Commit | Line | Data |
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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" |
28d52043 | 37 | #include <linux/vgaarb.h> |
c4804411 ZW |
38 | #include <linux/acpi.h> |
39 | #include <linux/pnp.h> | |
6a9ee8af | 40 | #include <linux/vga_switcheroo.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
1da177e4 | 42 | |
1da177e4 LT |
43 | /* Really want an OS-independent resettable timer. Would like to have |
44 | * this loop run for (eg) 3 sec, but have the timer reset every time | |
45 | * the head pointer changes, so that EBUSY only happens if the ring | |
46 | * actually stalls for (eg) 3 seconds. | |
47 | */ | |
84b1fd10 | 48 | int i915_wait_ring(struct drm_device * dev, int n, const char *caller) |
1da177e4 LT |
49 | { |
50 | drm_i915_private_t *dev_priv = dev->dev_private; | |
51 | drm_i915_ring_buffer_t *ring = &(dev_priv->ring); | |
d3a6d446 KP |
52 | u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD; |
53 | u32 last_acthd = I915_READ(acthd_reg); | |
54 | u32 acthd; | |
585fb111 | 55 | u32 last_head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
1da177e4 LT |
56 | int i; |
57 | ||
1c5d22f7 CW |
58 | trace_i915_ring_wait_begin (dev); |
59 | ||
d3a6d446 | 60 | for (i = 0; i < 100000; i++) { |
585fb111 | 61 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
d3a6d446 | 62 | acthd = I915_READ(acthd_reg); |
1da177e4 LT |
63 | ring->space = ring->head - (ring->tail + 8); |
64 | if (ring->space < 0) | |
65 | ring->space += ring->Size; | |
1c5d22f7 CW |
66 | if (ring->space >= n) { |
67 | trace_i915_ring_wait_end (dev); | |
1da177e4 | 68 | return 0; |
1c5d22f7 | 69 | } |
1da177e4 | 70 | |
98787c05 CW |
71 | if (dev->primary->master) { |
72 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; | |
73 | if (master_priv->sarea_priv) | |
74 | master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; | |
75 | } | |
76 | ||
1da177e4 LT |
77 | |
78 | if (ring->head != last_head) | |
79 | i = 0; | |
d3a6d446 KP |
80 | if (acthd != last_acthd) |
81 | i = 0; | |
1da177e4 LT |
82 | |
83 | last_head = ring->head; | |
d3a6d446 KP |
84 | last_acthd = acthd; |
85 | msleep_interruptible(10); | |
86 | ||
1da177e4 LT |
87 | } |
88 | ||
1c5d22f7 | 89 | trace_i915_ring_wait_end (dev); |
20caafa6 | 90 | return -EBUSY; |
1da177e4 LT |
91 | } |
92 | ||
0ef82af7 CW |
93 | /* As a ringbuffer is only allowed to wrap between instructions, fill |
94 | * the tail with NOOPs. | |
95 | */ | |
96 | int i915_wrap_ring(struct drm_device *dev) | |
97 | { | |
98 | drm_i915_private_t *dev_priv = dev->dev_private; | |
99 | volatile unsigned int *virt; | |
100 | int rem; | |
101 | ||
102 | rem = dev_priv->ring.Size - dev_priv->ring.tail; | |
103 | if (dev_priv->ring.space < rem) { | |
104 | int ret = i915_wait_ring(dev, rem, __func__); | |
105 | if (ret) | |
106 | return ret; | |
107 | } | |
108 | dev_priv->ring.space -= rem; | |
109 | ||
110 | virt = (unsigned int *) | |
111 | (dev_priv->ring.virtual_start + dev_priv->ring.tail); | |
112 | rem /= 4; | |
113 | while (rem--) | |
114 | *virt++ = MI_NOOP; | |
115 | ||
116 | dev_priv->ring.tail = 0; | |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
398c9cb2 KP |
121 | /** |
122 | * Sets up the hardware status page for devices that need a physical address | |
123 | * in the register. | |
124 | */ | |
3043c60c | 125 | static int i915_init_phys_hws(struct drm_device *dev) |
398c9cb2 KP |
126 | { |
127 | drm_i915_private_t *dev_priv = dev->dev_private; | |
128 | /* Program Hardware Status Page */ | |
129 | dev_priv->status_page_dmah = | |
e6be8d9d | 130 | drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); |
398c9cb2 KP |
131 | |
132 | if (!dev_priv->status_page_dmah) { | |
133 | DRM_ERROR("Can not allocate hardware status page\n"); | |
134 | return -ENOMEM; | |
135 | } | |
136 | dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; | |
137 | dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; | |
138 | ||
139 | memset(dev_priv->hw_status_page, 0, PAGE_SIZE); | |
140 | ||
9b974cc1 ZW |
141 | if (IS_I965G(dev)) |
142 | dev_priv->dma_status_page |= (dev_priv->dma_status_page >> 28) & | |
143 | 0xf0; | |
144 | ||
398c9cb2 | 145 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
8a4c47f3 | 146 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
398c9cb2 KP |
147 | return 0; |
148 | } | |
149 | ||
150 | /** | |
151 | * Frees the hardware status page, whether it's a physical address or a virtual | |
152 | * address set up by the X Server. | |
153 | */ | |
3043c60c | 154 | static void i915_free_hws(struct drm_device *dev) |
398c9cb2 KP |
155 | { |
156 | drm_i915_private_t *dev_priv = dev->dev_private; | |
157 | if (dev_priv->status_page_dmah) { | |
158 | drm_pci_free(dev, dev_priv->status_page_dmah); | |
159 | dev_priv->status_page_dmah = NULL; | |
160 | } | |
161 | ||
162 | if (dev_priv->status_gfx_addr) { | |
163 | dev_priv->status_gfx_addr = 0; | |
164 | drm_core_ioremapfree(&dev_priv->hws_map, dev); | |
165 | } | |
166 | ||
167 | /* Need to rewrite hardware status page */ | |
168 | I915_WRITE(HWS_PGA, 0x1ffff000); | |
169 | } | |
170 | ||
84b1fd10 | 171 | void i915_kernel_lost_context(struct drm_device * dev) |
1da177e4 LT |
172 | { |
173 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 | 174 | struct drm_i915_master_private *master_priv; |
1da177e4 LT |
175 | drm_i915_ring_buffer_t *ring = &(dev_priv->ring); |
176 | ||
79e53945 JB |
177 | /* |
178 | * We should never lose context on the ring with modesetting | |
179 | * as we don't expose it to userspace | |
180 | */ | |
181 | if (drm_core_check_feature(dev, DRIVER_MODESET)) | |
182 | return; | |
183 | ||
585fb111 JB |
184 | ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR; |
185 | ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR; | |
1da177e4 LT |
186 | ring->space = ring->head - (ring->tail + 8); |
187 | if (ring->space < 0) | |
188 | ring->space += ring->Size; | |
189 | ||
7c1c2871 DA |
190 | if (!dev->primary->master) |
191 | return; | |
192 | ||
193 | master_priv = dev->primary->master->driver_priv; | |
194 | if (ring->head == ring->tail && master_priv->sarea_priv) | |
195 | master_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; | |
1da177e4 LT |
196 | } |
197 | ||
84b1fd10 | 198 | static int i915_dma_cleanup(struct drm_device * dev) |
1da177e4 | 199 | { |
ba8bbcf6 | 200 | drm_i915_private_t *dev_priv = dev->dev_private; |
1da177e4 LT |
201 | /* Make sure interrupts are disabled here because the uninstall ioctl |
202 | * may not have been called from userspace and after dev_private | |
203 | * is freed, it's too late. | |
204 | */ | |
ed4cb414 | 205 | if (dev->irq_enabled) |
b5e89ed5 | 206 | drm_irq_uninstall(dev); |
1da177e4 | 207 | |
ba8bbcf6 JB |
208 | if (dev_priv->ring.virtual_start) { |
209 | drm_core_ioremapfree(&dev_priv->ring.map, dev); | |
3043c60c EA |
210 | dev_priv->ring.virtual_start = NULL; |
211 | dev_priv->ring.map.handle = NULL; | |
ba8bbcf6 JB |
212 | dev_priv->ring.map.size = 0; |
213 | } | |
dc7a9319 | 214 | |
398c9cb2 KP |
215 | /* Clear the HWS virtual address at teardown */ |
216 | if (I915_NEED_GFX_HWS(dev)) | |
217 | i915_free_hws(dev); | |
1da177e4 LT |
218 | |
219 | return 0; | |
220 | } | |
221 | ||
ba8bbcf6 | 222 | static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init) |
1da177e4 | 223 | { |
ba8bbcf6 | 224 | drm_i915_private_t *dev_priv = dev->dev_private; |
7c1c2871 | 225 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 226 | |
3a03ac1a DA |
227 | master_priv->sarea = drm_getsarea(dev); |
228 | if (master_priv->sarea) { | |
229 | master_priv->sarea_priv = (drm_i915_sarea_t *) | |
230 | ((u8 *)master_priv->sarea->handle + init->sarea_priv_offset); | |
231 | } else { | |
8a4c47f3 | 232 | DRM_DEBUG_DRIVER("sarea not found assuming DRI2 userspace\n"); |
3a03ac1a DA |
233 | } |
234 | ||
673a394b EA |
235 | if (init->ring_size != 0) { |
236 | if (dev_priv->ring.ring_obj != NULL) { | |
237 | i915_dma_cleanup(dev); | |
238 | DRM_ERROR("Client tried to initialize ringbuffer in " | |
239 | "GEM mode\n"); | |
240 | return -EINVAL; | |
241 | } | |
1da177e4 | 242 | |
673a394b | 243 | dev_priv->ring.Size = init->ring_size; |
1da177e4 | 244 | |
673a394b EA |
245 | dev_priv->ring.map.offset = init->ring_start; |
246 | dev_priv->ring.map.size = init->ring_size; | |
247 | dev_priv->ring.map.type = 0; | |
248 | dev_priv->ring.map.flags = 0; | |
249 | dev_priv->ring.map.mtrr = 0; | |
1da177e4 | 250 | |
6fb88588 | 251 | drm_core_ioremap_wc(&dev_priv->ring.map, dev); |
673a394b EA |
252 | |
253 | if (dev_priv->ring.map.handle == NULL) { | |
254 | i915_dma_cleanup(dev); | |
255 | DRM_ERROR("can not ioremap virtual address for" | |
256 | " ring buffer\n"); | |
257 | return -ENOMEM; | |
258 | } | |
1da177e4 LT |
259 | } |
260 | ||
261 | dev_priv->ring.virtual_start = dev_priv->ring.map.handle; | |
262 | ||
a6b54f3f | 263 | dev_priv->cpp = init->cpp; |
1da177e4 LT |
264 | dev_priv->back_offset = init->back_offset; |
265 | dev_priv->front_offset = init->front_offset; | |
266 | dev_priv->current_page = 0; | |
7c1c2871 DA |
267 | if (master_priv->sarea_priv) |
268 | master_priv->sarea_priv->pf_current_page = 0; | |
1da177e4 | 269 | |
1da177e4 LT |
270 | /* Allow hardware batchbuffers unless told otherwise. |
271 | */ | |
272 | dev_priv->allow_batchbuffer = 1; | |
273 | ||
1da177e4 LT |
274 | return 0; |
275 | } | |
276 | ||
84b1fd10 | 277 | static int i915_dma_resume(struct drm_device * dev) |
1da177e4 LT |
278 | { |
279 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; | |
280 | ||
8a4c47f3 | 281 | DRM_DEBUG_DRIVER("%s\n", __func__); |
1da177e4 | 282 | |
1da177e4 LT |
283 | if (dev_priv->ring.map.handle == NULL) { |
284 | DRM_ERROR("can not ioremap virtual address for" | |
285 | " ring buffer\n"); | |
20caafa6 | 286 | return -ENOMEM; |
1da177e4 LT |
287 | } |
288 | ||
289 | /* Program Hardware Status Page */ | |
290 | if (!dev_priv->hw_status_page) { | |
291 | DRM_ERROR("Can not find hardware status page\n"); | |
20caafa6 | 292 | return -EINVAL; |
1da177e4 | 293 | } |
8a4c47f3 | 294 | DRM_DEBUG_DRIVER("hw status page @ %p\n", |
be25ed9c | 295 | dev_priv->hw_status_page); |
1da177e4 | 296 | |
dc7a9319 | 297 | if (dev_priv->status_gfx_addr != 0) |
585fb111 | 298 | I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); |
dc7a9319 | 299 | else |
585fb111 | 300 | I915_WRITE(HWS_PGA, dev_priv->dma_status_page); |
8a4c47f3 | 301 | DRM_DEBUG_DRIVER("Enabled hardware status page\n"); |
1da177e4 LT |
302 | |
303 | return 0; | |
304 | } | |
305 | ||
c153f45f EA |
306 | static int i915_dma_init(struct drm_device *dev, void *data, |
307 | struct drm_file *file_priv) | |
1da177e4 | 308 | { |
c153f45f | 309 | drm_i915_init_t *init = data; |
1da177e4 LT |
310 | int retcode = 0; |
311 | ||
c153f45f | 312 | switch (init->func) { |
1da177e4 | 313 | case I915_INIT_DMA: |
ba8bbcf6 | 314 | retcode = i915_initialize(dev, init); |
1da177e4 LT |
315 | break; |
316 | case I915_CLEANUP_DMA: | |
317 | retcode = i915_dma_cleanup(dev); | |
318 | break; | |
319 | case I915_RESUME_DMA: | |
0d6aa60b | 320 | retcode = i915_dma_resume(dev); |
1da177e4 LT |
321 | break; |
322 | default: | |
20caafa6 | 323 | retcode = -EINVAL; |
1da177e4 LT |
324 | break; |
325 | } | |
326 | ||
327 | return retcode; | |
328 | } | |
329 | ||
330 | /* Implement basically the same security restrictions as hardware does | |
331 | * for MI_BATCH_NON_SECURE. These can be made stricter at any time. | |
332 | * | |
333 | * Most of the calculations below involve calculating the size of a | |
334 | * particular instruction. It's important to get the size right as | |
335 | * that tells us where the next instruction to check is. Any illegal | |
336 | * instruction detected will be given a size of zero, which is a | |
337 | * signal to abort the rest of the buffer. | |
338 | */ | |
339 | static int do_validate_cmd(int cmd) | |
340 | { | |
341 | switch (((cmd >> 29) & 0x7)) { | |
342 | case 0x0: | |
343 | switch ((cmd >> 23) & 0x3f) { | |
344 | case 0x0: | |
345 | return 1; /* MI_NOOP */ | |
346 | case 0x4: | |
347 | return 1; /* MI_FLUSH */ | |
348 | default: | |
349 | return 0; /* disallow everything else */ | |
350 | } | |
351 | break; | |
352 | case 0x1: | |
353 | return 0; /* reserved */ | |
354 | case 0x2: | |
355 | return (cmd & 0xff) + 2; /* 2d commands */ | |
356 | case 0x3: | |
357 | if (((cmd >> 24) & 0x1f) <= 0x18) | |
358 | return 1; | |
359 | ||
360 | switch ((cmd >> 24) & 0x1f) { | |
361 | case 0x1c: | |
362 | return 1; | |
363 | case 0x1d: | |
b5e89ed5 | 364 | switch ((cmd >> 16) & 0xff) { |
1da177e4 LT |
365 | case 0x3: |
366 | return (cmd & 0x1f) + 2; | |
367 | case 0x4: | |
368 | return (cmd & 0xf) + 2; | |
369 | default: | |
370 | return (cmd & 0xffff) + 2; | |
371 | } | |
372 | case 0x1e: | |
373 | if (cmd & (1 << 23)) | |
374 | return (cmd & 0xffff) + 1; | |
375 | else | |
376 | return 1; | |
377 | case 0x1f: | |
378 | if ((cmd & (1 << 23)) == 0) /* inline vertices */ | |
379 | return (cmd & 0x1ffff) + 2; | |
380 | else if (cmd & (1 << 17)) /* indirect random */ | |
381 | if ((cmd & 0xffff) == 0) | |
382 | return 0; /* unknown length, too hard */ | |
383 | else | |
384 | return (((cmd & 0xffff) + 1) / 2) + 1; | |
385 | else | |
386 | return 2; /* indirect sequential */ | |
387 | default: | |
388 | return 0; | |
389 | } | |
390 | default: | |
391 | return 0; | |
392 | } | |
393 | ||
394 | return 0; | |
395 | } | |
396 | ||
397 | static int validate_cmd(int cmd) | |
398 | { | |
399 | int ret = do_validate_cmd(cmd); | |
400 | ||
bc5f4523 | 401 | /* printk("validate_cmd( %x ): %d\n", cmd, ret); */ |
1da177e4 LT |
402 | |
403 | return ret; | |
404 | } | |
405 | ||
201361a5 | 406 | static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords) |
1da177e4 LT |
407 | { |
408 | drm_i915_private_t *dev_priv = dev->dev_private; | |
409 | int i; | |
410 | RING_LOCALS; | |
411 | ||
de227f5f | 412 | if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8) |
20caafa6 | 413 | return -EINVAL; |
de227f5f | 414 | |
c29b669c | 415 | BEGIN_LP_RING((dwords+1)&~1); |
de227f5f | 416 | |
1da177e4 LT |
417 | for (i = 0; i < dwords;) { |
418 | int cmd, sz; | |
419 | ||
201361a5 | 420 | cmd = buffer[i]; |
1da177e4 | 421 | |
1da177e4 | 422 | if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) |
20caafa6 | 423 | return -EINVAL; |
1da177e4 | 424 | |
1da177e4 LT |
425 | OUT_RING(cmd); |
426 | ||
427 | while (++i, --sz) { | |
201361a5 | 428 | OUT_RING(buffer[i]); |
1da177e4 | 429 | } |
1da177e4 LT |
430 | } |
431 | ||
de227f5f DA |
432 | if (dwords & 1) |
433 | OUT_RING(0); | |
434 | ||
435 | ADVANCE_LP_RING(); | |
436 | ||
1da177e4 LT |
437 | return 0; |
438 | } | |
439 | ||
673a394b EA |
440 | int |
441 | i915_emit_box(struct drm_device *dev, | |
201361a5 | 442 | struct drm_clip_rect *boxes, |
673a394b | 443 | int i, int DR1, int DR4) |
1da177e4 LT |
444 | { |
445 | drm_i915_private_t *dev_priv = dev->dev_private; | |
201361a5 | 446 | struct drm_clip_rect box = boxes[i]; |
1da177e4 LT |
447 | RING_LOCALS; |
448 | ||
1da177e4 LT |
449 | if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { |
450 | DRM_ERROR("Bad box %d,%d..%d,%d\n", | |
451 | box.x1, box.y1, box.x2, box.y2); | |
20caafa6 | 452 | return -EINVAL; |
1da177e4 LT |
453 | } |
454 | ||
c29b669c AH |
455 | if (IS_I965G(dev)) { |
456 | BEGIN_LP_RING(4); | |
457 | OUT_RING(GFX_OP_DRAWRECT_INFO_I965); | |
458 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); | |
78eca43d | 459 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); |
c29b669c AH |
460 | OUT_RING(DR4); |
461 | ADVANCE_LP_RING(); | |
462 | } else { | |
463 | BEGIN_LP_RING(6); | |
464 | OUT_RING(GFX_OP_DRAWRECT_INFO); | |
465 | OUT_RING(DR1); | |
466 | OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); | |
467 | OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); | |
468 | OUT_RING(DR4); | |
469 | OUT_RING(0); | |
470 | ADVANCE_LP_RING(); | |
471 | } | |
1da177e4 LT |
472 | |
473 | return 0; | |
474 | } | |
475 | ||
c29b669c AH |
476 | /* XXX: Emitting the counter should really be moved to part of the IRQ |
477 | * emit. For now, do it in both places: | |
478 | */ | |
479 | ||
84b1fd10 | 480 | static void i915_emit_breadcrumb(struct drm_device *dev) |
de227f5f DA |
481 | { |
482 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 | 483 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
de227f5f DA |
484 | RING_LOCALS; |
485 | ||
c99b058f | 486 | dev_priv->counter++; |
af6061af | 487 | if (dev_priv->counter > 0x7FFFFFFFUL) |
c99b058f | 488 | dev_priv->counter = 0; |
7c1c2871 DA |
489 | if (master_priv->sarea_priv) |
490 | master_priv->sarea_priv->last_enqueue = dev_priv->counter; | |
de227f5f DA |
491 | |
492 | BEGIN_LP_RING(4); | |
585fb111 | 493 | OUT_RING(MI_STORE_DWORD_INDEX); |
0baf823a | 494 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
de227f5f DA |
495 | OUT_RING(dev_priv->counter); |
496 | OUT_RING(0); | |
497 | ADVANCE_LP_RING(); | |
498 | } | |
499 | ||
84b1fd10 | 500 | static int i915_dispatch_cmdbuffer(struct drm_device * dev, |
201361a5 EA |
501 | drm_i915_cmdbuffer_t *cmd, |
502 | struct drm_clip_rect *cliprects, | |
503 | void *cmdbuf) | |
1da177e4 LT |
504 | { |
505 | int nbox = cmd->num_cliprects; | |
506 | int i = 0, count, ret; | |
507 | ||
508 | if (cmd->sz & 0x3) { | |
509 | DRM_ERROR("alignment"); | |
20caafa6 | 510 | return -EINVAL; |
1da177e4 LT |
511 | } |
512 | ||
513 | i915_kernel_lost_context(dev); | |
514 | ||
515 | count = nbox ? nbox : 1; | |
516 | ||
517 | for (i = 0; i < count; i++) { | |
518 | if (i < nbox) { | |
201361a5 | 519 | ret = i915_emit_box(dev, cliprects, i, |
1da177e4 LT |
520 | cmd->DR1, cmd->DR4); |
521 | if (ret) | |
522 | return ret; | |
523 | } | |
524 | ||
201361a5 | 525 | ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4); |
1da177e4 LT |
526 | if (ret) |
527 | return ret; | |
528 | } | |
529 | ||
de227f5f | 530 | i915_emit_breadcrumb(dev); |
1da177e4 LT |
531 | return 0; |
532 | } | |
533 | ||
84b1fd10 | 534 | static int i915_dispatch_batchbuffer(struct drm_device * dev, |
201361a5 EA |
535 | drm_i915_batchbuffer_t * batch, |
536 | struct drm_clip_rect *cliprects) | |
1da177e4 LT |
537 | { |
538 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1da177e4 LT |
539 | int nbox = batch->num_cliprects; |
540 | int i = 0, count; | |
541 | RING_LOCALS; | |
542 | ||
543 | if ((batch->start | batch->used) & 0x7) { | |
544 | DRM_ERROR("alignment"); | |
20caafa6 | 545 | return -EINVAL; |
1da177e4 LT |
546 | } |
547 | ||
548 | i915_kernel_lost_context(dev); | |
549 | ||
550 | count = nbox ? nbox : 1; | |
551 | ||
552 | for (i = 0; i < count; i++) { | |
553 | if (i < nbox) { | |
201361a5 | 554 | int ret = i915_emit_box(dev, cliprects, i, |
1da177e4 LT |
555 | batch->DR1, batch->DR4); |
556 | if (ret) | |
557 | return ret; | |
558 | } | |
559 | ||
0790d5e1 | 560 | if (!IS_I830(dev) && !IS_845G(dev)) { |
1da177e4 | 561 | BEGIN_LP_RING(2); |
21f16289 DA |
562 | if (IS_I965G(dev)) { |
563 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6) | MI_BATCH_NON_SECURE_I965); | |
564 | OUT_RING(batch->start); | |
565 | } else { | |
566 | OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); | |
567 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); | |
568 | } | |
1da177e4 LT |
569 | ADVANCE_LP_RING(); |
570 | } else { | |
571 | BEGIN_LP_RING(4); | |
572 | OUT_RING(MI_BATCH_BUFFER); | |
573 | OUT_RING(batch->start | MI_BATCH_NON_SECURE); | |
574 | OUT_RING(batch->start + batch->used - 4); | |
575 | OUT_RING(0); | |
576 | ADVANCE_LP_RING(); | |
577 | } | |
578 | } | |
579 | ||
de227f5f | 580 | i915_emit_breadcrumb(dev); |
1da177e4 LT |
581 | |
582 | return 0; | |
583 | } | |
584 | ||
af6061af | 585 | static int i915_dispatch_flip(struct drm_device * dev) |
1da177e4 LT |
586 | { |
587 | drm_i915_private_t *dev_priv = dev->dev_private; | |
7c1c2871 DA |
588 | struct drm_i915_master_private *master_priv = |
589 | dev->primary->master->driver_priv; | |
1da177e4 LT |
590 | RING_LOCALS; |
591 | ||
7c1c2871 | 592 | if (!master_priv->sarea_priv) |
c99b058f KH |
593 | return -EINVAL; |
594 | ||
8a4c47f3 | 595 | DRM_DEBUG_DRIVER("%s: page=%d pfCurrentPage=%d\n", |
be25ed9c | 596 | __func__, |
597 | dev_priv->current_page, | |
598 | master_priv->sarea_priv->pf_current_page); | |
1da177e4 | 599 | |
af6061af DA |
600 | i915_kernel_lost_context(dev); |
601 | ||
602 | BEGIN_LP_RING(2); | |
585fb111 | 603 | OUT_RING(MI_FLUSH | MI_READ_FLUSH); |
af6061af DA |
604 | OUT_RING(0); |
605 | ADVANCE_LP_RING(); | |
1da177e4 | 606 | |
af6061af DA |
607 | BEGIN_LP_RING(6); |
608 | OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); | |
609 | OUT_RING(0); | |
610 | if (dev_priv->current_page == 0) { | |
611 | OUT_RING(dev_priv->back_offset); | |
612 | dev_priv->current_page = 1; | |
1da177e4 | 613 | } else { |
af6061af DA |
614 | OUT_RING(dev_priv->front_offset); |
615 | dev_priv->current_page = 0; | |
1da177e4 | 616 | } |
af6061af DA |
617 | OUT_RING(0); |
618 | ADVANCE_LP_RING(); | |
1da177e4 | 619 | |
af6061af DA |
620 | BEGIN_LP_RING(2); |
621 | OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); | |
622 | OUT_RING(0); | |
623 | ADVANCE_LP_RING(); | |
1da177e4 | 624 | |
7c1c2871 | 625 | master_priv->sarea_priv->last_enqueue = dev_priv->counter++; |
1da177e4 LT |
626 | |
627 | BEGIN_LP_RING(4); | |
585fb111 | 628 | OUT_RING(MI_STORE_DWORD_INDEX); |
0baf823a | 629 | OUT_RING(I915_BREADCRUMB_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
af6061af DA |
630 | OUT_RING(dev_priv->counter); |
631 | OUT_RING(0); | |
1da177e4 LT |
632 | ADVANCE_LP_RING(); |
633 | ||
7c1c2871 | 634 | master_priv->sarea_priv->pf_current_page = dev_priv->current_page; |
af6061af | 635 | return 0; |
1da177e4 LT |
636 | } |
637 | ||
84b1fd10 | 638 | static int i915_quiescent(struct drm_device * dev) |
1da177e4 LT |
639 | { |
640 | drm_i915_private_t *dev_priv = dev->dev_private; | |
641 | ||
642 | i915_kernel_lost_context(dev); | |
bf9d8929 | 643 | return i915_wait_ring(dev, dev_priv->ring.Size - 8, __func__); |
1da177e4 LT |
644 | } |
645 | ||
c153f45f EA |
646 | static int i915_flush_ioctl(struct drm_device *dev, void *data, |
647 | struct drm_file *file_priv) | |
1da177e4 | 648 | { |
546b0974 EA |
649 | int ret; |
650 | ||
651 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); | |
1da177e4 | 652 | |
546b0974 EA |
653 | mutex_lock(&dev->struct_mutex); |
654 | ret = i915_quiescent(dev); | |
655 | mutex_unlock(&dev->struct_mutex); | |
656 | ||
657 | return ret; | |
1da177e4 LT |
658 | } |
659 | ||
c153f45f EA |
660 | static int i915_batchbuffer(struct drm_device *dev, void *data, |
661 | struct drm_file *file_priv) | |
1da177e4 | 662 | { |
1da177e4 | 663 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
7c1c2871 | 664 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 665 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
7c1c2871 | 666 | master_priv->sarea_priv; |
c153f45f | 667 | drm_i915_batchbuffer_t *batch = data; |
1da177e4 | 668 | int ret; |
201361a5 | 669 | struct drm_clip_rect *cliprects = NULL; |
1da177e4 LT |
670 | |
671 | if (!dev_priv->allow_batchbuffer) { | |
672 | DRM_ERROR("Batchbuffer ioctl disabled\n"); | |
20caafa6 | 673 | return -EINVAL; |
1da177e4 LT |
674 | } |
675 | ||
8a4c47f3 | 676 | DRM_DEBUG_DRIVER("i915 batchbuffer, start %x used %d cliprects %d\n", |
be25ed9c | 677 | batch->start, batch->used, batch->num_cliprects); |
1da177e4 | 678 | |
546b0974 | 679 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 680 | |
201361a5 EA |
681 | if (batch->num_cliprects < 0) |
682 | return -EINVAL; | |
683 | ||
684 | if (batch->num_cliprects) { | |
9a298b2a EA |
685 | cliprects = kcalloc(batch->num_cliprects, |
686 | sizeof(struct drm_clip_rect), | |
687 | GFP_KERNEL); | |
201361a5 EA |
688 | if (cliprects == NULL) |
689 | return -ENOMEM; | |
690 | ||
691 | ret = copy_from_user(cliprects, batch->cliprects, | |
692 | batch->num_cliprects * | |
693 | sizeof(struct drm_clip_rect)); | |
694 | if (ret != 0) | |
695 | goto fail_free; | |
696 | } | |
1da177e4 | 697 | |
546b0974 | 698 | mutex_lock(&dev->struct_mutex); |
201361a5 | 699 | ret = i915_dispatch_batchbuffer(dev, batch, cliprects); |
546b0974 | 700 | mutex_unlock(&dev->struct_mutex); |
1da177e4 | 701 | |
c99b058f | 702 | if (sarea_priv) |
0baf823a | 703 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
201361a5 EA |
704 | |
705 | fail_free: | |
9a298b2a | 706 | kfree(cliprects); |
201361a5 | 707 | |
1da177e4 LT |
708 | return ret; |
709 | } | |
710 | ||
c153f45f EA |
711 | static int i915_cmdbuffer(struct drm_device *dev, void *data, |
712 | struct drm_file *file_priv) | |
1da177e4 | 713 | { |
1da177e4 | 714 | drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; |
7c1c2871 | 715 | struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv; |
1da177e4 | 716 | drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) |
7c1c2871 | 717 | master_priv->sarea_priv; |
c153f45f | 718 | drm_i915_cmdbuffer_t *cmdbuf = data; |
201361a5 EA |
719 | struct drm_clip_rect *cliprects = NULL; |
720 | void *batch_data; | |
1da177e4 LT |
721 | int ret; |
722 | ||
8a4c47f3 | 723 | DRM_DEBUG_DRIVER("i915 cmdbuffer, buf %p sz %d cliprects %d\n", |
be25ed9c | 724 | cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects); |
1da177e4 | 725 | |
546b0974 | 726 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 727 | |
201361a5 EA |
728 | if (cmdbuf->num_cliprects < 0) |
729 | return -EINVAL; | |
730 | ||
9a298b2a | 731 | batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL); |
201361a5 EA |
732 | if (batch_data == NULL) |
733 | return -ENOMEM; | |
734 | ||
735 | ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz); | |
736 | if (ret != 0) | |
737 | goto fail_batch_free; | |
738 | ||
739 | if (cmdbuf->num_cliprects) { | |
9a298b2a EA |
740 | cliprects = kcalloc(cmdbuf->num_cliprects, |
741 | sizeof(struct drm_clip_rect), GFP_KERNEL); | |
a40e8d31 OA |
742 | if (cliprects == NULL) { |
743 | ret = -ENOMEM; | |
201361a5 | 744 | goto fail_batch_free; |
a40e8d31 | 745 | } |
201361a5 EA |
746 | |
747 | ret = copy_from_user(cliprects, cmdbuf->cliprects, | |
748 | cmdbuf->num_cliprects * | |
749 | sizeof(struct drm_clip_rect)); | |
750 | if (ret != 0) | |
751 | goto fail_clip_free; | |
1da177e4 LT |
752 | } |
753 | ||
546b0974 | 754 | mutex_lock(&dev->struct_mutex); |
201361a5 | 755 | ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data); |
546b0974 | 756 | mutex_unlock(&dev->struct_mutex); |
1da177e4 LT |
757 | if (ret) { |
758 | DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); | |
355d7f37 | 759 | goto fail_clip_free; |
1da177e4 LT |
760 | } |
761 | ||
c99b058f | 762 | if (sarea_priv) |
0baf823a | 763 | sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); |
201361a5 | 764 | |
201361a5 | 765 | fail_clip_free: |
9a298b2a | 766 | kfree(cliprects); |
355d7f37 | 767 | fail_batch_free: |
9a298b2a | 768 | kfree(batch_data); |
201361a5 EA |
769 | |
770 | return ret; | |
1da177e4 LT |
771 | } |
772 | ||
c153f45f EA |
773 | static int i915_flip_bufs(struct drm_device *dev, void *data, |
774 | struct drm_file *file_priv) | |
1da177e4 | 775 | { |
546b0974 EA |
776 | int ret; |
777 | ||
8a4c47f3 | 778 | DRM_DEBUG_DRIVER("%s\n", __func__); |
1da177e4 | 779 | |
546b0974 | 780 | RING_LOCK_TEST_WITH_RETURN(dev, file_priv); |
1da177e4 | 781 | |
546b0974 EA |
782 | mutex_lock(&dev->struct_mutex); |
783 | ret = i915_dispatch_flip(dev); | |
784 | mutex_unlock(&dev->struct_mutex); | |
785 | ||
786 | return ret; | |
1da177e4 LT |
787 | } |
788 | ||
c153f45f EA |
789 | static int i915_getparam(struct drm_device *dev, void *data, |
790 | struct drm_file *file_priv) | |
1da177e4 | 791 | { |
1da177e4 | 792 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 793 | drm_i915_getparam_t *param = data; |
1da177e4 LT |
794 | int value; |
795 | ||
796 | if (!dev_priv) { | |
3e684eae | 797 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 798 | return -EINVAL; |
1da177e4 LT |
799 | } |
800 | ||
c153f45f | 801 | switch (param->param) { |
1da177e4 | 802 | case I915_PARAM_IRQ_ACTIVE: |
0a3e67a4 | 803 | value = dev->pdev->irq ? 1 : 0; |
1da177e4 LT |
804 | break; |
805 | case I915_PARAM_ALLOW_BATCHBUFFER: | |
806 | value = dev_priv->allow_batchbuffer ? 1 : 0; | |
807 | break; | |
0d6aa60b DA |
808 | case I915_PARAM_LAST_DISPATCH: |
809 | value = READ_BREADCRUMB(dev_priv); | |
810 | break; | |
ed4c9c4a KH |
811 | case I915_PARAM_CHIPSET_ID: |
812 | value = dev->pci_device; | |
813 | break; | |
673a394b | 814 | case I915_PARAM_HAS_GEM: |
ac5c4e76 | 815 | value = dev_priv->has_gem; |
673a394b | 816 | break; |
0f973f27 JB |
817 | case I915_PARAM_NUM_FENCES_AVAIL: |
818 | value = dev_priv->num_fence_regs - dev_priv->fence_reg_start; | |
819 | break; | |
02e792fb DV |
820 | case I915_PARAM_HAS_OVERLAY: |
821 | value = dev_priv->overlay ? 1 : 0; | |
822 | break; | |
e9560f7c JB |
823 | case I915_PARAM_HAS_PAGEFLIPPING: |
824 | value = 1; | |
825 | break; | |
76446cac JB |
826 | case I915_PARAM_HAS_EXECBUF2: |
827 | /* depends on GEM */ | |
828 | value = dev_priv->has_gem; | |
829 | break; | |
1da177e4 | 830 | default: |
8a4c47f3 | 831 | DRM_DEBUG_DRIVER("Unknown parameter %d\n", |
76446cac | 832 | param->param); |
20caafa6 | 833 | return -EINVAL; |
1da177e4 LT |
834 | } |
835 | ||
c153f45f | 836 | if (DRM_COPY_TO_USER(param->value, &value, sizeof(int))) { |
1da177e4 | 837 | DRM_ERROR("DRM_COPY_TO_USER failed\n"); |
20caafa6 | 838 | return -EFAULT; |
1da177e4 LT |
839 | } |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
c153f45f EA |
844 | static int i915_setparam(struct drm_device *dev, void *data, |
845 | struct drm_file *file_priv) | |
1da177e4 | 846 | { |
1da177e4 | 847 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 848 | drm_i915_setparam_t *param = data; |
1da177e4 LT |
849 | |
850 | if (!dev_priv) { | |
3e684eae | 851 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 852 | return -EINVAL; |
1da177e4 LT |
853 | } |
854 | ||
c153f45f | 855 | switch (param->param) { |
1da177e4 | 856 | case I915_SETPARAM_USE_MI_BATCHBUFFER_START: |
1da177e4 LT |
857 | break; |
858 | case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: | |
c153f45f | 859 | dev_priv->tex_lru_log_granularity = param->value; |
1da177e4 LT |
860 | break; |
861 | case I915_SETPARAM_ALLOW_BATCHBUFFER: | |
c153f45f | 862 | dev_priv->allow_batchbuffer = param->value; |
1da177e4 | 863 | break; |
0f973f27 JB |
864 | case I915_SETPARAM_NUM_USED_FENCES: |
865 | if (param->value > dev_priv->num_fence_regs || | |
866 | param->value < 0) | |
867 | return -EINVAL; | |
868 | /* Userspace can use first N regs */ | |
869 | dev_priv->fence_reg_start = param->value; | |
870 | break; | |
1da177e4 | 871 | default: |
8a4c47f3 | 872 | DRM_DEBUG_DRIVER("unknown parameter %d\n", |
be25ed9c | 873 | param->param); |
20caafa6 | 874 | return -EINVAL; |
1da177e4 LT |
875 | } |
876 | ||
877 | return 0; | |
878 | } | |
879 | ||
c153f45f EA |
880 | static int i915_set_status_page(struct drm_device *dev, void *data, |
881 | struct drm_file *file_priv) | |
dc7a9319 | 882 | { |
dc7a9319 | 883 | drm_i915_private_t *dev_priv = dev->dev_private; |
c153f45f | 884 | drm_i915_hws_addr_t *hws = data; |
b39d50e5 ZW |
885 | |
886 | if (!I915_NEED_GFX_HWS(dev)) | |
887 | return -EINVAL; | |
dc7a9319 WZ |
888 | |
889 | if (!dev_priv) { | |
3e684eae | 890 | DRM_ERROR("called with no initialization\n"); |
20caafa6 | 891 | return -EINVAL; |
dc7a9319 | 892 | } |
dc7a9319 | 893 | |
79e53945 JB |
894 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
895 | WARN(1, "tried to set status page when mode setting active\n"); | |
896 | return 0; | |
897 | } | |
898 | ||
8a4c47f3 | 899 | DRM_DEBUG_DRIVER("set status page addr 0x%08x\n", (u32)hws->addr); |
c153f45f EA |
900 | |
901 | dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); | |
dc7a9319 | 902 | |
8b409580 | 903 | dev_priv->hws_map.offset = dev->agp->base + hws->addr; |
dc7a9319 WZ |
904 | dev_priv->hws_map.size = 4*1024; |
905 | dev_priv->hws_map.type = 0; | |
906 | dev_priv->hws_map.flags = 0; | |
907 | dev_priv->hws_map.mtrr = 0; | |
908 | ||
dd0910b3 | 909 | drm_core_ioremap_wc(&dev_priv->hws_map, dev); |
dc7a9319 | 910 | if (dev_priv->hws_map.handle == NULL) { |
dc7a9319 WZ |
911 | i915_dma_cleanup(dev); |
912 | dev_priv->status_gfx_addr = 0; | |
913 | DRM_ERROR("can not ioremap virtual address for" | |
914 | " G33 hw status page\n"); | |
20caafa6 | 915 | return -ENOMEM; |
dc7a9319 WZ |
916 | } |
917 | dev_priv->hw_status_page = dev_priv->hws_map.handle; | |
918 | ||
919 | memset(dev_priv->hw_status_page, 0, PAGE_SIZE); | |
585fb111 | 920 | I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); |
8a4c47f3 | 921 | DRM_DEBUG_DRIVER("load hws HWS_PGA with gfx mem 0x%x\n", |
be25ed9c | 922 | dev_priv->status_gfx_addr); |
8a4c47f3 | 923 | DRM_DEBUG_DRIVER("load hws at %p\n", |
be25ed9c | 924 | dev_priv->hw_status_page); |
dc7a9319 WZ |
925 | return 0; |
926 | } | |
927 | ||
ec2a4c3f DA |
928 | static int i915_get_bridge_dev(struct drm_device *dev) |
929 | { | |
930 | struct drm_i915_private *dev_priv = dev->dev_private; | |
931 | ||
932 | dev_priv->bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); | |
933 | if (!dev_priv->bridge_dev) { | |
934 | DRM_ERROR("bridge device not found\n"); | |
935 | return -1; | |
936 | } | |
937 | return 0; | |
938 | } | |
939 | ||
c4804411 ZW |
940 | #define MCHBAR_I915 0x44 |
941 | #define MCHBAR_I965 0x48 | |
942 | #define MCHBAR_SIZE (4*4096) | |
943 | ||
944 | #define DEVEN_REG 0x54 | |
945 | #define DEVEN_MCHBAR_EN (1 << 28) | |
946 | ||
947 | /* Allocate space for the MCH regs if needed, return nonzero on error */ | |
948 | static int | |
949 | intel_alloc_mchbar_resource(struct drm_device *dev) | |
950 | { | |
951 | drm_i915_private_t *dev_priv = dev->dev_private; | |
952 | int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
953 | u32 temp_lo, temp_hi = 0; | |
954 | u64 mchbar_addr; | |
955 | int ret = 0; | |
956 | ||
957 | if (IS_I965G(dev)) | |
958 | pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi); | |
959 | pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo); | |
960 | mchbar_addr = ((u64)temp_hi << 32) | temp_lo; | |
961 | ||
962 | /* If ACPI doesn't have it, assume we need to allocate it ourselves */ | |
963 | #ifdef CONFIG_PNP | |
964 | if (mchbar_addr && | |
965 | pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) { | |
966 | ret = 0; | |
967 | goto out; | |
968 | } | |
969 | #endif | |
970 | ||
971 | /* Get some space for it */ | |
972 | ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res, | |
973 | MCHBAR_SIZE, MCHBAR_SIZE, | |
974 | PCIBIOS_MIN_MEM, | |
975 | 0, pcibios_align_resource, | |
976 | dev_priv->bridge_dev); | |
977 | if (ret) { | |
978 | DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret); | |
979 | dev_priv->mch_res.start = 0; | |
980 | goto out; | |
981 | } | |
982 | ||
983 | if (IS_I965G(dev)) | |
984 | pci_write_config_dword(dev_priv->bridge_dev, reg + 4, | |
985 | upper_32_bits(dev_priv->mch_res.start)); | |
986 | ||
987 | pci_write_config_dword(dev_priv->bridge_dev, reg, | |
988 | lower_32_bits(dev_priv->mch_res.start)); | |
989 | out: | |
990 | return ret; | |
991 | } | |
992 | ||
993 | /* Setup MCHBAR if possible, return true if we should disable it again */ | |
994 | static void | |
995 | intel_setup_mchbar(struct drm_device *dev) | |
996 | { | |
997 | drm_i915_private_t *dev_priv = dev->dev_private; | |
998 | int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
999 | u32 temp; | |
1000 | bool enabled; | |
1001 | ||
1002 | dev_priv->mchbar_need_disable = false; | |
1003 | ||
1004 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
1005 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); | |
1006 | enabled = !!(temp & DEVEN_MCHBAR_EN); | |
1007 | } else { | |
1008 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
1009 | enabled = temp & 1; | |
1010 | } | |
1011 | ||
1012 | /* If it's already enabled, don't have to do anything */ | |
1013 | if (enabled) | |
1014 | return; | |
1015 | ||
1016 | if (intel_alloc_mchbar_resource(dev)) | |
1017 | return; | |
1018 | ||
1019 | dev_priv->mchbar_need_disable = true; | |
1020 | ||
1021 | /* Space is allocated or reserved, so enable it. */ | |
1022 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
1023 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, | |
1024 | temp | DEVEN_MCHBAR_EN); | |
1025 | } else { | |
1026 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
1027 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1); | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | static void | |
1032 | intel_teardown_mchbar(struct drm_device *dev) | |
1033 | { | |
1034 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1035 | int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915; | |
1036 | u32 temp; | |
1037 | ||
1038 | if (dev_priv->mchbar_need_disable) { | |
1039 | if (IS_I915G(dev) || IS_I915GM(dev)) { | |
1040 | pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp); | |
1041 | temp &= ~DEVEN_MCHBAR_EN; | |
1042 | pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp); | |
1043 | } else { | |
1044 | pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp); | |
1045 | temp &= ~1; | |
1046 | pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp); | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | if (dev_priv->mch_res.start) | |
1051 | release_resource(&dev_priv->mch_res); | |
1052 | } | |
1053 | ||
79e53945 JB |
1054 | /** |
1055 | * i915_probe_agp - get AGP bootup configuration | |
1056 | * @pdev: PCI device | |
1057 | * @aperture_size: returns AGP aperture configured size | |
1058 | * @preallocated_size: returns size of BIOS preallocated AGP space | |
1059 | * | |
1060 | * Since Intel integrated graphics are UMA, the BIOS has to set aside | |
1061 | * some RAM for the framebuffer at early boot. This code figures out | |
1062 | * how much was set aside so we can use it for our own purposes. | |
1063 | */ | |
2a34f5e6 | 1064 | static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size, |
80824003 JB |
1065 | uint32_t *preallocated_size, |
1066 | uint32_t *start) | |
79e53945 | 1067 | { |
ec2a4c3f | 1068 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 JB |
1069 | u16 tmp = 0; |
1070 | unsigned long overhead; | |
241fa85b | 1071 | unsigned long stolen; |
79e53945 | 1072 | |
79e53945 | 1073 | /* Get the fb aperture size and "stolen" memory amount. */ |
ec2a4c3f | 1074 | pci_read_config_word(dev_priv->bridge_dev, INTEL_GMCH_CTRL, &tmp); |
79e53945 JB |
1075 | |
1076 | *aperture_size = 1024 * 1024; | |
1077 | *preallocated_size = 1024 * 1024; | |
1078 | ||
60fd99e3 | 1079 | switch (dev->pdev->device) { |
79e53945 JB |
1080 | case PCI_DEVICE_ID_INTEL_82830_CGC: |
1081 | case PCI_DEVICE_ID_INTEL_82845G_IG: | |
1082 | case PCI_DEVICE_ID_INTEL_82855GM_IG: | |
1083 | case PCI_DEVICE_ID_INTEL_82865_IG: | |
1084 | if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) | |
1085 | *aperture_size *= 64; | |
1086 | else | |
1087 | *aperture_size *= 128; | |
1088 | break; | |
1089 | default: | |
1090 | /* 9xx supports large sizes, just look at the length */ | |
60fd99e3 | 1091 | *aperture_size = pci_resource_len(dev->pdev, 2); |
79e53945 JB |
1092 | break; |
1093 | } | |
1094 | ||
1095 | /* | |
1096 | * Some of the preallocated space is taken by the GTT | |
1097 | * and popup. GTT is 1K per MB of aperture size, and popup is 4K. | |
1098 | */ | |
bad720ff | 1099 | if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) |
60fd99e3 EA |
1100 | overhead = 4096; |
1101 | else | |
1102 | overhead = (*aperture_size / 1024) + 4096; | |
1103 | ||
14bc490b ZW |
1104 | if (IS_GEN6(dev)) { |
1105 | /* SNB has memory control reg at 0x50.w */ | |
1106 | pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &tmp); | |
1107 | ||
1108 | switch (tmp & SNB_GMCH_GMS_STOLEN_MASK) { | |
1109 | case INTEL_855_GMCH_GMS_DISABLED: | |
1110 | DRM_ERROR("video memory is disabled\n"); | |
1111 | return -1; | |
1112 | case SNB_GMCH_GMS_STOLEN_32M: | |
1113 | stolen = 32 * 1024 * 1024; | |
1114 | break; | |
1115 | case SNB_GMCH_GMS_STOLEN_64M: | |
bad720ff | 1116 | stolen = 64 * 1024 * 1024; |
14bc490b ZW |
1117 | break; |
1118 | case SNB_GMCH_GMS_STOLEN_96M: | |
1119 | stolen = 96 * 1024 * 1024; | |
1120 | break; | |
1121 | case SNB_GMCH_GMS_STOLEN_128M: | |
1122 | stolen = 128 * 1024 * 1024; | |
1123 | break; | |
1124 | case SNB_GMCH_GMS_STOLEN_160M: | |
1125 | stolen = 160 * 1024 * 1024; | |
1126 | break; | |
1127 | case SNB_GMCH_GMS_STOLEN_192M: | |
1128 | stolen = 192 * 1024 * 1024; | |
1129 | break; | |
1130 | case SNB_GMCH_GMS_STOLEN_224M: | |
1131 | stolen = 224 * 1024 * 1024; | |
1132 | break; | |
1133 | case SNB_GMCH_GMS_STOLEN_256M: | |
1134 | stolen = 256 * 1024 * 1024; | |
1135 | break; | |
1136 | case SNB_GMCH_GMS_STOLEN_288M: | |
1137 | stolen = 288 * 1024 * 1024; | |
1138 | break; | |
1139 | case SNB_GMCH_GMS_STOLEN_320M: | |
1140 | stolen = 320 * 1024 * 1024; | |
1141 | break; | |
1142 | case SNB_GMCH_GMS_STOLEN_352M: | |
1143 | stolen = 352 * 1024 * 1024; | |
1144 | break; | |
1145 | case SNB_GMCH_GMS_STOLEN_384M: | |
1146 | stolen = 384 * 1024 * 1024; | |
1147 | break; | |
1148 | case SNB_GMCH_GMS_STOLEN_416M: | |
1149 | stolen = 416 * 1024 * 1024; | |
1150 | break; | |
1151 | case SNB_GMCH_GMS_STOLEN_448M: | |
1152 | stolen = 448 * 1024 * 1024; | |
1153 | break; | |
1154 | case SNB_GMCH_GMS_STOLEN_480M: | |
1155 | stolen = 480 * 1024 * 1024; | |
1156 | break; | |
1157 | case SNB_GMCH_GMS_STOLEN_512M: | |
1158 | stolen = 512 * 1024 * 1024; | |
1159 | break; | |
1160 | default: | |
1161 | DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", | |
1162 | tmp & SNB_GMCH_GMS_STOLEN_MASK); | |
1163 | return -1; | |
1164 | } | |
1165 | } else { | |
1166 | switch (tmp & INTEL_GMCH_GMS_MASK) { | |
1167 | case INTEL_855_GMCH_GMS_DISABLED: | |
bad720ff EA |
1168 | DRM_ERROR("video memory is disabled\n"); |
1169 | return -1; | |
14bc490b ZW |
1170 | case INTEL_855_GMCH_GMS_STOLEN_1M: |
1171 | stolen = 1 * 1024 * 1024; | |
1172 | break; | |
1173 | case INTEL_855_GMCH_GMS_STOLEN_4M: | |
1174 | stolen = 4 * 1024 * 1024; | |
1175 | break; | |
1176 | case INTEL_855_GMCH_GMS_STOLEN_8M: | |
1177 | stolen = 8 * 1024 * 1024; | |
1178 | break; | |
1179 | case INTEL_855_GMCH_GMS_STOLEN_16M: | |
1180 | stolen = 16 * 1024 * 1024; | |
1181 | break; | |
1182 | case INTEL_855_GMCH_GMS_STOLEN_32M: | |
1183 | stolen = 32 * 1024 * 1024; | |
1184 | break; | |
1185 | case INTEL_915G_GMCH_GMS_STOLEN_48M: | |
1186 | stolen = 48 * 1024 * 1024; | |
1187 | break; | |
1188 | case INTEL_915G_GMCH_GMS_STOLEN_64M: | |
1189 | stolen = 64 * 1024 * 1024; | |
1190 | break; | |
1191 | case INTEL_GMCH_GMS_STOLEN_128M: | |
1192 | stolen = 128 * 1024 * 1024; | |
1193 | break; | |
1194 | case INTEL_GMCH_GMS_STOLEN_256M: | |
1195 | stolen = 256 * 1024 * 1024; | |
1196 | break; | |
1197 | case INTEL_GMCH_GMS_STOLEN_96M: | |
1198 | stolen = 96 * 1024 * 1024; | |
1199 | break; | |
1200 | case INTEL_GMCH_GMS_STOLEN_160M: | |
1201 | stolen = 160 * 1024 * 1024; | |
1202 | break; | |
1203 | case INTEL_GMCH_GMS_STOLEN_224M: | |
1204 | stolen = 224 * 1024 * 1024; | |
1205 | break; | |
1206 | case INTEL_GMCH_GMS_STOLEN_352M: | |
1207 | stolen = 352 * 1024 * 1024; | |
1208 | break; | |
1209 | default: | |
1210 | DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", | |
1211 | tmp & INTEL_GMCH_GMS_MASK); | |
1212 | return -1; | |
bad720ff | 1213 | } |
79e53945 | 1214 | } |
14bc490b | 1215 | |
241fa85b | 1216 | *preallocated_size = stolen - overhead; |
80824003 | 1217 | *start = overhead; |
79e53945 JB |
1218 | |
1219 | return 0; | |
1220 | } | |
1221 | ||
80824003 JB |
1222 | #define PTE_ADDRESS_MASK 0xfffff000 |
1223 | #define PTE_ADDRESS_MASK_HIGH 0x000000f0 /* i915+ */ | |
1224 | #define PTE_MAPPING_TYPE_UNCACHED (0 << 1) | |
1225 | #define PTE_MAPPING_TYPE_DCACHE (1 << 1) /* i830 only */ | |
1226 | #define PTE_MAPPING_TYPE_CACHED (3 << 1) | |
1227 | #define PTE_MAPPING_TYPE_MASK (3 << 1) | |
1228 | #define PTE_VALID (1 << 0) | |
1229 | ||
1230 | /** | |
1231 | * i915_gtt_to_phys - take a GTT address and turn it into a physical one | |
1232 | * @dev: drm device | |
1233 | * @gtt_addr: address to translate | |
1234 | * | |
1235 | * Some chip functions require allocations from stolen space but need the | |
1236 | * physical address of the memory in question. We use this routine | |
1237 | * to get a physical address suitable for register programming from a given | |
1238 | * GTT address. | |
1239 | */ | |
1240 | static unsigned long i915_gtt_to_phys(struct drm_device *dev, | |
1241 | unsigned long gtt_addr) | |
1242 | { | |
1243 | unsigned long *gtt; | |
1244 | unsigned long entry, phys; | |
1245 | int gtt_bar = IS_I9XX(dev) ? 0 : 1; | |
1246 | int gtt_offset, gtt_size; | |
1247 | ||
1248 | if (IS_I965G(dev)) { | |
bad720ff | 1249 | if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) { |
80824003 JB |
1250 | gtt_offset = 2*1024*1024; |
1251 | gtt_size = 2*1024*1024; | |
1252 | } else { | |
1253 | gtt_offset = 512*1024; | |
1254 | gtt_size = 512*1024; | |
1255 | } | |
1256 | } else { | |
1257 | gtt_bar = 3; | |
1258 | gtt_offset = 0; | |
1259 | gtt_size = pci_resource_len(dev->pdev, gtt_bar); | |
1260 | } | |
1261 | ||
1262 | gtt = ioremap_wc(pci_resource_start(dev->pdev, gtt_bar) + gtt_offset, | |
1263 | gtt_size); | |
1264 | if (!gtt) { | |
1265 | DRM_ERROR("ioremap of GTT failed\n"); | |
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | entry = *(volatile u32 *)(gtt + (gtt_addr / 1024)); | |
1270 | ||
44d98a61 | 1271 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, PTE: 0x%08lx\n", gtt_addr, entry); |
80824003 JB |
1272 | |
1273 | /* Mask out these reserved bits on this hardware. */ | |
1274 | if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev) || | |
1275 | IS_I945G(dev) || IS_I945GM(dev)) { | |
1276 | entry &= ~PTE_ADDRESS_MASK_HIGH; | |
1277 | } | |
1278 | ||
1279 | /* If it's not a mapping type we know, then bail. */ | |
1280 | if ((entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_UNCACHED && | |
1281 | (entry & PTE_MAPPING_TYPE_MASK) != PTE_MAPPING_TYPE_CACHED) { | |
1282 | iounmap(gtt); | |
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | if (!(entry & PTE_VALID)) { | |
1287 | DRM_ERROR("bad GTT entry in stolen space\n"); | |
1288 | iounmap(gtt); | |
1289 | return 0; | |
1290 | } | |
1291 | ||
1292 | iounmap(gtt); | |
1293 | ||
1294 | phys =(entry & PTE_ADDRESS_MASK) | | |
1295 | ((uint64_t)(entry & PTE_ADDRESS_MASK_HIGH) << (32 - 4)); | |
1296 | ||
44d98a61 | 1297 | DRM_DEBUG_DRIVER("GTT addr: 0x%08lx, phys addr: 0x%08lx\n", gtt_addr, phys); |
80824003 JB |
1298 | |
1299 | return phys; | |
1300 | } | |
1301 | ||
1302 | static void i915_warn_stolen(struct drm_device *dev) | |
1303 | { | |
1304 | DRM_ERROR("not enough stolen space for compressed buffer, disabling\n"); | |
1305 | DRM_ERROR("hint: you may be able to increase stolen memory size in the BIOS to avoid this\n"); | |
1306 | } | |
1307 | ||
1308 | static void i915_setup_compression(struct drm_device *dev, int size) | |
1309 | { | |
1310 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1311 | struct drm_mm_node *compressed_fb, *compressed_llb; | |
29bd0ae2 AM |
1312 | unsigned long cfb_base; |
1313 | unsigned long ll_base = 0; | |
80824003 JB |
1314 | |
1315 | /* Leave 1M for line length buffer & misc. */ | |
1316 | compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0); | |
1317 | if (!compressed_fb) { | |
b5e50c3f | 1318 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
80824003 JB |
1319 | i915_warn_stolen(dev); |
1320 | return; | |
1321 | } | |
1322 | ||
1323 | compressed_fb = drm_mm_get_block(compressed_fb, size, 4096); | |
1324 | if (!compressed_fb) { | |
1325 | i915_warn_stolen(dev); | |
b5e50c3f | 1326 | dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL; |
80824003 JB |
1327 | return; |
1328 | } | |
1329 | ||
74dff282 JB |
1330 | cfb_base = i915_gtt_to_phys(dev, compressed_fb->start); |
1331 | if (!cfb_base) { | |
1332 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); | |
1333 | drm_mm_put_block(compressed_fb); | |
80824003 JB |
1334 | } |
1335 | ||
74dff282 JB |
1336 | if (!IS_GM45(dev)) { |
1337 | compressed_llb = drm_mm_search_free(&dev_priv->vram, 4096, | |
1338 | 4096, 0); | |
1339 | if (!compressed_llb) { | |
1340 | i915_warn_stolen(dev); | |
1341 | return; | |
1342 | } | |
1343 | ||
1344 | compressed_llb = drm_mm_get_block(compressed_llb, 4096, 4096); | |
1345 | if (!compressed_llb) { | |
1346 | i915_warn_stolen(dev); | |
1347 | return; | |
1348 | } | |
1349 | ||
1350 | ll_base = i915_gtt_to_phys(dev, compressed_llb->start); | |
1351 | if (!ll_base) { | |
1352 | DRM_ERROR("failed to get stolen phys addr, disabling FBC\n"); | |
1353 | drm_mm_put_block(compressed_fb); | |
1354 | drm_mm_put_block(compressed_llb); | |
1355 | } | |
80824003 JB |
1356 | } |
1357 | ||
1358 | dev_priv->cfb_size = size; | |
1359 | ||
ee5382ae | 1360 | intel_disable_fbc(dev); |
20bf377e JB |
1361 | dev_priv->compressed_fb = compressed_fb; |
1362 | ||
74dff282 | 1363 | if (IS_GM45(dev)) { |
74dff282 JB |
1364 | I915_WRITE(DPFC_CB_BASE, compressed_fb->start); |
1365 | } else { | |
74dff282 JB |
1366 | I915_WRITE(FBC_CFB_BASE, cfb_base); |
1367 | I915_WRITE(FBC_LL_BASE, ll_base); | |
20bf377e | 1368 | dev_priv->compressed_llb = compressed_llb; |
80824003 JB |
1369 | } |
1370 | ||
80824003 JB |
1371 | DRM_DEBUG("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base, |
1372 | ll_base, size >> 20); | |
80824003 JB |
1373 | } |
1374 | ||
20bf377e JB |
1375 | static void i915_cleanup_compression(struct drm_device *dev) |
1376 | { | |
1377 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1378 | ||
1379 | drm_mm_put_block(dev_priv->compressed_fb); | |
1380 | if (!IS_GM45(dev)) | |
1381 | drm_mm_put_block(dev_priv->compressed_llb); | |
1382 | } | |
1383 | ||
28d52043 DA |
1384 | /* true = enable decode, false = disable decoder */ |
1385 | static unsigned int i915_vga_set_decode(void *cookie, bool state) | |
1386 | { | |
1387 | struct drm_device *dev = cookie; | |
1388 | ||
1389 | intel_modeset_vga_set_state(dev, state); | |
1390 | if (state) | |
1391 | return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM | | |
1392 | VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1393 | else | |
1394 | return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM; | |
1395 | } | |
1396 | ||
6a9ee8af DA |
1397 | static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state) |
1398 | { | |
1399 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1400 | pm_message_t pmm = { .event = PM_EVENT_SUSPEND }; | |
1401 | if (state == VGA_SWITCHEROO_ON) { | |
1402 | printk(KERN_INFO "i915: switched off\n"); | |
1403 | /* i915 resume handler doesn't set to D0 */ | |
1404 | pci_set_power_state(dev->pdev, PCI_D0); | |
1405 | i915_resume(dev); | |
1406 | } else { | |
1407 | printk(KERN_ERR "i915: switched off\n"); | |
1408 | i915_suspend(dev, pmm); | |
1409 | } | |
1410 | } | |
1411 | ||
1412 | static bool i915_switcheroo_can_switch(struct pci_dev *pdev) | |
1413 | { | |
1414 | struct drm_device *dev = pci_get_drvdata(pdev); | |
1415 | bool can_switch; | |
1416 | ||
1417 | spin_lock(&dev->count_lock); | |
1418 | can_switch = (dev->open_count == 0); | |
1419 | spin_unlock(&dev->count_lock); | |
1420 | return can_switch; | |
1421 | } | |
1422 | ||
2a34f5e6 | 1423 | static int i915_load_modeset_init(struct drm_device *dev, |
80824003 | 1424 | unsigned long prealloc_start, |
2a34f5e6 EA |
1425 | unsigned long prealloc_size, |
1426 | unsigned long agp_size) | |
79e53945 JB |
1427 | { |
1428 | struct drm_i915_private *dev_priv = dev->dev_private; | |
79e53945 JB |
1429 | int fb_bar = IS_I9XX(dev) ? 2 : 0; |
1430 | int ret = 0; | |
1431 | ||
1432 | dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) & | |
1433 | 0xff000000; | |
1434 | ||
79e53945 JB |
1435 | /* Basic memrange allocator for stolen space (aka vram) */ |
1436 | drm_mm_init(&dev_priv->vram, 0, prealloc_size); | |
80824003 | 1437 | DRM_INFO("set up %ldM of stolen space\n", prealloc_size / (1024*1024)); |
79e53945 | 1438 | |
11ed50ec BG |
1439 | /* We're off and running w/KMS */ |
1440 | dev_priv->mm.suspended = 0; | |
79e53945 | 1441 | |
13f4c435 EA |
1442 | /* Let GEM Manage from end of prealloc space to end of aperture. |
1443 | * | |
1444 | * However, leave one page at the end still bound to the scratch page. | |
1445 | * There are a number of places where the hardware apparently | |
1446 | * prefetches past the end of the object, and we've seen multiple | |
1447 | * hangs with the GPU head pointer stuck in a batchbuffer bound | |
1448 | * at the last page of the aperture. One page should be enough to | |
1449 | * keep any prefetching inside of the aperture. | |
1450 | */ | |
1451 | i915_gem_do_init(dev, prealloc_size, agp_size - 4096); | |
79e53945 | 1452 | |
11ed50ec | 1453 | mutex_lock(&dev->struct_mutex); |
79e53945 | 1454 | ret = i915_gem_init_ringbuffer(dev); |
11ed50ec | 1455 | mutex_unlock(&dev->struct_mutex); |
79e53945 | 1456 | if (ret) |
b8da7de5 | 1457 | goto out; |
79e53945 | 1458 | |
80824003 | 1459 | /* Try to set up FBC with a reasonable compressed buffer size */ |
9216d44d | 1460 | if (I915_HAS_FBC(dev) && i915_powersave) { |
80824003 JB |
1461 | int cfb_size; |
1462 | ||
1463 | /* Try to get an 8M buffer... */ | |
1464 | if (prealloc_size > (9*1024*1024)) | |
1465 | cfb_size = 8*1024*1024; | |
1466 | else /* fall back to 7/8 of the stolen space */ | |
1467 | cfb_size = prealloc_size * 7 / 8; | |
1468 | i915_setup_compression(dev, cfb_size); | |
1469 | } | |
1470 | ||
79e53945 JB |
1471 | /* Allow hardware batchbuffers unless told otherwise. |
1472 | */ | |
1473 | dev_priv->allow_batchbuffer = 1; | |
1474 | ||
1475 | ret = intel_init_bios(dev); | |
1476 | if (ret) | |
1477 | DRM_INFO("failed to find VBIOS tables\n"); | |
1478 | ||
28d52043 DA |
1479 | /* if we have > 1 VGA cards, then disable the radeon VGA resources */ |
1480 | ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); | |
1481 | if (ret) | |
1482 | goto destroy_ringbuffer; | |
1483 | ||
6a9ee8af DA |
1484 | ret = vga_switcheroo_register_client(dev->pdev, |
1485 | i915_switcheroo_set_state, | |
1486 | i915_switcheroo_can_switch); | |
1487 | if (ret) | |
1488 | goto destroy_ringbuffer; | |
1489 | ||
b01f2c3a JB |
1490 | intel_modeset_init(dev); |
1491 | ||
79e53945 JB |
1492 | ret = drm_irq_install(dev); |
1493 | if (ret) | |
1494 | goto destroy_ringbuffer; | |
1495 | ||
79e53945 JB |
1496 | /* Always safe in the mode setting case. */ |
1497 | /* FIXME: do pre/post-mode set stuff in core KMS code */ | |
1498 | dev->vblank_disable_allowed = 1; | |
1499 | ||
1500 | /* | |
1501 | * Initialize the hardware status page IRQ location. | |
1502 | */ | |
1503 | ||
1504 | I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); | |
1505 | ||
38651674 | 1506 | intel_fbdev_init(dev); |
eb1f8e4f | 1507 | drm_kms_helper_poll_init(dev); |
79e53945 JB |
1508 | return 0; |
1509 | ||
79e53945 | 1510 | destroy_ringbuffer: |
21099537 | 1511 | mutex_lock(&dev->struct_mutex); |
79e53945 | 1512 | i915_gem_cleanup_ringbuffer(dev); |
21099537 | 1513 | mutex_unlock(&dev->struct_mutex); |
79e53945 JB |
1514 | out: |
1515 | return ret; | |
1516 | } | |
1517 | ||
7c1c2871 DA |
1518 | int i915_master_create(struct drm_device *dev, struct drm_master *master) |
1519 | { | |
1520 | struct drm_i915_master_private *master_priv; | |
1521 | ||
9a298b2a | 1522 | master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL); |
7c1c2871 DA |
1523 | if (!master_priv) |
1524 | return -ENOMEM; | |
1525 | ||
1526 | master->driver_priv = master_priv; | |
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | void i915_master_destroy(struct drm_device *dev, struct drm_master *master) | |
1531 | { | |
1532 | struct drm_i915_master_private *master_priv = master->driver_priv; | |
1533 | ||
1534 | if (!master_priv) | |
1535 | return; | |
1536 | ||
9a298b2a | 1537 | kfree(master_priv); |
7c1c2871 DA |
1538 | |
1539 | master->driver_priv = NULL; | |
1540 | } | |
1541 | ||
7662c8bd SL |
1542 | static void i915_get_mem_freq(struct drm_device *dev) |
1543 | { | |
1544 | drm_i915_private_t *dev_priv = dev->dev_private; | |
1545 | u32 tmp; | |
1546 | ||
f2b115e6 | 1547 | if (!IS_PINEVIEW(dev)) |
7662c8bd SL |
1548 | return; |
1549 | ||
1550 | tmp = I915_READ(CLKCFG); | |
1551 | ||
1552 | switch (tmp & CLKCFG_FSB_MASK) { | |
1553 | case CLKCFG_FSB_533: | |
1554 | dev_priv->fsb_freq = 533; /* 133*4 */ | |
1555 | break; | |
1556 | case CLKCFG_FSB_800: | |
1557 | dev_priv->fsb_freq = 800; /* 200*4 */ | |
1558 | break; | |
1559 | case CLKCFG_FSB_667: | |
1560 | dev_priv->fsb_freq = 667; /* 167*4 */ | |
1561 | break; | |
1562 | case CLKCFG_FSB_400: | |
1563 | dev_priv->fsb_freq = 400; /* 100*4 */ | |
1564 | break; | |
1565 | } | |
1566 | ||
1567 | switch (tmp & CLKCFG_MEM_MASK) { | |
1568 | case CLKCFG_MEM_533: | |
1569 | dev_priv->mem_freq = 533; | |
1570 | break; | |
1571 | case CLKCFG_MEM_667: | |
1572 | dev_priv->mem_freq = 667; | |
1573 | break; | |
1574 | case CLKCFG_MEM_800: | |
1575 | dev_priv->mem_freq = 800; | |
1576 | break; | |
1577 | } | |
1578 | } | |
1579 | ||
79e53945 JB |
1580 | /** |
1581 | * i915_driver_load - setup chip and create an initial config | |
1582 | * @dev: DRM device | |
1583 | * @flags: startup flags | |
1584 | * | |
1585 | * The driver load routine has to do several things: | |
1586 | * - drive output discovery via intel_modeset_init() | |
1587 | * - initialize the memory manager | |
1588 | * - allocate initial config memory | |
1589 | * - setup the DRM framebuffer with the allocated memory | |
1590 | */ | |
84b1fd10 | 1591 | int i915_driver_load(struct drm_device *dev, unsigned long flags) |
22eae947 | 1592 | { |
ea059a1e | 1593 | struct drm_i915_private *dev_priv; |
d883f7f1 | 1594 | resource_size_t base, size; |
cfdf1fa2 | 1595 | int ret = 0, mmio_bar; |
80824003 | 1596 | uint32_t agp_size, prealloc_size, prealloc_start; |
ba8bbcf6 | 1597 | |
22eae947 DA |
1598 | /* i915 has 4 more counters */ |
1599 | dev->counters += 4; | |
1600 | dev->types[6] = _DRM_STAT_IRQ; | |
1601 | dev->types[7] = _DRM_STAT_PRIMARY; | |
1602 | dev->types[8] = _DRM_STAT_SECONDARY; | |
1603 | dev->types[9] = _DRM_STAT_DMA; | |
1604 | ||
9a298b2a | 1605 | dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL); |
ba8bbcf6 JB |
1606 | if (dev_priv == NULL) |
1607 | return -ENOMEM; | |
1608 | ||
ba8bbcf6 | 1609 | dev->dev_private = (void *)dev_priv; |
673a394b | 1610 | dev_priv->dev = dev; |
cfdf1fa2 | 1611 | dev_priv->info = (struct intel_device_info *) flags; |
ba8bbcf6 JB |
1612 | |
1613 | /* Add register map (needed for suspend/resume) */ | |
cfdf1fa2 | 1614 | mmio_bar = IS_I9XX(dev) ? 0 : 1; |
ba8bbcf6 JB |
1615 | base = drm_get_resource_start(dev, mmio_bar); |
1616 | size = drm_get_resource_len(dev, mmio_bar); | |
1617 | ||
ec2a4c3f DA |
1618 | if (i915_get_bridge_dev(dev)) { |
1619 | ret = -EIO; | |
1620 | goto free_priv; | |
1621 | } | |
1622 | ||
3043c60c | 1623 | dev_priv->regs = ioremap(base, size); |
79e53945 JB |
1624 | if (!dev_priv->regs) { |
1625 | DRM_ERROR("failed to map registers\n"); | |
1626 | ret = -EIO; | |
ec2a4c3f | 1627 | goto put_bridge; |
79e53945 | 1628 | } |
ed4cb414 | 1629 | |
ab657db1 EA |
1630 | dev_priv->mm.gtt_mapping = |
1631 | io_mapping_create_wc(dev->agp->base, | |
1632 | dev->agp->agp_info.aper_size * 1024*1024); | |
6644107d VP |
1633 | if (dev_priv->mm.gtt_mapping == NULL) { |
1634 | ret = -EIO; | |
1635 | goto out_rmmap; | |
1636 | } | |
1637 | ||
ab657db1 EA |
1638 | /* Set up a WC MTRR for non-PAT systems. This is more common than |
1639 | * one would think, because the kernel disables PAT on first | |
1640 | * generation Core chips because WC PAT gets overridden by a UC | |
1641 | * MTRR if present. Even if a UC MTRR isn't present. | |
1642 | */ | |
1643 | dev_priv->mm.gtt_mtrr = mtrr_add(dev->agp->base, | |
1644 | dev->agp->agp_info.aper_size * | |
1645 | 1024 * 1024, | |
1646 | MTRR_TYPE_WRCOMB, 1); | |
1647 | if (dev_priv->mm.gtt_mtrr < 0) { | |
040aefa2 | 1648 | DRM_INFO("MTRR allocation failed. Graphics " |
ab657db1 EA |
1649 | "performance may suffer.\n"); |
1650 | } | |
1651 | ||
80824003 | 1652 | ret = i915_probe_agp(dev, &agp_size, &prealloc_size, &prealloc_start); |
2a34f5e6 EA |
1653 | if (ret) |
1654 | goto out_iomapfree; | |
1655 | ||
aed5f1dc | 1656 | dev_priv->wq = create_singlethread_workqueue("i915"); |
9c9fe1f8 EA |
1657 | if (dev_priv->wq == NULL) { |
1658 | DRM_ERROR("Failed to create our workqueue.\n"); | |
1659 | ret = -ENOMEM; | |
1660 | goto out_iomapfree; | |
1661 | } | |
1662 | ||
ac5c4e76 DA |
1663 | /* enable GEM by default */ |
1664 | dev_priv->has_gem = 1; | |
ac5c4e76 | 1665 | |
2a34f5e6 EA |
1666 | if (prealloc_size > agp_size * 3 / 4) { |
1667 | DRM_ERROR("Detected broken video BIOS with %d/%dkB of video " | |
1668 | "memory stolen.\n", | |
1669 | prealloc_size / 1024, agp_size / 1024); | |
1670 | DRM_ERROR("Disabling GEM. (try reducing stolen memory or " | |
1671 | "updating the BIOS to fix).\n"); | |
1672 | dev_priv->has_gem = 0; | |
1673 | } | |
1674 | ||
9880b7a5 | 1675 | dev->driver->get_vblank_counter = i915_get_vblank_counter; |
42c2798b | 1676 | dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ |
bad720ff | 1677 | if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) { |
42c2798b | 1678 | dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */ |
9880b7a5 | 1679 | dev->driver->get_vblank_counter = gm45_get_vblank_counter; |
42c2798b | 1680 | } |
9880b7a5 | 1681 | |
c4804411 ZW |
1682 | /* Try to make sure MCHBAR is enabled before poking at it */ |
1683 | intel_setup_mchbar(dev); | |
1684 | ||
673a394b EA |
1685 | i915_gem_load(dev); |
1686 | ||
398c9cb2 KP |
1687 | /* Init HWS */ |
1688 | if (!I915_NEED_GFX_HWS(dev)) { | |
1689 | ret = i915_init_phys_hws(dev); | |
1690 | if (ret != 0) | |
9c9fe1f8 | 1691 | goto out_workqueue_free; |
398c9cb2 | 1692 | } |
ed4cb414 | 1693 | |
7662c8bd SL |
1694 | i915_get_mem_freq(dev); |
1695 | ||
ed4cb414 EA |
1696 | /* On the 945G/GM, the chipset reports the MSI capability on the |
1697 | * integrated graphics even though the support isn't actually there | |
1698 | * according to the published specs. It doesn't appear to function | |
1699 | * correctly in testing on 945G. | |
1700 | * This may be a side effect of MSI having been made available for PEG | |
1701 | * and the registers being closely associated. | |
d1ed629f KP |
1702 | * |
1703 | * According to chipset errata, on the 965GM, MSI interrupts may | |
b60678a7 KP |
1704 | * be lost or delayed, but we use them anyways to avoid |
1705 | * stuck interrupts on some machines. | |
ed4cb414 | 1706 | */ |
b60678a7 | 1707 | if (!IS_I945G(dev) && !IS_I945GM(dev)) |
d3e74d02 | 1708 | pci_enable_msi(dev->pdev); |
ed4cb414 EA |
1709 | |
1710 | spin_lock_init(&dev_priv->user_irq_lock); | |
63eeaf38 | 1711 | spin_lock_init(&dev_priv->error_lock); |
79e53945 | 1712 | dev_priv->user_irq_refcount = 0; |
9d34e5db | 1713 | dev_priv->trace_irq_seqno = 0; |
ed4cb414 | 1714 | |
52440211 KP |
1715 | ret = drm_vblank_init(dev, I915_NUM_PIPE); |
1716 | ||
1717 | if (ret) { | |
1718 | (void) i915_driver_unload(dev); | |
1719 | return ret; | |
1720 | } | |
1721 | ||
11ed50ec BG |
1722 | /* Start out suspended */ |
1723 | dev_priv->mm.suspended = 1; | |
1724 | ||
3bad0781 ZW |
1725 | intel_detect_pch(dev); |
1726 | ||
79e53945 | 1727 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
80824003 JB |
1728 | ret = i915_load_modeset_init(dev, prealloc_start, |
1729 | prealloc_size, agp_size); | |
79e53945 JB |
1730 | if (ret < 0) { |
1731 | DRM_ERROR("failed to init modeset\n"); | |
9c9fe1f8 | 1732 | goto out_workqueue_free; |
79e53945 JB |
1733 | } |
1734 | } | |
1735 | ||
74a365b3 | 1736 | /* Must be done after probing outputs */ |
01c66889 | 1737 | intel_opregion_init(dev, 0); |
74a365b3 | 1738 | |
f65d9421 BG |
1739 | setup_timer(&dev_priv->hangcheck_timer, i915_hangcheck_elapsed, |
1740 | (unsigned long) dev); | |
79e53945 JB |
1741 | return 0; |
1742 | ||
9c9fe1f8 EA |
1743 | out_workqueue_free: |
1744 | destroy_workqueue(dev_priv->wq); | |
6644107d VP |
1745 | out_iomapfree: |
1746 | io_mapping_free(dev_priv->mm.gtt_mapping); | |
79e53945 JB |
1747 | out_rmmap: |
1748 | iounmap(dev_priv->regs); | |
ec2a4c3f DA |
1749 | put_bridge: |
1750 | pci_dev_put(dev_priv->bridge_dev); | |
79e53945 | 1751 | free_priv: |
9a298b2a | 1752 | kfree(dev_priv); |
ba8bbcf6 JB |
1753 | return ret; |
1754 | } | |
1755 | ||
1756 | int i915_driver_unload(struct drm_device *dev) | |
1757 | { | |
1758 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1759 | ||
9df30794 CW |
1760 | i915_destroy_error_state(dev); |
1761 | ||
9c9fe1f8 | 1762 | destroy_workqueue(dev_priv->wq); |
f65d9421 | 1763 | del_timer_sync(&dev_priv->hangcheck_timer); |
9c9fe1f8 | 1764 | |
ab657db1 EA |
1765 | io_mapping_free(dev_priv->mm.gtt_mapping); |
1766 | if (dev_priv->mm.gtt_mtrr >= 0) { | |
1767 | mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base, | |
1768 | dev->agp->agp_info.aper_size * 1024 * 1024); | |
1769 | dev_priv->mm.gtt_mtrr = -1; | |
1770 | } | |
1771 | ||
79e53945 | 1772 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
3d8620cc JB |
1773 | intel_modeset_cleanup(dev); |
1774 | ||
6363ee6f ZY |
1775 | /* |
1776 | * free the memory space allocated for the child device | |
1777 | * config parsed from VBT | |
1778 | */ | |
1779 | if (dev_priv->child_dev && dev_priv->child_dev_num) { | |
1780 | kfree(dev_priv->child_dev); | |
1781 | dev_priv->child_dev = NULL; | |
1782 | dev_priv->child_dev_num = 0; | |
1783 | } | |
79e53945 | 1784 | drm_irq_uninstall(dev); |
6a9ee8af | 1785 | vga_switcheroo_unregister_client(dev->pdev); |
28d52043 | 1786 | vga_client_register(dev->pdev, NULL, NULL, NULL); |
79e53945 JB |
1787 | } |
1788 | ||
ed4cb414 EA |
1789 | if (dev->pdev->msi_enabled) |
1790 | pci_disable_msi(dev->pdev); | |
1791 | ||
3043c60c EA |
1792 | if (dev_priv->regs != NULL) |
1793 | iounmap(dev_priv->regs); | |
ba8bbcf6 | 1794 | |
01c66889 | 1795 | intel_opregion_free(dev, 0); |
8ee1c3db | 1796 | |
79e53945 | 1797 | if (drm_core_check_feature(dev, DRIVER_MODESET)) { |
71acb5eb DA |
1798 | i915_gem_free_all_phys_object(dev); |
1799 | ||
79e53945 JB |
1800 | mutex_lock(&dev->struct_mutex); |
1801 | i915_gem_cleanup_ringbuffer(dev); | |
1802 | mutex_unlock(&dev->struct_mutex); | |
20bf377e JB |
1803 | if (I915_HAS_FBC(dev) && i915_powersave) |
1804 | i915_cleanup_compression(dev); | |
79e53945 JB |
1805 | drm_mm_takedown(&dev_priv->vram); |
1806 | i915_gem_lastclose(dev); | |
02e792fb DV |
1807 | |
1808 | intel_cleanup_overlay(dev); | |
79e53945 JB |
1809 | } |
1810 | ||
c4804411 ZW |
1811 | intel_teardown_mchbar(dev); |
1812 | ||
ec2a4c3f | 1813 | pci_dev_put(dev_priv->bridge_dev); |
9a298b2a | 1814 | kfree(dev->dev_private); |
ba8bbcf6 | 1815 | |
22eae947 DA |
1816 | return 0; |
1817 | } | |
1818 | ||
673a394b EA |
1819 | int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv) |
1820 | { | |
1821 | struct drm_i915_file_private *i915_file_priv; | |
1822 | ||
8a4c47f3 | 1823 | DRM_DEBUG_DRIVER("\n"); |
673a394b | 1824 | i915_file_priv = (struct drm_i915_file_private *) |
9a298b2a | 1825 | kmalloc(sizeof(*i915_file_priv), GFP_KERNEL); |
673a394b EA |
1826 | |
1827 | if (!i915_file_priv) | |
1828 | return -ENOMEM; | |
1829 | ||
1830 | file_priv->driver_priv = i915_file_priv; | |
1831 | ||
b962442e | 1832 | INIT_LIST_HEAD(&i915_file_priv->mm.request_list); |
673a394b EA |
1833 | |
1834 | return 0; | |
1835 | } | |
1836 | ||
79e53945 JB |
1837 | /** |
1838 | * i915_driver_lastclose - clean up after all DRM clients have exited | |
1839 | * @dev: DRM device | |
1840 | * | |
1841 | * Take care of cleaning up after all DRM clients have exited. In the | |
1842 | * mode setting case, we want to restore the kernel's initial mode (just | |
1843 | * in case the last client left us in a bad state). | |
1844 | * | |
1845 | * Additionally, in the non-mode setting case, we'll tear down the AGP | |
1846 | * and DMA structures, since the kernel won't be using them, and clea | |
1847 | * up any GEM state. | |
1848 | */ | |
84b1fd10 | 1849 | void i915_driver_lastclose(struct drm_device * dev) |
1da177e4 | 1850 | { |
ba8bbcf6 JB |
1851 | drm_i915_private_t *dev_priv = dev->dev_private; |
1852 | ||
79e53945 | 1853 | if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) { |
785b93ef | 1854 | drm_fb_helper_restore(); |
6a9ee8af | 1855 | vga_switcheroo_process_delayed_switch(); |
144a75fa | 1856 | return; |
79e53945 | 1857 | } |
144a75fa | 1858 | |
673a394b EA |
1859 | i915_gem_lastclose(dev); |
1860 | ||
ba8bbcf6 | 1861 | if (dev_priv->agp_heap) |
b5e89ed5 | 1862 | i915_mem_takedown(&(dev_priv->agp_heap)); |
ba8bbcf6 | 1863 | |
b5e89ed5 | 1864 | i915_dma_cleanup(dev); |
1da177e4 LT |
1865 | } |
1866 | ||
6c340eac | 1867 | void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) |
1da177e4 | 1868 | { |
ba8bbcf6 | 1869 | drm_i915_private_t *dev_priv = dev->dev_private; |
b962442e | 1870 | i915_gem_release(dev, file_priv); |
79e53945 JB |
1871 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1872 | i915_mem_release(dev, file_priv, dev_priv->agp_heap); | |
1da177e4 LT |
1873 | } |
1874 | ||
673a394b EA |
1875 | void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv) |
1876 | { | |
1877 | struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv; | |
1878 | ||
9a298b2a | 1879 | kfree(i915_file_priv); |
673a394b EA |
1880 | } |
1881 | ||
c153f45f EA |
1882 | struct drm_ioctl_desc i915_ioctls[] = { |
1883 | DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
1884 | DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH), | |
1885 | DRM_IOCTL_DEF(DRM_I915_FLIP, i915_flip_bufs, DRM_AUTH), | |
1886 | DRM_IOCTL_DEF(DRM_I915_BATCHBUFFER, i915_batchbuffer, DRM_AUTH), | |
1887 | DRM_IOCTL_DEF(DRM_I915_IRQ_EMIT, i915_irq_emit, DRM_AUTH), | |
1888 | DRM_IOCTL_DEF(DRM_I915_IRQ_WAIT, i915_irq_wait, DRM_AUTH), | |
1889 | DRM_IOCTL_DEF(DRM_I915_GETPARAM, i915_getparam, DRM_AUTH), | |
1890 | DRM_IOCTL_DEF(DRM_I915_SETPARAM, i915_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
1891 | DRM_IOCTL_DEF(DRM_I915_ALLOC, i915_mem_alloc, DRM_AUTH), | |
1892 | DRM_IOCTL_DEF(DRM_I915_FREE, i915_mem_free, DRM_AUTH), | |
1893 | DRM_IOCTL_DEF(DRM_I915_INIT_HEAP, i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), | |
1894 | DRM_IOCTL_DEF(DRM_I915_CMDBUFFER, i915_cmdbuffer, DRM_AUTH), | |
1895 | DRM_IOCTL_DEF(DRM_I915_DESTROY_HEAP, i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), | |
1896 | DRM_IOCTL_DEF(DRM_I915_SET_VBLANK_PIPE, i915_vblank_pipe_set, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY ), | |
1897 | DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE, i915_vblank_pipe_get, DRM_AUTH ), | |
1898 | DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH), | |
4b408939 | 1899 | DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), |
f05dd2f0 EA |
1900 | DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), |
1901 | DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED), | |
1902 | DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED), | |
1903 | DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
1904 | DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
1905 | DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
1906 | DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED), | |
1907 | DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
1908 | DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED), | |
1909 | DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED), | |
1910 | DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED), | |
1911 | DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED), | |
1912 | DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED), | |
1913 | DRM_IOCTL_DEF(DRM_I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED), | |
1914 | DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED), | |
1915 | DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED), | |
1916 | DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED), | |
1917 | DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED), | |
1918 | DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED), | |
1919 | DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED), | |
1920 | DRM_IOCTL_DEF(DRM_I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED), | |
1921 | DRM_IOCTL_DEF(DRM_I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), | |
1922 | DRM_IOCTL_DEF(DRM_I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED), | |
c94f7029 DA |
1923 | }; |
1924 | ||
1925 | int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); | |
cda17380 DA |
1926 | |
1927 | /** | |
1928 | * Determine if the device really is AGP or not. | |
1929 | * | |
1930 | * All Intel graphics chipsets are treated as AGP, even if they are really | |
1931 | * PCI-e. | |
1932 | * | |
1933 | * \param dev The device to be tested. | |
1934 | * | |
1935 | * \returns | |
1936 | * A value of 1 is always retured to indictate every i9x5 is AGP. | |
1937 | */ | |
84b1fd10 | 1938 | int i915_driver_device_is_agp(struct drm_device * dev) |
cda17380 DA |
1939 | { |
1940 | return 1; | |
1941 | } |