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1da177e4 LT |
1 | /* i915_dma.c -- DMA support for the I915 -*- linux-c -*- |
2 | */ | |
0d6aa60b | 3 | /* |
1da177e4 LT |
4 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
5 | * All Rights Reserved. | |
bc54fd1a DA |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the | |
9 | * "Software"), to deal in the Software without restriction, including | |
10 | * without limitation the rights to use, copy, modify, merge, publish, | |
11 | * distribute, sub license, and/or sell copies of the Software, and to | |
12 | * permit persons to whom the Software is furnished to do so, subject to | |
13 | * the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice (including the | |
16 | * next paragraph) shall be included in all copies or substantial portions | |
17 | * of the Software. | |
18 | * | |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
22 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR | |
23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
24 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
25 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
26 | * | |
0d6aa60b | 27 | */ |
1da177e4 LT |
28 | |
29 | #include "drmP.h" | |
30 | #include "drm.h" | |
79e53945 | 31 | #include "drm_crtc_helper.h" |
785b93ef | 32 | #include "drm_fb_helper.h" |
79e53945 | 33 | #include "intel_drv.h" |
1da177e4 LT |
34 | #include "i915_drm.h" |
35 | #include "i915_drv.h" | |
1c5d22f7 | 36 | #include "i915_trace.h" |
dcdb1674 | 37 | #include <linux/pci.h> |
28d52043 | 38 | #include <linux/vgaarb.h> |
c4804411 ZW |
39 | #include <linux/acpi.h> |
40 | #include <linux/pnp.h> | |
6a9ee8af | 41 | #include <linux/vga_switcheroo.h> |
5a0e3ad6 | 42 | #include <linux/slab.h> |
1da177e4 | 43 | |
d1d6ca73 JB |
44 | extern int intel_max_stolen; /* from AGP driver */ |
45 | ||
398c9cb2 KP |
46 | /** |
47 | * Sets up the hardware status page for devices that need a physical address | |
48 | * in the register. | |
49 | */ | |
3043c60c | 50 | static int i915_init_phys_hws(struct drm_device *dev) |
398c9cb2 KP |
51 | { |
52 | drm_i915_private_t *dev_priv = dev->dev_private; | |
53 | /* Program Hardware Status Page */ | |
54 | dev_priv->status_page_dmah = | |
e6be8d9d | 55 | drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); |
398c9cb2 KP |
56 | |
57 | if (!dev_priv->status_page_dmah) { | |
58 | DRM_ERROR("Can not allocate hardware status page\n"); | |
59 | return -ENOMEM; | |
60 | } | |
8187a2b7 ZN |
61 | dev_priv->render_ring.status_page.page_addr |
62 | = dev_priv->status_page_dmah->vaddr; | |
398c9cb2 KP |
63 | dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; |
64 | ||
8187a2b7 | 65 | memset(dev_priv->render_ring.status_page.page_addr, 0, PAGE_SIZE); |
398c9cb2 | 66 | |
9b974cc1 ZW |
67 | if (IS_I965G(dev)) |
68 | dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) & | |
69 | 0xf0; | |
70 | ||
398c9cb2 | 71 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
8a4c47f3 | 72 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
398c9cb2 KP |
73 | return 0; |
74 | } | |
75 | ||
76 | /** | |
77 | * Frees the hardware status page, whether it's a physical address or a virtual | |
78 | * address set up by the X Server. | |
79 | */ | |
3043c60c | 80 | static void i915_free_hws(struct drm_device *dev) |
398c9cb2 KP |
81 | { |
82 | drm_i915_private_t *dev_priv = dev->dev_private; | |
83 | if (dev_priv->status_page_dmah) { | |
84 | drm_pci_free(dev, dev_priv->status_page_dmah); | |
85 | dev_priv->status_page_dmah = NULL; | |
86 | } | |
87 | ||
852835f3 ZN |
88 | if (dev_priv->render_ring.status_page.gfx_addr) { |
89 | dev_priv->render_ring.status_page.gfx_addr = 0; | |
398c9cb2 KP |
90 | drm_core_ioremapfree(&dev_priv->hws_map, dev); |
91 | } | |
92 | ||
93 | /* Need to rewrite hardware status page */ | |
94 | I915_WRITE(HWS_PGA, 0x1ffff000); | |
95 | } | |
96 | ||
84b1fd10 | 97 | void i915_kernel_lost_context(struct drm_device * dev) |
1da177e4 LT |
98 | { |
99 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 | 100 | struct drm_i915_master_private *master_priv; |
8187a2b7 | 101 | struct intel_ring_buffer *ring = &dev_priv->render_ring; |
1da177e4 | 102 | |
79e53945 JB |
103 | /* |
104 | * We should never lose context on the ring with modesetting | |
105 | * as we don't expose it to userspace | |
106 | */ | |
107 | if (drm_core_check_feature(dev, DRIVER_MODESET)) | |
108 | return; | |
109 | ||
585fb111 JB |
110 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
111 | ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; | |
1da177e4 LT |
112 | ring->space = ring->head - (ring->tail + 8); |
113 | if (ring->space < 0) | |
8187a2b7 | 114 | ring->space += ring->size; |
1da177e4 | 115 | |
7c1c2871 DA |
116 | if (!dev->primary->master) |
117 | return; | |
118 | ||
119 | master_priv = dev->primary->master->driver_priv; | |
120 | if (ring->head == ring->tail && master_priv->sarea_priv) | |
121 | master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; | |
1da177e4 LT |
122 | } |
123 | ||
84b1fd10 | 124 | static int i915_dma_cleanup(struct drm_device * dev) |
1da177e4 | 125 | { |
ba8bbcf6 | 126 | drm_i915_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
127 | /* Make sure interrupts are disabled here because the uninstall ioctl |
128 | * may not have been called from userspace and after dev_private | |
129 | * is freed, it's too late. | |
130 | */ | |
ed4cb414 | 131 | if (dev->irq_enabled) |
b5e89ed5 | 132 | drm_irq_uninstall(dev); |
1da177e4 | 133 | |
ee0c6bfb | 134 | mutex_lock(&dev->struct_mutex); |
8187a2b7 | 135 | intel_cleanup_ring_buffer(dev, &dev_priv->render_ring); |
d1b851fc ZN |
136 | if (HAS_BSD(dev)) |
137 | intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring); | |
ee0c6bfb | 138 | mutex_unlock(&dev->struct_mutex); |
dc7a9319 | 139 | |
398c9cb2 KP |
140 | /* Clear the HWS virtual address at teardown */ |
141 | if (I915_NEED_GFX_HWS(dev)) | |
142 | i915_free_hws(dev); | |
1da177e4 LT |
143 | |
144 | return 0; | |
145 | } | |
146 | ||
ba8bbcf6 | 147 | static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) |
1da177e4 | 148 | { |
ba8bbcf6 | 149 | drm_i915_private_t *dev_priv = dev->dev_private; |
7c1c2871 | 150 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 151 | |
3a03ac1a DA |
152 | master_priv->sarea = drm_getsarea(dev); |
153 | if (master_priv->sarea) { | |
154 | master_priv->sarea_priv = (drm_i915_sarea_t *) | |
155 | ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset); | |
156 | } else { | |
8a4c47f3 | 157 | DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n"); |
3a03ac1a DA |
158 | } |
159 | ||
673a394b | 160 | if (init->ring_size != 0) { |
8187a2b7 | 161 | if (dev_priv->render_ring.gem_object != NULL) { |
673a394b EA |
162 | i915_dma_cleanup(dev); |
163 | DRM_ERROR("Client tried to initialize ringbuffer in " | |
164 | "GEM mode\n"); | |
165 | return -EINVAL; | |
166 | } | |
1da177e4 | 167 | |
8187a2b7 | 168 | dev_priv->render_ring.size = init->ring_size; |
1da177e4 | 169 | |
d3301d86 EA |
170 | dev_priv->render_ring.map.offset = init->ring_start; |
171 | dev_priv->render_ring.map.size = init->ring_size; | |
172 | dev_priv->render_ring.map.type = 0; | |
173 | dev_priv->render_ring.map.flags = 0; | |
174 | dev_priv->render_ring.map.mtrr = 0; | |
1da177e4 | 175 | |
d3301d86 | 176 | drm_core_ioremap_wc(&dev_priv->render_ring.map, dev); |
673a394b | 177 | |
d3301d86 | 178 | if (dev_priv->render_ring.map.handle == NULL) { |
673a394b EA |
179 | i915_dma_cleanup(dev); |
180 | DRM_ERROR("can not ioremap virtual address for" | |
181 | " ring buffer\n"); | |
182 | return -ENOMEM; | |
183 | } | |
1da177e4 LT |
184 | } |
185 | ||
d3301d86 | 186 | dev_priv->render_ring.virtual_start = dev_priv->render_ring.map.handle; |
1da177e4 | 187 | |
a6b54f3f | 188 | dev_priv->cpp = init->cpp; |
1da177e4 LT |
189 | dev_priv->back_offset = init->back_offset; |
190 | dev_priv->front_offset = init->front_offset; | |
191 | dev_priv->current_page = 0; | |
7c1c2871 DA |
192 | if (master_priv->sarea_priv) |
193 | master_priv->sarea_priv->pf_current_page = 0; | |
1da177e4 | 194 | |
1da177e4 LT |
195 | /* Allow hardware batchbuffers unless told otherwise. |
196 | */ | |
197 | dev_priv->allow_batchbuffer = 1; | |
198 | ||
1da177e4 LT |
199 | return 0; |
200 | } | |
201 | ||
84b1fd10 | 202 | static int i915_dma_resume(struct drm_device * dev) |
1da177e4 LT |
203 | { |
204 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; | |
205 | ||
8187a2b7 | 206 | struct intel_ring_buffer *ring; |
8a4c47f3 | 207 | DRM_DEBUG_DRIVER("%s\n", __func__); |
1da177e4 | 208 | |
8187a2b7 ZN |
209 | ring = &dev_priv->render_ring; |
210 | ||
211 | if (ring->map.handle == NULL) { | |
1da177e4 LT |
212 | DRM_ERROR("can not ioremap virtual address for" |
213 | " ring buffer\n"); | |
20caafa6 | 214 | return -ENOMEM; |
1da177e4 LT |
215 | } |
216 | ||
217 | /* Program Hardware Status Page */ | |
8187a2b7 | 218 | if (!ring->status_page.page_addr) { |
1da177e4 | 219 | DRM_ERROR("Can not find hardware status page\n"); |
20caafa6 | 220 | return -EINVAL; |
1da177e4 | 221 | } |
8a4c47f3 | 222 | DRM_DEBUG_DRIVER("hw status page @ %p\n", |
8187a2b7 ZN |
223 | ring->status_page.page_addr); |
224 | if (ring->status_page.gfx_addr != 0) | |
225 | ring->setup_status_page(dev, ring); | |
dc7a9319 | 226 | else |
585fb111 | 227 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
8187a2b7 | 228 | |
8a4c47f3 | 229 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
1da177e4 LT |
230 | |
231 | return 0; | |
232 | } | |
233 | ||
c153f45f EA |
234 | static int i915_dma_init(struct drm_device *dev, void *data, |
235 | struct drm_file *file_priv) | |
1da177e4 | 236 | { |
c153f45f | 237 | drm_i915_init_t *init = data; |
1da177e4 LT |
238 | int retcode = 0; |
239 | ||
c153f45f | 240 | switch (init->func) { |
1da177e4 | 241 | case I915_INIT_DMA: |
ba8bbcf6 | 242 | retcode = i915_initialize(dev, init); |
1da177e4 LT |
243 | break; |
244 | case I915_CLEANUP_DMA: | |
245 | retcode = i915_dma_cleanup(dev); | |
246 | break; | |
247 | case I915_RESUME_DMA: | |
0d6aa60b | 248 | retcode = i915_dma_resume(dev); |
1da177e4 LT |
249 | break; |
250 | default: | |
20caafa6 | 251 | retcode = -EINVAL; |
1da177e4 LT |
252 | break; |
253 | } | |
254 | ||
255 | return retcode; | |
256 | } | |
257 | ||
258 | /* Implement basically the same security restrictions as hardware does | |
259 | * for MI_BATCH_NON_SECURE. These can be made stricter at any time. | |
260 | * | |
261 | * Most of the calculations below involve calculating the size of a | |
262 | * particular instruction. It's important to get the size right as | |
263 | * that tells us where the next instruction to check is. Any illegal | |
264 | * instruction detected will be given a size of zero, which is a | |
265 | * signal to abort the rest of the buffer. | |
266 | */ | |
267 | static int do_validate_cmd(int cmd) | |
268 | { | |
269 | switch (((cmd >> 29) & 0x7)) { | |
270 | case 0x0: | |
271 | switch ((cmd >> 23) & 0x3f) { | |
272 | case 0x0: | |
273 | return 1; /* MI_NOOP */ | |
274 | case 0x4: | |
275 | return 1; /* MI_FLUSH */ | |
276 | default: | |
277 | return 0; /* disallow everything else */ | |
278 | } | |
279 | break; | |
280 | case 0x1: | |
281 | return 0; /* reserved */ | |
282 | case 0x2: | |
283 | return (cmd & 0xff) + 2; /* 2d commands */ | |
284 | case 0x3: | |
285 | if (((cmd >> 24) & 0x1f) <= 0x18) | |
286 | return 1; | |
287 | ||
288 | switch ((cmd >> 24) & 0x1f) { | |
289 | case 0x1c: | |
290 | return 1; | |
291 | case 0x1d: | |
b5e89ed5 | 292 | switch ((cmd >> 16) & 0xff) { |
1da177e4 LT |
293 | case 0x3: |
294 | return (cmd & 0x1f) + 2; | |
295 | case 0x4: | |
296 | return (cmd & 0xf) + 2; | |
297 | default: | |
298 | return (cmd & 0xffff) + 2; | |
299 | } | |
300 | case 0x1e: | |
301 | if (cmd & (1 << 23)) | |
302 | return (cmd & 0xffff) + 1; | |
303 | else | |
304 | return 1; | |
305 | case 0x1f: | |
306 | if ((cmd & (1 << 23)) == 0) /* inline vertices */ | |
307 | return (cmd & 0x1ffff) + 2; | |
308 | else if (cmd & (1 << 17)) /* indirect random */ | |
309 | if ((cmd & 0xffff) == 0) | |
310 | return 0; /* unknown length, too hard */ | |
311 | else | |
312 | return (((cmd & 0xffff) + 1) / 2) + 1; | |
313 | else | |
314 | return 2; /* indirect sequential */ | |
315 | default: | |
316 | return 0; | |
317 | } | |
318 | default: | |
319 | return 0; | |
320 | } | |
321 | ||
322 | return 0; | |
323 | } | |
324 | ||
325 | static int validate_cmd(int cmd) | |
326 | { | |
327 | int ret = do_validate_cmd(cmd); | |
328 | ||
bc5f4523 | 329 | /* printk("validate_cmd( %x ): %d\n", cmd, ret); */ |
1da177e4 LT |
330 | |
331 | return ret; | |
332 | } | |
333 | ||
201361a5 | 334 | static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) |
1da177e4 LT |
335 | { |
336 | drm_i915_private_t *dev_priv = dev->dev_private; | |
337 | int i; | |
1da177e4 | 338 | |
8187a2b7 | 339 | if ((dwords+1) * sizeof(int) >= dev_priv->render_ring.size - 8) |
20caafa6 | 340 | return -EINVAL; |
de227f5f | 341 | |
c29b669c | 342 | BEGIN_LP_RING((dwords+1)&~1); |
de227f5f | 343 | |
1da177e4 LT |
344 | for (i = 0; i < dwords;) { |
345 | int cmd, sz; | |
346 | ||
201361a5 | 347 | cmd = buffer[i]; |
1da177e4 | 348 | |
1da177e4 | 349 | if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) |
20caafa6 | 350 | return -EINVAL; |
1da177e4 | 351 | |
1da177e4 LT |
352 | OUT_RING(cmd); |
353 | ||
354 | while (++i, --sz) { | |
201361a5 | 355 | OUT_RING(buffer[i]); |
1da177e4 | 356 | } |
1da177e4 LT |
357 | } |
358 | ||
de227f5f DA |
359 | if (dwords & 1) |
360 | OUT_RING(0); | |
361 | ||
362 | ADVANCE_LP_RING(); | |
363 | ||
1da177e4 LT |
364 | return 0; |
365 | } | |
366 | ||
673a394b EA |
367 | int |
368 | i915_emit_box(struct drm_device *dev, | |
201361a5 | 369 | struct drm_clip_rect *boxes, |
673a394b | 370 | int i, int DR1, int DR4) |
1da177e4 | 371 | { |
201361a5 | 372 | struct drm_clip_rect box = boxes[i]; |
1da177e4 | 373 | |
1da177e4 LT |
374 | if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { |
375 | DRM_ERROR("Bad box %d,%d..%d,%d\n", | |
376 | box.x1, box.y1, box.x2, box.y2); | |
20caafa6 | 377 | return -EINVAL; |
1da177e4 LT |
378 | } |
379 | ||
c29b669c AH |
380 | if (IS_I965G(dev)) { |
381 | BEGIN_LP_RING(4); | |
382 | OUT_RING(GFX_OP_DRAWRECT_INFO_I965); | |
383 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); | |
78eca43d | 384 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
c29b669c AH |
385 | OUT_RING(DR4); |
386 | ADVANCE_LP_RING(); | |
387 | } else { | |
388 | BEGIN_LP_RING(6); | |
389 | OUT_RING(GFX_OP_DRAWRECT_INFO); | |
390 | OUT_RING(DR1); | |
391 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); | |
392 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); | |
393 | OUT_RING(DR4); | |
394 | OUT_RING(0); | |
395 | ADVANCE_LP_RING(); | |
396 | } | |
1da177e4 LT |
397 | |
398 | return 0; | |
399 | } | |
400 | ||
c29b669c AH |
401 | /* XXX: Emitting the counter should really be moved to part of the IRQ |
402 | * emit. For now, do it in both places: | |
403 | */ | |
404 | ||
84b1fd10 | 405 | static void i915_emit_breadcrumb(struct drm_device *dev) |
de227f5f DA |
406 | { |
407 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 | 408 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
de227f5f | 409 | |
c99b058f | 410 | dev_priv->counter++; |
af6061af | 411 | if (dev_priv->counter > 0x7FFFFFFFUL) |
c99b058f | 412 | dev_priv->counter = 0; |
7c1c2871 DA |
413 | if (master_priv->sarea_priv) |
414 | master_priv->sarea_priv->last_enqueue = dev_priv->counter; | |
de227f5f DA |
415 | |
416 | BEGIN_LP_RING(4); | |
585fb111 | 417 | OUT_RING(MI_STORE_DWORD_INDEX); |
0baf823a | 418 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
de227f5f DA |
419 | OUT_RING(dev_priv->counter); |
420 | OUT_RING(0); | |
421 | ADVANCE_LP_RING(); | |
422 | } | |
423 | ||
84b1fd10 | 424 | static int i915_dispatch_cmdbuffer(struct drm_device * dev, |
201361a5 EA |
425 | drm_i915_cmdbuffer_t *cmd, |
426 | struct drm_clip_rect *cliprects, | |
427 | void *cmdbuf) | |
1da177e4 LT |
428 | { |
429 | int nbox = cmd->num_cliprects; | |
430 | int i = 0, count, ret; | |
431 | ||
432 | if (cmd->sz & 0x3) { | |
433 | DRM_ERROR("alignment"); | |
20caafa6 | 434 | return -EINVAL; |
1da177e4 LT |
435 | } |
436 | ||
437 | i915_kernel_lost_context(dev); | |
438 | ||
439 | count = nbox ? nbox : 1; | |
440 | ||
441 | for (i = 0; i < count; i++) { | |
442 | if (i < nbox) { | |
201361a5 | 443 | ret = i915_emit_box(dev, cliprects, i, |
1da177e4 LT |
444 | cmd->DR1, cmd->DR4); |
445 | if (ret) | |
446 | return ret; | |
447 | } | |
448 | ||
201361a5 | 449 | ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4); |
1da177e4 LT |
450 | if (ret) |
451 | return ret; | |
452 | } | |
453 | ||
de227f5f | 454 | i915_emit_breadcrumb(dev); |
1da177e4 LT |
455 | return 0; |
456 | } | |
457 | ||
84b1fd10 | 458 | static int i915_dispatch_batchbuffer(struct drm_device * dev, |
201361a5 EA |
459 | drm_i915_batchbuffer_t * batch, |
460 | struct drm_clip_rect *cliprects) | |
1da177e4 | 461 | { |
1da177e4 LT |
462 | int nbox = batch->num_cliprects; |
463 | int i = 0, count; | |
1da177e4 LT |
464 | |
465 | if ((batch->start | batch->used) & 0x7) { | |
466 | DRM_ERROR("alignment"); | |
20caafa6 | 467 | return -EINVAL; |
1da177e4 LT |
468 | } |
469 | ||
470 | i915_kernel_lost_context(dev); | |
471 | ||
472 | count = nbox ? nbox : 1; | |
473 | ||
474 | for (i = 0; i < count; i++) { | |
475 | if (i < nbox) { | |
201361a5 | 476 | int ret = i915_emit_box(dev, cliprects, i, |
1da177e4 LT |
477 | batch->DR1, batch->DR4); |
478 | if (ret) | |
479 | return ret; | |
480 | } | |
481 | ||
0790d5e1 | 482 | if (!IS_I830(dev) && !IS_845G(dev)) { |
1da177e4 | 483 | BEGIN_LP_RING(2); |
21f16289 DA |
484 | if (IS_I965G(dev)) { |
485 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); | |
486 | OUT_RING(batch->start); | |
487 | } else { | |
488 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); | |
489 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); | |
490 | } | |
1da177e4 LT |
491 | ADVANCE_LP_RING(); |
492 | } else { | |
493 | BEGIN_LP_RING(4); | |
494 | OUT_RING(MI_BATCH_BUFFER); | |
495 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); | |
496 | OUT_RING(batch->start + batch->used - 4); | |
497 | OUT_RING(0); | |
498 | ADVANCE_LP_RING(); | |
499 | } | |
500 | } | |
501 | ||
1cafd347 ZN |
502 | |
503 | if (IS_G4X(dev) || IS_IRONLAKE(dev)) { | |
504 | BEGIN_LP_RING(2); | |
505 | OUT_RING(MI_FLUSH | MI_NO_WRITE_FLUSH | MI_INVALIDATE_ISP); | |
506 | OUT_RING(MI_NOOP); | |
507 | ADVANCE_LP_RING(); | |
508 | } | |
de227f5f | 509 | i915_emit_breadcrumb(dev); |
1da177e4 LT |
510 | |
511 | return 0; | |
512 | } | |
513 | ||
af6061af | 514 | static int i915_dispatch_flip(struct drm_device * dev) |
1da177e4 LT |
515 | { |
516 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 DA |
517 | struct drm_i915_master_private *master_priv = |
518 | dev->primary->master->driver_priv; | |
1da177e4 | 519 | |
7c1c2871 | 520 | if (!master_priv->sarea_priv) |
c99b058f KH |
521 | return -EINVAL; |
522 | ||
8a4c47f3 | 523 | DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n", |
be25ed9c | 524 | __func__, |
525 | dev_priv->current_page, | |
526 | master_priv->sarea_priv->pf_current_page); | |
1da177e4 | 527 | |
af6061af DA |
528 | i915_kernel_lost_context(dev); |
529 | ||
530 | BEGIN_LP_RING(2); | |
585fb111 | 531 | OUT_RING(MI_FLUSH | MI_READ_FLUSH); |
af6061af DA |
532 | OUT_RING(0); |
533 | ADVANCE_LP_RING(); | |
1da177e4 | 534 | |
af6061af DA |
535 | BEGIN_LP_RING(6); |
536 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); | |
537 | OUT_RING(0); | |
538 | if (dev_priv->current_page == 0) { | |
539 | OUT_RING(dev_priv->back_offset); | |
540 | dev_priv->current_page = 1; | |
1da177e4 | 541 | } else { |
af6061af DA |
542 | OUT_RING(dev_priv->front_offset); |
543 | dev_priv->current_page = 0; | |
1da177e4 | 544 | } |
af6061af DA |
545 | OUT_RING(0); |
546 | ADVANCE_LP_RING(); | |
1da177e4 | 547 | |
af6061af DA |
548 | BEGIN_LP_RING(2); |
549 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); | |
550 | OUT_RING(0); | |
551 | ADVANCE_LP_RING(); | |
1da177e4 | 552 | |
7c1c2871 | 553 | master_priv->sarea_priv->last_enqueue = dev_priv->counter++; |
1da177e4 LT |
554 | |
555 | BEGIN_LP_RING(4); | |
585fb111 | 556 | OUT_RING(MI_STORE_DWORD_INDEX); |
0baf823a | 557 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
af6061af DA |
558 | OUT_RING(dev_priv->counter); |
559 | OUT_RING(0); | |
1da177e4 LT |
560 | ADVANCE_LP_RING(); |
561 | ||
7c1c2871 | 562 | master_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
af6061af | 563 | return 0; |
1da177e4 LT |
564 | } |
565 | ||
84b1fd10 | 566 | static int i915_quiescent(struct drm_device * dev) |
1da177e4 LT |
567 | { |
568 | drm_i915_private_t *dev_priv = dev->dev_private; | |
569 | ||
570 | i915_kernel_lost_context(dev); | |
8187a2b7 ZN |
571 | return intel_wait_ring_buffer(dev, &dev_priv->render_ring, |
572 | dev_priv->render_ring.size - 8); | |
1da177e4 LT |
573 | } |
574 | ||
c153f45f EA |
575 | static int i915_flush_ioctl(struct drm_device *dev, void *data, |
576 | struct drm_file *file_priv) | |
1da177e4 | 577 | { |
546b0974 EA |
578 | int ret; |
579 | ||
580 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); | |
1da177e4 | 581 | |
546b0974 EA |
582 | mutex_lock(&dev->struct_mutex); |
583 | ret = i915_quiescent(dev); | |
584 | mutex_unlock(&dev->struct_mutex); | |
585 | ||
586 | return ret; | |
1da177e4 LT |
587 | } |
588 | ||
c153f45f EA |
589 | static int i915_batchbuffer(struct drm_device *dev, void *data, |
590 | struct drm_file *file_priv) | |
1da177e4 | 591 | { |
1da177e4 | 592 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
7c1c2871 | 593 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 594 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
7c1c2871 | 595 | master_priv->sarea_priv; |
c153f45f | 596 | drm_i915_batchbuffer_t *batch = data; |
1da177e4 | 597 | int ret; |
201361a5 | 598 | struct drm_clip_rect *cliprects = NULL; |
1da177e4 LT |
599 | |
600 | if (!dev_priv->allow_batchbuffer) { | |
601 | DRM_ERROR("Batchbuffer ioctl disabled\n"); | |
20caafa6 | 602 | return -EINVAL; |
1da177e4 LT |
603 | } |
604 | ||
8a4c47f3 | 605 | DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n", |
be25ed9c | 606 | batch->start, batch->used, batch->num_cliprects); |
1da177e4 | 607 | |
546b0974 | 608 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 609 | |
201361a5 EA |
610 | if (batch->num_cliprects < 0) |
611 | return -EINVAL; | |
612 | ||
613 | if (batch->num_cliprects) { | |
9a298b2a EA |
614 | cliprects = kcalloc(batch->num_cliprects, |
615 | sizeof(struct drm_clip_rect), | |
616 | GFP_KERNEL); | |
201361a5 EA |
617 | if (cliprects == NULL) |
618 | return -ENOMEM; | |
619 | ||
620 | ret = copy_from_user(cliprects, batch->cliprects, | |
621 | batch->num_cliprects * | |
622 | sizeof(struct drm_clip_rect)); | |
623 | if (ret != 0) | |
624 | goto fail_free; | |
625 | } | |
1da177e4 | 626 | |
546b0974 | 627 | mutex_lock(&dev->struct_mutex); |
201361a5 | 628 | ret = i915_dispatch_batchbuffer(dev, batch, cliprects); |
546b0974 | 629 | mutex_unlock(&dev->struct_mutex); |
1da177e4 | 630 | |
c99b058f | 631 | if (sarea_priv) |
0baf823a | 632 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
201361a5 EA |
633 | |
634 | fail_free: | |
9a298b2a | 635 | kfree(cliprects); |
201361a5 | 636 | |
1da177e4 LT |
637 | return ret; |
638 | } | |
639 | ||
c153f45f EA |
640 | static int i915_cmdbuffer(struct drm_device *dev, void *data, |
641 | struct drm_file *file_priv) | |
1da177e4 | 642 | { |
1da177e4 | 643 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
7c1c2871 | 644 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 645 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
7c1c2871 | 646 | master_priv->sarea_priv; |
c153f45f | 647 | drm_i915_cmdbuffer_t *cmdbuf = data; |
201361a5 EA |
648 | struct drm_clip_rect *cliprects = NULL; |
649 | void *batch_data; | |
1da177e4 LT |
650 | int ret; |
651 | ||
8a4c47f3 | 652 | DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n", |
be25ed9c | 653 | cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); |
1da177e4 | 654 | |
546b0974 | 655 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 656 | |
201361a5 EA |
657 | if (cmdbuf->num_cliprects < 0) |
658 | return -EINVAL; | |
659 | ||
9a298b2a | 660 | batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL); |
201361a5 EA |
661 | if (batch_data == NULL) |
662 | return -ENOMEM; | |
663 | ||
664 | ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz); | |
665 | if (ret != 0) | |
666 | goto fail_batch_free; | |
667 | ||
668 | if (cmdbuf->num_cliprects) { | |
9a298b2a EA |
669 | cliprects = kcalloc(cmdbuf->num_cliprects, |
670 | sizeof(struct drm_clip_rect), GFP_KERNEL); | |
a40e8d31 OA |
671 | if (cliprects == NULL) { |
672 | ret = -ENOMEM; | |
201361a5 | 673 | goto fail_batch_free; |
a40e8d31 | 674 | } |
201361a5 EA |
675 | |
676 | ret = copy_from_user(cliprects, cmdbuf->cliprects, | |
677 | cmdbuf->num_cliprects * | |
678 | sizeof(struct drm_clip_rect)); | |
679 | if (ret != 0) | |
680 | goto fail_clip_free; | |
1da177e4 LT |
681 | } |
682 | ||
546b0974 | 683 | mutex_lock(&dev->struct_mutex); |
201361a5 | 684 | ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data); |
546b0974 | 685 | mutex_unlock(&dev->struct_mutex); |
1da177e4 LT |
686 | if (ret) { |
687 | DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); | |
355d7f37 | 688 | goto fail_clip_free; |
1da177e4 LT |
689 | } |
690 | ||
c99b058f | 691 | if (sarea_priv) |
0baf823a | 692 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
201361a5 | 693 | |
201361a5 | 694 | fail_clip_free: |
9a298b2a | 695 | kfree(cliprects); |
355d7f37 | 696 | fail_batch_free: |
9a298b2a | 697 | kfree(batch_data); |
201361a5 EA |
698 | |
699 | return ret; | |
1da177e4 LT |
700 | } |
701 | ||
c153f45f EA |
702 | static int i915_flip_bufs(struct drm_device *dev, void *data, |
703 | struct drm_file *file_priv) | |
1da177e4 | 704 | { |
546b0974 EA |
705 | int ret; |
706 | ||
8a4c47f3 | 707 | DRM_DEBUG_DRIVER("%s\n", __func__); |
1da177e4 | 708 | |
546b0974 | 709 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 710 | |
546b0974 EA |
711 | mutex_lock(&dev->struct_mutex); |
712 | ret = i915_dispatch_flip(dev); | |
713 | mutex_unlock(&dev->struct_mutex); | |
714 | ||
715 | return ret; | |
1da177e4 LT |
716 | } |
717 | ||
c153f45f EA |
718 | static int i915_getparam(struct drm_device *dev, void *data, |
719 | struct drm_file *file_priv) | |
1da177e4 | 720 | { |
1da177e4 | 721 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 722 | drm_i915_getparam_t *param = data; |
1da177e4 LT |
723 | int value; |
724 | ||
725 | if (!dev_priv) { | |
3e684eae | 726 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 727 | return -EINVAL; |
1da177e4 LT |
728 | } |
729 | ||
c153f45f | 730 | switch (param->param) { |
1da177e4 | 731 | case I915_PARAM_IRQ_ACTIVE: |
0a3e67a4 | 732 | value = dev->pdev->irq ? 1 : 0; |
1da177e4 LT |
733 | break; |
734 | case I915_PARAM_ALLOW_BATCHBUFFER: | |
735 | value = dev_priv->allow_batchbuffer ? 1 : 0; | |
736 | break; | |
0d6aa60b DA |
737 | case I915_PARAM_LAST_DISPATCH: |
738 | value = READ_BREADCRUMB(dev_priv); | |
739 | break; | |
ed4c9c4a KH |
740 | case I915_PARAM_CHIPSET_ID: |
741 | value = dev->pci_device; | |
742 | break; | |
673a394b | 743 | case I915_PARAM_HAS_GEM: |
ac5c4e76 | 744 | value = dev_priv->has_gem; |
673a394b | 745 | break; |
0f973f27 JB |
746 | case I915_PARAM_NUM_FENCES_AVAIL: |
747 | value = dev_priv->num_fence_regs - dev_priv->fence_reg_start; | |
748 | break; | |
02e792fb DV |
749 | case I915_PARAM_HAS_OVERLAY: |
750 | value = dev_priv->overlay ? 1 : 0; | |
751 | break; | |
e9560f7c JB |
752 | case I915_PARAM_HAS_PAGEFLIPPING: |
753 | value = 1; | |
754 | break; | |
76446cac JB |
755 | case I915_PARAM_HAS_EXECBUF2: |
756 | /* depends on GEM */ | |
757 | value = dev_priv->has_gem; | |
758 | break; | |
e3a815fc ZN |
759 | case I915_PARAM_HAS_BSD: |
760 | value = HAS_BSD(dev); | |
761 | break; | |
1da177e4 | 762 | default: |
8a4c47f3 | 763 | DRM_DEBUG_DRIVER("Unknown parameter %d\n", |
76446cac | 764 | param->param); |
20caafa6 | 765 | return -EINVAL; |
1da177e4 LT |
766 | } |
767 | ||
c153f45f | 768 | if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { |
1da177e4 | 769 | DRM_ERROR("DRM_COPY_TO_USER failed\n"); |
20caafa6 | 770 | return -EFAULT; |
1da177e4 LT |
771 | } |
772 | ||
773 | return 0; | |
774 | } | |
775 | ||
c153f45f EA |
776 | static int i915_setparam(struct drm_device *dev, void *data, |
777 | struct drm_file *file_priv) | |
1da177e4 | 778 | { |
1da177e4 | 779 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 780 | drm_i915_setparam_t *param = data; |
1da177e4 LT |
781 | |
782 | if (!dev_priv) { | |
3e684eae | 783 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 784 | return -EINVAL; |
1da177e4 LT |
785 | } |
786 | ||
c153f45f | 787 | switch (param->param) { |
1da177e4 | 788 | case I915_SETPARAM_USE_MI_BATCHBUFFER_START: |
1da177e4 LT |
789 | break; |
790 | case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: | |
c153f45f | 791 | dev_priv->tex_lru_log_granularity = param->value; |
1da177e4 LT |
792 | break; |
793 | case I915_SETPARAM_ALLOW_BATCHBUFFER: | |
c153f45f | 794 | dev_priv->allow_batchbuffer = param->value; |
1da177e4 | 795 | break; |
0f973f27 JB |
796 | case I915_SETPARAM_NUM_USED_FENCES: |
797 | if (param->value > dev_priv->num_fence_regs || | |
798 | param->value < 0) | |
799 | return -EINVAL; | |
800 | /* Userspace can use first N regs */ | |
801 | dev_priv->fence_reg_start = param->value; | |
802 | break; | |
1da177e4 | 803 | default: |
8a4c47f3 | 804 | DRM_DEBUG_DRIVER("unknown parameter %d\n", |
be25ed9c | 805 | param->param); |
20caafa6 | 806 | return -EINVAL; |
1da177e4 LT |
807 | } |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
c153f45f EA |
812 | static int i915_set_status_page(struct drm_device *dev, void *data, |
813 | struct drm_file *file_priv) | |
dc7a9319 | 814 | { |
dc7a9319 | 815 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 816 | drm_i915_hws_addr_t *hws = data; |
8187a2b7 | 817 | struct intel_ring_buffer *ring = &dev_priv->render_ring; |
b39d50e5 ZW |
818 | |
819 | if (!I915_NEED_GFX_HWS(dev)) | |
820 | return -EINVAL; | |
dc7a9319 WZ |
821 | |
822 | if (!dev_priv) { | |
3e684eae | 823 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 824 | return -EINVAL; |
dc7a9319 | 825 | } |
dc7a9319 | 826 | |
79e53945 JB |
827 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
828 | WARN(1, "tried to set status page when mode setting active\n"); | |
829 | return 0; | |
830 | } | |
831 | ||
8a4c47f3 | 832 | DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr); |
c153f45f | 833 | |
8187a2b7 | 834 | ring->status_page.gfx_addr = hws->addr & (0x1ffff<<12); |
dc7a9319 | 835 | |
8b409580 | 836 | dev_priv->hws_map.offset = dev->agp->base + hws->addr; |
dc7a9319 WZ |
837 | dev_priv->hws_map.size = 4*1024; |
838 | dev_priv->hws_map.type = 0; | |
839 | dev_priv->hws_map.flags = 0; | |
840 | dev_priv->hws_map.mtrr = 0; | |
841 | ||
dd0910b3 | 842 | drm_core_ioremap_wc(&dev_priv->hws_map, dev); |
dc7a9319 | 843 | if (dev_priv->hws_map.handle == NULL) { |
dc7a9319 | 844 | i915_dma_cleanup(dev); |
e20f9c64 | 845 | ring->status_page.gfx_addr = 0; |
dc7a9319 WZ |
846 | DRM_ERROR("can not ioremap virtual address for" |
847 | " G33 hw status page\n"); | |
20caafa6 | 848 | return -ENOMEM; |
dc7a9319 | 849 | } |
8187a2b7 ZN |
850 | ring->status_page.page_addr = dev_priv->hws_map.handle; |
851 | memset(ring->status_page.page_addr, 0, PAGE_SIZE); | |
852 | I915_WRITE(HWS_PGA, ring->status_page.gfx_addr); | |
dc7a9319 | 853 | |
8a4c47f3 | 854 | DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n", |
e20f9c64 | 855 | ring->status_page.gfx_addr); |
8a4c47f3 | 856 | DRM_DEBUG_DRIVER("load hws at %p\n", |
e20f9c64 | 857 | ring->status_page.page_addr); |
dc7a9319 WZ |
858 | return 0; |
859 | } | |
860 | ||
ec2a4c3f DA |
861 | static int i915_get_bridge_dev(struct drm_device *dev) |
862 | { | |
863 | struct drm_i915_private *dev_priv = dev->dev_private; | |
864 | ||
865 | dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); | |
866 | if (!dev_priv->bridge_dev) { | |
867 | DRM_ERROR("bridge device not found\n"); | |
868 | return -1; | |
869 | } | |
870 | return 0; | |
871 | } | |
872 | ||
c4804411 ZW |
873 | #define MCHBAR_I915 0x44 |
874 | #define MCHBAR_I965 0x48 | |
875 | #define MCHBAR_SIZE (4*4096) | |
876 | ||
877 | #define DEVEN_REG 0x54 | |
878 | #define DEVEN_MCHBAR_EN (1 << 28) | |
879 | ||
880 | /* Allocate space for the MCH regs if needed, return nonzero on error */ | |
881 | static int | |
882 | intel_alloc_mchbar_resource(struct drm_device *dev) | |
883 | { | |
884 | drm_i915_private_t *dev_priv = dev->dev_private; | |
885 | int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
886 | u32 temp_lo, temp_hi = 0; | |
887 | u64 mchbar_addr; | |
888 | int ret = 0; | |
889 | ||
890 | if (IS_I965G(dev)) | |
891 | pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi); | |
892 | pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo); | |
893 | mchbar_addr = ((u64)temp_hi << 32) | temp_lo; | |
894 | ||
895 | /* If ACPI doesn't have it, assume we need to allocate it ourselves */ | |
896 | #ifdef CONFIG_PNP | |
897 | if (mchbar_addr && | |
898 | pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) { | |
899 | ret = 0; | |
900 | goto out; | |
901 | } | |
902 | #endif | |
903 | ||
904 | /* Get some space for it */ | |
905 | ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res, | |
906 | MCHBAR_SIZE, MCHBAR_SIZE, | |
907 | PCIBIOS_MIN_MEM, | |
908 | 0, pcibios_align_resource, | |
909 | dev_priv->bridge_dev); | |
910 | if (ret) { | |
911 | DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); | |
912 | dev_priv->mch_res.start = 0; | |
913 | goto out; | |
914 | } | |
915 | ||
916 | if (IS_I965G(dev)) | |
917 | pci_write_config_dword(dev_priv->bridge_dev, reg + 4, | |
918 | upper_32_bits(dev_priv->mch_res.start)); | |
919 | ||
920 | pci_write_config_dword(dev_priv->bridge_dev, reg, | |
921 | lower_32_bits(dev_priv->mch_res.start)); | |
922 | out: | |
923 | return ret; | |
924 | } | |
925 | ||
926 | /* Setup MCHBAR if possible, return true if we should disable it again */ | |
927 | static void | |
928 | intel_setup_mchbar(struct drm_device *dev) | |
929 | { | |
930 | drm_i915_private_t *dev_priv = dev->dev_private; | |
931 | int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
932 | u32 temp; | |
933 | bool enabled; | |
934 | ||
935 | dev_priv->mchbar_need_disable = false; | |
936 | ||
937 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
938 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); | |
939 | enabled = !!(temp & DEVEN_MCHBAR_EN); | |
940 | } else { | |
941 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
942 | enabled = temp & 1; | |
943 | } | |
944 | ||
945 | /* If it's already enabled, don't have to do anything */ | |
946 | if (enabled) | |
947 | return; | |
948 | ||
949 | if (intel_alloc_mchbar_resource(dev)) | |
950 | return; | |
951 | ||
952 | dev_priv->mchbar_need_disable = true; | |
953 | ||
954 | /* Space is allocated or reserved, so enable it. */ | |
955 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
956 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, | |
957 | temp | DEVEN_MCHBAR_EN); | |
958 | } else { | |
959 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
960 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1); | |
961 | } | |
962 | } | |
963 | ||
964 | static void | |
965 | intel_teardown_mchbar(struct drm_device *dev) | |
966 | { | |
967 | drm_i915_private_t *dev_priv = dev->dev_private; | |
968 | int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
969 | u32 temp; | |
970 | ||
971 | if (dev_priv->mchbar_need_disable) { | |
972 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
973 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); | |
974 | temp &= ~DEVEN_MCHBAR_EN; | |
975 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp); | |
976 | } else { | |
977 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
978 | temp &= ~1; | |
979 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp); | |
980 | } | |
981 | } | |
982 | ||
983 | if (dev_priv->mch_res.start) | |
984 | release_resource(&dev_priv->mch_res); | |
985 | } | |
986 | ||
79e53945 JB |
987 | /** |
988 | * i915_probe_agp - get AGP bootup configuration | |
989 | * @pdev: PCI device | |
990 | * @aperture_size: returns AGP aperture configured size | |
991 | * @preallocated_size: returns size of BIOS preallocated AGP space | |
992 | * | |
993 | * Since Intel integrated graphics are UMA, the BIOS has to set aside | |
994 | * some RAM for the framebuffer at early boot. This code figures out | |
995 | * how much was set aside so we can use it for our own purposes. | |
996 | */ | |
2a34f5e6 | 997 | static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size, |
80824003 JB |
998 | uint32_t *preallocated_size, |
999 | uint32_t *start) | |
79e53945 | 1000 | { |
ec2a4c3f | 1001 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 JB |
1002 | u16 tmp = 0; |
1003 | unsigned long overhead; | |
241fa85b | 1004 | unsigned long stolen; |
79e53945 | 1005 | |
79e53945 | 1006 | /* Get the fb aperture size and "stolen" memory amount. */ |
ec2a4c3f | 1007 | pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &tmp); |
79e53945 JB |
1008 | |
1009 | *aperture_size = 1024 * 1024; | |
1010 | *preallocated_size = 1024 * 1024; | |
1011 | ||
60fd99e3 | 1012 | switch (dev->pdev->device) { |
79e53945 JB |
1013 | case PCI_DEVICE_ID_INTEL_82830_CGC: |
1014 | case PCI_DEVICE_ID_INTEL_82845G_IG: | |
1015 | case PCI_DEVICE_ID_INTEL_82855GM_IG: | |
1016 | case PCI_DEVICE_ID_INTEL_82865_IG: | |
1017 | if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) | |
1018 | *aperture_size *= 64; | |
1019 | else | |
1020 | *aperture_size *= 128; | |
1021 | break; | |
1022 | default: | |
1023 | /* 9xx supports large sizes, just look at the length */ | |
60fd99e3 | 1024 | *aperture_size = pci_resource_len(dev->pdev, 2); |
79e53945 JB |
1025 | break; |
1026 | } | |
1027 | ||
1028 | /* | |
1029 | * Some of the preallocated space is taken by the GTT | |
1030 | * and popup. GTT is 1K per MB of aperture size, and popup is 4K. | |
1031 | */ | |
bad720ff | 1032 | if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) |
60fd99e3 EA |
1033 | overhead = 4096; |
1034 | else | |
1035 | overhead = (*aperture_size / 1024) + 4096; | |
1036 | ||
14bc490b ZW |
1037 | if (IS_GEN6(dev)) { |
1038 | /* SNB has memory control reg at 0x50.w */ | |
1039 | pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &tmp); | |
1040 | ||
1041 | switch (tmp & SNB_GMCH_GMS_STOLEN_MASK) { | |
1042 | case INTEL_855_GMCH_GMS_DISABLED: | |
1043 | DRM_ERROR("video memory is disabled\n"); | |
1044 | return -1; | |
1045 | case SNB_GMCH_GMS_STOLEN_32M: | |
1046 | stolen = 32 * 1024 * 1024; | |
1047 | break; | |
1048 | case SNB_GMCH_GMS_STOLEN_64M: | |
bad720ff | 1049 | stolen = 64 * 1024 * 1024; |
14bc490b ZW |
1050 | break; |
1051 | case SNB_GMCH_GMS_STOLEN_96M: | |
1052 | stolen = 96 * 1024 * 1024; | |
1053 | break; | |
1054 | case SNB_GMCH_GMS_STOLEN_128M: | |
1055 | stolen = 128 * 1024 * 1024; | |
1056 | break; | |
1057 | case SNB_GMCH_GMS_STOLEN_160M: | |
1058 | stolen = 160 * 1024 * 1024; | |
1059 | break; | |
1060 | case SNB_GMCH_GMS_STOLEN_192M: | |
1061 | stolen = 192 * 1024 * 1024; | |
1062 | break; | |
1063 | case SNB_GMCH_GMS_STOLEN_224M: | |
1064 | stolen = 224 * 1024 * 1024; | |
1065 | break; | |
1066 | case SNB_GMCH_GMS_STOLEN_256M: | |
1067 | stolen = 256 * 1024 * 1024; | |
1068 | break; | |
1069 | case SNB_GMCH_GMS_STOLEN_288M: | |
1070 | stolen = 288 * 1024 * 1024; | |
1071 | break; | |
1072 | case SNB_GMCH_GMS_STOLEN_320M: | |
1073 | stolen = 320 * 1024 * 1024; | |
1074 | break; | |
1075 | case SNB_GMCH_GMS_STOLEN_352M: | |
1076 | stolen = 352 * 1024 * 1024; | |
1077 | break; | |
1078 | case SNB_GMCH_GMS_STOLEN_384M: | |
1079 | stolen = 384 * 1024 * 1024; | |
1080 | break; | |
1081 | case SNB_GMCH_GMS_STOLEN_416M: | |
1082 | stolen = 416 * 1024 * 1024; | |
1083 | break; | |
1084 | case SNB_GMCH_GMS_STOLEN_448M: | |
1085 | stolen = 448 * 1024 * 1024; | |
1086 | break; | |
1087 | case SNB_GMCH_GMS_STOLEN_480M: | |
1088 | stolen = 480 * 1024 * 1024; | |
1089 | break; | |
1090 | case SNB_GMCH_GMS_STOLEN_512M: | |
1091 | stolen = 512 * 1024 * 1024; | |
1092 | break; | |
1093 | default: | |
1094 | DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", | |
1095 | tmp & SNB_GMCH_GMS_STOLEN_MASK); | |
1096 | return -1; | |
1097 | } | |
1098 | } else { | |
1099 | switch (tmp & INTEL_GMCH_GMS_MASK) { | |
1100 | case INTEL_855_GMCH_GMS_DISABLED: | |
bad720ff EA |
1101 | DRM_ERROR("video memory is disabled\n"); |
1102 | return -1; | |
14bc490b ZW |
1103 | case INTEL_855_GMCH_GMS_STOLEN_1M: |
1104 | stolen = 1 * 1024 * 1024; | |
1105 | break; | |
1106 | case INTEL_855_GMCH_GMS_STOLEN_4M: | |
1107 | stolen = 4 * 1024 * 1024; | |
1108 | break; | |
1109 | case INTEL_855_GMCH_GMS_STOLEN_8M: | |
1110 | stolen = 8 * 1024 * 1024; | |
1111 | break; | |
1112 | case INTEL_855_GMCH_GMS_STOLEN_16M: | |
1113 | stolen = 16 * 1024 * 1024; | |
1114 | break; | |
1115 | case INTEL_855_GMCH_GMS_STOLEN_32M: | |
1116 | stolen = 32 * 1024 * 1024; | |
1117 | break; | |
1118 | case INTEL_915G_GMCH_GMS_STOLEN_48M: | |
1119 | stolen = 48 * 1024 * 1024; | |
1120 | break; | |
1121 | case INTEL_915G_GMCH_GMS_STOLEN_64M: | |
1122 | stolen = 64 * 1024 * 1024; | |
1123 | break; | |
1124 | case INTEL_GMCH_GMS_STOLEN_128M: | |
1125 | stolen = 128 * 1024 * 1024; | |
1126 | break; | |
1127 | case INTEL_GMCH_GMS_STOLEN_256M: | |
1128 | stolen = 256 * 1024 * 1024; | |
1129 | break; | |
1130 | case INTEL_GMCH_GMS_STOLEN_96M: | |
1131 | stolen = 96 * 1024 * 1024; | |
1132 | break; | |
1133 | case INTEL_GMCH_GMS_STOLEN_160M: | |
1134 | stolen = 160 * 1024 * 1024; | |
1135 | break; | |
1136 | case INTEL_GMCH_GMS_STOLEN_224M: | |
1137 | stolen = 224 * 1024 * 1024; | |
1138 | break; | |
1139 | case INTEL_GMCH_GMS_STOLEN_352M: | |
1140 | stolen = 352 * 1024 * 1024; | |
1141 | break; | |
1142 | default: | |
1143 | DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", | |
1144 | tmp & INTEL_GMCH_GMS_MASK); | |
1145 | return -1; | |
bad720ff | 1146 | } |
79e53945 | 1147 | } |
14bc490b | 1148 | |
241fa85b | 1149 | *preallocated_size = stolen - overhead; |
80824003 | 1150 | *start = overhead; |
79e53945 JB |
1151 | |
1152 | return 0; | |
1153 | } | |
1154 | ||
80824003 JB |
1155 | #define PTE_ADDRESS_MASK 0xfffff000 |
1156 | #define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */ | |
1157 | #define PTE_MAPPING_TYPE_UNCACHED (0 << 1) | |
1158 | #define PTE_MAPPING_TYPE_DCACHE (1 << 1) /* i830 only */ | |
1159 | #define PTE_MAPPING_TYPE_CACHED (3 << 1) | |
1160 | #define PTE_MAPPING_TYPE_MASK (3 << 1) | |
1161 | #define PTE_VALID (1 << 0) | |
1162 | ||
1163 | /** | |
1164 | * i915_gtt_to_phys - take a GTT address and turn it into a physical one | |
1165 | * @dev: drm device | |
1166 | * @gtt_addr: address to translate | |
1167 | * | |
1168 | * Some chip functions require allocations from stolen space but need the | |
1169 | * physical address of the memory in question. We use this routine | |
1170 | * to get a physical address suitable for register programming from a given | |
1171 | * GTT address. | |
1172 | */ | |
1173 | static unsigned long i915_gtt_to_phys(struct drm_device *dev, | |
1174 | unsigned long gtt_addr) | |
1175 | { | |
1176 | unsigned long *gtt; | |
1177 | unsigned long entry, phys; | |
1178 | int gtt_bar = IS_I9XX(dev) ? 0 : 1; | |
1179 | int gtt_offset, gtt_size; | |
1180 | ||
1181 | if (IS_I965G(dev)) { | |
bad720ff | 1182 | if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) { |
80824003 JB |
1183 | gtt_offset = 2*1024*1024; |
1184 | gtt_size = 2*1024*1024; | |
1185 | } else { | |
1186 | gtt_offset = 512*1024; | |
1187 | gtt_size = 512*1024; | |
1188 | } | |
1189 | } else { | |
1190 | gtt_bar = 3; | |
1191 | gtt_offset = 0; | |
1192 | gtt_size = pci_resource_len(dev->pdev, gtt_bar); | |
1193 | } | |
1194 | ||
1195 | gtt = ioremap_wc(pci_resource_start(dev->pdev, gtt_bar) + gtt_offset, | |
1196 | gtt_size); | |
1197 | if (!gtt) { | |
1198 | DRM_ERROR("ioremap of GTT failed\n"); | |
1199 | return 0; | |
1200 | } | |
1201 | ||
1202 | entry = *(volatile u32 *)(gtt + (gtt_addr / 1024)); | |
1203 | ||
44d98a61 | 1204 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, PTE: 0x%08lx\n", gtt_addr, entry); |
80824003 JB |
1205 | |
1206 | /* Mask out these reserved bits on this hardware. */ | |
1207 | if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev) || | |
1208 | IS_I945G(dev) || IS_I945GM(dev)) { | |
1209 | entry &= ~PTE_ADDRESS_MASK_HIGH; | |
1210 | } | |
1211 | ||
1212 | /* If it's not a mapping type we know, then bail. */ | |
1213 | if ((entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_UNCACHED && | |
1214 | (entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_CACHED) { | |
1215 | iounmap(gtt); | |
1216 | return 0; | |
1217 | } | |
1218 | ||
1219 | if (!(entry & PTE_VALID)) { | |
1220 | DRM_ERROR("bad GTT entry in stolen space\n"); | |
1221 | iounmap(gtt); | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | iounmap(gtt); | |
1226 | ||
1227 | phys =(entry & PTE_ADDRESS_MASK) | | |
1228 | ((uint64_t)(entry & PTE_ADDRESS_MASK_HIGH) << (32 - 4)); | |
1229 | ||
44d98a61 | 1230 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, phys addr: 0x%08lx\n", gtt_addr, phys); |
80824003 JB |
1231 | |
1232 | return phys; | |
1233 | } | |
1234 | ||
1235 | static void i915_warn_stolen(struct drm_device *dev) | |
1236 | { | |
1237 | DRM_ERROR("not enough stolen space for compressed buffer, disabling\n"); | |
1238 | DRM_ERROR("hint: you may be able to increase stolen memory size in the BIOS to avoid this\n"); | |
1239 | } | |
1240 | ||
1241 | static void i915_setup_compression(struct drm_device *dev, int size) | |
1242 | { | |
1243 | struct drm_i915_private *dev_priv = dev->dev_private; | |
132b6aab | 1244 | struct drm_mm_node *compressed_fb, *uninitialized_var(compressed_llb); |
29bd0ae2 AM |
1245 | unsigned long cfb_base; |
1246 | unsigned long ll_base = 0; | |
80824003 JB |
1247 | |
1248 | /* Leave 1M for line length buffer & misc. */ | |
1249 | compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0); | |
1250 | if (!compressed_fb) { | |
b5e50c3f | 1251 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
80824003 JB |
1252 | i915_warn_stolen(dev); |
1253 | return; | |
1254 | } | |
1255 | ||
1256 | compressed_fb = drm_mm_get_block(compressed_fb, size, 4096); | |
1257 | if (!compressed_fb) { | |
1258 | i915_warn_stolen(dev); | |
b5e50c3f | 1259 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
80824003 JB |
1260 | return; |
1261 | } | |
1262 | ||
74dff282 JB |
1263 | cfb_base = i915_gtt_to_phys(dev, compressed_fb->start); |
1264 | if (!cfb_base) { | |
1265 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); | |
1266 | drm_mm_put_block(compressed_fb); | |
80824003 JB |
1267 | } |
1268 | ||
b52eb4dc | 1269 | if (!(IS_GM45(dev) || IS_IRONLAKE_M(dev))) { |
74dff282 JB |
1270 | compressed_llb = drm_mm_search_free(&dev_priv->vram, 4096, |
1271 | 4096, 0); | |
1272 | if (!compressed_llb) { | |
1273 | i915_warn_stolen(dev); | |
1274 | return; | |
1275 | } | |
1276 | ||
1277 | compressed_llb = drm_mm_get_block(compressed_llb, 4096, 4096); | |
1278 | if (!compressed_llb) { | |
1279 | i915_warn_stolen(dev); | |
1280 | return; | |
1281 | } | |
1282 | ||
1283 | ll_base = i915_gtt_to_phys(dev, compressed_llb->start); | |
1284 | if (!ll_base) { | |
1285 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); | |
1286 | drm_mm_put_block(compressed_fb); | |
1287 | drm_mm_put_block(compressed_llb); | |
1288 | } | |
80824003 JB |
1289 | } |
1290 | ||
1291 | dev_priv->cfb_size = size; | |
1292 | ||
ee5382ae | 1293 | intel_disable_fbc(dev); |
20bf377e | 1294 | dev_priv->compressed_fb = compressed_fb; |
b52eb4dc ZY |
1295 | if (IS_IRONLAKE_M(dev)) |
1296 | I915_WRITE(ILK_DPFC_CB_BASE, compressed_fb->start); | |
1297 | else if (IS_GM45(dev)) { | |
74dff282 JB |
1298 | I915_WRITE(DPFC_CB_BASE, compressed_fb->start); |
1299 | } else { | |
74dff282 JB |
1300 | I915_WRITE(FBC_CFB_BASE, cfb_base); |
1301 | I915_WRITE(FBC_LL_BASE, ll_base); | |
20bf377e | 1302 | dev_priv->compressed_llb = compressed_llb; |
80824003 JB |
1303 | } |
1304 | ||
b52eb4dc | 1305 | DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base, |
80824003 | 1306 | ll_base, size >> 20); |
80824003 JB |
1307 | } |
1308 | ||
20bf377e JB |
1309 | static void i915_cleanup_compression(struct drm_device *dev) |
1310 | { | |
1311 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1312 | ||
1313 | drm_mm_put_block(dev_priv->compressed_fb); | |
aebf0daf | 1314 | if (dev_priv->compressed_llb) |
20bf377e JB |
1315 | drm_mm_put_block(dev_priv->compressed_llb); |
1316 | } | |
1317 | ||
28d52043 DA |
1318 | /* true = enable decode, false = disable decoder */ |
1319 | static unsigned int i915_vga_set_decode(void *cookie, bool state) | |
1320 | { | |
1321 | struct drm_device *dev = cookie; | |
1322 | ||
1323 | intel_modeset_vga_set_state(dev, state); | |
1324 | if (state) | |
1325 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1326 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1327 | else | |
1328 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1329 | } | |
1330 | ||
6a9ee8af DA |
1331 | static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) |
1332 | { | |
1333 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1334 | pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; | |
1335 | if (state == VGA_SWITCHEROO_ON) { | |
fbf81762 | 1336 | printk(KERN_INFO "i915: switched on\n"); |
6a9ee8af DA |
1337 | /* i915 resume handler doesn't set to D0 */ |
1338 | pci_set_power_state(dev->pdev, PCI_D0); | |
1339 | i915_resume(dev); | |
fbf81762 | 1340 | drm_kms_helper_poll_enable(dev); |
6a9ee8af DA |
1341 | } else { |
1342 | printk(KERN_ERR "i915: switched off\n"); | |
fbf81762 | 1343 | drm_kms_helper_poll_disable(dev); |
6a9ee8af DA |
1344 | i915_suspend(dev, pmm); |
1345 | } | |
1346 | } | |
1347 | ||
1348 | static bool i915_switcheroo_can_switch(struct pci_dev *pdev) | |
1349 | { | |
1350 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1351 | bool can_switch; | |
1352 | ||
1353 | spin_lock(&dev->count_lock); | |
1354 | can_switch = (dev->open_count == 0); | |
1355 | spin_unlock(&dev->count_lock); | |
1356 | return can_switch; | |
1357 | } | |
1358 | ||
2a34f5e6 | 1359 | static int i915_load_modeset_init(struct drm_device *dev, |
80824003 | 1360 | unsigned long prealloc_start, |
2a34f5e6 EA |
1361 | unsigned long prealloc_size, |
1362 | unsigned long agp_size) | |
79e53945 JB |
1363 | { |
1364 | struct drm_i915_private *dev_priv = dev->dev_private; | |
79e53945 JB |
1365 | int fb_bar = IS_I9XX(dev) ? 2 : 0; |
1366 | int ret = 0; | |
1367 | ||
01d73a69 | 1368 | dev->mode_config.fb_base = pci_resource_start(dev->pdev, fb_bar) & |
79e53945 JB |
1369 | 0xff000000; |
1370 | ||
79e53945 JB |
1371 | /* Basic memrange allocator for stolen space (aka vram) */ |
1372 | drm_mm_init(&dev_priv->vram, 0, prealloc_size); | |
80824003 | 1373 | DRM_INFO("set up %ldM of stolen space\n", prealloc_size / (1024*1024)); |
79e53945 | 1374 | |
11ed50ec BG |
1375 | /* We're off and running w/KMS */ |
1376 | dev_priv->mm.suspended = 0; | |
79e53945 | 1377 | |
13f4c435 EA |
1378 | /* Let GEM Manage from end of prealloc space to end of aperture. |
1379 | * | |
1380 | * However, leave one page at the end still bound to the scratch page. | |
1381 | * There are a number of places where the hardware apparently | |
1382 | * prefetches past the end of the object, and we've seen multiple | |
1383 | * hangs with the GPU head pointer stuck in a batchbuffer bound | |
1384 | * at the last page of the aperture. One page should be enough to | |
1385 | * keep any prefetching inside of the aperture. | |
1386 | */ | |
1387 | i915_gem_do_init(dev, prealloc_size, agp_size - 4096); | |
79e53945 | 1388 | |
11ed50ec | 1389 | mutex_lock(&dev->struct_mutex); |
79e53945 | 1390 | ret = i915_gem_init_ringbuffer(dev); |
11ed50ec | 1391 | mutex_unlock(&dev->struct_mutex); |
79e53945 | 1392 | if (ret) |
b8da7de5 | 1393 | goto out; |
79e53945 | 1394 | |
80824003 | 1395 | /* Try to set up FBC with a reasonable compressed buffer size */ |
9216d44d | 1396 | if (I915_HAS_FBC(dev) && i915_powersave) { |
80824003 JB |
1397 | int cfb_size; |
1398 | ||
1399 | /* Try to get an 8M buffer... */ | |
1400 | if (prealloc_size > (9*1024*1024)) | |
1401 | cfb_size = 8*1024*1024; | |
1402 | else /* fall back to 7/8 of the stolen space */ | |
1403 | cfb_size = prealloc_size * 7 / 8; | |
1404 | i915_setup_compression(dev, cfb_size); | |
1405 | } | |
1406 | ||
79e53945 JB |
1407 | /* Allow hardware batchbuffers unless told otherwise. |
1408 | */ | |
1409 | dev_priv->allow_batchbuffer = 1; | |
1410 | ||
1411 | ret = intel_init_bios(dev); | |
1412 | if (ret) | |
1413 | DRM_INFO("failed to find VBIOS tables\n"); | |
1414 | ||
28d52043 DA |
1415 | /* if we have > 1 VGA cards, then disable the radeon VGA resources */ |
1416 | ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); | |
1417 | if (ret) | |
5a79395b | 1418 | goto cleanup_ringbuffer; |
28d52043 | 1419 | |
6a9ee8af DA |
1420 | ret = vga_switcheroo_register_client(dev->pdev, |
1421 | i915_switcheroo_set_state, | |
1422 | i915_switcheroo_can_switch); | |
1423 | if (ret) | |
5a79395b | 1424 | goto cleanup_vga_client; |
6a9ee8af | 1425 | |
1afe3e9d JB |
1426 | /* IIR "flip pending" bit means done if this bit is set */ |
1427 | if (IS_GEN3(dev) && (I915_READ(ECOSKPD) & ECO_FLIP_DONE)) | |
1428 | dev_priv->flip_pending_is_done = true; | |
1429 | ||
b01f2c3a JB |
1430 | intel_modeset_init(dev); |
1431 | ||
79e53945 JB |
1432 | ret = drm_irq_install(dev); |
1433 | if (ret) | |
5a79395b | 1434 | goto cleanup_vga_switcheroo; |
79e53945 | 1435 | |
79e53945 JB |
1436 | /* Always safe in the mode setting case. */ |
1437 | /* FIXME: do pre/post-mode set stuff in core KMS code */ | |
1438 | dev->vblank_disable_allowed = 1; | |
1439 | ||
1440 | /* | |
1441 | * Initialize the hardware status page IRQ location. | |
1442 | */ | |
1443 | ||
1444 | I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); | |
1445 | ||
5a79395b CW |
1446 | ret = intel_fbdev_init(dev); |
1447 | if (ret) | |
1448 | goto cleanup_irq; | |
1449 | ||
eb1f8e4f | 1450 | drm_kms_helper_poll_init(dev); |
79e53945 JB |
1451 | return 0; |
1452 | ||
5a79395b CW |
1453 | cleanup_irq: |
1454 | drm_irq_uninstall(dev); | |
1455 | cleanup_vga_switcheroo: | |
1456 | vga_switcheroo_unregister_client(dev->pdev); | |
1457 | cleanup_vga_client: | |
1458 | vga_client_register(dev->pdev, NULL, NULL, NULL); | |
1459 | cleanup_ringbuffer: | |
21099537 | 1460 | mutex_lock(&dev->struct_mutex); |
79e53945 | 1461 | i915_gem_cleanup_ringbuffer(dev); |
21099537 | 1462 | mutex_unlock(&dev->struct_mutex); |
79e53945 JB |
1463 | out: |
1464 | return ret; | |
1465 | } | |
1466 | ||
7c1c2871 DA |
1467 | int i915_master_create(struct drm_device *dev, struct drm_master *master) |
1468 | { | |
1469 | struct drm_i915_master_private *master_priv; | |
1470 | ||
9a298b2a | 1471 | master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL); |
7c1c2871 DA |
1472 | if (!master_priv) |
1473 | return -ENOMEM; | |
1474 | ||
1475 | master->driver_priv = master_priv; | |
1476 | return 0; | |
1477 | } | |
1478 | ||
1479 | void i915_master_destroy(struct drm_device *dev, struct drm_master *master) | |
1480 | { | |
1481 | struct drm_i915_master_private *master_priv = master->driver_priv; | |
1482 | ||
1483 | if (!master_priv) | |
1484 | return; | |
1485 | ||
9a298b2a | 1486 | kfree(master_priv); |
7c1c2871 DA |
1487 | |
1488 | master->driver_priv = NULL; | |
1489 | } | |
1490 | ||
7648fa99 | 1491 | static void i915_pineview_get_mem_freq(struct drm_device *dev) |
7662c8bd SL |
1492 | { |
1493 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1494 | u32 tmp; | |
1495 | ||
7662c8bd SL |
1496 | tmp = I915_READ(CLKCFG); |
1497 | ||
1498 | switch (tmp & CLKCFG_FSB_MASK) { | |
1499 | case CLKCFG_FSB_533: | |
1500 | dev_priv->fsb_freq = 533; /* 133*4 */ | |
1501 | break; | |
1502 | case CLKCFG_FSB_800: | |
1503 | dev_priv->fsb_freq = 800; /* 200*4 */ | |
1504 | break; | |
1505 | case CLKCFG_FSB_667: | |
1506 | dev_priv->fsb_freq = 667; /* 167*4 */ | |
1507 | break; | |
1508 | case CLKCFG_FSB_400: | |
1509 | dev_priv->fsb_freq = 400; /* 100*4 */ | |
1510 | break; | |
1511 | } | |
1512 | ||
1513 | switch (tmp & CLKCFG_MEM_MASK) { | |
1514 | case CLKCFG_MEM_533: | |
1515 | dev_priv->mem_freq = 533; | |
1516 | break; | |
1517 | case CLKCFG_MEM_667: | |
1518 | dev_priv->mem_freq = 667; | |
1519 | break; | |
1520 | case CLKCFG_MEM_800: | |
1521 | dev_priv->mem_freq = 800; | |
1522 | break; | |
1523 | } | |
95534263 LP |
1524 | |
1525 | /* detect pineview DDR3 setting */ | |
1526 | tmp = I915_READ(CSHRDDR3CTL); | |
1527 | dev_priv->is_ddr3 = (tmp & CSHRDDR3CTL_DDR3) ? 1 : 0; | |
7662c8bd SL |
1528 | } |
1529 | ||
7648fa99 JB |
1530 | static void i915_ironlake_get_mem_freq(struct drm_device *dev) |
1531 | { | |
1532 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1533 | u16 ddrpll, csipll; | |
1534 | ||
1535 | ddrpll = I915_READ16(DDRMPLL1); | |
1536 | csipll = I915_READ16(CSIPLL0); | |
1537 | ||
1538 | switch (ddrpll & 0xff) { | |
1539 | case 0xc: | |
1540 | dev_priv->mem_freq = 800; | |
1541 | break; | |
1542 | case 0x10: | |
1543 | dev_priv->mem_freq = 1066; | |
1544 | break; | |
1545 | case 0x14: | |
1546 | dev_priv->mem_freq = 1333; | |
1547 | break; | |
1548 | case 0x18: | |
1549 | dev_priv->mem_freq = 1600; | |
1550 | break; | |
1551 | default: | |
1552 | DRM_DEBUG_DRIVER("unknown memory frequency 0x%02x\n", | |
1553 | ddrpll & 0xff); | |
1554 | dev_priv->mem_freq = 0; | |
1555 | break; | |
1556 | } | |
1557 | ||
1558 | dev_priv->r_t = dev_priv->mem_freq; | |
1559 | ||
1560 | switch (csipll & 0x3ff) { | |
1561 | case 0x00c: | |
1562 | dev_priv->fsb_freq = 3200; | |
1563 | break; | |
1564 | case 0x00e: | |
1565 | dev_priv->fsb_freq = 3733; | |
1566 | break; | |
1567 | case 0x010: | |
1568 | dev_priv->fsb_freq = 4266; | |
1569 | break; | |
1570 | case 0x012: | |
1571 | dev_priv->fsb_freq = 4800; | |
1572 | break; | |
1573 | case 0x014: | |
1574 | dev_priv->fsb_freq = 5333; | |
1575 | break; | |
1576 | case 0x016: | |
1577 | dev_priv->fsb_freq = 5866; | |
1578 | break; | |
1579 | case 0x018: | |
1580 | dev_priv->fsb_freq = 6400; | |
1581 | break; | |
1582 | default: | |
1583 | DRM_DEBUG_DRIVER("unknown fsb frequency 0x%04x\n", | |
1584 | csipll & 0x3ff); | |
1585 | dev_priv->fsb_freq = 0; | |
1586 | break; | |
1587 | } | |
1588 | ||
1589 | if (dev_priv->fsb_freq == 3200) { | |
1590 | dev_priv->c_m = 0; | |
1591 | } else if (dev_priv->fsb_freq > 3200 && dev_priv->fsb_freq <= 4800) { | |
1592 | dev_priv->c_m = 1; | |
1593 | } else { | |
1594 | dev_priv->c_m = 2; | |
1595 | } | |
1596 | } | |
1597 | ||
1598 | struct v_table { | |
1599 | u8 vid; | |
1600 | unsigned long vd; /* in .1 mil */ | |
1601 | unsigned long vm; /* in .1 mil */ | |
1602 | u8 pvid; | |
1603 | }; | |
1604 | ||
1605 | static struct v_table v_table[] = { | |
1606 | { 0, 16125, 15000, 0x7f, }, | |
1607 | { 1, 16000, 14875, 0x7e, }, | |
1608 | { 2, 15875, 14750, 0x7d, }, | |
1609 | { 3, 15750, 14625, 0x7c, }, | |
1610 | { 4, 15625, 14500, 0x7b, }, | |
1611 | { 5, 15500, 14375, 0x7a, }, | |
1612 | { 6, 15375, 14250, 0x79, }, | |
1613 | { 7, 15250, 14125, 0x78, }, | |
1614 | { 8, 15125, 14000, 0x77, }, | |
1615 | { 9, 15000, 13875, 0x76, }, | |
1616 | { 10, 14875, 13750, 0x75, }, | |
1617 | { 11, 14750, 13625, 0x74, }, | |
1618 | { 12, 14625, 13500, 0x73, }, | |
1619 | { 13, 14500, 13375, 0x72, }, | |
1620 | { 14, 14375, 13250, 0x71, }, | |
1621 | { 15, 14250, 13125, 0x70, }, | |
1622 | { 16, 14125, 13000, 0x6f, }, | |
1623 | { 17, 14000, 12875, 0x6e, }, | |
1624 | { 18, 13875, 12750, 0x6d, }, | |
1625 | { 19, 13750, 12625, 0x6c, }, | |
1626 | { 20, 13625, 12500, 0x6b, }, | |
1627 | { 21, 13500, 12375, 0x6a, }, | |
1628 | { 22, 13375, 12250, 0x69, }, | |
1629 | { 23, 13250, 12125, 0x68, }, | |
1630 | { 24, 13125, 12000, 0x67, }, | |
1631 | { 25, 13000, 11875, 0x66, }, | |
1632 | { 26, 12875, 11750, 0x65, }, | |
1633 | { 27, 12750, 11625, 0x64, }, | |
1634 | { 28, 12625, 11500, 0x63, }, | |
1635 | { 29, 12500, 11375, 0x62, }, | |
1636 | { 30, 12375, 11250, 0x61, }, | |
1637 | { 31, 12250, 11125, 0x60, }, | |
1638 | { 32, 12125, 11000, 0x5f, }, | |
1639 | { 33, 12000, 10875, 0x5e, }, | |
1640 | { 34, 11875, 10750, 0x5d, }, | |
1641 | { 35, 11750, 10625, 0x5c, }, | |
1642 | { 36, 11625, 10500, 0x5b, }, | |
1643 | { 37, 11500, 10375, 0x5a, }, | |
1644 | { 38, 11375, 10250, 0x59, }, | |
1645 | { 39, 11250, 10125, 0x58, }, | |
1646 | { 40, 11125, 10000, 0x57, }, | |
1647 | { 41, 11000, 9875, 0x56, }, | |
1648 | { 42, 10875, 9750, 0x55, }, | |
1649 | { 43, 10750, 9625, 0x54, }, | |
1650 | { 44, 10625, 9500, 0x53, }, | |
1651 | { 45, 10500, 9375, 0x52, }, | |
1652 | { 46, 10375, 9250, 0x51, }, | |
1653 | { 47, 10250, 9125, 0x50, }, | |
1654 | { 48, 10125, 9000, 0x4f, }, | |
1655 | { 49, 10000, 8875, 0x4e, }, | |
1656 | { 50, 9875, 8750, 0x4d, }, | |
1657 | { 51, 9750, 8625, 0x4c, }, | |
1658 | { 52, 9625, 8500, 0x4b, }, | |
1659 | { 53, 9500, 8375, 0x4a, }, | |
1660 | { 54, 9375, 8250, 0x49, }, | |
1661 | { 55, 9250, 8125, 0x48, }, | |
1662 | { 56, 9125, 8000, 0x47, }, | |
1663 | { 57, 9000, 7875, 0x46, }, | |
1664 | { 58, 8875, 7750, 0x45, }, | |
1665 | { 59, 8750, 7625, 0x44, }, | |
1666 | { 60, 8625, 7500, 0x43, }, | |
1667 | { 61, 8500, 7375, 0x42, }, | |
1668 | { 62, 8375, 7250, 0x41, }, | |
1669 | { 63, 8250, 7125, 0x40, }, | |
1670 | { 64, 8125, 7000, 0x3f, }, | |
1671 | { 65, 8000, 6875, 0x3e, }, | |
1672 | { 66, 7875, 6750, 0x3d, }, | |
1673 | { 67, 7750, 6625, 0x3c, }, | |
1674 | { 68, 7625, 6500, 0x3b, }, | |
1675 | { 69, 7500, 6375, 0x3a, }, | |
1676 | { 70, 7375, 6250, 0x39, }, | |
1677 | { 71, 7250, 6125, 0x38, }, | |
1678 | { 72, 7125, 6000, 0x37, }, | |
1679 | { 73, 7000, 5875, 0x36, }, | |
1680 | { 74, 6875, 5750, 0x35, }, | |
1681 | { 75, 6750, 5625, 0x34, }, | |
1682 | { 76, 6625, 5500, 0x33, }, | |
1683 | { 77, 6500, 5375, 0x32, }, | |
1684 | { 78, 6375, 5250, 0x31, }, | |
1685 | { 79, 6250, 5125, 0x30, }, | |
1686 | { 80, 6125, 5000, 0x2f, }, | |
1687 | { 81, 6000, 4875, 0x2e, }, | |
1688 | { 82, 5875, 4750, 0x2d, }, | |
1689 | { 83, 5750, 4625, 0x2c, }, | |
1690 | { 84, 5625, 4500, 0x2b, }, | |
1691 | { 85, 5500, 4375, 0x2a, }, | |
1692 | { 86, 5375, 4250, 0x29, }, | |
1693 | { 87, 5250, 4125, 0x28, }, | |
1694 | { 88, 5125, 4000, 0x27, }, | |
1695 | { 89, 5000, 3875, 0x26, }, | |
1696 | { 90, 4875, 3750, 0x25, }, | |
1697 | { 91, 4750, 3625, 0x24, }, | |
1698 | { 92, 4625, 3500, 0x23, }, | |
1699 | { 93, 4500, 3375, 0x22, }, | |
1700 | { 94, 4375, 3250, 0x21, }, | |
1701 | { 95, 4250, 3125, 0x20, }, | |
1702 | { 96, 4125, 3000, 0x1f, }, | |
1703 | { 97, 4125, 3000, 0x1e, }, | |
1704 | { 98, 4125, 3000, 0x1d, }, | |
1705 | { 99, 4125, 3000, 0x1c, }, | |
1706 | { 100, 4125, 3000, 0x1b, }, | |
1707 | { 101, 4125, 3000, 0x1a, }, | |
1708 | { 102, 4125, 3000, 0x19, }, | |
1709 | { 103, 4125, 3000, 0x18, }, | |
1710 | { 104, 4125, 3000, 0x17, }, | |
1711 | { 105, 4125, 3000, 0x16, }, | |
1712 | { 106, 4125, 3000, 0x15, }, | |
1713 | { 107, 4125, 3000, 0x14, }, | |
1714 | { 108, 4125, 3000, 0x13, }, | |
1715 | { 109, 4125, 3000, 0x12, }, | |
1716 | { 110, 4125, 3000, 0x11, }, | |
1717 | { 111, 4125, 3000, 0x10, }, | |
1718 | { 112, 4125, 3000, 0x0f, }, | |
1719 | { 113, 4125, 3000, 0x0e, }, | |
1720 | { 114, 4125, 3000, 0x0d, }, | |
1721 | { 115, 4125, 3000, 0x0c, }, | |
1722 | { 116, 4125, 3000, 0x0b, }, | |
1723 | { 117, 4125, 3000, 0x0a, }, | |
1724 | { 118, 4125, 3000, 0x09, }, | |
1725 | { 119, 4125, 3000, 0x08, }, | |
1726 | { 120, 1125, 0, 0x07, }, | |
1727 | { 121, 1000, 0, 0x06, }, | |
1728 | { 122, 875, 0, 0x05, }, | |
1729 | { 123, 750, 0, 0x04, }, | |
1730 | { 124, 625, 0, 0x03, }, | |
1731 | { 125, 500, 0, 0x02, }, | |
1732 | { 126, 375, 0, 0x01, }, | |
1733 | { 127, 0, 0, 0x00, }, | |
1734 | }; | |
1735 | ||
1736 | struct cparams { | |
1737 | int i; | |
1738 | int t; | |
1739 | int m; | |
1740 | int c; | |
1741 | }; | |
1742 | ||
1743 | static struct cparams cparams[] = { | |
1744 | { 1, 1333, 301, 28664 }, | |
1745 | { 1, 1066, 294, 24460 }, | |
1746 | { 1, 800, 294, 25192 }, | |
1747 | { 0, 1333, 276, 27605 }, | |
1748 | { 0, 1066, 276, 27605 }, | |
1749 | { 0, 800, 231, 23784 }, | |
1750 | }; | |
1751 | ||
1752 | unsigned long i915_chipset_val(struct drm_i915_private *dev_priv) | |
1753 | { | |
1754 | u64 total_count, diff, ret; | |
1755 | u32 count1, count2, count3, m = 0, c = 0; | |
1756 | unsigned long now = jiffies_to_msecs(jiffies), diff1; | |
1757 | int i; | |
1758 | ||
1759 | diff1 = now - dev_priv->last_time1; | |
1760 | ||
1761 | count1 = I915_READ(DMIEC); | |
1762 | count2 = I915_READ(DDREC); | |
1763 | count3 = I915_READ(CSIEC); | |
1764 | ||
1765 | total_count = count1 + count2 + count3; | |
1766 | ||
1767 | /* FIXME: handle per-counter overflow */ | |
1768 | if (total_count < dev_priv->last_count1) { | |
1769 | diff = ~0UL - dev_priv->last_count1; | |
1770 | diff += total_count; | |
1771 | } else { | |
1772 | diff = total_count - dev_priv->last_count1; | |
1773 | } | |
1774 | ||
1775 | for (i = 0; i < ARRAY_SIZE(cparams); i++) { | |
1776 | if (cparams[i].i == dev_priv->c_m && | |
1777 | cparams[i].t == dev_priv->r_t) { | |
1778 | m = cparams[i].m; | |
1779 | c = cparams[i].c; | |
1780 | break; | |
1781 | } | |
1782 | } | |
1783 | ||
1784 | div_u64(diff, diff1); | |
1785 | ret = ((m * diff) + c); | |
1786 | div_u64(ret, 10); | |
1787 | ||
1788 | dev_priv->last_count1 = total_count; | |
1789 | dev_priv->last_time1 = now; | |
1790 | ||
1791 | return ret; | |
1792 | } | |
1793 | ||
1794 | unsigned long i915_mch_val(struct drm_i915_private *dev_priv) | |
1795 | { | |
1796 | unsigned long m, x, b; | |
1797 | u32 tsfs; | |
1798 | ||
1799 | tsfs = I915_READ(TSFS); | |
1800 | ||
1801 | m = ((tsfs & TSFS_SLOPE_MASK) >> TSFS_SLOPE_SHIFT); | |
1802 | x = I915_READ8(TR1); | |
1803 | ||
1804 | b = tsfs & TSFS_INTR_MASK; | |
1805 | ||
1806 | return ((m * x) / 127) - b; | |
1807 | } | |
1808 | ||
1809 | static unsigned long pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid) | |
1810 | { | |
1811 | unsigned long val = 0; | |
1812 | int i; | |
1813 | ||
1814 | for (i = 0; i < ARRAY_SIZE(v_table); i++) { | |
1815 | if (v_table[i].pvid == pxvid) { | |
1816 | if (IS_MOBILE(dev_priv->dev)) | |
1817 | val = v_table[i].vm; | |
1818 | else | |
1819 | val = v_table[i].vd; | |
1820 | } | |
1821 | } | |
1822 | ||
1823 | return val; | |
1824 | } | |
1825 | ||
1826 | void i915_update_gfx_val(struct drm_i915_private *dev_priv) | |
1827 | { | |
1828 | struct timespec now, diff1; | |
1829 | u64 diff; | |
1830 | unsigned long diffms; | |
1831 | u32 count; | |
1832 | ||
1833 | getrawmonotonic(&now); | |
1834 | diff1 = timespec_sub(now, dev_priv->last_time2); | |
1835 | ||
1836 | /* Don't divide by 0 */ | |
1837 | diffms = diff1.tv_sec * 1000 + diff1.tv_nsec / 1000000; | |
1838 | if (!diffms) | |
1839 | return; | |
1840 | ||
1841 | count = I915_READ(GFXEC); | |
1842 | ||
1843 | if (count < dev_priv->last_count2) { | |
1844 | diff = ~0UL - dev_priv->last_count2; | |
1845 | diff += count; | |
1846 | } else { | |
1847 | diff = count - dev_priv->last_count2; | |
1848 | } | |
1849 | ||
1850 | dev_priv->last_count2 = count; | |
1851 | dev_priv->last_time2 = now; | |
1852 | ||
1853 | /* More magic constants... */ | |
1854 | diff = diff * 1181; | |
1855 | div_u64(diff, diffms * 10); | |
1856 | dev_priv->gfx_power = diff; | |
1857 | } | |
1858 | ||
1859 | unsigned long i915_gfx_val(struct drm_i915_private *dev_priv) | |
1860 | { | |
1861 | unsigned long t, corr, state1, corr2, state2; | |
1862 | u32 pxvid, ext_v; | |
1863 | ||
1864 | pxvid = I915_READ(PXVFREQ_BASE + (dev_priv->cur_delay * 4)); | |
1865 | pxvid = (pxvid >> 24) & 0x7f; | |
1866 | ext_v = pvid_to_extvid(dev_priv, pxvid); | |
1867 | ||
1868 | state1 = ext_v; | |
1869 | ||
1870 | t = i915_mch_val(dev_priv); | |
1871 | ||
1872 | /* Revel in the empirically derived constants */ | |
1873 | ||
1874 | /* Correction factor in 1/100000 units */ | |
1875 | if (t > 80) | |
1876 | corr = ((t * 2349) + 135940); | |
1877 | else if (t >= 50) | |
1878 | corr = ((t * 964) + 29317); | |
1879 | else /* < 50 */ | |
1880 | corr = ((t * 301) + 1004); | |
1881 | ||
1882 | corr = corr * ((150142 * state1) / 10000 - 78642); | |
1883 | corr /= 100000; | |
1884 | corr2 = (corr * dev_priv->corr); | |
1885 | ||
1886 | state2 = (corr2 * state1) / 10000; | |
1887 | state2 /= 100; /* convert to mW */ | |
1888 | ||
1889 | i915_update_gfx_val(dev_priv); | |
1890 | ||
1891 | return dev_priv->gfx_power + state2; | |
1892 | } | |
1893 | ||
1894 | /* Global for IPS driver to get at the current i915 device */ | |
1895 | static struct drm_i915_private *i915_mch_dev; | |
1896 | /* | |
1897 | * Lock protecting IPS related data structures | |
1898 | * - i915_mch_dev | |
1899 | * - dev_priv->max_delay | |
1900 | * - dev_priv->min_delay | |
1901 | * - dev_priv->fmax | |
1902 | * - dev_priv->gpu_busy | |
1903 | */ | |
1904 | DEFINE_SPINLOCK(mchdev_lock); | |
1905 | ||
1906 | /** | |
1907 | * i915_read_mch_val - return value for IPS use | |
1908 | * | |
1909 | * Calculate and return a value for the IPS driver to use when deciding whether | |
1910 | * we have thermal and power headroom to increase CPU or GPU power budget. | |
1911 | */ | |
1912 | unsigned long i915_read_mch_val(void) | |
1913 | { | |
1914 | struct drm_i915_private *dev_priv; | |
1915 | unsigned long chipset_val, graphics_val, ret = 0; | |
1916 | ||
1917 | spin_lock(&mchdev_lock); | |
1918 | if (!i915_mch_dev) | |
1919 | goto out_unlock; | |
1920 | dev_priv = i915_mch_dev; | |
1921 | ||
1922 | chipset_val = i915_chipset_val(dev_priv); | |
1923 | graphics_val = i915_gfx_val(dev_priv); | |
1924 | ||
1925 | ret = chipset_val + graphics_val; | |
1926 | ||
1927 | out_unlock: | |
1928 | spin_unlock(&mchdev_lock); | |
1929 | ||
1930 | return ret; | |
1931 | } | |
1932 | EXPORT_SYMBOL_GPL(i915_read_mch_val); | |
1933 | ||
1934 | /** | |
1935 | * i915_gpu_raise - raise GPU frequency limit | |
1936 | * | |
1937 | * Raise the limit; IPS indicates we have thermal headroom. | |
1938 | */ | |
1939 | bool i915_gpu_raise(void) | |
1940 | { | |
1941 | struct drm_i915_private *dev_priv; | |
1942 | bool ret = true; | |
1943 | ||
1944 | spin_lock(&mchdev_lock); | |
1945 | if (!i915_mch_dev) { | |
1946 | ret = false; | |
1947 | goto out_unlock; | |
1948 | } | |
1949 | dev_priv = i915_mch_dev; | |
1950 | ||
1951 | if (dev_priv->max_delay > dev_priv->fmax) | |
1952 | dev_priv->max_delay--; | |
1953 | ||
1954 | out_unlock: | |
1955 | spin_unlock(&mchdev_lock); | |
1956 | ||
1957 | return ret; | |
1958 | } | |
1959 | EXPORT_SYMBOL_GPL(i915_gpu_raise); | |
1960 | ||
1961 | /** | |
1962 | * i915_gpu_lower - lower GPU frequency limit | |
1963 | * | |
1964 | * IPS indicates we're close to a thermal limit, so throttle back the GPU | |
1965 | * frequency maximum. | |
1966 | */ | |
1967 | bool i915_gpu_lower(void) | |
1968 | { | |
1969 | struct drm_i915_private *dev_priv; | |
1970 | bool ret = true; | |
1971 | ||
1972 | spin_lock(&mchdev_lock); | |
1973 | if (!i915_mch_dev) { | |
1974 | ret = false; | |
1975 | goto out_unlock; | |
1976 | } | |
1977 | dev_priv = i915_mch_dev; | |
1978 | ||
1979 | if (dev_priv->max_delay < dev_priv->min_delay) | |
1980 | dev_priv->max_delay++; | |
1981 | ||
1982 | out_unlock: | |
1983 | spin_unlock(&mchdev_lock); | |
1984 | ||
1985 | return ret; | |
1986 | } | |
1987 | EXPORT_SYMBOL_GPL(i915_gpu_lower); | |
1988 | ||
1989 | /** | |
1990 | * i915_gpu_busy - indicate GPU business to IPS | |
1991 | * | |
1992 | * Tell the IPS driver whether or not the GPU is busy. | |
1993 | */ | |
1994 | bool i915_gpu_busy(void) | |
1995 | { | |
1996 | struct drm_i915_private *dev_priv; | |
1997 | bool ret = false; | |
1998 | ||
1999 | spin_lock(&mchdev_lock); | |
2000 | if (!i915_mch_dev) | |
2001 | goto out_unlock; | |
2002 | dev_priv = i915_mch_dev; | |
2003 | ||
2004 | ret = dev_priv->busy; | |
2005 | ||
2006 | out_unlock: | |
2007 | spin_unlock(&mchdev_lock); | |
2008 | ||
2009 | return ret; | |
2010 | } | |
2011 | EXPORT_SYMBOL_GPL(i915_gpu_busy); | |
2012 | ||
2013 | /** | |
2014 | * i915_gpu_turbo_disable - disable graphics turbo | |
2015 | * | |
2016 | * Disable graphics turbo by resetting the max frequency and setting the | |
2017 | * current frequency to the default. | |
2018 | */ | |
2019 | bool i915_gpu_turbo_disable(void) | |
2020 | { | |
2021 | struct drm_i915_private *dev_priv; | |
2022 | bool ret = true; | |
2023 | ||
2024 | spin_lock(&mchdev_lock); | |
2025 | if (!i915_mch_dev) { | |
2026 | ret = false; | |
2027 | goto out_unlock; | |
2028 | } | |
2029 | dev_priv = i915_mch_dev; | |
2030 | ||
2031 | dev_priv->max_delay = dev_priv->fstart; | |
2032 | ||
2033 | if (!ironlake_set_drps(dev_priv->dev, dev_priv->fstart)) | |
2034 | ret = false; | |
2035 | ||
2036 | out_unlock: | |
2037 | spin_unlock(&mchdev_lock); | |
2038 | ||
2039 | return ret; | |
2040 | } | |
2041 | EXPORT_SYMBOL_GPL(i915_gpu_turbo_disable); | |
2042 | ||
79e53945 JB |
2043 | /** |
2044 | * i915_driver_load - setup chip and create an initial config | |
2045 | * @dev: DRM device | |
2046 | * @flags: startup flags | |
2047 | * | |
2048 | * The driver load routine has to do several things: | |
2049 | * - drive output discovery via intel_modeset_init() | |
2050 | * - initialize the memory manager | |
2051 | * - allocate initial config memory | |
2052 | * - setup the DRM framebuffer with the allocated memory | |
2053 | */ | |
84b1fd10 | 2054 | int i915_driver_load(struct drm_device *dev, unsigned long flags) |
22eae947 | 2055 | { |
ea059a1e | 2056 | struct drm_i915_private *dev_priv; |
d883f7f1 | 2057 | resource_size_t base, size; |
cfdf1fa2 | 2058 | int ret = 0, mmio_bar; |
80824003 | 2059 | uint32_t agp_size, prealloc_size, prealloc_start; |
22eae947 DA |
2060 | /* i915 has 4 more counters */ |
2061 | dev->counters += 4; | |
2062 | dev->types[6] = _DRM_STAT_IRQ; | |
2063 | dev->types[7] = _DRM_STAT_PRIMARY; | |
2064 | dev->types[8] = _DRM_STAT_SECONDARY; | |
2065 | dev->types[9] = _DRM_STAT_DMA; | |
2066 | ||
9a298b2a | 2067 | dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL); |
ba8bbcf6 JB |
2068 | if (dev_priv == NULL) |
2069 | return -ENOMEM; | |
2070 | ||
ba8bbcf6 | 2071 | dev->dev_private = (void *)dev_priv; |
673a394b | 2072 | dev_priv->dev = dev; |
cfdf1fa2 | 2073 | dev_priv->info = (struct intel_device_info *) flags; |
ba8bbcf6 JB |
2074 | |
2075 | /* Add register map (needed for suspend/resume) */ | |
cfdf1fa2 | 2076 | mmio_bar = IS_I9XX(dev) ? 0 : 1; |
01d73a69 JC |
2077 | base = pci_resource_start(dev->pdev, mmio_bar); |
2078 | size = pci_resource_len(dev->pdev, mmio_bar); | |
ba8bbcf6 | 2079 | |
ec2a4c3f DA |
2080 | if (i915_get_bridge_dev(dev)) { |
2081 | ret = -EIO; | |
2082 | goto free_priv; | |
2083 | } | |
2084 | ||
3043c60c | 2085 | dev_priv->regs = ioremap(base, size); |
79e53945 JB |
2086 | if (!dev_priv->regs) { |
2087 | DRM_ERROR("failed to map registers\n"); | |
2088 | ret = -EIO; | |
ec2a4c3f | 2089 | goto put_bridge; |
79e53945 | 2090 | } |
ed4cb414 | 2091 | |
ab657db1 EA |
2092 | dev_priv->mm.gtt_mapping = |
2093 | io_mapping_create_wc(dev->agp->base, | |
2094 | dev->agp->agp_info.aper_size * 1024*1024); | |
6644107d VP |
2095 | if (dev_priv->mm.gtt_mapping == NULL) { |
2096 | ret = -EIO; | |
2097 | goto out_rmmap; | |
2098 | } | |
2099 | ||
ab657db1 EA |
2100 | /* Set up a WC MTRR for non-PAT systems. This is more common than |
2101 | * one would think, because the kernel disables PAT on first | |
2102 | * generation Core chips because WC PAT gets overridden by a UC | |
2103 | * MTRR if present. Even if a UC MTRR isn't present. | |
2104 | */ | |
2105 | dev_priv->mm.gtt_mtrr = mtrr_add(dev->agp->base, | |
2106 | dev->agp->agp_info.aper_size * | |
2107 | 1024 * 1024, | |
2108 | MTRR_TYPE_WRCOMB, 1); | |
2109 | if (dev_priv->mm.gtt_mtrr < 0) { | |
040aefa2 | 2110 | DRM_INFO("MTRR allocation failed. Graphics " |
ab657db1 EA |
2111 | "performance may suffer.\n"); |
2112 | } | |
2113 | ||
80824003 | 2114 | ret = i915_probe_agp(dev, &agp_size, &prealloc_size, &prealloc_start); |
2a34f5e6 EA |
2115 | if (ret) |
2116 | goto out_iomapfree; | |
2117 | ||
d1d6ca73 JB |
2118 | if (prealloc_size > intel_max_stolen) { |
2119 | DRM_INFO("detected %dM stolen memory, trimming to %dM\n", | |
2120 | prealloc_size >> 20, intel_max_stolen >> 20); | |
2121 | prealloc_size = intel_max_stolen; | |
2122 | } | |
2123 | ||
aed5f1dc | 2124 | dev_priv->wq = create_singlethread_workqueue("i915"); |
9c9fe1f8 EA |
2125 | if (dev_priv->wq == NULL) { |
2126 | DRM_ERROR("Failed to create our workqueue.\n"); | |
2127 | ret = -ENOMEM; | |
2128 | goto out_iomapfree; | |
2129 | } | |
2130 | ||
ac5c4e76 DA |
2131 | /* enable GEM by default */ |
2132 | dev_priv->has_gem = 1; | |
ac5c4e76 | 2133 | |
2a34f5e6 EA |
2134 | if (prealloc_size > agp_size * 3 / 4) { |
2135 | DRM_ERROR("Detected broken video BIOS with %d/%dkB of video " | |
2136 | "memory stolen.\n", | |
2137 | prealloc_size / 1024, agp_size / 1024); | |
2138 | DRM_ERROR("Disabling GEM. (try reducing stolen memory or " | |
2139 | "updating the BIOS to fix).\n"); | |
2140 | dev_priv->has_gem = 0; | |
2141 | } | |
2142 | ||
79a78dd6 CW |
2143 | if (dev_priv->has_gem == 0 && |
2144 | drm_core_check_feature(dev, DRIVER_MODESET)) { | |
2145 | DRM_ERROR("kernel modesetting requires GEM, disabling driver.\n"); | |
2146 | ret = -ENODEV; | |
2147 | goto out_iomapfree; | |
2148 | } | |
2149 | ||
9880b7a5 | 2150 | dev->driver->get_vblank_counter = i915_get_vblank_counter; |
42c2798b | 2151 | dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ |
bad720ff | 2152 | if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) { |
42c2798b | 2153 | dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */ |
9880b7a5 | 2154 | dev->driver->get_vblank_counter = gm45_get_vblank_counter; |
42c2798b | 2155 | } |
9880b7a5 | 2156 | |
c4804411 ZW |
2157 | /* Try to make sure MCHBAR is enabled before poking at it */ |
2158 | intel_setup_mchbar(dev); | |
2159 | ||
673a394b EA |
2160 | i915_gem_load(dev); |
2161 | ||
398c9cb2 KP |
2162 | /* Init HWS */ |
2163 | if (!I915_NEED_GFX_HWS(dev)) { | |
2164 | ret = i915_init_phys_hws(dev); | |
2165 | if (ret != 0) | |
9c9fe1f8 | 2166 | goto out_workqueue_free; |
398c9cb2 | 2167 | } |
ed4cb414 | 2168 | |
7648fa99 JB |
2169 | if (IS_PINEVIEW(dev)) |
2170 | i915_pineview_get_mem_freq(dev); | |
2171 | else if (IS_IRONLAKE(dev)) | |
2172 | i915_ironlake_get_mem_freq(dev); | |
7662c8bd | 2173 | |
ed4cb414 EA |
2174 | /* On the 945G/GM, the chipset reports the MSI capability on the |
2175 | * integrated graphics even though the support isn't actually there | |
2176 | * according to the published specs. It doesn't appear to function | |
2177 | * correctly in testing on 945G. | |
2178 | * This may be a side effect of MSI having been made available for PEG | |
2179 | * and the registers being closely associated. | |
d1ed629f KP |
2180 | * |
2181 | * According to chipset errata, on the 965GM, MSI interrupts may | |
b60678a7 KP |
2182 | * be lost or delayed, but we use them anyways to avoid |
2183 | * stuck interrupts on some machines. | |
ed4cb414 | 2184 | */ |
b60678a7 | 2185 | if (!IS_I945G(dev) && !IS_I945GM(dev)) |
d3e74d02 | 2186 | pci_enable_msi(dev->pdev); |
ed4cb414 EA |
2187 | |
2188 | spin_lock_init(&dev_priv->user_irq_lock); | |
63eeaf38 | 2189 | spin_lock_init(&dev_priv->error_lock); |
9d34e5db | 2190 | dev_priv->trace_irq_seqno = 0; |
ed4cb414 | 2191 | |
52440211 KP |
2192 | ret = drm_vblank_init(dev, I915_NUM_PIPE); |
2193 | ||
2194 | if (ret) { | |
2195 | (void) i915_driver_unload(dev); | |
2196 | return ret; | |
2197 | } | |
2198 | ||
11ed50ec BG |
2199 | /* Start out suspended */ |
2200 | dev_priv->mm.suspended = 1; | |
2201 | ||
3bad0781 ZW |
2202 | intel_detect_pch(dev); |
2203 | ||
79e53945 | 2204 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
80824003 JB |
2205 | ret = i915_load_modeset_init(dev, prealloc_start, |
2206 | prealloc_size, agp_size); | |
79e53945 JB |
2207 | if (ret < 0) { |
2208 | DRM_ERROR("failed to init modeset\n"); | |
9c9fe1f8 | 2209 | goto out_workqueue_free; |
79e53945 JB |
2210 | } |
2211 | } | |
2212 | ||
74a365b3 | 2213 | /* Must be done after probing outputs */ |
01c66889 | 2214 | intel_opregion_init(dev, 0); |
74a365b3 | 2215 | |
f65d9421 BG |
2216 | setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed, |
2217 | (unsigned long) dev); | |
7648fa99 JB |
2218 | |
2219 | spin_lock(&mchdev_lock); | |
2220 | i915_mch_dev = dev_priv; | |
2221 | dev_priv->mchdev_lock = &mchdev_lock; | |
2222 | spin_unlock(&mchdev_lock); | |
2223 | ||
79e53945 JB |
2224 | return 0; |
2225 | ||
9c9fe1f8 EA |
2226 | out_workqueue_free: |
2227 | destroy_workqueue(dev_priv->wq); | |
6644107d VP |
2228 | out_iomapfree: |
2229 | io_mapping_free(dev_priv->mm.gtt_mapping); | |
79e53945 JB |
2230 | out_rmmap: |
2231 | iounmap(dev_priv->regs); | |
ec2a4c3f DA |
2232 | put_bridge: |
2233 | pci_dev_put(dev_priv->bridge_dev); | |
79e53945 | 2234 | free_priv: |
9a298b2a | 2235 | kfree(dev_priv); |
ba8bbcf6 JB |
2236 | return ret; |
2237 | } | |
2238 | ||
2239 | int i915_driver_unload(struct drm_device *dev) | |
2240 | { | |
2241 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2242 | ||
9df30794 CW |
2243 | i915_destroy_error_state(dev); |
2244 | ||
7648fa99 JB |
2245 | spin_lock(&mchdev_lock); |
2246 | i915_mch_dev = NULL; | |
2247 | spin_unlock(&mchdev_lock); | |
2248 | ||
9c9fe1f8 | 2249 | destroy_workqueue(dev_priv->wq); |
f65d9421 | 2250 | del_timer_sync(&dev_priv->hangcheck_timer); |
9c9fe1f8 | 2251 | |
ab657db1 EA |
2252 | io_mapping_free(dev_priv->mm.gtt_mapping); |
2253 | if (dev_priv->mm.gtt_mtrr >= 0) { | |
2254 | mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base, | |
2255 | dev->agp->agp_info.aper_size * 1024 * 1024); | |
2256 | dev_priv->mm.gtt_mtrr = -1; | |
2257 | } | |
2258 | ||
79e53945 | 2259 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
3d8620cc JB |
2260 | intel_modeset_cleanup(dev); |
2261 | ||
6363ee6f ZY |
2262 | /* |
2263 | * free the memory space allocated for the child device | |
2264 | * config parsed from VBT | |
2265 | */ | |
2266 | if (dev_priv->child_dev && dev_priv->child_dev_num) { | |
2267 | kfree(dev_priv->child_dev); | |
2268 | dev_priv->child_dev = NULL; | |
2269 | dev_priv->child_dev_num = 0; | |
2270 | } | |
79e53945 | 2271 | drm_irq_uninstall(dev); |
6a9ee8af | 2272 | vga_switcheroo_unregister_client(dev->pdev); |
28d52043 | 2273 | vga_client_register(dev->pdev, NULL, NULL, NULL); |
79e53945 JB |
2274 | } |
2275 | ||
ed4cb414 EA |
2276 | if (dev->pdev->msi_enabled) |
2277 | pci_disable_msi(dev->pdev); | |
2278 | ||
3043c60c EA |
2279 | if (dev_priv->regs != NULL) |
2280 | iounmap(dev_priv->regs); | |
ba8bbcf6 | 2281 | |
01c66889 | 2282 | intel_opregion_free(dev, 0); |
8ee1c3db | 2283 | |
79e53945 | 2284 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
71acb5eb DA |
2285 | i915_gem_free_all_phys_object(dev); |
2286 | ||
79e53945 JB |
2287 | mutex_lock(&dev->struct_mutex); |
2288 | i915_gem_cleanup_ringbuffer(dev); | |
2289 | mutex_unlock(&dev->struct_mutex); | |
20bf377e JB |
2290 | if (I915_HAS_FBC(dev) && i915_powersave) |
2291 | i915_cleanup_compression(dev); | |
79e53945 JB |
2292 | drm_mm_takedown(&dev_priv->vram); |
2293 | i915_gem_lastclose(dev); | |
02e792fb DV |
2294 | |
2295 | intel_cleanup_overlay(dev); | |
79e53945 JB |
2296 | } |
2297 | ||
c4804411 ZW |
2298 | intel_teardown_mchbar(dev); |
2299 | ||
ec2a4c3f | 2300 | pci_dev_put(dev_priv->bridge_dev); |
9a298b2a | 2301 | kfree(dev->dev_private); |
ba8bbcf6 | 2302 | |
22eae947 DA |
2303 | return 0; |
2304 | } | |
2305 | ||
673a394b EA |
2306 | int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv) |
2307 | { | |
2308 | struct drm_i915_file_private *i915_file_priv; | |
2309 | ||
8a4c47f3 | 2310 | DRM_DEBUG_DRIVER("\n"); |
673a394b | 2311 | i915_file_priv = (struct drm_i915_file_private *) |
9a298b2a | 2312 | kmalloc(sizeof(*i915_file_priv), GFP_KERNEL); |
673a394b EA |
2313 | |
2314 | if (!i915_file_priv) | |
2315 | return -ENOMEM; | |
2316 | ||
2317 | file_priv->driver_priv = i915_file_priv; | |
2318 | ||
b962442e | 2319 | INIT_LIST_HEAD(&i915_file_priv->mm.request_list); |
673a394b EA |
2320 | |
2321 | return 0; | |
2322 | } | |
2323 | ||
79e53945 JB |
2324 | /** |
2325 | * i915_driver_lastclose - clean up after all DRM clients have exited | |
2326 | * @dev: DRM device | |
2327 | * | |
2328 | * Take care of cleaning up after all DRM clients have exited. In the | |
2329 | * mode setting case, we want to restore the kernel's initial mode (just | |
2330 | * in case the last client left us in a bad state). | |
2331 | * | |
2332 | * Additionally, in the non-mode setting case, we'll tear down the AGP | |
2333 | * and DMA structures, since the kernel won't be using them, and clea | |
2334 | * up any GEM state. | |
2335 | */ | |
84b1fd10 | 2336 | void i915_driver_lastclose(struct drm_device * dev) |
1da177e4 | 2337 | { |
ba8bbcf6 JB |
2338 | drm_i915_private_t *dev_priv = dev->dev_private; |
2339 | ||
79e53945 | 2340 | if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { |
785b93ef | 2341 | drm_fb_helper_restore(); |
6a9ee8af | 2342 | vga_switcheroo_process_delayed_switch(); |
144a75fa | 2343 | return; |
79e53945 | 2344 | } |
144a75fa | 2345 | |
673a394b EA |
2346 | i915_gem_lastclose(dev); |
2347 | ||
ba8bbcf6 | 2348 | if (dev_priv->agp_heap) |
b5e89ed5 | 2349 | i915_mem_takedown(&(dev_priv->agp_heap)); |
ba8bbcf6 | 2350 | |
b5e89ed5 | 2351 | i915_dma_cleanup(dev); |
1da177e4 LT |
2352 | } |
2353 | ||
6c340eac | 2354 | void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
1da177e4 | 2355 | { |
ba8bbcf6 | 2356 | drm_i915_private_t *dev_priv = dev->dev_private; |
b962442e | 2357 | i915_gem_release(dev, file_priv); |
79e53945 JB |
2358 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2359 | i915_mem_release(dev, file_priv, dev_priv->agp_heap); | |
1da177e4 LT |
2360 | } |
2361 | ||
673a394b EA |
2362 | void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv) |
2363 | { | |
2364 | struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv; | |
2365 | ||
9a298b2a | 2366 | kfree(i915_file_priv); |
673a394b EA |
2367 | } |
2368 | ||
c153f45f | 2369 | struct drm_ioctl_desc i915_ioctls[] = { |
1b2f1489 DA |
2370 | DRM_IOCTL_DEF_DRV(I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
2371 | DRM_IOCTL_DEF_DRV(I915_FLUSH, i915_flush_ioctl, DRM_AUTH), | |
2372 | DRM_IOCTL_DEF_DRV(I915_FLIP, i915_flip_bufs, DRM_AUTH), | |
2373 | DRM_IOCTL_DEF_DRV(I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), | |
2374 | DRM_IOCTL_DEF_DRV(I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), | |
2375 | DRM_IOCTL_DEF_DRV(I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), | |
2376 | DRM_IOCTL_DEF_DRV(I915_GETPARAM, i915_getparam, DRM_AUTH), | |
2377 | DRM_IOCTL_DEF_DRV(I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
2378 | DRM_IOCTL_DEF_DRV(I915_ALLOC, i915_mem_alloc, DRM_AUTH), | |
2379 | DRM_IOCTL_DEF_DRV(I915_FREE, i915_mem_free, DRM_AUTH), | |
2380 | DRM_IOCTL_DEF_DRV(I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
2381 | DRM_IOCTL_DEF_DRV(I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), | |
2382 | DRM_IOCTL_DEF_DRV(I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
2383 | DRM_IOCTL_DEF_DRV(I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
2384 | DRM_IOCTL_DEF_DRV(I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH), | |
2385 | DRM_IOCTL_DEF_DRV(I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), | |
2386 | DRM_IOCTL_DEF_DRV(I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
2387 | DRM_IOCTL_DEF_DRV(I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
2388 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED), | |
2389 | DRM_IOCTL_DEF_DRV(I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED), | |
2390 | DRM_IOCTL_DEF_DRV(I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
2391 | DRM_IOCTL_DEF_DRV(I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
2392 | DRM_IOCTL_DEF_DRV(I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
2393 | DRM_IOCTL_DEF_DRV(I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
2394 | DRM_IOCTL_DEF_DRV(I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
2395 | DRM_IOCTL_DEF_DRV(I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
2396 | DRM_IOCTL_DEF_DRV(I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED), | |
2397 | DRM_IOCTL_DEF_DRV(I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED), | |
2398 | DRM_IOCTL_DEF_DRV(I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED), | |
2399 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED), | |
2400 | DRM_IOCTL_DEF_DRV(I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED), | |
2401 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED), | |
2402 | DRM_IOCTL_DEF_DRV(I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED), | |
2403 | DRM_IOCTL_DEF_DRV(I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED), | |
2404 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED), | |
2405 | DRM_IOCTL_DEF_DRV(I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED), | |
2406 | DRM_IOCTL_DEF_DRV(I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED), | |
2407 | DRM_IOCTL_DEF_DRV(I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED), | |
2408 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), | |
2409 | DRM_IOCTL_DEF_DRV(I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), | |
c94f7029 DA |
2410 | }; |
2411 | ||
2412 | int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); | |
cda17380 DA |
2413 | |
2414 | /** | |
2415 | * Determine if the device really is AGP or not. | |
2416 | * | |
2417 | * All Intel graphics chipsets are treated as AGP, even if they are really | |
2418 | * PCI-e. | |
2419 | * | |
2420 | * \param dev The device to be tested. | |
2421 | * | |
2422 | * \returns | |
2423 | * A value of 1 is always retured to indictate every i9x5 is AGP. | |
2424 | */ | |
84b1fd10 | 2425 | int i915_driver_device_is_agp(struct drm_device * dev) |
cda17380 DA |
2426 | { |
2427 | return 1; | |
2428 | } |