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drm/radeon/kms/pm: add mid profile
[deliverable/linux.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
bcc1c2a1
AD		 71static void evergreen_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
78 DRM_DEBUG("%d\n", radeon_crtc->crtc_id);
79 WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0);
80
81 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
82 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
83 WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
84
85 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
86 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
87 WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
88
677d0768
AD		 89 WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0);
90 WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
bcc1c2a1 91
677d0768 92 WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
bcc1c2a1 93 for (i = 0; i < 256; i++) {
677d0768 94 WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
bcc1c2a1
AD		 95 (radeon_crtc->lut_r[i] << 20) |
96 (radeon_crtc->lut_g[i] << 10) |
97 (radeon_crtc->lut_b[i] << 0));
98 }
99}
100
771fe6b9
JG		 101static void legacy_crtc_load_lut(struct drm_crtc *crtc)
102{
103 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
104 struct drm_device *dev = crtc->dev;
105 struct radeon_device *rdev = dev->dev_private;
106 int i;
107 uint32_t dac2_cntl;
108
109 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
110 if (radeon_crtc->crtc_id == 0)
111 dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL;
112 else
113 dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL;
114 WREG32(RADEON_DAC_CNTL2, dac2_cntl);
115
116 WREG8(RADEON_PALETTE_INDEX, 0);
117 for (i = 0; i < 256; i++) {
118 WREG32(RADEON_PALETTE_30_DATA,
119 (radeon_crtc->lut_r[i] << 20) |
120 (radeon_crtc->lut_g[i] << 10) |
121 (radeon_crtc->lut_b[i] << 0));
122 }
123}
124
125void radeon_crtc_load_lut(struct drm_crtc *crtc)
126{
127 struct drm_device *dev = crtc->dev;
128 struct radeon_device *rdev = dev->dev_private;
129
130 if (!crtc->enabled)
131 return;
132
bcc1c2a1
AD		 133 if (ASIC_IS_DCE4(rdev))
134 evergreen_crtc_load_lut(crtc);
135 else if (ASIC_IS_AVIVO(rdev))
771fe6b9
JG		 136 avivo_crtc_load_lut(crtc);
137 else
138 legacy_crtc_load_lut(crtc);
139}
140
b8c00ac5 141/** Sets the color ramps on behalf of fbcon */
771fe6b9
JG		 142void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
143 u16 blue, int regno)
144{
145 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
146
771fe6b9
JG		 147 radeon_crtc->lut_r[regno] = red >> 6;
148 radeon_crtc->lut_g[regno] = green >> 6;
149 radeon_crtc->lut_b[regno] = blue >> 6;
150}
151
b8c00ac5
DA		 152/** Gets the color ramps on behalf of fbcon */
153void radeon_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
154 u16 *blue, int regno)
155{
156 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
157
158 *red = radeon_crtc->lut_r[regno] << 6;
159 *green = radeon_crtc->lut_g[regno] << 6;
160 *blue = radeon_crtc->lut_b[regno] << 6;
161}
162
771fe6b9
JG		 163static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
164 u16 *blue, uint32_t size)
165{
166 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
b8c00ac5 167 int i;
771fe6b9
JG		 168
169 if (size != 256) {
170 return;
171 }
771fe6b9 172
b8c00ac5
DA		 173 /* userspace palettes are always correct as is */
174 for (i = 0; i < 256; i++) {
175 radeon_crtc->lut_r[i] = red[i] >> 6;
176 radeon_crtc->lut_g[i] = green[i] >> 6;
177 radeon_crtc->lut_b[i] = blue[i] >> 6;
771fe6b9 178 }
771fe6b9
JG		 179 radeon_crtc_load_lut(crtc);
180}
181
182static void radeon_crtc_destroy(struct drm_crtc *crtc)
183{
184 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
185
771fe6b9
JG		 186 drm_crtc_cleanup(crtc);
187 kfree(radeon_crtc);
188}
189
190static const struct drm_crtc_funcs radeon_crtc_funcs = {
191 .cursor_set = radeon_crtc_cursor_set,
192 .cursor_move = radeon_crtc_cursor_move,
193 .gamma_set = radeon_crtc_gamma_set,
194 .set_config = drm_crtc_helper_set_config,
195 .destroy = radeon_crtc_destroy,
196};
197
198static void radeon_crtc_init(struct drm_device *dev, int index)
199{
200 struct radeon_device *rdev = dev->dev_private;
201 struct radeon_crtc *radeon_crtc;
202 int i;
203
204 radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
205 if (radeon_crtc == NULL)
206 return;
207
208 drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);
209
210 drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256);
211 radeon_crtc->crtc_id = index;
c93bb85b 212 rdev->mode_info.crtcs[index] = radeon_crtc;
771fe6b9 213
785b93ef 214#if 0
771fe6b9
JG		 215 radeon_crtc->mode_set.crtc = &radeon_crtc->base;
216 radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1);
217 radeon_crtc->mode_set.num_connectors = 0;
785b93ef 218#endif
771fe6b9
JG		 219
220 for (i = 0; i < 256; i++) {
221 radeon_crtc->lut_r[i] = i << 2;
222 radeon_crtc->lut_g[i] = i << 2;
223 radeon_crtc->lut_b[i] = i << 2;
224 }
225
226 if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom))
227 radeon_atombios_init_crtc(dev, radeon_crtc);
228 else
229 radeon_legacy_init_crtc(dev, radeon_crtc);
230}
231
232static const char *encoder_names[34] = {
233 "NONE",
234 "INTERNAL_LVDS",
235 "INTERNAL_TMDS1",
236 "INTERNAL_TMDS2",
237 "INTERNAL_DAC1",
238 "INTERNAL_DAC2",
239 "INTERNAL_SDVOA",
240 "INTERNAL_SDVOB",
241 "SI170B",
242 "CH7303",
243 "CH7301",
244 "INTERNAL_DVO1",
245 "EXTERNAL_SDVOA",
246 "EXTERNAL_SDVOB",
247 "TITFP513",
248 "INTERNAL_LVTM1",
249 "VT1623",
250 "HDMI_SI1930",
251 "HDMI_INTERNAL",
252 "INTERNAL_KLDSCP_TMDS1",
253 "INTERNAL_KLDSCP_DVO1",
254 "INTERNAL_KLDSCP_DAC1",
255 "INTERNAL_KLDSCP_DAC2",
256 "SI178",
257 "MVPU_FPGA",
258 "INTERNAL_DDI",
259 "VT1625",
260 "HDMI_SI1932",
261 "DP_AN9801",
262 "DP_DP501",
263 "INTERNAL_UNIPHY",
264 "INTERNAL_KLDSCP_LVTMA",
265 "INTERNAL_UNIPHY1",
266 "INTERNAL_UNIPHY2",
267};
268
196c58d2 269static const char *connector_names[15] = {
771fe6b9
JG		 270 "Unknown",
271 "VGA",
272 "DVI-I",
273 "DVI-D",
274 "DVI-A",
275 "Composite",
276 "S-video",
277 "LVDS",
278 "Component",
279 "DIN",
280 "DisplayPort",
281 "HDMI-A",
282 "HDMI-B",
196c58d2
AD		 283 "TV",
284 "eDP",
771fe6b9
JG		 285};
286
eed45b30
AD		 287static const char *hpd_names[7] = {
288 "NONE",
289 "HPD1",
290 "HPD2",
291 "HPD3",
292 "HPD4",
293 "HPD5",
294 "HPD6",
295};
296
771fe6b9
JG		 297static void radeon_print_display_setup(struct drm_device *dev)
298{
299 struct drm_connector *connector;
300 struct radeon_connector *radeon_connector;
301 struct drm_encoder *encoder;
302 struct radeon_encoder *radeon_encoder;
303 uint32_t devices;
304 int i = 0;
305
306 DRM_INFO("Radeon Display Connectors\n");
307 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
308 radeon_connector = to_radeon_connector(connector);
309 DRM_INFO("Connector %d:\n", i);
310 DRM_INFO(" %s\n", connector_names[connector->connector_type]);
eed45b30
AD		 311 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
312 DRM_INFO(" %s\n", hpd_names[radeon_connector->hpd.hpd]);
4b9d2a21 313 if (radeon_connector->ddc_bus) {
771fe6b9
JG		 314 DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
315 radeon_connector->ddc_bus->rec.mask_clk_reg,
316 radeon_connector->ddc_bus->rec.mask_data_reg,
317 radeon_connector->ddc_bus->rec.a_clk_reg,
318 radeon_connector->ddc_bus->rec.a_data_reg,
9b9fe724
AD		 319 radeon_connector->ddc_bus->rec.en_clk_reg,
320 radeon_connector->ddc_bus->rec.en_data_reg,
321 radeon_connector->ddc_bus->rec.y_clk_reg,
322 radeon_connector->ddc_bus->rec.y_data_reg);
4b9d2a21
DA		 323 } else {
324 if (connector->connector_type == DRM_MODE_CONNECTOR_VGA ||
325 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
326 connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
327 connector->connector_type == DRM_MODE_CONNECTOR_DVIA ||
328 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
329 connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)
330 DRM_INFO(" DDC: no ddc bus - possible BIOS bug - please report to xorg-driver-ati@lists.x.org\n");
331 }
771fe6b9
JG		 332 DRM_INFO(" Encoders:\n");
333 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
334 radeon_encoder = to_radeon_encoder(encoder);
335 devices = radeon_encoder->devices & radeon_connector->devices;
336 if (devices) {
337 if (devices & ATOM_DEVICE_CRT1_SUPPORT)
338 DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]);
339 if (devices & ATOM_DEVICE_CRT2_SUPPORT)
340 DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]);
341 if (devices & ATOM_DEVICE_LCD1_SUPPORT)
342 DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]);
343 if (devices & ATOM_DEVICE_DFP1_SUPPORT)
344 DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]);
345 if (devices & ATOM_DEVICE_DFP2_SUPPORT)
346 DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]);
347 if (devices & ATOM_DEVICE_DFP3_SUPPORT)
348 DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]);
349 if (devices & ATOM_DEVICE_DFP4_SUPPORT)
350 DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]);
351 if (devices & ATOM_DEVICE_DFP5_SUPPORT)
352 DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]);
353 if (devices & ATOM_DEVICE_TV1_SUPPORT)
354 DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]);
355 if (devices & ATOM_DEVICE_CV_SUPPORT)
356 DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]);
357 }
358 }
359 i++;
360 }
361}
362
4ce001ab 363static bool radeon_setup_enc_conn(struct drm_device *dev)
771fe6b9
JG		 364{
365 struct radeon_device *rdev = dev->dev_private;
366 struct drm_connector *drm_connector;
367 bool ret = false;
368
369 if (rdev->bios) {
370 if (rdev->is_atom_bios) {
a084e6ee
AD		 371 ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
372 if (ret == false)
771fe6b9 373 ret = radeon_get_atom_connector_info_from_object_table(dev);
b9597a1c 374 } else {
771fe6b9 375 ret = radeon_get_legacy_connector_info_from_bios(dev);
b9597a1c
AD		 376 if (ret == false)
377 ret = radeon_get_legacy_connector_info_from_table(dev);
378 }
771fe6b9
JG		 379 } else {
380 if (!ASIC_IS_AVIVO(rdev))
381 ret = radeon_get_legacy_connector_info_from_table(dev);
382 }
383 if (ret) {
1f3b6a45 384 radeon_setup_encoder_clones(dev);
771fe6b9
JG		 385 radeon_print_display_setup(dev);
386 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head)
387 radeon_ddc_dump(drm_connector);
388 }
389
390 return ret;
391}
392
393int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
394{
3c537889
AD		 395 struct drm_device *dev = radeon_connector->base.dev;
396 struct radeon_device *rdev = dev->dev_private;
771fe6b9
JG		 397 int ret = 0;
398
196c58d2
AD		 399 if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
400 (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) {
746c1aa4 401 struct radeon_connector_atom_dig *dig = radeon_connector->con_priv;
7a15cbd4
DA		 402 if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT ||
403 dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus)
9fa05c98 404 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter);
746c1aa4 405 }
771fe6b9
JG		 406 if (!radeon_connector->ddc_bus)
407 return -1;
4ce001ab 408 if (!radeon_connector->edid) {
0294cf4f 409 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
0294cf4f 410 }
3c537889
AD		 411 /* some servers provide a hardcoded edid in rom for KVMs */
412 if (!radeon_connector->edid)
413 radeon_connector->edid = radeon_combios_get_hardcoded_edid(rdev);
0294cf4f
AD		 414 if (radeon_connector->edid) {
415 drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
416 ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
771fe6b9
JG		 417 return ret;
418 }
419 drm_mode_connector_update_edid_property(&radeon_connector->base, NULL);
42dea5dd 420 return 0;
771fe6b9
JG		 421}
422
423static int radeon_ddc_dump(struct drm_connector *connector)
424{
425 struct edid *edid;
426 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
427 int ret = 0;
428
429 if (!radeon_connector->ddc_bus)
430 return -1;
771fe6b9 431 edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter);
771fe6b9
JG		 432 if (edid) {
433 kfree(edid);
434 }
435 return ret;
436}
437
438static inline uint32_t radeon_div(uint64_t n, uint32_t d)
439{
440 uint64_t mod;
441
442 n += d / 2;
443
444 mod = do_div(n, d);
445 return n;
446}
447
7c27f87d
AD		 448static void radeon_compute_pll_legacy(struct radeon_pll *pll,
449 uint64_t freq,
450 uint32_t *dot_clock_p,
451 uint32_t *fb_div_p,
452 uint32_t *frac_fb_div_p,
453 uint32_t *ref_div_p,
454 uint32_t *post_div_p)
771fe6b9
JG		 455{
456 uint32_t min_ref_div = pll->min_ref_div;
457 uint32_t max_ref_div = pll->max_ref_div;
fc10332b
AD		 458 uint32_t min_post_div = pll->min_post_div;
459 uint32_t max_post_div = pll->max_post_div;
771fe6b9
JG		 460 uint32_t min_fractional_feed_div = 0;
461 uint32_t max_fractional_feed_div = 0;
462 uint32_t best_vco = pll->best_vco;
463 uint32_t best_post_div = 1;
464 uint32_t best_ref_div = 1;
465 uint32_t best_feedback_div = 1;
466 uint32_t best_frac_feedback_div = 0;
467 uint32_t best_freq = -1;
468 uint32_t best_error = 0xffffffff;
469 uint32_t best_vco_diff = 1;
470 uint32_t post_div;
86cb2bbf 471 u32 pll_out_min, pll_out_max;
771fe6b9
JG		 472
473 DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div);
474 freq = freq * 1000;
475
86cb2bbf
AD		 476 if (pll->flags & RADEON_PLL_IS_LCD) {
477 pll_out_min = pll->lcd_pll_out_min;
478 pll_out_max = pll->lcd_pll_out_max;
479 } else {
480 pll_out_min = pll->pll_out_min;
481 pll_out_max = pll->pll_out_max;
482 }
483
fc10332b 484 if (pll->flags & RADEON_PLL_USE_REF_DIV)
771fe6b9
JG		 485 min_ref_div = max_ref_div = pll->reference_div;
486 else {
487 while (min_ref_div < max_ref_div-1) {
488 uint32_t mid = (min_ref_div + max_ref_div) / 2;
489 uint32_t pll_in = pll->reference_freq / mid;
490 if (pll_in < pll->pll_in_min)
491 max_ref_div = mid;
492 else if (pll_in > pll->pll_in_max)
493 min_ref_div = mid;
494 else
495 break;
496 }
497 }
498
fc10332b
AD		 499 if (pll->flags & RADEON_PLL_USE_POST_DIV)
500 min_post_div = max_post_div = pll->post_div;
501
502 if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
771fe6b9
JG		 503 min_fractional_feed_div = pll->min_frac_feedback_div;
504 max_fractional_feed_div = pll->max_frac_feedback_div;
505 }
506
fc10332b 507 for (post_div = min_post_div; post_div <= max_post_div; ++post_div) {
771fe6b9
JG		 508 uint32_t ref_div;
509
fc10332b 510 if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
771fe6b9
JG		 511 continue;
512
513 /* legacy radeons only have a few post_divs */
fc10332b 514 if (pll->flags & RADEON_PLL_LEGACY) {
771fe6b9
JG		 515 if ((post_div == 5) ||
516 (post_div == 7) ||
517 (post_div == 9) ||
518 (post_div == 10) ||
519 (post_div == 11) ||
520 (post_div == 13) ||
521 (post_div == 14) ||
522 (post_div == 15))
523 continue;
524 }
525
526 for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) {
527 uint32_t feedback_div, current_freq = 0, error, vco_diff;
528 uint32_t pll_in = pll->reference_freq / ref_div;
529 uint32_t min_feed_div = pll->min_feedback_div;
530 uint32_t max_feed_div = pll->max_feedback_div + 1;
531
532 if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max)
533 continue;
534
535 while (min_feed_div < max_feed_div) {
536 uint32_t vco;
537 uint32_t min_frac_feed_div = min_fractional_feed_div;
538 uint32_t max_frac_feed_div = max_fractional_feed_div + 1;
539 uint32_t frac_feedback_div;
540 uint64_t tmp;
541
542 feedback_div = (min_feed_div + max_feed_div) / 2;
543
544 tmp = (uint64_t)pll->reference_freq * feedback_div;
545 vco = radeon_div(tmp, ref_div);
546
86cb2bbf 547 if (vco < pll_out_min) {
771fe6b9
JG		 548 min_feed_div = feedback_div + 1;
549 continue;
86cb2bbf 550 } else if (vco > pll_out_max) {
771fe6b9
JG		 551 max_feed_div = feedback_div;
552 continue;
553 }
554
555 while (min_frac_feed_div < max_frac_feed_div) {
556 frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2;
557 tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div;
558 tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div;
559 current_freq = radeon_div(tmp, ref_div * post_div);
560
fc10332b 561 if (pll->flags & RADEON_PLL_PREFER_CLOSEST_LOWER) {
d0e275a9
AD		 562 error = freq - current_freq;
563 error = error < 0 ? 0xffffffff : error;
564 } else
565 error = abs(current_freq - freq);
771fe6b9
JG		 566 vco_diff = abs(vco - best_vco);
567
568 if ((best_vco == 0 && error < best_error) ||
569 (best_vco != 0 &&
570 (error < best_error - 100 ||
571 (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) {
572 best_post_div = post_div;
573 best_ref_div = ref_div;
574 best_feedback_div = feedback_div;
575 best_frac_feedback_div = frac_feedback_div;
576 best_freq = current_freq;
577 best_error = error;
578 best_vco_diff = vco_diff;
579 } else if (current_freq == freq) {
580 if (best_freq == -1) {
581 best_post_div = post_div;
582 best_ref_div = ref_div;
583 best_feedback_div = feedback_div;
584 best_frac_feedback_div = frac_feedback_div;
585 best_freq = current_freq;
586 best_error = error;
587 best_vco_diff = vco_diff;
fc10332b
AD		 588 } else if (((pll->flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) ||
589 ((pll->flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) ||
590 ((pll->flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) ||
591 ((pll->flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) ||
592 ((pll->flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) ||
593 ((pll->flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) {
771fe6b9
JG		 594 best_post_div = post_div;
595 best_ref_div = ref_div;
596 best_feedback_div = feedback_div;
597 best_frac_feedback_div = frac_feedback_div;
598 best_freq = current_freq;
599 best_error = error;
600 best_vco_diff = vco_diff;
601 }
602 }
603 if (current_freq < freq)
604 min_frac_feed_div = frac_feedback_div + 1;
605 else
606 max_frac_feed_div = frac_feedback_div;
607 }
608 if (current_freq < freq)
609 min_feed_div = feedback_div + 1;
610 else
611 max_feed_div = feedback_div;
612 }
613 }
614 }
615
616 *dot_clock_p = best_freq / 10000;
617 *fb_div_p = best_feedback_div;
618 *frac_fb_div_p = best_frac_feedback_div;
619 *ref_div_p = best_ref_div;
620 *post_div_p = best_post_div;
621}
622
383be5d1
AD		 623static bool
624calc_fb_div(struct radeon_pll *pll,
625 uint32_t freq,
626 uint32_t post_div,
627 uint32_t ref_div,
628 uint32_t *fb_div,
629 uint32_t *fb_div_frac)
b27b6375 630{
383be5d1
AD		 631 fixed20_12 feedback_divider, a, b;
632 u32 vco_freq;
b27b6375 633
383be5d1
AD		 634 vco_freq = freq * post_div;
635 /* feedback_divider = vco_freq * ref_div / pll->reference_freq; */
68adac5e
BS		 636 a.full = dfixed_const(pll->reference_freq);
637 feedback_divider.full = dfixed_const(vco_freq);
638 feedback_divider.full = dfixed_div(feedback_divider, a);
639 a.full = dfixed_const(ref_div);
640 feedback_divider.full = dfixed_mul(feedback_divider, a);
b27b6375 641
383be5d1
AD		 642 if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
643 /* feedback_divider = floor((feedback_divider * 10.0) + 0.5) * 0.1; */
68adac5e
BS		 644 a.full = dfixed_const(10);
645 feedback_divider.full = dfixed_mul(feedback_divider, a);
646 feedback_divider.full += dfixed_const_half(0);
647 feedback_divider.full = dfixed_floor(feedback_divider);
648 feedback_divider.full = dfixed_div(feedback_divider, a);
383be5d1
AD		 649
650 /* *fb_div = floor(feedback_divider); */
68adac5e
BS		 651 a.full = dfixed_floor(feedback_divider);
652 *fb_div = dfixed_trunc(a);
383be5d1 653 /* *fb_div_frac = fmod(feedback_divider, 1.0) * 10.0; */
68adac5e
BS		 654 a.full = dfixed_const(10);
655 b.full = dfixed_mul(feedback_divider, a);
383be5d1 656
68adac5e
BS		 657 feedback_divider.full = dfixed_floor(feedback_divider);
658 feedback_divider.full = dfixed_mul(feedback_divider, a);
383be5d1 659 feedback_divider.full = b.full - feedback_divider.full;
68adac5e 660 *fb_div_frac = dfixed_trunc(feedback_divider);
383be5d1
AD		 661 } else {
662 /* *fb_div = floor(feedback_divider + 0.5); */
68adac5e
BS		 663 feedback_divider.full += dfixed_const_half(0);
664 feedback_divider.full = dfixed_floor(feedback_divider);
b27b6375 665
68adac5e 666 *fb_div = dfixed_trunc(feedback_divider);
383be5d1
AD		 667 *fb_div_frac = 0;
668 }
b27b6375 669
383be5d1
AD		 670 if (((*fb_div) < pll->min_feedback_div) || ((*fb_div) > pll->max_feedback_div))
671 return false;
672 else
673 return true;
674}
b27b6375 675
383be5d1
AD		 676static bool
677calc_fb_ref_div(struct radeon_pll *pll,
678 uint32_t freq,
679 uint32_t post_div,
680 uint32_t *fb_div,
681 uint32_t *fb_div_frac,
682 uint32_t *ref_div)
683{
684 fixed20_12 ffreq, max_error, error, pll_out, a;
685 u32 vco;
86cb2bbf
AD		 686 u32 pll_out_min, pll_out_max;
687
688 if (pll->flags & RADEON_PLL_IS_LCD) {
689 pll_out_min = pll->lcd_pll_out_min;
690 pll_out_max = pll->lcd_pll_out_max;
691 } else {
692 pll_out_min = pll->pll_out_min;
693 pll_out_max = pll->pll_out_max;
694 }
b27b6375 695
68adac5e 696 ffreq.full = dfixed_const(freq);
383be5d1 697 /* max_error = ffreq * 0.0025; */
68adac5e
BS		 698 a.full = dfixed_const(400);
699 max_error.full = dfixed_div(ffreq, a);
b27b6375 700
383be5d1
AD		 701 for ((*ref_div) = pll->min_ref_div; (*ref_div) < pll->max_ref_div; ++(*ref_div)) {
702 if (calc_fb_div(pll, freq, post_div, (*ref_div), fb_div, fb_div_frac)) {
703 vco = pll->reference_freq * (((*fb_div) * 10) + (*fb_div_frac));
704 vco = vco / ((*ref_div) * 10);
b27b6375 705
86cb2bbf 706 if ((vco < pll_out_min) || (vco > pll_out_max))
383be5d1 707 continue;
b27b6375 708
383be5d1 709 /* pll_out = vco / post_div; */
68adac5e
BS		 710 a.full = dfixed_const(post_div);
711 pll_out.full = dfixed_const(vco);
712 pll_out.full = dfixed_div(pll_out, a);
b27b6375 713
383be5d1
AD		 714 if (pll_out.full >= ffreq.full) {
715 error.full = pll_out.full - ffreq.full;
716 if (error.full <= max_error.full)
717 return true;
718 }
719 }
720 }
721 return false;
722}
b27b6375 723
383be5d1
AD		 724static void radeon_compute_pll_new(struct radeon_pll *pll,
725 uint64_t freq,
726 uint32_t *dot_clock_p,
727 uint32_t *fb_div_p,
728 uint32_t *frac_fb_div_p,
729 uint32_t *ref_div_p,
730 uint32_t *post_div_p)
731{
732 u32 fb_div = 0, fb_div_frac = 0, post_div = 0, ref_div = 0;
733 u32 best_freq = 0, vco_frequency;
86cb2bbf
AD		 734 u32 pll_out_min, pll_out_max;
735
736 if (pll->flags & RADEON_PLL_IS_LCD) {
737 pll_out_min = pll->lcd_pll_out_min;
738 pll_out_max = pll->lcd_pll_out_max;
739 } else {
740 pll_out_min = pll->pll_out_min;
741 pll_out_max = pll->pll_out_max;
742 }
b27b6375 743
383be5d1
AD		 744 /* freq = freq / 10; */
745 do_div(freq, 10);
b27b6375 746
383be5d1
AD		 747 if (pll->flags & RADEON_PLL_USE_POST_DIV) {
748 post_div = pll->post_div;
749 if ((post_div < pll->min_post_div) || (post_div > pll->max_post_div))
750 goto done;
751
752 vco_frequency = freq * post_div;
86cb2bbf 753 if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
383be5d1
AD		 754 goto done;
755
756 if (pll->flags & RADEON_PLL_USE_REF_DIV) {
757 ref_div = pll->reference_div;
758 if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
759 goto done;
760 if (!calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
761 goto done;
762 }
763 } else {
764 for (post_div = pll->max_post_div; post_div >= pll->min_post_div; --post_div) {
765 if (pll->flags & RADEON_PLL_LEGACY) {
766 if ((post_div == 5) ||
767 (post_div == 7) ||
768 (post_div == 9) ||
769 (post_div == 10) ||
770 (post_div == 11))
771 continue;
772 }
773
774 if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
775 continue;
776
777 vco_frequency = freq * post_div;
86cb2bbf 778 if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
383be5d1
AD		 779 continue;
780 if (pll->flags & RADEON_PLL_USE_REF_DIV) {
781 ref_div = pll->reference_div;
782 if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
783 goto done;
784 if (calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
785 break;
786 } else {
787 if (calc_fb_ref_div(pll, freq, post_div, &fb_div, &fb_div_frac, &ref_div))
788 break;
789 }
b27b6375
AD		 790 }
791 }
792
383be5d1
AD		 793 best_freq = pll->reference_freq * 10 * fb_div;
794 best_freq += pll->reference_freq * fb_div_frac;
795 best_freq = best_freq / (ref_div * post_div);
b27b6375 796
383be5d1
AD		 797done:
798 if (best_freq == 0)
799 DRM_ERROR("Couldn't find valid PLL dividers\n");
b27b6375 800
383be5d1
AD		 801 *dot_clock_p = best_freq / 10;
802 *fb_div_p = fb_div;
803 *frac_fb_div_p = fb_div_frac;
804 *ref_div_p = ref_div;
805 *post_div_p = post_div;
b27b6375 806
383be5d1 807 DRM_DEBUG("%u %d.%d, %d, %d\n", *dot_clock_p, *fb_div_p, *frac_fb_div_p, *ref_div_p, *post_div_p);
b27b6375
AD		 808}
809
7c27f87d
AD		 810void radeon_compute_pll(struct radeon_pll *pll,
811 uint64_t freq,
812 uint32_t *dot_clock_p,
813 uint32_t *fb_div_p,
814 uint32_t *frac_fb_div_p,
815 uint32_t *ref_div_p,
816 uint32_t *post_div_p)
817{
818 switch (pll->algo) {
383be5d1
AD		 819 case PLL_ALGO_NEW:
820 radeon_compute_pll_new(pll, freq, dot_clock_p, fb_div_p,
821 frac_fb_div_p, ref_div_p, post_div_p);
7c27f87d
AD		 822 break;
823 case PLL_ALGO_LEGACY:
824 default:
825 radeon_compute_pll_legacy(pll, freq, dot_clock_p, fb_div_p,
826 frac_fb_div_p, ref_div_p, post_div_p);
827 break;
828 }
b27b6375
AD		 829}
830
771fe6b9
JG		 831static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
832{
833 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
771fe6b9 834
bc9025bd
LB		 835 if (radeon_fb->obj)
836 drm_gem_object_unreference_unlocked(radeon_fb->obj);
771fe6b9
JG		 837 drm_framebuffer_cleanup(fb);
838 kfree(radeon_fb);
839}
840
841static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb,
842 struct drm_file *file_priv,
843 unsigned int *handle)
844{
845 struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
846
847 return drm_gem_handle_create(file_priv, radeon_fb->obj, handle);
848}
849
850static const struct drm_framebuffer_funcs radeon_fb_funcs = {
851 .destroy = radeon_user_framebuffer_destroy,
852 .create_handle = radeon_user_framebuffer_create_handle,
853};
854
38651674
DA		 855void
856radeon_framebuffer_init(struct drm_device *dev,
857 struct radeon_framebuffer *rfb,
858 struct drm_mode_fb_cmd *mode_cmd,
859 struct drm_gem_object *obj)
771fe6b9 860{
38651674
DA		 861 rfb->obj = obj;
862 drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs);
863 drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd);
771fe6b9
JG		 864}
865
866static struct drm_framebuffer *
867radeon_user_framebuffer_create(struct drm_device *dev,
868 struct drm_file *file_priv,
869 struct drm_mode_fb_cmd *mode_cmd)
870{
871 struct drm_gem_object *obj;
38651674 872 struct radeon_framebuffer *radeon_fb;
771fe6b9
JG		 873
874 obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle);
7e71c9e2
JG		 875 if (obj == NULL) {
876 dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, "
877 "can't create framebuffer\n", mode_cmd->handle);
878 return NULL;
879 }
38651674
DA		 880
881 radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL);
882 if (radeon_fb == NULL) {
883 return NULL;
884 }
885
886 radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj);
887
888 return &radeon_fb->base;
771fe6b9
JG		 889}
890
eb1f8e4f
DA		 891static void radeon_output_poll_changed(struct drm_device *dev)
892{
893 struct radeon_device *rdev = dev->dev_private;
894 radeon_fb_output_poll_changed(rdev);
895}
896
771fe6b9
JG		 897static const struct drm_mode_config_funcs radeon_mode_funcs = {
898 .fb_create = radeon_user_framebuffer_create,
eb1f8e4f 899 .output_poll_changed = radeon_output_poll_changed
771fe6b9
JG		 900};
901
445282db
DA		 902struct drm_prop_enum_list {
903 int type;
904 char *name;
905};
906
907static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] =
908{ { 0, "driver" },
909 { 1, "bios" },
910};
911
912static struct drm_prop_enum_list radeon_tv_std_enum_list[] =
913{ { TV_STD_NTSC, "ntsc" },
914 { TV_STD_PAL, "pal" },
915 { TV_STD_PAL_M, "pal-m" },
916 { TV_STD_PAL_60, "pal-60" },
917 { TV_STD_NTSC_J, "ntsc-j" },
918 { TV_STD_SCART_PAL, "scart-pal" },
919 { TV_STD_PAL_CN, "pal-cn" },
920 { TV_STD_SECAM, "secam" },
921};
922
d79766fa 923static int radeon_modeset_create_props(struct radeon_device *rdev)
445282db
DA		 924{
925 int i, sz;
926
927 if (rdev->is_atom_bios) {
928 rdev->mode_info.coherent_mode_property =
929 drm_property_create(rdev->ddev,
930 DRM_MODE_PROP_RANGE,
931 "coherent", 2);
932 if (!rdev->mode_info.coherent_mode_property)
933 return -ENOMEM;
934
935 rdev->mode_info.coherent_mode_property->values[0] = 0;
390d0bbe 936 rdev->mode_info.coherent_mode_property->values[1] = 1;
445282db
DA		 937 }
938
939 if (!ASIC_IS_AVIVO(rdev)) {
940 sz = ARRAY_SIZE(radeon_tmds_pll_enum_list);
941 rdev->mode_info.tmds_pll_property =
942 drm_property_create(rdev->ddev,
943 DRM_MODE_PROP_ENUM,
944 "tmds_pll", sz);
945 for (i = 0; i < sz; i++) {
946 drm_property_add_enum(rdev->mode_info.tmds_pll_property,
947 i,
948 radeon_tmds_pll_enum_list[i].type,
949 radeon_tmds_pll_enum_list[i].name);
950 }
951 }
952
953 rdev->mode_info.load_detect_property =
954 drm_property_create(rdev->ddev,
955 DRM_MODE_PROP_RANGE,
956 "load detection", 2);
957 if (!rdev->mode_info.load_detect_property)
958 return -ENOMEM;
959 rdev->mode_info.load_detect_property->values[0] = 0;
390d0bbe 960 rdev->mode_info.load_detect_property->values[1] = 1;
445282db
DA		 961
962 drm_mode_create_scaling_mode_property(rdev->ddev);
963
964 sz = ARRAY_SIZE(radeon_tv_std_enum_list);
965 rdev->mode_info.tv_std_property =
966 drm_property_create(rdev->ddev,
967 DRM_MODE_PROP_ENUM,
968 "tv standard", sz);
969 for (i = 0; i < sz; i++) {
970 drm_property_add_enum(rdev->mode_info.tv_std_property,
971 i,
972 radeon_tv_std_enum_list[i].type,
973 radeon_tv_std_enum_list[i].name);
974 }
975
976 return 0;
977}
978
f46c0120
AD		 979void radeon_update_display_priority(struct radeon_device *rdev)
980{
981 /* adjustment options for the display watermarks */
982 if ((radeon_disp_priority == 0) || (radeon_disp_priority > 2)) {
983 /* set display priority to high for r3xx, rv515 chips
984 * this avoids flickering due to underflow to the
985 * display controllers during heavy acceleration.
45737447
AD		 986 * Don't force high on rs4xx igp chips as it seems to
987 * affect the sound card. See kernel bug 15982.
f46c0120 988 */
45737447
AD		 989 if ((ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515)) &&
990 !(rdev->flags & RADEON_IS_IGP))
f46c0120
AD		 991 rdev->disp_priority = 2;
992 else
993 rdev->disp_priority = 0;
994 } else
995 rdev->disp_priority = radeon_disp_priority;
996
997}
998
771fe6b9
JG		 999int radeon_modeset_init(struct radeon_device *rdev)
1000{
18917b60 1001 int i;
771fe6b9
JG		 1002 int ret;
1003
1004 drm_mode_config_init(rdev->ddev);
1005 rdev->mode_info.mode_config_initialized = true;
1006
1007 rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs;
1008
1009 if (ASIC_IS_AVIVO(rdev)) {
1010 rdev->ddev->mode_config.max_width = 8192;
1011 rdev->ddev->mode_config.max_height = 8192;
1012 } else {
1013 rdev->ddev->mode_config.max_width = 4096;
1014 rdev->ddev->mode_config.max_height = 4096;
1015 }
1016
1017 rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
1018
445282db
DA		 1019 ret = radeon_modeset_create_props(rdev);
1020 if (ret) {
1021 return ret;
1022 }
dfee5614 1023
3c537889
AD		 1024 /* check combios for a valid hardcoded EDID - Sun servers */
1025 if (!rdev->is_atom_bios) {
1026 /* check for hardcoded EDID in BIOS */
1027 radeon_combios_check_hardcoded_edid(rdev);
1028 }
1029
dfee5614 1030 /* allocate crtcs */
18917b60 1031 for (i = 0; i < rdev->num_crtc; i++) {
771fe6b9
JG		 1032 radeon_crtc_init(rdev->ddev, i);
1033 }
1034
1035 /* okay we should have all the bios connectors */
1036 ret = radeon_setup_enc_conn(rdev->ddev);
1037 if (!ret) {
1038 return ret;
1039 }
d4877cf2
AD		 1040 /* initialize hpd */
1041 radeon_hpd_init(rdev);
38651674 1042
ce8f5370
AD		 1043 /* Initialize power management */
1044 radeon_pm_init(rdev);
1045
38651674 1046 radeon_fbdev_init(rdev);
eb1f8e4f
DA		 1047 drm_kms_helper_poll_init(rdev->ddev);
1048
771fe6b9
JG		 1049 return 0;
1050}
1051
1052void radeon_modeset_fini(struct radeon_device *rdev)
1053{
38651674 1054 radeon_fbdev_fini(rdev);
3c537889 1055 kfree(rdev->mode_info.bios_hardcoded_edid);
ce8f5370 1056 radeon_pm_fini(rdev);
3c537889 1057
771fe6b9 1058 if (rdev->mode_info.mode_config_initialized) {
eb1f8e4f 1059 drm_kms_helper_poll_fini(rdev->ddev);
d4877cf2 1060 radeon_hpd_fini(rdev);
771fe6b9
JG		 1061 drm_mode_config_cleanup(rdev->ddev);
1062 rdev->mode_info.mode_config_initialized = false;
1063 }
1064}
1065
c93bb85b
JG		 1066bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
1067 struct drm_display_mode *mode,
1068 struct drm_display_mode *adjusted_mode)
771fe6b9 1069{
c93bb85b
JG		 1070 struct drm_device *dev = crtc->dev;
1071 struct drm_encoder *encoder;
1072 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1073 struct radeon_encoder *radeon_encoder;
1074 bool first = true;
771fe6b9 1075
c93bb85b
JG		 1076 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1077 radeon_encoder = to_radeon_encoder(encoder);
1078 if (encoder->crtc != crtc)
1079 continue;
1080 if (first) {
80297e87
AD		 1081 /* set scaling */
1082 if (radeon_encoder->rmx_type == RMX_OFF)
1083 radeon_crtc->rmx_type = RMX_OFF;
1084 else if (mode->hdisplay < radeon_encoder->native_mode.hdisplay ||
1085 mode->vdisplay < radeon_encoder->native_mode.vdisplay)
1086 radeon_crtc->rmx_type = radeon_encoder->rmx_type;
1087 else
1088 radeon_crtc->rmx_type = RMX_OFF;
1089 /* copy native mode */
c93bb85b 1090 memcpy(&radeon_crtc->native_mode,
80297e87 1091 &radeon_encoder->native_mode,
de2103e4 1092 sizeof(struct drm_display_mode));
c93bb85b
JG		 1093 first = false;
1094 } else {
1095 if (radeon_crtc->rmx_type != radeon_encoder->rmx_type) {
1096 /* WARNING: Right now this can't happen but
1097 * in the future we need to check that scaling
1098 * are consistent accross different encoder
1099 * (ie all encoder can work with the same
1100 * scaling).
1101 */
1102 DRM_ERROR("Scaling not consistent accross encoder.\n");
1103 return false;
1104 }
771fe6b9
JG		 1105 }
1106 }
c93bb85b
JG		 1107 if (radeon_crtc->rmx_type != RMX_OFF) {
1108 fixed20_12 a, b;
68adac5e
BS		 1109 a.full = dfixed_const(crtc->mode.vdisplay);
1110 b.full = dfixed_const(radeon_crtc->native_mode.hdisplay);
1111 radeon_crtc->vsc.full = dfixed_div(a, b);
1112 a.full = dfixed_const(crtc->mode.hdisplay);
1113 b.full = dfixed_const(radeon_crtc->native_mode.vdisplay);
1114 radeon_crtc->hsc.full = dfixed_div(a, b);
771fe6b9 1115 } else {
68adac5e
BS		 1116 radeon_crtc->vsc.full = dfixed_const(1);
1117 radeon_crtc->hsc.full = dfixed_const(1);
771fe6b9 1118 }
c93bb85b 1119 return true;
771fe6b9 1120}
Linux kernel - Deliverables
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