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drm/radeon/kms: fix bandwidth computation on avivo hardware
[net-next-2.6.git] / drivers / gpu / drm / radeon / radeon_display.c
CommitLineData
771fe6b9
JG		 1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include "drmP.h"
27#include "radeon_drm.h"
28#include "radeon.h"
29
30#include "atom.h"
31#include <asm/div64.h>
32
33#include "drm_crtc_helper.h"
34#include "drm_edid.h"
35
36static int radeon_ddc_dump(struct drm_connector *connector);
37
38static void avivo_crtc_load_lut(struct drm_crtc *crtc)
39{
40 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
41 struct drm_device *dev = crtc->dev;
42 struct radeon_device *rdev = dev->dev_private;
43 int i;
44
45 DRM_DEBUG("%d\n", radeon_crtc->crtc_id);
46 WREG32(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0);
47
48 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
49 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
50 WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
51
52 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
53 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
54 WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
55
56 WREG32(AVIVO_DC_LUT_RW_SELECT, radeon_crtc->crtc_id);
57 WREG32(AVIVO_DC_LUT_RW_MODE, 0);
58 WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f);
59
60 WREG8(AVIVO_DC_LUT_RW_INDEX, 0);
61 for (i = 0; i < 256; i++) {
62 WREG32(AVIVO_DC_LUT_30_COLOR,
63 (radeon_crtc->lut_r[i] << 20) |
64 (radeon_crtc->lut_g[i] << 10) |
65 (radeon_crtc->lut_b[i] << 0));
66 }
67
68 WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id);
69}
70
71static void legacy_crtc_load_lut(struct drm_crtc *crtc)
72{
73 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
74 struct drm_device *dev = crtc->dev;
75 struct radeon_device *rdev = dev->dev_private;
76 int i;
77 uint32_t dac2_cntl;
78
79 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
80 if (radeon_crtc->crtc_id == 0)
81 dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL;
82 else
83 dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL;
84 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
85
86 WREG8(RADEON_PALETTE_INDEX, 0);
87 for (i = 0; i < 256; i++) {
88 WREG32(RADEON_PALETTE_30_DATA,
89 (radeon_crtc->lut_r[i] << 20) |
90 (radeon_crtc->lut_g[i] << 10) |
91 (radeon_crtc->lut_b[i] << 0));
92 }
93}
94
95void radeon_crtc_load_lut(struct drm_crtc *crtc)
96{
97 struct drm_device *dev = crtc->dev;
98 struct radeon_device *rdev = dev->dev_private;
99
100 if (!crtc->enabled)
101 return;
102
103 if (ASIC_IS_AVIVO(rdev))
104 avivo_crtc_load_lut(crtc);
105 else
106 legacy_crtc_load_lut(crtc);
107}
108
109/** Sets the color ramps on behalf of RandR */
110void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
111 u16 blue, int regno)
112{
113 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
114
115 if (regno == 0)
116 DRM_DEBUG("gamma set %d\n", radeon_crtc->crtc_id);
117 radeon_crtc->lut_r[regno] = red >> 6;
118 radeon_crtc->lut_g[regno] = green >> 6;
119 radeon_crtc->lut_b[regno] = blue >> 6;
120}
121
122static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
123 u16 *blue, uint32_t size)
124{
125 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
126 int i, j;
127
128 if (size != 256) {
129 return;
130 }
131 if (crtc->fb == NULL) {
132 return;
133 }
134
135 if (crtc->fb->depth == 16) {
136 for (i = 0; i < 64; i++) {
137 if (i <= 31) {
138 for (j = 0; j < 8; j++) {
139 radeon_crtc->lut_r[i * 8 + j] = red[i] >> 6;
140 radeon_crtc->lut_b[i * 8 + j] = blue[i] >> 6;
141 }
142 }
143 for (j = 0; j < 4; j++)
144 radeon_crtc->lut_g[i * 4 + j] = green[i] >> 6;
145 }
146 } else {
147 for (i = 0; i < 256; i++) {
148 radeon_crtc->lut_r[i] = red[i] >> 6;
149 radeon_crtc->lut_g[i] = green[i] >> 6;
150 radeon_crtc->lut_b[i] = blue[i] >> 6;
151 }
152 }
153
154 radeon_crtc_load_lut(crtc);
155}
156
157static void radeon_crtc_destroy(struct drm_crtc *crtc)
158{
159 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
160
161 if (radeon_crtc->mode_set.mode) {
162 drm_mode_destroy(crtc->dev, radeon_crtc->mode_set.mode);
163 }
164 drm_crtc_cleanup(crtc);
165 kfree(radeon_crtc);
166}
167
168static const struct drm_crtc_funcs radeon_crtc_funcs = {
169 .cursor_set = radeon_crtc_cursor_set,
170 .cursor_move = radeon_crtc_cursor_move,
171 .gamma_set = radeon_crtc_gamma_set,
172 .set_config = drm_crtc_helper_set_config,
173 .destroy = radeon_crtc_destroy,
174};
175
176static void radeon_crtc_init(struct drm_device *dev, int index)
177{
178 struct radeon_device *rdev = dev->dev_private;
179 struct radeon_crtc *radeon_crtc;
180 int i;
181
182 radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
183 if (radeon_crtc == NULL)
184 return;
185
186 drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);
187
188 drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256);
189 radeon_crtc->crtc_id = index;
c93bb85b 190 rdev->mode_info.crtcs[index] = radeon_crtc;
771fe6b9
JG		 191
192 radeon_crtc->mode_set.crtc = &radeon_crtc->base;
193 radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1);
194 radeon_crtc->mode_set.num_connectors = 0;
195
196 for (i = 0; i < 256; i++) {
197 radeon_crtc->lut_r[i] = i << 2;
198 radeon_crtc->lut_g[i] = i << 2;
199 radeon_crtc->lut_b[i] = i << 2;
200 }
201
202 if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom))
203 radeon_atombios_init_crtc(dev, radeon_crtc);
204 else
205 radeon_legacy_init_crtc(dev, radeon_crtc);
206}
207
208static const char *encoder_names[34] = {
209 "NONE",
210 "INTERNAL_LVDS",
211 "INTERNAL_TMDS1",
212 "INTERNAL_TMDS2",
213 "INTERNAL_DAC1",
214 "INTERNAL_DAC2",
215 "INTERNAL_SDVOA",
216 "INTERNAL_SDVOB",
217 "SI170B",
218 "CH7303",
219 "CH7301",
220 "INTERNAL_DVO1",
221 "EXTERNAL_SDVOA",
222 "EXTERNAL_SDVOB",
223 "TITFP513",
224 "INTERNAL_LVTM1",
225 "VT1623",
226 "HDMI_SI1930",
227 "HDMI_INTERNAL",
228 "INTERNAL_KLDSCP_TMDS1",
229 "INTERNAL_KLDSCP_DVO1",
230 "INTERNAL_KLDSCP_DAC1",
231 "INTERNAL_KLDSCP_DAC2",
232 "SI178",
233 "MVPU_FPGA",
234 "INTERNAL_DDI",
235 "VT1625",
236 "HDMI_SI1932",
237 "DP_AN9801",
238 "DP_DP501",
239 "INTERNAL_UNIPHY",
240 "INTERNAL_KLDSCP_LVTMA",
241 "INTERNAL_UNIPHY1",
242 "INTERNAL_UNIPHY2",
243};
244
245static const char *connector_names[13] = {
246 "Unknown",
247 "VGA",
248 "DVI-I",
249 "DVI-D",
250 "DVI-A",
251 "Composite",
252 "S-video",
253 "LVDS",
254 "Component",
255 "DIN",
256 "DisplayPort",
257 "HDMI-A",
258 "HDMI-B",
259};
260
261static void radeon_print_display_setup(struct drm_device *dev)
262{
263 struct drm_connector *connector;
264 struct radeon_connector *radeon_connector;
265 struct drm_encoder *encoder;
266 struct radeon_encoder *radeon_encoder;
267 uint32_t devices;
268 int i = 0;
269
270 DRM_INFO("Radeon Display Connectors\n");
271 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
272 radeon_connector = to_radeon_connector(connector);
273 DRM_INFO("Connector %d:\n", i);
274 DRM_INFO(" %s\n", connector_names[connector->connector_type]);
275 if (radeon_connector->ddc_bus)
276 DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
277 radeon_connector->ddc_bus->rec.mask_clk_reg,
278 radeon_connector->ddc_bus->rec.mask_data_reg,
279 radeon_connector->ddc_bus->rec.a_clk_reg,
280 radeon_connector->ddc_bus->rec.a_data_reg,
281 radeon_connector->ddc_bus->rec.put_clk_reg,
282 radeon_connector->ddc_bus->rec.put_data_reg,
283 radeon_connector->ddc_bus->rec.get_clk_reg,
284 radeon_connector->ddc_bus->rec.get_data_reg);
285 DRM_INFO(" Encoders:\n");
286 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
287 radeon_encoder = to_radeon_encoder(encoder);
288 devices = radeon_encoder->devices & radeon_connector->devices;
289 if (devices) {
290 if (devices & ATOM_DEVICE_CRT1_SUPPORT)
291 DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]);
292 if (devices & ATOM_DEVICE_CRT2_SUPPORT)
293 DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]);
294 if (devices & ATOM_DEVICE_LCD1_SUPPORT)
295 DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]);
296 if (devices & ATOM_DEVICE_DFP1_SUPPORT)
297 DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]);
298 if (devices & ATOM_DEVICE_DFP2_SUPPORT)
299 DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]);
300 if (devices & ATOM_DEVICE_DFP3_SUPPORT)
301 DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]);
302 if (devices & ATOM_DEVICE_DFP4_SUPPORT)
303 DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]);
304 if (devices & ATOM_DEVICE_DFP5_SUPPORT)
305 DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]);
306 if (devices & ATOM_DEVICE_TV1_SUPPORT)
307 DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]);
308 if (devices & ATOM_DEVICE_CV_SUPPORT)
309 DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]);
310 }
311 }
312 i++;
313 }
314}
315
316bool radeon_setup_enc_conn(struct drm_device *dev)
317{
318 struct radeon_device *rdev = dev->dev_private;
319 struct drm_connector *drm_connector;
320 bool ret = false;
321
322 if (rdev->bios) {
323 if (rdev->is_atom_bios) {
324 if (rdev->family >= CHIP_R600)
325 ret = radeon_get_atom_connector_info_from_object_table(dev);
326 else
327 ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
328 } else
329 ret = radeon_get_legacy_connector_info_from_bios(dev);
330 } else {
331 if (!ASIC_IS_AVIVO(rdev))
332 ret = radeon_get_legacy_connector_info_from_table(dev);
333 }
334 if (ret) {
335 radeon_print_display_setup(dev);
336 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head)
337 radeon_ddc_dump(drm_connector);
338 }
339
340 return ret;
341}
342
343int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
344{
345 struct edid *edid;
346 int ret = 0;
347
348 if (!radeon_connector->ddc_bus)
349 return -1;
350 radeon_i2c_do_lock(radeon_connector, 1);
351 edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
352 radeon_i2c_do_lock(radeon_connector, 0);
353 if (edid) {
354 /* update digital bits here */
0454beab 355 if (edid->input & DRM_EDID_INPUT_DIGITAL)
771fe6b9
JG		 356 radeon_connector->use_digital = 1;
357 else
358 radeon_connector->use_digital = 0;
359 drm_mode_connector_update_edid_property(&radeon_connector->base, edid);
360 ret = drm_add_edid_modes(&radeon_connector->base, edid);
361 kfree(edid);
362 return ret;
363 }
364 drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
365 return -1;
366}
367
368static int radeon_ddc_dump(struct drm_connector *connector)
369{
370 struct edid *edid;
371 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
372 int ret = 0;
373
374 if (!radeon_connector->ddc_bus)
375 return -1;
376 radeon_i2c_do_lock(radeon_connector, 1);
377 edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter);
378 radeon_i2c_do_lock(radeon_connector, 0);
379 if (edid) {
380 kfree(edid);
381 }
382 return ret;
383}
384
385static inline uint32_t radeon_div(uint64_t n, uint32_t d)
386{
387 uint64_t mod;
388
389 n += d / 2;
390
391 mod = do_div(n, d);
392 return n;
393}
394
395void radeon_compute_pll(struct radeon_pll *pll,
396 uint64_t freq,
397 uint32_t *dot_clock_p,
398 uint32_t *fb_div_p,
399 uint32_t *frac_fb_div_p,
400 uint32_t *ref_div_p,
401 uint32_t *post_div_p,
402 int flags)
403{
404 uint32_t min_ref_div = pll->min_ref_div;
405 uint32_t max_ref_div = pll->max_ref_div;
406 uint32_t min_fractional_feed_div = 0;
407 uint32_t max_fractional_feed_div = 0;
408 uint32_t best_vco = pll->best_vco;
409 uint32_t best_post_div = 1;
410 uint32_t best_ref_div = 1;
411 uint32_t best_feedback_div = 1;
412 uint32_t best_frac_feedback_div = 0;
413 uint32_t best_freq = -1;
414 uint32_t best_error = 0xffffffff;
415 uint32_t best_vco_diff = 1;
416 uint32_t post_div;
417
418 DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div);
419 freq = freq * 1000;
420
421 if (flags & RADEON_PLL_USE_REF_DIV)
422 min_ref_div = max_ref_div = pll->reference_div;
423 else {
424 while (min_ref_div < max_ref_div-1) {
425 uint32_t mid = (min_ref_div + max_ref_div) / 2;
426 uint32_t pll_in = pll->reference_freq / mid;
427 if (pll_in < pll->pll_in_min)
428 max_ref_div = mid;
429 else if (pll_in > pll->pll_in_max)
430 min_ref_div = mid;
431 else
432 break;
433 }
434 }
435
436 if (flags & RADEON_PLL_USE_FRAC_FB_DIV) {
437 min_fractional_feed_div = pll->min_frac_feedback_div;
438 max_fractional_feed_div = pll->max_frac_feedback_div;
439 }
440
441 for (post_div = pll->min_post_div; post_div <= pll->max_post_div; ++post_div) {
442 uint32_t ref_div;
443
444 if ((flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
445 continue;
446
447 /* legacy radeons only have a few post_divs */
448 if (flags & RADEON_PLL_LEGACY) {
449 if ((post_div == 5) ||
450 (post_div == 7) ||
451 (post_div == 9) ||
452 (post_div == 10) ||
453 (post_div == 11) ||
454 (post_div == 13) ||
455 (post_div == 14) ||
456 (post_div == 15))
457 continue;
458 }
459
460 for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) {
461 uint32_t feedback_div, current_freq = 0, error, vco_diff;
462 uint32_t pll_in = pll->reference_freq / ref_div;
463 uint32_t min_feed_div = pll->min_feedback_div;
464 uint32_t max_feed_div = pll->max_feedback_div + 1;
465
466 if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max)
467 continue;
468
469 while (min_feed_div < max_feed_div) {
470 uint32_t vco;
471 uint32_t min_frac_feed_div = min_fractional_feed_div;
472 uint32_t max_frac_feed_div = max_fractional_feed_div + 1;
473 uint32_t frac_feedback_div;
474 uint64_t tmp;
475
476 feedback_div = (min_feed_div + max_feed_div) / 2;
477
478 tmp = (uint64_t)pll->reference_freq * feedback_div;
479 vco = radeon_div(tmp, ref_div);
480
481 if (vco < pll->pll_out_min) {
482 min_feed_div = feedback_div + 1;
483 continue;
484 } else if (vco > pll->pll_out_max) {
485 max_feed_div = feedback_div;
486 continue;
487 }
488
489 while (min_frac_feed_div < max_frac_feed_div) {
490 frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2;
491 tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div;
492 tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div;
493 current_freq = radeon_div(tmp, ref_div * post_div);
494
d0e275a9
AD		 495 if (flags & RADEON_PLL_PREFER_CLOSEST_LOWER) {
496 error = freq - current_freq;
497 error = error < 0 ? 0xffffffff : error;
498 } else
499 error = abs(current_freq - freq);
771fe6b9
JG		 500 vco_diff = abs(vco - best_vco);
501
502 if ((best_vco == 0 && error < best_error) ||
503 (best_vco != 0 &&
504 (error < best_error - 100 ||
505 (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) {
506 best_post_div = post_div;
507 best_ref_div = ref_div;
508 best_feedback_div = feedback_div;
509 best_frac_feedback_div = frac_feedback_div;
510 best_freq = current_freq;
511 best_error = error;
512 best_vco_diff = vco_diff;
513 } else if (current_freq == freq) {
514 if (best_freq == -1) {
515 best_post_div = post_div;
516 best_ref_div = ref_div;
517 best_feedback_div = feedback_div;
518 best_frac_feedback_div = frac_feedback_div;
519 best_freq = current_freq;
520 best_error = error;
521 best_vco_diff = vco_diff;
522 } else if (((flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) ||
523 ((flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) ||
524 ((flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) ||
525 ((flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) ||
526 ((flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) ||
527 ((flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) {
528 best_post_div = post_div;
529 best_ref_div = ref_div;
530 best_feedback_div = feedback_div;
531 best_frac_feedback_div = frac_feedback_div;
532 best_freq = current_freq;
533 best_error = error;
534 best_vco_diff = vco_diff;
535 }
536 }
537 if (current_freq < freq)
538 min_frac_feed_div = frac_feedback_div + 1;
539 else
540 max_frac_feed_div = frac_feedback_div;
541 }
542 if (current_freq < freq)
543 min_feed_div = feedback_div + 1;
544 else
545 max_feed_div = feedback_div;
546 }
547 }
548 }
549
550 *dot_clock_p = best_freq / 10000;
551 *fb_div_p = best_feedback_div;
552 *frac_fb_div_p = best_frac_feedback_div;
553 *ref_div_p = best_ref_div;
554 *post_div_p = best_post_div;
555}
556
557static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
558{
559 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
560 struct drm_device *dev = fb->dev;
561
562 if (fb->fbdev)
563 radeonfb_remove(dev, fb);
564
565 if (radeon_fb->obj) {
566 radeon_gem_object_unpin(radeon_fb->obj);
567 mutex_lock(&dev->struct_mutex);
568 drm_gem_object_unreference(radeon_fb->obj);
569 mutex_unlock(&dev->struct_mutex);
570 }
571 drm_framebuffer_cleanup(fb);
572 kfree(radeon_fb);
573}
574
575static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb,
576 struct drm_file *file_priv,
577 unsigned int *handle)
578{
579 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
580
581 return drm_gem_handle_create(file_priv, radeon_fb->obj, handle);
582}
583
584static const struct drm_framebuffer_funcs radeon_fb_funcs = {
585 .destroy = radeon_user_framebuffer_destroy,
586 .create_handle = radeon_user_framebuffer_create_handle,
587};
588
589struct drm_framebuffer *
590radeon_framebuffer_create(struct drm_device *dev,
591 struct drm_mode_fb_cmd *mode_cmd,
592 struct drm_gem_object *obj)
593{
594 struct radeon_framebuffer *radeon_fb;
595
596 radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
597 if (radeon_fb == NULL) {
598 return NULL;
599 }
600 drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs);
601 drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd);
602 radeon_fb->obj = obj;
603 return &radeon_fb->base;
604}
605
606static struct drm_framebuffer *
607radeon_user_framebuffer_create(struct drm_device *dev,
608 struct drm_file *file_priv,
609 struct drm_mode_fb_cmd *mode_cmd)
610{
611 struct drm_gem_object *obj;
612
613 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
614
615 return radeon_framebuffer_create(dev, mode_cmd, obj);
616}
617
618static const struct drm_mode_config_funcs radeon_mode_funcs = {
619 .fb_create = radeon_user_framebuffer_create,
620 .fb_changed = radeonfb_probe,
621};
622
623int radeon_modeset_init(struct radeon_device *rdev)
624{
625 int num_crtc = 2, i;
626 int ret;
627
628 drm_mode_config_init(rdev->ddev);
629 rdev->mode_info.mode_config_initialized = true;
630
631 rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs;
632
633 if (ASIC_IS_AVIVO(rdev)) {
634 rdev->ddev->mode_config.max_width = 8192;
635 rdev->ddev->mode_config.max_height = 8192;
636 } else {
637 rdev->ddev->mode_config.max_width = 4096;
638 rdev->ddev->mode_config.max_height = 4096;
639 }
640
641 rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
642
643 /* allocate crtcs - TODO single crtc */
644 for (i = 0; i < num_crtc; i++) {
645 radeon_crtc_init(rdev->ddev, i);
646 }
647
648 /* okay we should have all the bios connectors */
649 ret = radeon_setup_enc_conn(rdev->ddev);
650 if (!ret) {
651 return ret;
652 }
653 drm_helper_initial_config(rdev->ddev);
654 return 0;
655}
656
657void radeon_modeset_fini(struct radeon_device *rdev)
658{
659 if (rdev->mode_info.mode_config_initialized) {
660 drm_mode_config_cleanup(rdev->ddev);
661 rdev->mode_info.mode_config_initialized = false;
662 }
663}
664
c93bb85b
JG		 665bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
666 struct drm_display_mode *mode,
667 struct drm_display_mode *adjusted_mode)
771fe6b9 668{
c93bb85b
JG		 669 struct drm_device *dev = crtc->dev;
670 struct drm_encoder *encoder;
671 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
672 struct radeon_encoder *radeon_encoder;
673 bool first = true;
771fe6b9 674
c93bb85b
JG		 675 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
676 radeon_encoder = to_radeon_encoder(encoder);
677 if (encoder->crtc != crtc)
678 continue;
679 if (first) {
680 radeon_crtc->rmx_type = radeon_encoder->rmx_type;
681 radeon_crtc->devices = radeon_encoder->devices;
682 memcpy(&radeon_crtc->native_mode,
683 &radeon_encoder->native_mode,
684 sizeof(struct radeon_native_mode));
685 first = false;
686 } else {
687 if (radeon_crtc->rmx_type != radeon_encoder->rmx_type) {
688 /* WARNING: Right now this can't happen but
689 * in the future we need to check that scaling
690 * are consistent accross different encoder
691 * (ie all encoder can work with the same
692 * scaling).
693 */
694 DRM_ERROR("Scaling not consistent accross encoder.\n");
695 return false;
696 }
771fe6b9
JG		 697 }
698 }
c93bb85b
JG		 699 if (radeon_crtc->rmx_type != RMX_OFF) {
700 fixed20_12 a, b;
701 a.full = rfixed_const(crtc->mode.vdisplay);
702 b.full = rfixed_const(radeon_crtc->native_mode.panel_xres);
703 radeon_crtc->vsc.full = rfixed_div(a, b);
704 a.full = rfixed_const(crtc->mode.hdisplay);
705 b.full = rfixed_const(radeon_crtc->native_mode.panel_yres);
706 radeon_crtc->hsc.full = rfixed_div(a, b);
771fe6b9 707 } else {
c93bb85b
JG		 708 radeon_crtc->vsc.full = rfixed_const(1);
709 radeon_crtc->hsc.full = rfixed_const(1);
771fe6b9 710 }
c93bb85b 711 return true;
771fe6b9 712}
Clone of davem's net-next-2.6 tree