_low_wm = 0;
543
544 ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal * ref_freq_to_pix_freq);
545
546 ttu_regs->qos_level_flip = 14;
547 ttu_regs->qos_level_fixed_l = 8;
548 ttu_regs->qos_level_fixed_c = 8;
549 ttu_regs->qos_level_fixed_cur0 = 8;
550 ttu_regs->qos_ramp_disable_l = 0;
551 ttu_regs->qos_ramp_disable_c = 0;
552 ttu_regs->qos_ramp_disable_cur0 = 0;
553 ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz;
554
555 // CHECK for HW registers' range, assert or clamp
556 ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13));
557 ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13));
558 ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
559 ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
560 if (dlg_regs->refcyc_per_vm_group_vblank >= (unsigned int) dml_pow(2, 23))
561 dlg_regs->refcyc_per_vm_group_vblank = dml_pow(2, 23) - 1;
562
563 if (dlg_regs->refcyc_per_vm_group_flip >= (unsigned int) dml_pow(2, 23))
564 dlg_regs->refcyc_per_vm_group_flip = dml_pow(2, 23) - 1;
565
566 if (dlg_regs->refcyc_per_vm_req_vblank >= (unsigned int) dml_pow(2, 23))
567 dlg_regs->refcyc_per_vm_req_vblank = dml_pow(2, 23) - 1;
568
569 if (dlg_regs->refcyc_per_vm_req_flip >= (unsigned int) dml_pow(2, 23))
570 dlg_regs->refcyc_per_vm_req_flip = dml_pow(2, 23) - 1;
571
572 ASSERT(dlg_regs->dst_y_after_scaler < (unsigned int) 8);
573 ASSERT(dlg_regs->refcyc_x_after_scaler < (unsigned int)dml_pow(2, 13));
574 ASSERT(dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int)dml_pow(2, 17));
575 if (dual_plane) {
576 if (dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
577 // FIXME what so special about chroma, can we just assert?
578 dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u > register max U15.2 %u\n",
579 __func__, dlg_regs->dst_y_per_pte_row_nom_c, (unsigned int)dml_pow(2, 17) - 1);
580 }
581 }
582 ASSERT(dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int)dml_pow(2, 17));
583 ASSERT(dlg_regs->dst_y_per_meta_row_nom_c < (unsigned int)dml_pow(2, 17));
584
585 if (dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23))
586 dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1;
587 if (dual_plane) {
588 if (dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23))
589 dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1;
590 }
591 ASSERT(dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13));
592 if (dual_plane) {
593 ASSERT(dlg_regs->refcyc_per_pte_group_vblank_c < (unsigned int)dml_pow(2, 13));
594 }
595
596 if (dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23))
597 dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1;
598 if (dual_plane) {
599 if (dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
600 dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
601 }
602 ASSERT(dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13));
603 ASSERT(dlg_regs->refcyc_per_meta_chunk_vblank_c < (unsigned int)dml_pow(2, 13));
604 ASSERT(dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int)dml_pow(2, 13));
605 ASSERT(dlg_regs->refcyc_per_line_delivery_l < (unsigned int)dml_pow(2, 13));
606 ASSERT(dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int)dml_pow(2, 13));
607 ASSERT(dlg_regs->refcyc_per_line_delivery_c < (unsigned int)dml_pow(2, 13));
608 ASSERT(ttu_regs->qos_level_low_wm < dml_pow(2, 14));
609 ASSERT(ttu_regs->qos_level_high_wm < dml_pow(2, 14));
610 ASSERT(ttu_regs->min_ttu_vblank < dml_pow(2, 24));
611
612 print__ttu_regs_st(mode_lib, ttu_regs);
613 print__dlg_regs_st(mode_lib, dlg_regs);
614 dml_print("DML_DLG::%s: Calculation for pipe[%d] done, num_pipes=%d\n", __func__, pipe_idx, num_pipes);
615 }
616
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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