1 | /* |
2 | * Copyright 2009 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 | * Author: Ben Skeggs |
23 | */ |
24 | |
25 | #include <drm/drm_crtc_helper.h> |
26 | |
27 | #include "nouveau_drv.h" |
28 | #include "nouveau_reg.h" |
29 | #include "hw.h" |
30 | #include "nouveau_encoder.h" |
31 | #include "nouveau_connector.h" |
32 | #include "nouveau_bo.h" |
33 | #include "nouveau_gem.h" |
34 | #include "nouveau_chan.h" |
35 | |
36 | #include <nvif/if0004.h> |
37 | |
38 | struct nouveau_connector * |
39 | nv04_encoder_get_connector(struct nouveau_encoder *encoder) |
40 | { |
41 | struct drm_device *dev = to_drm_encoder(encoder)->dev; |
42 | struct drm_connector *connector; |
43 | struct drm_connector_list_iter conn_iter; |
44 | struct nouveau_connector *nv_connector = NULL; |
45 | |
46 | drm_connector_list_iter_begin(dev, &conn_iter); |
47 | drm_for_each_connector_iter(connector, &conn_iter) { |
48 | if (connector->encoder == to_drm_encoder(encoder)) |
49 | nv_connector = nouveau_connector(connector); |
50 | } |
51 | drm_connector_list_iter_end(&conn_iter); |
52 | |
53 | return nv_connector; |
54 | } |
55 | |
56 | static void |
57 | nv04_display_fini(struct drm_device *dev, bool runtime, bool suspend) |
58 | { |
59 | struct nouveau_drm *drm = nouveau_drm(dev); |
60 | struct nv04_display *disp = nv04_display(dev); |
61 | struct drm_crtc *crtc; |
62 | |
63 | /* Disable flip completion events. */ |
64 | nvif_event_block(&disp->flip); |
65 | |
66 | /* Disable vblank interrupts. */ |
67 | NVWriteCRTC(dev, head: 0, NV_PCRTC_INTR_EN_0, val: 0); |
68 | if (nv_two_heads(dev)) |
69 | NVWriteCRTC(dev, head: 1, NV_PCRTC_INTR_EN_0, val: 0); |
70 | |
71 | if (!runtime) |
72 | cancel_work_sync(&drm->hpd_work); |
73 | |
74 | if (!suspend) |
75 | return; |
76 | |
77 | /* Un-pin FB and cursors so they'll be evicted to system memory. */ |
78 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
79 | struct drm_framebuffer *fb = crtc->primary->fb; |
80 | struct nouveau_bo *nvbo; |
81 | |
82 | if (!fb || !fb->obj[0]) |
83 | continue; |
84 | nvbo = nouveau_gem_object(fb->obj[0]); |
85 | nouveau_bo_unpin(nvbo); |
86 | } |
87 | |
88 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
89 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
90 | if (nv_crtc->cursor.nvbo) { |
91 | if (nv_crtc->cursor.set_offset) |
92 | nouveau_bo_unmap(nv_crtc->cursor.nvbo); |
93 | nouveau_bo_unpin(nv_crtc->cursor.nvbo); |
94 | } |
95 | } |
96 | } |
97 | |
98 | static int |
99 | nv04_display_init(struct drm_device *dev, bool resume, bool runtime) |
100 | { |
101 | struct nv04_display *disp = nv04_display(dev); |
102 | struct nouveau_drm *drm = nouveau_drm(dev); |
103 | struct nouveau_encoder *encoder; |
104 | struct drm_crtc *crtc; |
105 | int ret; |
106 | |
107 | /* meh.. modeset apparently doesn't setup all the regs and depends |
108 | * on pre-existing state, for now load the state of the card *before* |
109 | * nouveau was loaded, and then do a modeset. |
110 | * |
111 | * best thing to do probably is to make save/restore routines not |
112 | * save/restore "pre-load" state, but more general so we can save |
113 | * on suspend too. |
114 | */ |
115 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
116 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
117 | nv_crtc->save(&nv_crtc->base); |
118 | } |
119 | |
120 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head) |
121 | encoder->enc_save(&encoder->base.base); |
122 | |
123 | /* Enable flip completion events. */ |
124 | nvif_event_allow(&disp->flip); |
125 | |
126 | if (!resume) |
127 | return 0; |
128 | |
129 | /* Re-pin FB/cursors. */ |
130 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
131 | struct drm_framebuffer *fb = crtc->primary->fb; |
132 | struct nouveau_bo *nvbo; |
133 | |
134 | if (!fb || !fb->obj[0]) |
135 | continue; |
136 | nvbo = nouveau_gem_object(fb->obj[0]); |
137 | ret = nouveau_bo_pin(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, true); |
138 | if (ret) |
139 | NV_ERROR(drm, "Could not pin framebuffer\n" ); |
140 | } |
141 | |
142 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
143 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
144 | if (!nv_crtc->cursor.nvbo) |
145 | continue; |
146 | |
147 | ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, |
148 | NOUVEAU_GEM_DOMAIN_VRAM, true); |
149 | if (!ret && nv_crtc->cursor.set_offset) |
150 | ret = nouveau_bo_map(nv_crtc->cursor.nvbo); |
151 | if (ret) |
152 | NV_ERROR(drm, "Could not pin/map cursor.\n" ); |
153 | } |
154 | |
155 | /* Force CLUT to get re-loaded during modeset. */ |
156 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
157 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
158 | |
159 | nv_crtc->lut.depth = 0; |
160 | } |
161 | |
162 | /* This should ensure we don't hit a locking problem when someone |
163 | * wakes us up via a connector. We should never go into suspend |
164 | * while the display is on anyways. |
165 | */ |
166 | if (runtime) |
167 | return 0; |
168 | |
169 | /* Restore mode. */ |
170 | drm_helper_resume_force_mode(dev); |
171 | |
172 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { |
173 | struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); |
174 | |
175 | if (!nv_crtc->cursor.nvbo) |
176 | continue; |
177 | |
178 | if (nv_crtc->cursor.set_offset) |
179 | nv_crtc->cursor.set_offset(nv_crtc, |
180 | nv_crtc->cursor.nvbo->offset); |
181 | nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x, |
182 | nv_crtc->cursor_saved_y); |
183 | } |
184 | |
185 | return 0; |
186 | } |
187 | |
188 | static void |
189 | nv04_display_destroy(struct drm_device *dev) |
190 | { |
191 | struct nv04_display *disp = nv04_display(dev); |
192 | struct nouveau_drm *drm = nouveau_drm(dev); |
193 | struct nouveau_encoder *encoder; |
194 | struct nouveau_crtc *nv_crtc; |
195 | |
196 | /* Restore state */ |
197 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.base.head) |
198 | encoder->enc_restore(&encoder->base.base); |
199 | |
200 | list_for_each_entry(nv_crtc, &dev->mode_config.crtc_list, base.head) |
201 | nv_crtc->restore(&nv_crtc->base); |
202 | |
203 | nouveau_hw_save_vga_fonts(dev, save: 0); |
204 | |
205 | nvif_event_dtor(&disp->flip); |
206 | |
207 | nouveau_display(dev)->priv = NULL; |
208 | vfree(disp); |
209 | |
210 | nvif_object_unmap(&drm->client.device.object); |
211 | } |
212 | |
213 | int |
214 | nv04_display_create(struct drm_device *dev) |
215 | { |
216 | struct nouveau_drm *drm = nouveau_drm(dev); |
217 | struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device); |
218 | struct dcb_table *dcb = &drm->vbios.dcb; |
219 | struct drm_connector *connector, *ct; |
220 | struct drm_encoder *encoder; |
221 | struct nouveau_encoder *nv_encoder; |
222 | struct nouveau_crtc *crtc; |
223 | struct nv04_display *disp; |
224 | int i, ret; |
225 | |
226 | disp = vzalloc(sizeof(*disp)); |
227 | if (!disp) |
228 | return -ENOMEM; |
229 | |
230 | disp->drm = drm; |
231 | |
232 | nvif_object_map(&drm->client.device.object, NULL, 0); |
233 | |
234 | nouveau_display(dev)->priv = disp; |
235 | nouveau_display(dev)->dtor = nv04_display_destroy; |
236 | nouveau_display(dev)->init = nv04_display_init; |
237 | nouveau_display(dev)->fini = nv04_display_fini; |
238 | |
239 | /* Pre-nv50 doesn't support atomic, so don't expose the ioctls */ |
240 | dev->driver_features &= ~DRIVER_ATOMIC; |
241 | |
242 | /* Request page flip completion event. */ |
243 | if (drm->channel) { |
244 | ret = nvif_event_ctor(&drm->channel->nvsw, "kmsFlip" , 0, nv04_flip_complete, |
245 | true, NULL, 0, &disp->flip); |
246 | if (ret) |
247 | return ret; |
248 | } |
249 | |
250 | nouveau_hw_save_vga_fonts(dev, save: 1); |
251 | |
252 | nv04_crtc_create(dev, index: 0); |
253 | if (nv_two_heads(dev)) |
254 | nv04_crtc_create(dev, index: 1); |
255 | |
256 | for (i = 0; i < dcb->entries; i++) { |
257 | struct dcb_output *dcbent = &dcb->entry[i]; |
258 | |
259 | connector = nouveau_connector_create(dev, dcbent->connector); |
260 | if (IS_ERR(connector)) |
261 | continue; |
262 | |
263 | switch (dcbent->type) { |
264 | case DCB_OUTPUT_ANALOG: |
265 | ret = nv04_dac_create(connector, dcbent); |
266 | break; |
267 | case DCB_OUTPUT_LVDS: |
268 | case DCB_OUTPUT_TMDS: |
269 | ret = nv04_dfp_create(connector, dcbent); |
270 | break; |
271 | case DCB_OUTPUT_TV: |
272 | if (dcbent->location == DCB_LOC_ON_CHIP) |
273 | ret = nv17_tv_create(connector, dcbent); |
274 | else |
275 | ret = nv04_tv_create(connector, dcbent); |
276 | break; |
277 | default: |
278 | NV_WARN(drm, "DCB type %d not known\n" , dcbent->type); |
279 | continue; |
280 | } |
281 | |
282 | if (ret) |
283 | continue; |
284 | } |
285 | |
286 | list_for_each_entry_safe(connector, ct, |
287 | &dev->mode_config.connector_list, head) { |
288 | if (!connector->possible_encoders) { |
289 | NV_WARN(drm, "%s has no encoders, removing\n" , |
290 | connector->name); |
291 | connector->funcs->destroy(connector); |
292 | } |
293 | } |
294 | |
295 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { |
296 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
297 | struct nvkm_i2c_bus *bus = |
298 | nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index); |
299 | nv_encoder->i2c = bus ? &bus->i2c : NULL; |
300 | } |
301 | |
302 | /* Save previous state */ |
303 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, base.head) |
304 | crtc->save(&crtc->base); |
305 | |
306 | list_for_each_entry(nv_encoder, &dev->mode_config.encoder_list, base.base.head) |
307 | nv_encoder->enc_save(&nv_encoder->base.base); |
308 | |
309 | nouveau_overlay_init(dev); |
310 | |
311 | return 0; |
312 | } |
313 | |