drm/nvd0/disp: stub dac load detect, prevents oops
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / nouveau / nvd0_display.c
1 /*
2  * Copyright 2011 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  */
24
25 #include <linux/dma-mapping.h>
26
27 #include "drmP.h"
28 #include "drm_crtc_helper.h"
29
30 #include "nouveau_drv.h"
31 #include "nouveau_connector.h"
32 #include "nouveau_encoder.h"
33 #include "nouveau_crtc.h"
34 #include "nouveau_fb.h"
35
36 #define MEM_SYNC 0xe0000001
37 #define MEM_VRAM 0xe0010000
38 #include "nouveau_dma.h"
39
40 struct nvd0_display {
41         struct nouveau_gpuobj *mem;
42         struct {
43                 dma_addr_t handle;
44                 u32 *ptr;
45         } evo[1];
46 };
47
48 static struct nvd0_display *
49 nvd0_display(struct drm_device *dev)
50 {
51         struct drm_nouveau_private *dev_priv = dev->dev_private;
52         return dev_priv->engine.display.priv;
53 }
54
55 static int
56 evo_icmd(struct drm_device *dev, int id, u32 mthd, u32 data)
57 {
58         int ret = 0;
59         nv_mask(dev, 0x610700 + (id * 0x10), 0x00000001, 0x00000001);
60         nv_wr32(dev, 0x610704 + (id * 0x10), data);
61         nv_mask(dev, 0x610704 + (id * 0x10), 0x80000ffc, 0x80000000 | mthd);
62         if (!nv_wait(dev, 0x610704 + (id * 0x10), 0x80000000, 0x00000000))
63                 ret = -EBUSY;
64         nv_mask(dev, 0x610700 + (id * 0x10), 0x00000001, 0x00000000);
65         return ret;
66 }
67
68 static u32 *
69 evo_wait(struct drm_device *dev, int id, int nr)
70 {
71         struct nvd0_display *disp = nvd0_display(dev);
72         u32 put = nv_rd32(dev, 0x640000 + (id * 0x1000)) / 4;
73
74         if (put + nr >= (PAGE_SIZE / 4)) {
75                 disp->evo[id].ptr[put] = 0x20000000;
76
77                 nv_wr32(dev, 0x640000 + (id * 0x1000), 0x00000000);
78                 if (!nv_wait(dev, 0x640004 + (id * 0x1000), ~0, 0x00000000)) {
79                         NV_ERROR(dev, "evo %d dma stalled\n", id);
80                         return NULL;
81                 }
82
83                 put = 0;
84         }
85
86         return disp->evo[id].ptr + put;
87 }
88
89 static void
90 evo_kick(u32 *push, struct drm_device *dev, int id)
91 {
92         struct nvd0_display *disp = nvd0_display(dev);
93         nv_wr32(dev, 0x640000 + (id * 0x1000), (push - disp->evo[id].ptr) << 2);
94 }
95
96 #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
97 #define evo_data(p,d)   *((p)++) = (d)
98
99 static struct drm_crtc *
100 nvd0_display_crtc_get(struct drm_encoder *encoder)
101 {
102         return nouveau_encoder(encoder)->crtc;
103 }
104
105 /******************************************************************************
106  * CRTC
107  *****************************************************************************/
108 static int
109 nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool on, bool update)
110 {
111         struct drm_device *dev = nv_crtc->base.dev;
112         u32 *push, mode;
113
114         mode = 0x00000000;
115         if (on) {
116                 /* 0x11: 6bpc dynamic 2x2
117                  * 0x13: 8bpc dynamic 2x2
118                  * 0x19: 6bpc static 2x2
119                  * 0x1b: 8bpc static 2x2
120                  * 0x21: 6bpc temporal
121                  * 0x23: 8bpc temporal
122                  */
123                 mode = 0x00000011;
124         }
125
126         push = evo_wait(dev, 0, 4);
127         if (push) {
128                 evo_mthd(push, 0x0490 + (nv_crtc->index * 0x300), 1);
129                 evo_data(push, mode);
130                 if (update) {
131                         evo_mthd(push, 0x0080, 1);
132                         evo_data(push, 0x00000000);
133                 }
134                 evo_kick(push, dev, 0);
135         }
136
137         return 0;
138 }
139
140 static int
141 nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, int type, bool update)
142 {
143         struct drm_display_mode *mode = &nv_crtc->base.mode;
144         struct drm_device *dev = nv_crtc->base.dev;
145         u32 *push;
146
147         /*XXX: actually handle scaling */
148
149         push = evo_wait(dev, 0, 16);
150         if (push) {
151                 evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
152                 evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
153                 evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
154                 evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
155                 evo_mthd(push, 0x0494 + (nv_crtc->index * 0x300), 1);
156                 evo_data(push, 0x00000000);
157                 evo_mthd(push, 0x04b0 + (nv_crtc->index * 0x300), 1);
158                 evo_data(push, 0x00000000);
159                 evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
160                 evo_data(push, (mode->vdisplay << 16) | mode->hdisplay);
161                 if (update) {
162                         evo_mthd(push, 0x0080, 1);
163                         evo_data(push, 0x00000000);
164                 }
165                 evo_kick(push, dev, 0);
166         }
167
168         return 0;
169 }
170
171 static int
172 nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
173                     int x, int y, bool update)
174 {
175         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
176         u32 *push;
177
178         push = evo_wait(fb->dev, 0, 16);
179         if (push) {
180                 evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
181                 evo_data(push, nvfb->nvbo->bo.offset >> 8);
182                 evo_mthd(push, 0x0468 + (nv_crtc->index * 0x300), 4);
183                 evo_data(push, (fb->height << 16) | fb->width);
184                 evo_data(push, nvfb->r_pitch);
185                 evo_data(push, nvfb->r_format);
186                 evo_data(push, nvfb->r_dma);
187                 evo_kick(push, fb->dev, 0);
188         }
189
190         nv_crtc->fb.tile_flags = nvfb->r_dma;
191         return 0;
192 }
193
194 static void
195 nvd0_crtc_cursor_show(struct nouveau_crtc *nv_crtc, bool show, bool update)
196 {
197         struct drm_device *dev = nv_crtc->base.dev;
198         u32 *push = evo_wait(dev, 0, 16);
199         if (push) {
200                 if (show) {
201                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
202                         evo_data(push, 0x85000000);
203                         evo_data(push, nv_crtc->cursor.nvbo->bo.offset >> 8);
204                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
205                         evo_data(push, MEM_VRAM);
206                 } else {
207                         evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 1);
208                         evo_data(push, 0x05000000);
209                         evo_mthd(push, 0x048c + (nv_crtc->index * 0x300), 1);
210                         evo_data(push, 0x00000000);
211                 }
212
213                 if (update) {
214                         evo_mthd(push, 0x0080, 1);
215                         evo_data(push, 0x00000000);
216                 }
217
218                 evo_kick(push, dev, 0);
219         }
220 }
221
222 static void
223 nvd0_crtc_dpms(struct drm_crtc *crtc, int mode)
224 {
225 }
226
227 static void
228 nvd0_crtc_prepare(struct drm_crtc *crtc)
229 {
230         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
231         u32 *push;
232
233         push = evo_wait(crtc->dev, 0, 2);
234         if (push) {
235                 evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
236                 evo_data(push, 0x00000000);
237                 evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 1);
238                 evo_data(push, 0x03000000);
239                 evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
240                 evo_data(push, 0x00000000);
241                 evo_kick(push, crtc->dev, 0);
242         }
243
244         nvd0_crtc_cursor_show(nv_crtc, false, false);
245 }
246
247 static void
248 nvd0_crtc_commit(struct drm_crtc *crtc)
249 {
250         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
251         u32 *push;
252
253         push = evo_wait(crtc->dev, 0, 32);
254         if (push) {
255                 evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
256                 evo_data(push, nv_crtc->fb.tile_flags);
257                 evo_mthd(push, 0x0440 + (nv_crtc->index * 0x300), 4);
258                 evo_data(push, 0x83000000);
259                 evo_data(push, nv_crtc->lut.nvbo->bo.offset >> 8);
260                 evo_data(push, 0x00000000);
261                 evo_data(push, 0x00000000);
262                 evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
263                 evo_data(push, MEM_VRAM);
264                 evo_kick(push, crtc->dev, 0);
265         }
266
267         nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true);
268 }
269
270 static bool
271 nvd0_crtc_mode_fixup(struct drm_crtc *crtc, struct drm_display_mode *mode,
272                      struct drm_display_mode *adjusted_mode)
273 {
274         return true;
275 }
276
277 static int
278 nvd0_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
279 {
280         struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->fb);
281         int ret;
282
283         ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM);
284         if (ret)
285                 return ret;
286
287         if (old_fb) {
288                 nvfb = nouveau_framebuffer(old_fb);
289                 nouveau_bo_unpin(nvfb->nvbo);
290         }
291
292         return 0;
293 }
294
295 static int
296 nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
297                    struct drm_display_mode *mode, int x, int y,
298                    struct drm_framebuffer *old_fb)
299 {
300         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
301         struct nouveau_connector *nv_connector;
302         u32 htotal = mode->htotal;
303         u32 vtotal = mode->vtotal;
304         u32 hsyncw = mode->hsync_end - mode->hsync_start - 1;
305         u32 vsyncw = mode->vsync_end - mode->vsync_start - 1;
306         u32 hfrntp = mode->hsync_start - mode->hdisplay;
307         u32 vfrntp = mode->vsync_start - mode->vdisplay;
308         u32 hbackp = mode->htotal - mode->hsync_end;
309         u32 vbackp = mode->vtotal - mode->vsync_end;
310         u32 hss2be = hsyncw + hbackp;
311         u32 vss2be = vsyncw + vbackp;
312         u32 hss2de = htotal - hfrntp;
313         u32 vss2de = vtotal - vfrntp;
314         u32 hstart = 0;
315         u32 vstart = 0;
316         u32 *push;
317         int ret;
318
319         ret = nvd0_crtc_swap_fbs(crtc, old_fb);
320         if (ret)
321                 return ret;
322
323         push = evo_wait(crtc->dev, 0, 64);
324         if (push) {
325                 evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 5);
326                 evo_data(push, (vstart << 16) | hstart);
327                 evo_data(push, (vtotal << 16) | htotal);
328                 evo_data(push, (vsyncw << 16) | hsyncw);
329                 evo_data(push, (vss2be << 16) | hss2be);
330                 evo_data(push, (vss2de << 16) | hss2de);
331                 evo_mthd(push, 0x042c + (nv_crtc->index * 0x300), 1);
332                 evo_data(push, 0x00000000); /* ??? */
333                 evo_mthd(push, 0x0450 + (nv_crtc->index * 0x300), 3);
334                 evo_data(push, mode->clock * 1000);
335                 evo_data(push, 0x00200000); /* ??? */
336                 evo_data(push, mode->clock * 1000);
337                 evo_mthd(push, 0x0408 + (nv_crtc->index * 0x300), 1);
338                 evo_data(push, 0x31ec6000); /* ??? */
339                 evo_kick(push, crtc->dev, 0);
340         }
341
342         nv_connector = nouveau_crtc_connector_get(nv_crtc);
343         nvd0_crtc_set_dither(nv_crtc, nv_connector->use_dithering, false);
344         nvd0_crtc_set_scale(nv_crtc, nv_connector->scaling_mode, false);
345         nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, false);
346         return 0;
347 }
348
349 static int
350 nvd0_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
351                         struct drm_framebuffer *old_fb)
352 {
353         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
354         int ret;
355
356         ret = nvd0_crtc_swap_fbs(crtc, old_fb);
357         if (ret)
358                 return ret;
359
360         nvd0_crtc_set_image(nv_crtc, crtc->fb, x, y, true);
361         return 0;
362 }
363
364 static int
365 nvd0_crtc_mode_set_base_atomic(struct drm_crtc *crtc,
366                                struct drm_framebuffer *fb, int x, int y,
367                                enum mode_set_atomic state)
368 {
369         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
370         nvd0_crtc_set_image(nv_crtc, fb, x, y, true);
371         return 0;
372 }
373
374 static void
375 nvd0_crtc_lut_load(struct drm_crtc *crtc)
376 {
377         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
378         void __iomem *lut = nvbo_kmap_obj_iovirtual(nv_crtc->lut.nvbo);
379         int i;
380
381         for (i = 0; i < 256; i++) {
382                 writew(nv_crtc->lut.r[i] >> 2, lut + 8*i + 0);
383                 writew(nv_crtc->lut.g[i] >> 2, lut + 8*i + 2);
384                 writew(nv_crtc->lut.b[i] >> 2, lut + 8*i + 4);
385         }
386 }
387
388 static int
389 nvd0_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
390                      uint32_t handle, uint32_t width, uint32_t height)
391 {
392         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
393         struct drm_device *dev = crtc->dev;
394         struct drm_gem_object *gem;
395         struct nouveau_bo *nvbo;
396         bool visible = (handle != 0);
397         int i, ret = 0;
398
399         if (visible) {
400                 if (width != 64 || height != 64)
401                         return -EINVAL;
402
403                 gem = drm_gem_object_lookup(dev, file_priv, handle);
404                 if (unlikely(!gem))
405                         return -ENOENT;
406                 nvbo = nouveau_gem_object(gem);
407
408                 ret = nouveau_bo_map(nvbo);
409                 if (ret == 0) {
410                         for (i = 0; i < 64 * 64; i++) {
411                                 u32 v = nouveau_bo_rd32(nvbo, i);
412                                 nouveau_bo_wr32(nv_crtc->cursor.nvbo, i, v);
413                         }
414                         nouveau_bo_unmap(nvbo);
415                 }
416
417                 drm_gem_object_unreference_unlocked(gem);
418         }
419
420         if (visible != nv_crtc->cursor.visible) {
421                 nvd0_crtc_cursor_show(nv_crtc, visible, true);
422                 nv_crtc->cursor.visible = visible;
423         }
424
425         return ret;
426 }
427
428 static int
429 nvd0_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
430 {
431         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
432         const u32 data = (y << 16) | x;
433
434         nv_wr32(crtc->dev, 0x64d084 + (nv_crtc->index * 0x1000), data);
435         nv_wr32(crtc->dev, 0x64d080 + (nv_crtc->index * 0x1000), 0x00000000);
436         return 0;
437 }
438
439 static void
440 nvd0_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
441                     uint32_t start, uint32_t size)
442 {
443         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
444         u32 end = max(start + size, (u32)256);
445         u32 i;
446
447         for (i = start; i < end; i++) {
448                 nv_crtc->lut.r[i] = r[i];
449                 nv_crtc->lut.g[i] = g[i];
450                 nv_crtc->lut.b[i] = b[i];
451         }
452
453         nvd0_crtc_lut_load(crtc);
454 }
455
456 static void
457 nvd0_crtc_destroy(struct drm_crtc *crtc)
458 {
459         struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
460         nouveau_bo_unmap(nv_crtc->cursor.nvbo);
461         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
462         nouveau_bo_unmap(nv_crtc->lut.nvbo);
463         nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
464         drm_crtc_cleanup(crtc);
465         kfree(crtc);
466 }
467
468 static const struct drm_crtc_helper_funcs nvd0_crtc_hfunc = {
469         .dpms = nvd0_crtc_dpms,
470         .prepare = nvd0_crtc_prepare,
471         .commit = nvd0_crtc_commit,
472         .mode_fixup = nvd0_crtc_mode_fixup,
473         .mode_set = nvd0_crtc_mode_set,
474         .mode_set_base = nvd0_crtc_mode_set_base,
475         .mode_set_base_atomic = nvd0_crtc_mode_set_base_atomic,
476         .load_lut = nvd0_crtc_lut_load,
477 };
478
479 static const struct drm_crtc_funcs nvd0_crtc_func = {
480         .cursor_set = nvd0_crtc_cursor_set,
481         .cursor_move = nvd0_crtc_cursor_move,
482         .gamma_set = nvd0_crtc_gamma_set,
483         .set_config = drm_crtc_helper_set_config,
484         .destroy = nvd0_crtc_destroy,
485 };
486
487 static int
488 nvd0_crtc_create(struct drm_device *dev, int index)
489 {
490         struct nouveau_crtc *nv_crtc;
491         struct drm_crtc *crtc;
492         int ret, i;
493
494         nv_crtc = kzalloc(sizeof(*nv_crtc), GFP_KERNEL);
495         if (!nv_crtc)
496                 return -ENOMEM;
497
498         nv_crtc->index = index;
499         nv_crtc->set_dither = nvd0_crtc_set_dither;
500         nv_crtc->set_scale = nvd0_crtc_set_scale;
501         for (i = 0; i < 256; i++) {
502                 nv_crtc->lut.r[i] = i << 8;
503                 nv_crtc->lut.g[i] = i << 8;
504                 nv_crtc->lut.b[i] = i << 8;
505         }
506
507         crtc = &nv_crtc->base;
508         drm_crtc_init(dev, crtc, &nvd0_crtc_func);
509         drm_crtc_helper_add(crtc, &nvd0_crtc_hfunc);
510         drm_mode_crtc_set_gamma_size(crtc, 256);
511
512         ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
513                              0, 0x0000, &nv_crtc->cursor.nvbo);
514         if (!ret) {
515                 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
516                 if (!ret)
517                         ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
518                 if (ret)
519                         nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
520         }
521
522         if (ret)
523                 goto out;
524
525         ret = nouveau_bo_new(dev, 4096, 0x100, TTM_PL_FLAG_VRAM,
526                              0, 0x0000, &nv_crtc->lut.nvbo);
527         if (!ret) {
528                 ret = nouveau_bo_pin(nv_crtc->lut.nvbo, TTM_PL_FLAG_VRAM);
529                 if (!ret)
530                         ret = nouveau_bo_map(nv_crtc->lut.nvbo);
531                 if (ret)
532                         nouveau_bo_ref(NULL, &nv_crtc->lut.nvbo);
533         }
534
535         if (ret)
536                 goto out;
537
538         nvd0_crtc_lut_load(crtc);
539
540 out:
541         if (ret)
542                 nvd0_crtc_destroy(crtc);
543         return ret;
544 }
545
546 /******************************************************************************
547  * DAC
548  *****************************************************************************/
549 static void
550 nvd0_dac_dpms(struct drm_encoder *encoder, int mode)
551 {
552         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
553         struct drm_device *dev = encoder->dev;
554         int or = nv_encoder->or;
555         u32 dpms_ctrl;
556
557         dpms_ctrl = 0x80000000;
558         if (mode == DRM_MODE_DPMS_STANDBY || mode == DRM_MODE_DPMS_OFF)
559                 dpms_ctrl |= 0x00000001;
560         if (mode == DRM_MODE_DPMS_SUSPEND || mode == DRM_MODE_DPMS_OFF)
561                 dpms_ctrl |= 0x00000004;
562
563         nv_wait(dev, 0x61a004 + (or * 0x0800), 0x80000000, 0x00000000);
564         nv_mask(dev, 0x61a004 + (or * 0x0800), 0xc000007f, dpms_ctrl);
565         nv_wait(dev, 0x61a004 + (or * 0x0800), 0x80000000, 0x00000000);
566 }
567
568 static bool
569 nvd0_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
570                     struct drm_display_mode *adjusted_mode)
571 {
572         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
573         struct nouveau_connector *nv_connector;
574
575         nv_connector = nouveau_encoder_connector_get(nv_encoder);
576         if (nv_connector && nv_connector->native_mode) {
577                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
578                         int id = adjusted_mode->base.id;
579                         *adjusted_mode = *nv_connector->native_mode;
580                         adjusted_mode->base.id = id;
581                 }
582         }
583
584         return true;
585 }
586
587 static void
588 nvd0_dac_prepare(struct drm_encoder *encoder)
589 {
590 }
591
592 static void
593 nvd0_dac_commit(struct drm_encoder *encoder)
594 {
595 }
596
597 static void
598 nvd0_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
599                   struct drm_display_mode *adjusted_mode)
600 {
601         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
602         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
603         u32 *push;
604
605         nvd0_dac_dpms(encoder, DRM_MODE_DPMS_ON);
606
607         push = evo_wait(encoder->dev, 0, 2);
608         if (push) {
609                 evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 1);
610                 evo_data(push, 1 << nv_crtc->index);
611                 evo_kick(push, encoder->dev, 0);
612         }
613
614         nv_encoder->crtc = encoder->crtc;
615 }
616
617 static void
618 nvd0_dac_disconnect(struct drm_encoder *encoder)
619 {
620         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
621         struct drm_device *dev = encoder->dev;
622         u32 *push;
623
624         if (nv_encoder->crtc) {
625                 nvd0_crtc_prepare(nv_encoder->crtc);
626
627                 push = evo_wait(dev, 0, 4);
628                 if (push) {
629                         evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 1);
630                         evo_data(push, 0x00000000);
631                         evo_mthd(push, 0x0080, 1);
632                         evo_data(push, 0x00000000);
633                         evo_kick(push, dev, 0);
634                 }
635
636                 nv_encoder->crtc = NULL;
637         }
638 }
639
640 static enum drm_connector_status
641 nvd0_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
642 {
643         return connector_status_disconnected;
644 }
645
646 static void
647 nvd0_dac_destroy(struct drm_encoder *encoder)
648 {
649         drm_encoder_cleanup(encoder);
650         kfree(encoder);
651 }
652
653 static const struct drm_encoder_helper_funcs nvd0_dac_hfunc = {
654         .dpms = nvd0_dac_dpms,
655         .mode_fixup = nvd0_dac_mode_fixup,
656         .prepare = nvd0_dac_prepare,
657         .commit = nvd0_dac_commit,
658         .mode_set = nvd0_dac_mode_set,
659         .disable = nvd0_dac_disconnect,
660         .get_crtc = nvd0_display_crtc_get,
661         .detect = nvd0_dac_detect
662 };
663
664 static const struct drm_encoder_funcs nvd0_dac_func = {
665         .destroy = nvd0_dac_destroy,
666 };
667
668 static int
669 nvd0_dac_create(struct drm_connector *connector, struct dcb_entry *dcbe)
670 {
671         struct drm_device *dev = connector->dev;
672         struct nouveau_encoder *nv_encoder;
673         struct drm_encoder *encoder;
674
675         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
676         if (!nv_encoder)
677                 return -ENOMEM;
678         nv_encoder->dcb = dcbe;
679         nv_encoder->or = ffs(dcbe->or) - 1;
680
681         encoder = to_drm_encoder(nv_encoder);
682         encoder->possible_crtcs = dcbe->heads;
683         encoder->possible_clones = 0;
684         drm_encoder_init(dev, encoder, &nvd0_dac_func, DRM_MODE_ENCODER_DAC);
685         drm_encoder_helper_add(encoder, &nvd0_dac_hfunc);
686
687         drm_mode_connector_attach_encoder(connector, encoder);
688         return 0;
689 }
690
691 /******************************************************************************
692  * SOR
693  *****************************************************************************/
694 static void
695 nvd0_sor_dpms(struct drm_encoder *encoder, int mode)
696 {
697         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
698         struct drm_device *dev = encoder->dev;
699         struct drm_encoder *partner;
700         int or = nv_encoder->or;
701         u32 dpms_ctrl;
702
703         nv_encoder->last_dpms = mode;
704
705         list_for_each_entry(partner, &dev->mode_config.encoder_list, head) {
706                 struct nouveau_encoder *nv_partner = nouveau_encoder(partner);
707
708                 if (partner->encoder_type != DRM_MODE_ENCODER_TMDS)
709                         continue;
710
711                 if (nv_partner != nv_encoder &&
712                     nv_partner->dcb->or == nv_encoder->or) {
713                         if (nv_partner->last_dpms == DRM_MODE_DPMS_ON)
714                                 return;
715                         break;
716                 }
717         }
718
719         dpms_ctrl  = (mode == DRM_MODE_DPMS_ON);
720         dpms_ctrl |= 0x80000000;
721
722         nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000);
723         nv_mask(dev, 0x61c004 + (or * 0x0800), 0x80000001, dpms_ctrl);
724         nv_wait(dev, 0x61c004 + (or * 0x0800), 0x80000000, 0x00000000);
725         nv_wait(dev, 0x61c030 + (or * 0x0800), 0x10000000, 0x00000000);
726 }
727
728 static bool
729 nvd0_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
730                     struct drm_display_mode *adjusted_mode)
731 {
732         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
733         struct nouveau_connector *nv_connector;
734
735         nv_connector = nouveau_encoder_connector_get(nv_encoder);
736         if (nv_connector && nv_connector->native_mode) {
737                 if (nv_connector->scaling_mode != DRM_MODE_SCALE_NONE) {
738                         int id = adjusted_mode->base.id;
739                         *adjusted_mode = *nv_connector->native_mode;
740                         adjusted_mode->base.id = id;
741                 }
742         }
743
744         return true;
745 }
746
747 static void
748 nvd0_sor_prepare(struct drm_encoder *encoder)
749 {
750 }
751
752 static void
753 nvd0_sor_commit(struct drm_encoder *encoder)
754 {
755 }
756
757 static void
758 nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
759                   struct drm_display_mode *adjusted_mode)
760 {
761         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
762         struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
763         u32 mode_ctrl = (1 << nv_crtc->index);
764         u32 *push;
765
766         if (nv_encoder->dcb->sorconf.link & 1) {
767                 if (adjusted_mode->clock < 165000)
768                         mode_ctrl |= 0x00000100;
769                 else
770                         mode_ctrl |= 0x00000500;
771         } else {
772                 mode_ctrl |= 0x00000200;
773         }
774
775         nvd0_sor_dpms(encoder, DRM_MODE_DPMS_ON);
776
777         push = evo_wait(encoder->dev, 0, 2);
778         if (push) {
779                 evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
780                 evo_data(push, mode_ctrl);
781                 evo_kick(push, encoder->dev, 0);
782         }
783
784         nv_encoder->crtc = encoder->crtc;
785 }
786
787 static void
788 nvd0_sor_disconnect(struct drm_encoder *encoder)
789 {
790         struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
791         struct drm_device *dev = encoder->dev;
792         u32 *push;
793
794         if (nv_encoder->crtc) {
795                 nvd0_crtc_prepare(nv_encoder->crtc);
796
797                 push = evo_wait(dev, 0, 4);
798                 if (push) {
799                         evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
800                         evo_data(push, 0x00000000);
801                         evo_mthd(push, 0x0080, 1);
802                         evo_data(push, 0x00000000);
803                         evo_kick(push, dev, 0);
804                 }
805
806                 nv_encoder->crtc = NULL;
807                 nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
808         }
809 }
810
811 static void
812 nvd0_sor_destroy(struct drm_encoder *encoder)
813 {
814         drm_encoder_cleanup(encoder);
815         kfree(encoder);
816 }
817
818 static const struct drm_encoder_helper_funcs nvd0_sor_hfunc = {
819         .dpms = nvd0_sor_dpms,
820         .mode_fixup = nvd0_sor_mode_fixup,
821         .prepare = nvd0_sor_prepare,
822         .commit = nvd0_sor_commit,
823         .mode_set = nvd0_sor_mode_set,
824         .disable = nvd0_sor_disconnect,
825         .get_crtc = nvd0_display_crtc_get,
826 };
827
828 static const struct drm_encoder_funcs nvd0_sor_func = {
829         .destroy = nvd0_sor_destroy,
830 };
831
832 static int
833 nvd0_sor_create(struct drm_connector *connector, struct dcb_entry *dcbe)
834 {
835         struct drm_device *dev = connector->dev;
836         struct nouveau_encoder *nv_encoder;
837         struct drm_encoder *encoder;
838
839         nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
840         if (!nv_encoder)
841                 return -ENOMEM;
842         nv_encoder->dcb = dcbe;
843         nv_encoder->or = ffs(dcbe->or) - 1;
844         nv_encoder->last_dpms = DRM_MODE_DPMS_OFF;
845
846         encoder = to_drm_encoder(nv_encoder);
847         encoder->possible_crtcs = dcbe->heads;
848         encoder->possible_clones = 0;
849         drm_encoder_init(dev, encoder, &nvd0_sor_func, DRM_MODE_ENCODER_TMDS);
850         drm_encoder_helper_add(encoder, &nvd0_sor_hfunc);
851
852         drm_mode_connector_attach_encoder(connector, encoder);
853         return 0;
854 }
855
856 /******************************************************************************
857  * IRQ
858  *****************************************************************************/
859 static void
860 nvd0_display_unk1_handler(struct drm_device *dev)
861 {
862         NV_INFO(dev, "PDISP: 1 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
863                 nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
864
865         nv_wr32(dev, 0x6101d4, 0x00000000);
866         nv_wr32(dev, 0x6109d4, 0x00000000);
867         nv_wr32(dev, 0x6101d0, 0x80000000);
868 }
869
870 static void
871 nvd0_display_unk2_handler(struct drm_device *dev)
872 {
873         NV_INFO(dev, "PDISP: 2 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
874                 nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
875
876         nv_wr32(dev, 0x6101d4, 0x00000000);
877         nv_wr32(dev, 0x6109d4, 0x00000000);
878         nv_wr32(dev, 0x6101d0, 0x80000000);
879 }
880
881 static void
882 nvd0_display_unk4_handler(struct drm_device *dev)
883 {
884         NV_INFO(dev, "PDISP: 4 0x%08x 0x%08x 0x%08x\n", nv_rd32(dev, 0x6101d0),
885                 nv_rd32(dev, 0x6101d4), nv_rd32(dev, 0x6109d4));
886
887         nv_wr32(dev, 0x6101d4, 0x00000000);
888         nv_wr32(dev, 0x6109d4, 0x00000000);
889         nv_wr32(dev, 0x6101d0, 0x80000000);
890 }
891
892 static void
893 nvd0_display_intr(struct drm_device *dev)
894 {
895         u32 intr = nv_rd32(dev, 0x610088);
896
897         if (intr & 0x00000002) {
898                 u32 stat = nv_rd32(dev, 0x61009c);
899                 int chid = ffs(stat) - 1;
900                 if (chid >= 0) {
901                         u32 mthd = nv_rd32(dev, 0x6101f0 + (chid * 12));
902                         u32 data = nv_rd32(dev, 0x6101f4 + (chid * 12));
903                         u32 unkn = nv_rd32(dev, 0x6101f8 + (chid * 12));
904
905                         NV_INFO(dev, "EvoCh: chid %d mthd 0x%04x data 0x%08x "
906                                      "0x%08x 0x%08x\n",
907                                 chid, (mthd & 0x0000ffc), data, mthd, unkn);
908                         nv_wr32(dev, 0x61009c, (1 << chid));
909                         nv_wr32(dev, 0x6101f0 + (chid * 12), 0x90000000);
910                 }
911
912                 intr &= ~0x00000002;
913         }
914
915         if (intr & 0x00100000) {
916                 u32 stat = nv_rd32(dev, 0x6100ac);
917
918                 if (stat & 0x00000007) {
919                         nv_wr32(dev, 0x6100ac, (stat & 0x00000007));
920
921                         if (stat & 0x00000001)
922                                 nvd0_display_unk1_handler(dev);
923                         if (stat & 0x00000002)
924                                 nvd0_display_unk2_handler(dev);
925                         if (stat & 0x00000004)
926                                 nvd0_display_unk4_handler(dev);
927                         stat &= ~0x00000007;
928                 }
929
930                 if (stat) {
931                         NV_INFO(dev, "PDISP: unknown intr24 0x%08x\n", stat);
932                         nv_wr32(dev, 0x6100ac, stat);
933                 }
934
935                 intr &= ~0x00100000;
936         }
937
938         if (intr & 0x01000000) {
939                 u32 stat = nv_rd32(dev, 0x6100bc);
940                 nv_wr32(dev, 0x6100bc, stat);
941                 intr &= ~0x01000000;
942         }
943
944         if (intr & 0x02000000) {
945                 u32 stat = nv_rd32(dev, 0x6108bc);
946                 nv_wr32(dev, 0x6108bc, stat);
947                 intr &= ~0x02000000;
948         }
949
950         if (intr)
951                 NV_INFO(dev, "PDISP: unknown intr 0x%08x\n", intr);
952 }
953
954 /******************************************************************************
955  * Init
956  *****************************************************************************/
957 static void
958 nvd0_display_fini(struct drm_device *dev)
959 {
960         int i;
961
962         /* fini cursors */
963         for (i = 14; i >= 13; i--) {
964                 if (!(nv_rd32(dev, 0x610490 + (i * 0x10)) & 0x00000001))
965                         continue;
966
967                 nv_mask(dev, 0x610490 + (i * 0x10), 0x00000001, 0x00000000);
968                 nv_wait(dev, 0x610490 + (i * 0x10), 0x00010000, 0x00000000);
969                 nv_mask(dev, 0x610090, 1 << i, 0x00000000);
970                 nv_mask(dev, 0x6100a0, 1 << i, 0x00000000);
971         }
972
973         /* fini master */
974         if (nv_rd32(dev, 0x610490) & 0x00000010) {
975                 nv_mask(dev, 0x610490, 0x00000010, 0x00000000);
976                 nv_mask(dev, 0x610490, 0x00000003, 0x00000000);
977                 nv_wait(dev, 0x610490, 0x80000000, 0x00000000);
978                 nv_mask(dev, 0x610090, 0x00000001, 0x00000000);
979                 nv_mask(dev, 0x6100a0, 0x00000001, 0x00000000);
980         }
981 }
982
983 int
984 nvd0_display_init(struct drm_device *dev)
985 {
986         struct nvd0_display *disp = nvd0_display(dev);
987         u32 *push;
988         int i;
989
990         if (nv_rd32(dev, 0x6100ac) & 0x00000100) {
991                 nv_wr32(dev, 0x6100ac, 0x00000100);
992                 nv_mask(dev, 0x6194e8, 0x00000001, 0x00000000);
993                 if (!nv_wait(dev, 0x6194e8, 0x00000002, 0x00000000)) {
994                         NV_ERROR(dev, "PDISP: 0x6194e8 0x%08x\n",
995                                  nv_rd32(dev, 0x6194e8));
996                         return -EBUSY;
997                 }
998         }
999
1000         /* nfi what these are exactly, i do know that SOR_MODE_CTRL won't
1001          * work at all unless you do the SOR part below.
1002          */
1003         for (i = 0; i < 3; i++) {
1004                 u32 dac = nv_rd32(dev, 0x61a000 + (i * 0x800));
1005                 nv_wr32(dev, 0x6101c0 + (i * 0x800), dac);
1006         }
1007
1008         for (i = 0; i < 4; i++) {
1009                 u32 sor = nv_rd32(dev, 0x61c000 + (i * 0x800));
1010                 nv_wr32(dev, 0x6301c4 + (i * 0x800), sor);
1011         }
1012
1013         for (i = 0; i < 2; i++) {
1014                 u32 crtc0 = nv_rd32(dev, 0x616104 + (i * 0x800));
1015                 u32 crtc1 = nv_rd32(dev, 0x616108 + (i * 0x800));
1016                 u32 crtc2 = nv_rd32(dev, 0x61610c + (i * 0x800));
1017                 nv_wr32(dev, 0x6101b4 + (i * 0x800), crtc0);
1018                 nv_wr32(dev, 0x6101b8 + (i * 0x800), crtc1);
1019                 nv_wr32(dev, 0x6101bc + (i * 0x800), crtc2);
1020         }
1021
1022         /* point at our hash table / objects, enable interrupts */
1023         nv_wr32(dev, 0x610010, (disp->mem->vinst >> 8) | 9);
1024         nv_mask(dev, 0x6100b0, 0x00000307, 0x00000307);
1025
1026         /* init master */
1027         nv_wr32(dev, 0x610494, (disp->evo[0].handle >> 8) | 3);
1028         nv_wr32(dev, 0x610498, 0x00010000);
1029         nv_wr32(dev, 0x61049c, 0x00000001);
1030         nv_mask(dev, 0x610490, 0x00000010, 0x00000010);
1031         nv_wr32(dev, 0x640000, 0x00000000);
1032         nv_wr32(dev, 0x610490, 0x01000013);
1033         if (!nv_wait(dev, 0x610490, 0x80000000, 0x00000000)) {
1034                 NV_ERROR(dev, "PDISP: master 0x%08x\n",
1035                          nv_rd32(dev, 0x610490));
1036                 return -EBUSY;
1037         }
1038         nv_mask(dev, 0x610090, 0x00000001, 0x00000001);
1039         nv_mask(dev, 0x6100a0, 0x00000001, 0x00000001);
1040
1041         /* init cursors */
1042         for (i = 13; i <= 14; i++) {
1043                 nv_wr32(dev, 0x610490 + (i * 0x10), 0x00000001);
1044                 if (!nv_wait(dev, 0x610490 + (i * 0x10), 0x00010000, 0x00010000)) {
1045                         NV_ERROR(dev, "PDISP: curs%d 0x%08x\n", i,
1046                                  nv_rd32(dev, 0x610490 + (i * 0x10)));
1047                         return -EBUSY;
1048                 }
1049
1050                 nv_mask(dev, 0x610090, 1 << i, 1 << i);
1051                 nv_mask(dev, 0x6100a0, 1 << i, 1 << i);
1052         }
1053
1054         push = evo_wait(dev, 0, 32);
1055         if (!push)
1056                 return -EBUSY;
1057         evo_mthd(push, 0x0088, 1);
1058         evo_data(push, MEM_SYNC);
1059         evo_mthd(push, 0x0084, 1);
1060         evo_data(push, 0x00000000);
1061         evo_mthd(push, 0x0084, 1);
1062         evo_data(push, 0x80000000);
1063         evo_mthd(push, 0x008c, 1);
1064         evo_data(push, 0x00000000);
1065         evo_kick(push, dev, 0);
1066
1067         return 0;
1068 }
1069
1070 void
1071 nvd0_display_destroy(struct drm_device *dev)
1072 {
1073         struct drm_nouveau_private *dev_priv = dev->dev_private;
1074         struct nvd0_display *disp = nvd0_display(dev);
1075         struct pci_dev *pdev = dev->pdev;
1076
1077         nvd0_display_fini(dev);
1078
1079         pci_free_consistent(pdev, PAGE_SIZE, disp->evo[0].ptr, disp->evo[0].handle);
1080         nouveau_gpuobj_ref(NULL, &disp->mem);
1081         nouveau_irq_unregister(dev, 26);
1082
1083         dev_priv->engine.display.priv = NULL;
1084         kfree(disp);
1085 }
1086
1087 int
1088 nvd0_display_create(struct drm_device *dev)
1089 {
1090         struct drm_nouveau_private *dev_priv = dev->dev_private;
1091         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
1092         struct dcb_table *dcb = &dev_priv->vbios.dcb;
1093         struct drm_connector *connector, *tmp;
1094         struct pci_dev *pdev = dev->pdev;
1095         struct nvd0_display *disp;
1096         struct dcb_entry *dcbe;
1097         int ret, i;
1098
1099         disp = kzalloc(sizeof(*disp), GFP_KERNEL);
1100         if (!disp)
1101                 return -ENOMEM;
1102         dev_priv->engine.display.priv = disp;
1103
1104         /* create crtc objects to represent the hw heads */
1105         for (i = 0; i < 2; i++) {
1106                 ret = nvd0_crtc_create(dev, i);
1107                 if (ret)
1108                         goto out;
1109         }
1110
1111         /* create encoder/connector objects based on VBIOS DCB table */
1112         for (i = 0, dcbe = &dcb->entry[0]; i < dcb->entries; i++, dcbe++) {
1113                 connector = nouveau_connector_create(dev, dcbe->connector);
1114                 if (IS_ERR(connector))
1115                         continue;
1116
1117                 if (dcbe->location != DCB_LOC_ON_CHIP) {
1118                         NV_WARN(dev, "skipping off-chip encoder %d/%d\n",
1119                                 dcbe->type, ffs(dcbe->or) - 1);
1120                         continue;
1121                 }
1122
1123                 switch (dcbe->type) {
1124                 case OUTPUT_TMDS:
1125                         nvd0_sor_create(connector, dcbe);
1126                         break;
1127                 case OUTPUT_ANALOG:
1128                         nvd0_dac_create(connector, dcbe);
1129                         break;
1130                 default:
1131                         NV_WARN(dev, "skipping unsupported encoder %d/%d\n",
1132                                 dcbe->type, ffs(dcbe->or) - 1);
1133                         continue;
1134                 }
1135         }
1136
1137         /* cull any connectors we created that don't have an encoder */
1138         list_for_each_entry_safe(connector, tmp, &dev->mode_config.connector_list, head) {
1139                 if (connector->encoder_ids[0])
1140                         continue;
1141
1142                 NV_WARN(dev, "%s has no encoders, removing\n",
1143                         drm_get_connector_name(connector));
1144                 connector->funcs->destroy(connector);
1145         }
1146
1147         /* setup interrupt handling */
1148         nouveau_irq_register(dev, 26, nvd0_display_intr);
1149
1150         /* hash table and dma objects for the memory areas we care about */
1151         ret = nouveau_gpuobj_new(dev, NULL, 0x4000, 0x10000,
1152                                  NVOBJ_FLAG_ZERO_ALLOC, &disp->mem);
1153         if (ret)
1154                 goto out;
1155
1156         nv_wo32(disp->mem, 0x1000, 0x00000049);
1157         nv_wo32(disp->mem, 0x1004, (disp->mem->vinst + 0x2000) >> 8);
1158         nv_wo32(disp->mem, 0x1008, (disp->mem->vinst + 0x2fff) >> 8);
1159         nv_wo32(disp->mem, 0x100c, 0x00000000);
1160         nv_wo32(disp->mem, 0x1010, 0x00000000);
1161         nv_wo32(disp->mem, 0x1014, 0x00000000);
1162         nv_wo32(disp->mem, 0x0000, MEM_SYNC);
1163         nv_wo32(disp->mem, 0x0004, (0x1000 << 9) | 0x00000001);
1164
1165         nv_wo32(disp->mem, 0x1020, 0x00000049);
1166         nv_wo32(disp->mem, 0x1024, 0x00000000);
1167         nv_wo32(disp->mem, 0x1028, (dev_priv->vram_size - 1) >> 8);
1168         nv_wo32(disp->mem, 0x102c, 0x00000000);
1169         nv_wo32(disp->mem, 0x1030, 0x00000000);
1170         nv_wo32(disp->mem, 0x1034, 0x00000000);
1171         nv_wo32(disp->mem, 0x0008, MEM_VRAM);
1172         nv_wo32(disp->mem, 0x000c, (0x1020 << 9) | 0x00000001);
1173
1174         nv_wo32(disp->mem, 0x1040, 0x00000009);
1175         nv_wo32(disp->mem, 0x1044, 0x00000000);
1176         nv_wo32(disp->mem, 0x1048, (dev_priv->vram_size - 1) >> 8);
1177         nv_wo32(disp->mem, 0x104c, 0x00000000);
1178         nv_wo32(disp->mem, 0x1050, 0x00000000);
1179         nv_wo32(disp->mem, 0x1054, 0x00000000);
1180         nv_wo32(disp->mem, 0x0010, NvEvoVRAM_LP);
1181         nv_wo32(disp->mem, 0x0014, (0x1040 << 9) | 0x00000001);
1182
1183         nv_wo32(disp->mem, 0x1060, 0x0fe00009);
1184         nv_wo32(disp->mem, 0x1064, 0x00000000);
1185         nv_wo32(disp->mem, 0x1068, (dev_priv->vram_size - 1) >> 8);
1186         nv_wo32(disp->mem, 0x106c, 0x00000000);
1187         nv_wo32(disp->mem, 0x1070, 0x00000000);
1188         nv_wo32(disp->mem, 0x1074, 0x00000000);
1189         nv_wo32(disp->mem, 0x0018, NvEvoFB32);
1190         nv_wo32(disp->mem, 0x001c, (0x1060 << 9) | 0x00000001);
1191
1192         pinstmem->flush(dev);
1193
1194         /* push buffers for evo channels */
1195         disp->evo[0].ptr =
1196                 pci_alloc_consistent(pdev, PAGE_SIZE, &disp->evo[0].handle);
1197         if (!disp->evo[0].ptr) {
1198                 ret = -ENOMEM;
1199                 goto out;
1200         }
1201
1202         ret = nvd0_display_init(dev);
1203         if (ret)
1204                 goto out;
1205
1206 out:
1207         if (ret)
1208                 nvd0_display_destroy(dev);
1209         return ret;
1210 }